Publicaties

Low-mass X-ray binaries (LMXBs) occasionally show signs of outflowing material from the accretion disk. Studying these outflows can inform the understanding of the geometry of the systems, as well as…

Authors: Moutard, Corrales, Tomaru, Done, Neilsen, Behar, Costantini, Díaz-Trigo, Yamada

Bibcode: 2026ApJ...996...34M

DOI: 10.3847/1538-4357/ae260c

DOI 2: 10.48550/arXiv.2511.21501

Lees meer

We present the high-resolution X-ray spectrum of the Z-source Cygnus X-2, obtained with the X-Ray Imaging and Spectroscopy Mission (XRISM). The observations have enabled a precise characterization of the Fe─K…

Authors: Mizumoto, Takahashi, Behar, Boissay-Malaquin, Corrales, Costantini, Diaz-Trigo, Miller, Miller

Bibcode: 2026ApJ...996...49M

DOI: 10.3847/1538-4357/ae267b

DOI 2: 10.48550/arXiv.2512.00589

Lees meer

We present high-resolution X-ray spectroscopy of the merging galaxy cluster A3667 with XRISM/Resolve. Two observations, targeting the cluster X-ray core and the prototypical cold front, were performed with exposures of…

Authors: Omiya, Ichinohe, Nakazawa, Awaki, Eckert, Fujita, Hatsukade, Markevitch, Mernier, Mitsuishi, Ota, Simionescu, Uchida, Ueda, Zhuravleva, Zuhone

Bibcode: 2026ApJ...996L..15O

DOI: 10.3847/2041-8213/ae2a28

Lees meer

We provide a detailed characterization of the planetary system orbiting HD 85426 (TOI-1774). This bright G-type star ($M_{ast }$: 0.99 $text{M}_{odot }$; $R_{ast }$: 1.13 $text{R}_{odot }$; age: 7.4 Gyr;…

Authors: Lienhard, Mortier, Cameron, Cretignier, Borsato, John, Egger, Stalport, Wilson, Deline, Fortier, Latham, Malavolta, Maxted, Sousa, Grimm, Buchhave, Alibert, Lakeland, Dumusque, Cabrera, Naponiello, Correia, Rescigno, Fossati, Sozzetti, Alonso, Bárczy, Barrado, Barros,…

Bibcode: 2026MNRAS.545S1934L

DOI: 10.1093/mnras/staf1934

Lees meer

Aims. We update the status of the spectropolarimetric campaign dedicated to characterise the magnetic field properties of a sample of known exoplanet-hosting stars included in the current target list of…

Authors: Bellotti, Lavail, Evensberget, Vidotto, Danielski, Edwards, Hussain, Lüftinger, Morin, Petit, Boro Saikia, Micela, López Ariste

Bibcode: 2026A&A...705A..40B

DOI: 10.1051/0004-6361/202557581

Lees meer

We present the first high-resolution X-ray spectral analysis of Cygnus X-1 using XRISM. The observation wa3s carried out from 2024 April 7 to 10, covering the orbital phase range 0.65─0.17…

Authors: Yamada, Hell, Costantini, Adegoke, Brumback, Draghis, Ebisawa, Garcia, Hodges-Kluck, Kitamoto, Kobayashi, Kohmura, Kubota, Miller, Mizumoto, Mizuno, Ninoyu, Takahashi, Uchida, Yamaoka, Zhang

Bibcode: 2025PASJ...77.1210Y

DOI: 10.1093/pasj/psaf104

Lees meer

We present results from XRISM/Resolve observations of the core of the galaxy cluster Abell 2319, focusing on its kinematic properties. The intracluster medium (ICM) exhibits temperatures of approximately 8 keV…

Authors: Xrism Collaboration, Audard, Awaki, Ballhausen, Bamba, Behar, Boissay-Malaquin, Brenneman, Brown, Corrales, Costantini, Cumbee, Diaz Trigo, Done, Dotani, Ebisawa, Eckart, Eckert, Eguchi, Enoto, Ezoe, Foster, Fujimoto, Fujita, Fukazawa, Fukushima, Furuzawa, Gallo,…

Bibcode: 2025PASJ...77.1278X

DOI: 10.1093/pasj/psaf109

Lees meer

Aims. We aim to refine the fundamental parameters of the TOI-2141 planetary system, which includes a transiting sub-Neptune orbiting a Sun-like star on a relatively long orbit of 18.26 days,…

Authors: Luque, Lam, Cabrera, Bonfanti, Eschen, Olofsson, Benz, Billot, Brandeker, Correia, Fossati, Gandolfi, Osborn, Pezzotti, Sousa, Wilson, Wolf, Alibert, Alonso, Asquier, Bárczy, Barrado, Barros, Baumjohann, Biondi, Borsato, Broeg, Collier Cameron, Csizmadia,…

Bibcode: 2025A&A...704A.174L

DOI: 10.1051/0004-6361/202556515

Lees meer

Powerful ionized accretion disk winds are often observed during episodic outbursts in Galactic black hole transients. Among those X-ray absorbers, Fe XXVI doublet structure (Lyα1+Lyα2 with ∼20 eV apart) has…

Authors: Fukumura, Ogawa, Tanimoto, Tombesi, Luminari, Parra, Shidatsu, Gu, Behar

Bibcode: 2025ApJ...994..218F

DOI: 10.3847/1538-4357/ae19e2

DOI 2: 10.48550/arXiv.2510.19539

Lees meer

We present new Rosseland and Planck mean opacity tables relevant to the shallow interiors and atmospheres of giant planets. The tables span metallicities from 0.31 to 50 times solar, temperatures…

Authors: Siebenaler, Miguel

Bibcode: 2025MNRAS.tmp.2075S

DOI: 10.1093/mnras/staf2205

Lees meer

Eclipse mapping is a powerful tool for measuring 3D profiles of exoplanet atmospheres. To date, only JWST has been capable of widely applying this technique, but as a general observatory,…

Authors: Valentine, Wakeford, Hammond, Challener, Edwards, Lüftinger, Günther

Bibcode: 2025MNRAS.544.3647V

DOI: 10.1093/mnras/staf1721

DOI 2: 10.48550/arXiv.2510.03147

Lees meer

A crucial chemical link between stars and their orbiting exoplanets is thought to exist. If universal, this connection could affect the formation and evolution of all planets. Therefore, this potential…

Authors: Eschen, Wilson, Bonfanti, Persson, Sousa, Lendl, Heitzmann, Simon, Olofsson, Castro-González, Egger, Fossati, Mustill, Osborn, Vivien, Alibert, Alonso, Bárczy, Barrado, Barros, Baumjohann, Benz, Billot, Borsato, Brandeker, Broeg, Buder, Caldwell, Cameron, Correia,…

Bibcode: 2025MNRAS.544.2614E

DOI: 10.1093/mnras/staf1806

DOI 2: 10.48550/arXiv.2510.12783

Lees meer

GRS 1915+105 was the stellar-mass black hole that best reproduced key phenomena that are also observed in type 1 active galactic nuclei (AGNs). In recent years, however, it has evolved…

Authors: Miller, Gu, Raymond, Brenneman, Gallo, Gandhi, Kallman, Kobayashi, Mao, Rogantini, Shidatsu, Ueda, Xiang, Zoghbi

Bibcode: 2025ApJ...995L..14M

DOI: 10.3847/2041-8213/ae2123

DOI 2: 10.48550/arXiv.2510.25089

Lees meer

We present the X-ray analysis of seven local compact elliptical galaxies (cEGs), selected for their morphological resemblance to high-redshift red nuggets. As likely descendants of the red nugget population, cEGs…

Authors: Kovács, Werner, Bogdán, de Plaa

Bibcode: 2025A&A...704A.196K

DOI: 10.1051/0004-6361/202555575

Lees meer

Magnetic fields influence the structure and evolution of protostellar systems; thus, understanding their role is essential for probing the earliest stages of star formation. We present Atacama Large Millimeter/submillimeter Array…

Authors: Choi, Kwon, Looney, Stephens, Li, van der Tak, Tobin

Bibcode: 2025ApJ...993..200C

DOI: 10.3847/1538-4357/ae0710

DOI 2: 10.48550/arXiv.2509.25764

Lees meer

Context. The chemical composition of warm gas giant exoplanet atmospheres (with Teq < 1000 K) is not well known due to the lack of observational constraints. Aims. HAT-P-12 b is…

Authors: Crouzet, Edwards, Konings, Bouwman, Min, Lagage, Waters, Pye, Heinke, Guedel, Henning, Vandenbussche, Absil, Argyriou, Barrado, Boccaletti, Cossou, Coulais, Decin, Gastaud, Glasse, Glauser, Lahuis, Olofsson, Patapis, Rouan, Royer, Whiteford, Colina, Östlin,…

Bibcode: 2025A&A...703A.264C

DOI: 10.1051/0004-6361/202450690

DOI 2: 10.48550/arXiv.2507.18722

Lees meer

We provide a detailed characterisation of the planetary system orbiting HD 85426 (TOI-1774). This bright G-type star (M*: 0.99 M⊙; R*: 1.13 R⊙; age: 7.4 Gyr; V mag: 8.25) hosts…

Authors: Lienhard, Mortier, Cameron, Cretignier, Borsato, John, Egger, Stalport, Wilson, Deline, Fortier, Latham, Malavolta, Maxted, Sousa, Grimm, Buchhave, Alibert, Lakeland, Dumusque, Cabrera, Naponiello, Correia, Rescigno, Fossati, Sozzetti, Alonso, Bárczy, Barrado, Barros,…

Bibcode: 2025MNRAS.tmp.1875L

DOI: 10.1093/mnras/staf1934

DOI 2: 10.48550/arXiv.2511.08473

Lees meer

We present results from XRISM/Resolve observations of the core of the galaxy cluster Abell 2319, focusing on its kinematic properties. The intracluster medium (ICM) exhibits temperatures of approximately 8 keV…

Authors: Audard, Awaki, Ballhausen, Bamba, Behar, Boissay-Malaquin, Brenneman, Brown, Corrales, Costantini, Cumbee, Diaz Trigo, Done, Dotani, Ebisawa, Eckart, Eckert, Eguchi, Enoto, Ezoe, Foster, Fujimoto, Fujita, Fukazawa, Fukushima, Furuzawa, Gallo, García, Gu,…

Bibcode: 2025PASJ..tmp..116A

DOI: 10.1093/pasj/psaf109

DOI 2: 10.48550/arXiv.2508.05067

Lees meer

The dynamics of the intracluster medium (ICM), the hot plasma that fills galaxy clusters, are shaped by gravity-driven cluster mergers and feedback from supermassive black holes (SMBHs) in the cluster…

Authors: Xrism Collaboration, Audard, Awaki, Ballhausen, Bamba, Behar, Boissay-Malaquin, Brenneman, Brown, Corrales, Costantini, Cumbee, Diaz Trigo, Done, Dotani, Ebisawa, Eckart, Eckert, Eguchi, Enoto, Ezoe, Foster, Fujimoto, Fujita, Fukazawa, Fukushima, Furuzawa, Gallo,…

Bibcode: 2025ApJ...993L..11X

DOI: 10.3847/2041-8213/ae100c

DOI 2: 10.48550/arXiv.2510.06322

Lees meer

We stack 3.75 Ms of early XRISM Resolve observations of 10 galaxy clusters to search for unidentified spectral lines in the E = 2.5─15 keV band (rest frame), including the…

Authors: Xrism Collaboration, Audard, Awaki, Ballhausen, Bamba, Behar, Boissay-Malaquin, Brenneman, Brown, Corrales, Costantini, Cumbee, Diaz Trigo, Done, Dotani, Ebisawa, Eckart, Eckert, Eguchi, Enoto, Ezoe, Foster, Fujimoto, Fujita, Fukazawa, Fukushima, Furuzawa, Gallo,…

Bibcode: 2025ApJ...994L..28X

DOI: 10.3847/2041-8213/ae17ad

DOI 2: 10.48550/arXiv.2510.24560

Lees meer

Previous studies of galaxy clusters have focused extensively on the effects of active galactic nuclei (AGNs) feedback on the chemical evolution of the intra-cluster medium (ICM). However, similar studies on…

Authors: Chatzigiannakis, Simionescu, Mernier

Bibcode: 2025MNRAS.543.3684C

DOI: 10.1093/mnras/staf1614

DOI 2: 10.48550/arXiv.2509.18258

Lees meer

A high-resolution X-ray spectroscopic observation was made of the RS CVn-type binary star HR 1099 using the Resolve instrument onboard XRISM for its calibration purposes. During the $sim$400 ks telescope…

Authors: Kurihara, Tsujimoto, Loewenstein, Maeda, Audard, Behar, Eckart, Foster, Gu, Guainazzi, Hamaguchi, Hell, Inoue, Ishihara, Katsuda, Kilbourne, Leutenegger, Miller, Nagashima, Porter, Sawada, Tsuboi, Kashyap, Brooks

Bibcode: 2025PASJ..tmp..117K

DOI: 10.1093/pasj/psaf124

Lees meer

We present the results of Chandra and XMM-Newton X-ray imaging and spatially resolved spectroscopy, along with new MUSTANG2 90 GHz observations of the thermal Sunyaev-Zeldovich (SZ) effect on MACS J0717.5+3745.…

Authors: Breuer, Werner, Plšek, Mernier, Umetsu, Simionescu, Devlin, Di Mascolo, Dibblee-Barkman, Dicker, Mason, Mroczkowski, Romero, Sarazin, Sievers

Bibcode: 2025A&A...703A.231B

DOI: 10.1051/0004-6361/202452908

DOI 2: 10.48550/arXiv.2411.08103

Lees meer

Context. The Mid-Infrared Instrument (MIRI) on board the James Webb Space Telescope (JWST) enables the characterisation of young self-luminous gas giants in a previously inaccessible wavelength range, revealing insights into…

Authors: Patapis, Morales-Calderón, Arabhavi, Kühnle, Gasman, Cugno, Mollière, Matthews, Mâlin, Whiteford, Lagage, Waters, Guedel, Henning, Vandenbussche, Absil, Argyriou, Barrado, Baudoz, Boccaletti, Bouwman, Cossou, Coulais, Decin, Gastaud, Glasse, Glauser, Grant, Min, Kamp,…

Bibcode: 2025A&A...704A...5P

DOI: 10.1051/0004-6361/202556296

DOI 2: 10.48550/arXiv.2507.08961

Lees meer

Coronal mass ejections (CMEs) are major drivers of space weather in the Solar System, but their occurrence rate on other stars is unknown. A characteristic (deca-)metric radio burst with a…

Authors: Konijn, Vedantham, Tasse, Shimwell, Hardcastle, Callingham, Ilin, Drabent, Zarka, van der Tak, Bloot

Bibcode: 2025A&A...703A.198K

DOI: 10.1051/0004-6361/202554317

DOI 2: 10.48550/arXiv.2511.09296

Lees meer

The search for atmospheres on rocky exoplanets is a crucial step in understanding the processes driving atmosphere formation, retention, and loss. Past studies have revealed the existence of planets interior…

Authors: Coulombe, Benneke, Krissansen-Totton, L'Heureux, Piaulet-Ghorayeb, Radica, Roy, Ahrer, Cadieux, Miguel, Schlichting, Delgado-Mena, Monaghan, Adamski, Raul, Cloutier, Komacek, Taylor, Gapp, Allart, Bouchy, Canto Martins, Cook, Doyon, Evans-Soma, Larue, Suárez Mascareño, Wardenier

Bibcode: 2025AJ....170..226C

DOI: 10.3847/1538-3881/adfc6a

DOI 2: 10.48550/arXiv.2509.14224

Lees meer

We present a comprehensive analysis of transit, eclipse, and radial velocity data of the hot Jupiter TrES-1 b and confirm evidence of orbital variations on secular timescales. Apparent variations due…

Authors: Hagey, Edwards, Tsiaras, Boley, Kokori, Narita, Sada, Walter, Zellem, A-thano, Alton, Álava Amat, Benni, Besson, Brandebourg, Bretton, Caló, Crow, Dalouzy, Deldem, Eenmäe, Ferratfiat, Guerra, Vander Haagen, Hose, Jones, Jongen, Laloum,…

Bibcode: 2025AJ....170..197H

DOI: 10.3847/1538-3881/aded15

DOI 2: 10.48550/arXiv.2508.15075

Lees meer

In multiple-planet systems, gravitational interactions of exoplanets could lead to transit timing variations (TTVs), whose amplitude becomes significantly enhanced when planets are in or near mean-motion resonances (MMRs), making them…

Authors: Leonardi, Borsato, Pagliaro, Kubyshkina, Egger, Wilson, Heitzmann, Brandeker, Günther, Nascimbeni, Leleu, Bonfanti, Sousa, Mantovan, Piotto, Fossati, Nardiello, Zingales, Adibekyan, Pezzotti, Akinsanmi, Alibert, Alonso, Bárczy, Barrado, Barros, Baumjohann, Benz, Billot, Broeg,…

Bibcode: 2025A&A...702A.211L

DOI: 10.1051/0004-6361/202555253

DOI 2: 10.48550/arXiv.2509.14156

Lees meer

Eclipse mapping is a powerful tool for measuring 3D profiles of exoplanet atmospheres. To date, only JWST has been capable of widely applying this technique, but as a general observatory,…

Authors: Valentine, Wakeford, Hammond, Challener, Edwards, Lüftinger, Günther

Bibcode: 2025MNRAS.tmp.1756V

DOI: 10.1093/mnras/staf1721

DOI 2: 10.48550/arXiv.2510.03147

Lees meer

We present the first high-resolution X-ray spectral analysis of Cygnus X-1 using XRISM. The observation wa3s carried out from 2024 April 7 to 10, covering the orbital phase range 0.65-0.17…

Authors: Yamada, Hell, Costantini, Adegoke, Brumback, Draghis, Ebisawa, Garcia, Hodges-Kluck, Kitamoto, Kobayashi, Kohmura, Kubota, Miller, Mizumoto, Mizuno, Ninoyu, Takahashi, Uchida, Yamaoka, Zhang

Bibcode: 2025PASJ..tmp..103Y

DOI: 10.1093/pasj/psaf104

Lees meer

We present the first high-resolution XRISM spectrum of the neutron star low-mass X-ray binary GX 340+0, revealing unprecedented detail in its emission and absorption features. The spectrum reveals a rich…

Authors: Chakraborty, Smith, Corrales, Costantini, Díaz Trigo, Foster, Kilbourne, Ludlam, Nakagawa, Porter, Psaradaki, Takahashi, Yaqoob, Zeegers

Bibcode: 2025ApJ...991..224C

DOI: 10.3847/1538-4357/adfb65

DOI 2: 10.48550/arXiv.2508.09359

Lees meer

Context. Accurate X-ray spectroscopic measurements are fundamental for deriving basic physical parameters of the most abundant baryon components in the Universe. The plethora of X-ray observatories currently operational enables a…

Authors: Xrism Collaboration, Audard, Awaki, Ballhausen, Bamba, Behar, Boissay-Malaquin, Brenneman, Brown, Corrales, Costantini, Cumbee, Díaz Trigo, Done, Dotani, Ebisawa, Eckart, Eckert, Eguchi, Enoto, Ezoe, Foster, Fujimoto, Fujita, Fukazawa, Fukushima, Furuzawa, Gallo,…

Bibcode: 2025A&A...702A.147X

DOI: 10.1051/0004-6361/202556000

DOI 2: 10.48550/arXiv.2509.08649

Lees meer

Accretion disks in strong gravity ubiquitously produce winds, seen as blueshifted absorption lines in the X-ray band of both stellar mass X-ray binaries (black holes and neutron stars)1, 2, 3–4…

Authors: Xrism Collaboration, Audard, Awaki, Ballhausen, Bamba, Behar, Boissay-Malaquin, Brenneman, Brown, Corrales, Costantini, Cumbee, Trigo, Done, Dotani, Ebisawa, Eckart, Eckert, Enoto, Eguchi, Ezoe, Foster, Fujimoto, Fujita, Fukazawa, Fukushima, Furuzawa, Gallo, García,…

Bibcode: 2025Natur.646...57X

DOI: 10.1038/s41586-025-09495-w

DOI 2: 10.48550/arXiv.2509.14555

Lees meer

The RS CVn type binary star GT Muscae was observed during its quiescence using the Resolve X-ray microcalorimeter spectrometer onboard XRISM. The main and satellite lines of the Fe XXIV–XXIV…

Authors: Kurihara, Tsujimoto, Audard, Behar, Gu, Hamaguchi, Hell, Kilbourne, Maeda, Porter, Sugai, Tsuboi

Bibcode: 2025PASJ...77S..50K

DOI: 10.1093/pasj/psaf045

DOI 2: 10.48550/arXiv.2504.06663

Lees meer

Chemical abundance measurements from stars in the Milky Way to the intragalactic medium in the Perseus Cluster have challenged the spherical explosion models. Models in the literature cannot closely match…

Authors: Leung, Nomoto, Simionescu

Bibcode: 2025ApJ...990..207L

DOI: 10.3847/1538-4357/adf430

DOI 2: 10.48550/arXiv.2507.21032

Lees meer

Supermassive black hole feedback is the currently favoured mechanism to regulate the star formation rate of galaxies and prevent the formation of ultra-massive galaxies (M⋆ > 1012 M⊙). However, the…

Authors: Eckert, Gastaldello, Lovisari, McGee, Pasini, Brienza, Kolokythas, O'Sullivan, Simionescu, Sun, Ayromlou, Bourne, Chen, Cui, Ettori, Finoguenov, Gozaliasl, Kale, Mernier, Oppenheimer, Schellenberger, Seppi, Tempel

Bibcode: 2025A&A...701A.127E

DOI: 10.1051/0004-6361/202555212

DOI 2: 10.48550/arXiv.2506.13907

Lees meer

Cassiopeia A (Cas A) is the youngest known core-collapse supernova remnant in the Galaxy and is perhaps the best-studied supernova remnant in X-rays. Cas A has a line-rich spectrum dominated…

Authors: Plucinsky, Agarwal, Gu, Foster, Sato, Bamba, Vink, Ichihashi, Matsunaga, Mori, Nakajima, Porter, Sonoda, Suzuki, Tateishi, Terada, Uchida, Yamaguchi

Bibcode: 2025PASJ...77S.171P

DOI: 10.1093/pasj/psaf091

DOI 2: 10.48550/arXiv.2508.01089

Lees meer

We present an analysis of high-resolution spectra from the shock-heated plasmas in SN 1987A, based on an observation using the Resolve instrument onboard the X-Ray Imaging and Spectroscopy Mission (XRISM).…

Authors: Xrism Collaboration, Audard, Awaki, Ballhausen, Bamba, Behar, Boissay-Malaquin, Brenneman, Brown, Corrales, Costantini, Cumbee, Díaz Trigo, Done, Dotani, Ebisawa, Eckart, Eckert, Enoto, Eguchi, Ezoe, Foster, Fujimoto, Fujita, Fukazawa, Fukushima, Furuzawa, Gallo,…

Bibcode: 2025PASJ...77S.193X

DOI: 10.1093/pasj/psaf056

DOI 2: 10.48550/arXiv.2505.07479

Lees meer

We report on a detailed spectroscopic study of the gas dynamics and hydrostatic mass bias of the galaxy cluster Abell 2029, utilizing high-resolution observations from XRISM Resolve. Abell 2029, known…

Authors: Xrism Collaboration, Audard, Awaki, Ballhausen, Bamba, Behar, Boissay-Malaquin, Brenneman, Brown, Corrales, Costantini, Cumbee, Díaz Trigo, Done, Dotani, Ebisawa, Eckart, Eckert, Eguchi, Enoto, Ezoe, Foster, Fujimoto, Fujita, Fukazawa, Fukushima, Furuzawa, Gallo,…

Bibcode: 2025PASJ...77S.242X

DOI: 10.1093/pasj/psaf055

DOI 2: 10.48550/arXiv.2505.06533

Lees meer

The X-Ray Imaging and Spectroscopy Mission (XRISM) is a joint mission between the Japan Aerospace Exploration Agency (JAXA) and the National Aeronautics and Space Administration (NASA) in collaboration with the…

Authors: Tashiro, Kelley, Watanabe, Maejima, Reichenthal, Toda, Hartz, Santovincenzo, Matsushita, Yamaguchi, Petre, Williams, Guainazzi, Costantini, Takei, Ishisaki, Fujimoto, Henegar-Leon, Sneiderman, Tomida, Mori, Nakajima, Terada, Holland, Loewenstein, Miller, Sawada, Kallman, Kaastra, Done,…

Bibcode: 2025PASJ...77S...1T

DOI: 10.1093/pasj/psaf023

Lees meer

Planet formation impacts exoplanet atmospheres by accreting metals in solid form, leading to atmospheric carbon-to-oxygen ratios (C/O) and sulfur-to-nitrogen ratios (S/N) that deviate from those of their host stars. Recent…

Authors: Louca, Miguel

Bibcode: 2025ApJ...991..121L

DOI: 10.3847/1538-4357/add736

DOI 2: 10.48550/arXiv.2505.06013

Lees meer

Context. Despite the ever-increasing number of known exoplanets, no uncontested detections have been made of their satellites, known as exomoons. Aims. The quest to find exomoons is at the forefront…

Authors: Kálmán, Simon, Deline, Csizmadia, Szabó, Ehrenreich, Wilson, Günther, Heitzmann, Sousa, Farnir, Bonfanti, Smith, Pal, Scandariato, Adibekyan, Brandeker, Charnoz, Akinsanmi, Barros, Song, Alibert, Alonso, Bárczy, Navascues, Baumjohann, Benz, Billot, Biondi, Borsato,…

Bibcode: 2025A&A...701A.240K

DOI: 10.1051/0004-6361/202554040

DOI 2: 10.48550/arXiv.2507.15318

Lees meer

Recent infrared spectroscopy from the James Webb Space Telescope (JWST) has spurred analyses of common volcanic gases such as carbon dioxide (CO2), sulfur dioxide (SO2), alongside alkali metals sodium (Na…

Authors: Oza, Gebek, Westram, Tokadjian, Piro, Hu, Unni, Chari, Bello-Arufe, Schmidt, Louca, Miguel, Estrela, Yang, Damiano, Hasegawa, Welbanks, Powell, Garg, Gupta, Yung, Lopes

Bibcode: 2025MNRAS.tmp.1555O

DOI: 10.1093/mnras/staf1526

DOI 2: 10.48550/arXiv.2509.08349

Lees meer

We present XRISM Resolve observations centered on Hydra-A, a redshift z = 0.054 brightest cluster galaxy, which hosts one of the largest and most powerful FR-I radio sources in the…

Authors: Rose, McNamara, Meunier, Fabian, Russell, Nulsen, Dizdar, Heckman, McDonald, Markevitch, Paerels, Simionescu, Werner, Coil, Hodges-Kluck, Miller, Wise

Bibcode: 2025ApJ...990...42R

DOI: 10.3847/1538-4357/adf32d

Lees meer

The expansion structure of supernova remnants is important for understanding not only how heavy elements are distributed into space, but also how supernovae explode. The ejecta expansion structure of the…

Authors: Bamba, Agarwal, Vink, Plucinsky, Terada, Behar, Katsuda, Mori, Sawada, Matsumoto, Corrales, Foster, Fujimoto, Gu, Ichikawa, Matsunaga, Mizuno, Murakami, Nakajima, Sato, Sonoda, Suzuki, Tateishi, Uchida, Ichihashi, Nobukawa, Orlando

Bibcode: 2025PASJ...77S.144B

DOI: 10.1093/pasj/psaf041

DOI 2: 10.48550/arXiv.2504.03268

Lees meer

We present a $152$ ks XRISM/Resolve observation of the persistently accreting Z source GX 340$+$0. Simultaneous observations also occurred with NuSTAR and NICER for $22.47$ ks and $2.7$ ks, respectively.…

Authors: Ludlam, Ballhausen, Chakraborty, Costantini, Corrales, Hall, Kilbourne, Moutard, Nakagawa, Porter, Psaradaki, Sudha, Smith, Takahashi, Done, García

Bibcode: 2025PASJ...77S.117L

DOI: 10.1093/pasj/psaf085

DOI 2: 10.48550/arXiv.2507.06289

Lees meer

The $mathcal {R}$ ratio is a useful diagnostic of the X-ray emitting astrophysical plasmas and is defined as the intensity ratio of the forbidden over the inter-combination lines in the…

Authors: Mochizuki, Tsujimoto, Leutenegger, Gu, Ballhausen, Behar, Draghis, Hell, Pradhan

Bibcode: 2025PASJ...77S..63M

DOI: 10.1093/pasj/psaf098

DOI 2: 10.48550/arXiv.2508.10441

Lees meer

The X-ray Integral Field Unit (X-IFU) is an imaging spectrometer based on a large array of Transition Edge Sensors (TES) measured using Time Domain Multiplexing (TDM). For the development of…

Authors: de Wit, Gottardi, Nagayoshi, Taralli, Vaccaro, Ravensberg, Bruijn, van der Kuur, Gao, den Herder

Bibcode: 2025ITAS...3521900D

DOI: 10.1109/TASC.2024.3521900

Lees meer

The spin of a black hole (BH) encodes information about its formation and evolution history. Yet the understanding of the distribution of BH spins in X-ray binaries (XBs), of the…

Authors: Draghis, Miller, Brenneman, Costantini, Gallo, Reynolds, Tomsick, Zoghbi

Bibcode: 2025ApJ...989..227D

DOI: 10.3847/1538-4357/adec85

DOI 2: 10.48550/arXiv.2506.12121

Lees meer

W49B is a unique Galactic supernova remnant with centrally peaked, “bar”-like ejecta distribution, which was once considered evidence for a hypernova origin that resulted in a bipolar ejection of the…

Authors: Xrism Collaboration, Audard, Awaki, Ballhausen, Bamba, Behar, Boissay-Malaquin, Brenneman, Brown, Corrales, Costantini, Cumbee, Díaz Trigo, Done, Dotani, Ebisawa, Eckart, Eckert, Eguchi, Enoto, Ezoe, Foster, Fujimoto, Fujita, Fukazawa, Fukushima, Furuzawa, Gallo,…

Bibcode: 2025ApJ...988L..58X

DOI: 10.3847/2041-8213/ade138

DOI 2: 10.48550/arXiv.2506.05455

Lees meer

Context. Early theoretical works suggested that ultrahot Jupiters have inverted temperature-pressure (T–P) profiles in the presence of optical absorbers, such as TiO and VO. Recently, an inverted T–P profile of…

Authors: Garai, Krenn, Cubillos, Bruno, Smith, Wilson, Brandeker, Günther, Heitzmann, Carone, Singh, Lendl, Demangeon, Alibert, Alonso, Asquier, Bárczy, Barrado, Barros, Baumjohann, Benz, Billot, Borsato, Broeg, Collier Cameron, Correia, Csizmadia, Davies, Deleuil,…

Bibcode: 2025A&A...700A...5G

DOI: 10.1051/0004-6361/202452560

DOI 2: 10.48550/arXiv.2506.20432

Lees meer

Context. HD 135344 AB is a young visual binary system that is best known for the protoplanetary disk around the secondary star. The circumstellar environment of the A0-type primary star,…

Authors: Stolker, Samland, Waters, van den Ancker, Balmer, Lacour, Sitko, Wang, Nowak, Maire, Kammerer, Otten, Abuter, Amorim, Benisty, Berger, Beust, Blunt, Boccaletti, Bonnefoy, Bonnet, Bordoni, Bourdarot, Brandner, Cantalloube, Caselli, Charnay, Chauvin,…

Bibcode: 2025A&A...700A..21S

DOI: 10.1051/0004-6361/202555064

DOI 2: 10.48550/arXiv.2507.06206

Lees meer

Context. Galaxy groups are more susceptible to feedback from the central active galactic nuclei (AGNs) due to their lower gravitational binding energy compared to clusters. This makes them ideal laboratories…

Authors: Majumder, Simionescu, Plšek, Brienza, Churazov, Khabibullin, Gastaldello, Botteon, Röttgering, Brüggen, Lyskova, Rajpurohit, Sunyaev, Wise

Bibcode: 2025A&A...699A.375M

DOI: 10.1051/0004-6361/202554682

Lees meer

We present our study of the X-Ray Imaging and Spectroscopy Mission (XRISM) observation of the Seyfert-1 galaxy NGC 3783. XRISM’s Resolve microcalorimeter has enabled, for the first time, a detailed…

Authors: Mehdipour, Kaastra, Eckart, Gu, Ballhausen, Behar, Diez, Fukumura, Guainazzi, Hagino, Kallman, Kara, Li, Miller, Mizumoto, Noda, Ogawa, Panagiotou, Tanimoto, Zhao

Bibcode: 2025A&A...699A.228M

DOI: 10.1051/0004-6361/202555623

DOI 2: 10.48550/arXiv.2506.09395

Lees meer

Context. Before JWST, telescope observations were not sensitive enough to constrain the nature of clouds in exo-atmospheres. Recent observations, however, have inferred cloud signatures as well as haze-enhanced scattering slopes…

Authors: Changeat, Bardet, Chubb, Dyrek, Edwards, Ohno, Venot

Bibcode: 2025A&A...699A.219C

DOI: 10.1051/0004-6361/202453186

DOI 2: 10.48550/arXiv.2505.18715

Lees meer

We report on comprehensive laboratory studies of the K-shell dielectronic recombination resonances of Fe XXV─XXI ions that prominently contribute to the hard X-ray spectrum of hot astrophysical plasmas. By scanning…

Authors: Shah, Amaro, Grilo, Gu, Gu, Santos, Porter, Pfeifer, Leutenegger, Crespo López-Urrutia

Bibcode: 2025ApJ...987...36S

DOI: 10.3847/1538-4357/addaba

DOI 2: 10.48550/arXiv.2505.14833

Lees meer

Context. Ultra-hot Jupiters (UHJs) are gas giant exoplanets that are strongly irradiated by their star, setting intense molecular dissociation that leads to atmospheric chemistry dominated by ions and atoms. These…

Authors: Deline, Cubillos, Carone, Demory, Lendl, Benz, Brandeker, Günther, Heitzmann, Barros, Kreidberg, Bruno, Kitzmann, Bonfanti, Farnir, Persson, Sousa, Wilson, Ehrenreich, Singh, Iro, Alibert, Alonso, Bárczy, Barrado Navascues, Baumjohann, Bergomi, Billot, Borsato,…

Bibcode: 2025A&A...699A.150D

DOI: 10.1051/0004-6361/202450939

DOI 2: 10.48550/arXiv.2505.01544

Lees meer

The dusty interstellar medium (ISM) of the Milky Way is distributed in a complex, cloudy structure. It is fundamental to the radiation balance within the Milky Way, provides a reaction…

Authors: Zeegers, Marshall, Gordon, Misselt, Otten, Bouwman, Chiar, Decleir, Dharmawardena, Kemper, Li, Narang, Potapov, Puravankara, Scicluna, Tyagi, Zari, Wei, Kaper, Backs, Bromley, Chu, Costantini, Geballe, Green, Gunasekera, Günay, Henning, Jones, Mariñoso…

Bibcode: 2025ApJ...987...25Z

DOI: 10.3847/1538-4357/add73b

DOI 2: 10.48550/arXiv.2506.20033

Lees meer

The X-ray Imaging Spectroscopy Mission (XRISM) provides the best spectral resolution with which to study sulfur (S) K-shell photoabsorption features from the interstellar medium (ISM). For the first time, we…

Authors: Corrales, Costantini, Zeegers, Gu, Takahashi, Moutard, Shidatsu, Miller, Mizumoto, Smith, Ballhausen, Chakraborty, Díaz Trigo, Ludlam, Nakagawa, Psaradaki, Yamada, Kilbourne

Bibcode: 2025PASJ...77S.107C

DOI: 10.1093/pasj/psaf068

DOI 2: 10.48550/arXiv.2506.08751

Lees meer

Context. The study of molecular line emission is crucial to unveil the kinematics and the physical conditions of gas in star-forming regions. We use data from the ALMAGAL survey, which…

Authors: Mininni, Molinari, Soler, Sánchez-Monge, Coletta, Benedettini, Traficante, Schisano, Elia, Pezzuto, Nucara, Schilke, Battersby, Ho, Beltrán, Beuther, Fuller, Jones, Klessen, Zhang, Walch, Tang, Ahmadi, Allande, Avison, Brogan, De Angelis, Fontani, Hennebelle,…

Bibcode: 2025A&A...699A..34M

DOI: 10.1051/0004-6361/202452700

DOI 2: 10.48550/arXiv.2504.12963

Lees meer

Young supernova remnants (SNRs) provide crucial insights into explosive nucleosynthesis products and their velocity distribution soon after the explosion. However, these velocities are influenced by the dynamics of the circumstellar…

Authors: Vink, Agarwal, Bamba, Gu, Plucinsky, Behar, Corrales, Foster, Fujimoto, Ichihashi, Ichikawa, Katsuda, Matsumoto, Matsunaga, Mizuno, Mori, Murakami, Nakajima, Sato, Sawada, Sonoda, Suzuki, Tateishi, Terada, Uchida

Bibcode: 2025PASJ...77S.154V

DOI: 10.1093/pasj/psaf053

DOI 2: 10.48550/arXiv.2505.04691

Lees meer

Understanding exoplanet interiors is crucial for interpreting atmospheric observations and constraining their evolution and formation. However, due to limited observational constraints, interiors structures remain poorly understood. In this work, we…

Authors: van Dijk, Miguel

Bibcode: 2025MNRAS.540.1544V

DOI: 10.1093/mnras/staf814

DOI 2: 10.48550/arXiv.2505.10304

Lees meer

The galaxy cluster pair 1E2216.0-0401 and 1E2215.7-0404 represents a major cluster merger in its early stages, a phase that has been scarcely explored in previous studies. Within this system, both…

Authors: Chen, Gu, Simionescu, Jiang, Huang, Cui

Bibcode: 2025ApJ...986..152C

DOI: 10.3847/1538-4357/add933

DOI 2: 10.48550/arXiv.2505.24323

Lees meer

Previous X-ray and optical studies of the galaxy cluster pair A222/223 suggested the possible presence of a filamentary structure connecting the two clusters, a result that appears to be supported…

Authors: Chen, Cui, Simionescu, Huang, Hu

Bibcode: 2025RAA....25f5009C

DOI: 10.1088/1674-4527/add3a4

DOI 2: 10.48550/arXiv.2506.01289

Lees meer

Sub-Neptunes have been found to be one of the most common types of exoplanets, yet their physical parameters and properties are poorly determined and in need of further investigation. In…

Authors: Jiang, Yeh, Edwards, Yang, Stassun, A-thano

Bibcode: 2025AJ....169..243J

DOI: 10.3847/1538-3881/adbe7a

DOI 2: 10.48550/arXiv.2503.08905

Lees meer

Sub-Neptunes, the most common planet type, remain poorly understood. Their atmospheres are expected to be diverse, but their compositions are challenging to determine, even with JWST. Here, we present the…

Authors: Ahrer, Radica, Piaulet-Ghorayeb, Raul, Wiser, Welbanks, Acuña, Allart, Coulombe, Louca, MacDonald, Saidel, Evans-Soma, Benneke, Christie, Beatty, Cadieux, Cloutier, Doyon, Fortney, Gagnebin, Gapp, Innes, Knutson, Komacek, Krissansen-Totton, Miguel, Pierrehumbert, Roy, Schlichting

Bibcode: 2025ApJ...985L..10A

DOI: 10.3847/2041-8213/add010

DOI 2: 10.48550/arXiv.2504.20428

Lees meer

We report upgraded Giant Metrewave Radio Telescope and Karl J. Jansky Very Large Array radio observations of a low-mass merging galaxy cluster PSZ2 G181.06+48.47. This exceptional galaxy cluster hosts two…

Authors: Rajpurohit, Stroe, O'Sullivan, Ahn, Lee, Cho, Jee, van Weeren, Lovisari, Finner, Simionescu, Forman, Shimwell, Jones, Zhu, Randall

Bibcode: 2025ApJ...984...25R

DOI: 10.3847/1538-4357/adbbb9

DOI 2: 10.48550/arXiv.2501.08390

Lees meer

The XRISM Resolve microcalorimeter array measured the velocities of hot intracluster gas at two positions in the Coma galaxy cluster: 3’×3′ squares at the center and at 6 ‘ (170…

Authors: Xrism Collaboration, Audard, Awaki, Ballhausen, Bamba, Behar, Boissay-Malaquin, Brenneman, Brown, Corrales, Costantini, Cumbee, Diaz Trigo, Done, Dotani, Ebisawa, Eckart, Eckert, Eguchi, Enoto, Ezoe, Foster, Fujimoto, Fujita, Fukazawa, Fukushima, Furuzawa, Gallo,…

Bibcode: 2025ApJ...985L..20X

DOI: 10.3847/2041-8213/add2f6

DOI 2: 10.48550/arXiv.2504.20928

Lees meer

Evidence indicates that supermassive black holes (SMBHs) exist at the centres of most galaxies. Their mass correlates with the galactic bulge mass1, suggesting a coevolution with their host galaxies2, most…

Authors: Xrism Collaboration, Audard, Awaki, Ballhausen, Bamba, Behar, Boissay-Malaquin, Brenneman, Brown, Corrales, Costantini, Cumbee, Trigo, Done, Dotani, Ebisawa, Eckart, Eckert, Enoto, Eguchi, Ezoe, Foster, Fujimoto, Fujita, Fukazawa, Fukushima, Furuzawa, Gallo, García,…

Bibcode: 2025Natur.641.1132X

DOI: 10.1038/s41586-025-08968-2

DOI 2: 10.48550/arXiv.2505.09171

Lees meer

This paper presents initial results of a systematic search for resonance X-ray absorption lines from H–like O VIII and $He$–like O VII caused by the intervening warm–hot intergalactic medium (WHIM).…

Authors: Spence, Bonamente, Ahoranta, Wijers, Tuominen, de Plaa

Bibcode: 2025MNRAS.539.2088S

DOI: 10.1093/mnras/stae2590

DOI 2: 10.48550/arXiv.2412.00989

Lees meer

Relics are diffuse, highly polarized radio sources that trace merger-driven shocks at the periphery of merging galaxy clusters. The Low Frequency Array survey recently discovered a rare example of double…

Authors: Stroe, Rajpurohit, Zhu, Lovisari, Simionescu, O'Sullivan, Randall, Forman, Akamatsu, van Weeren, Jee, Lee, Cho, Ahn, Finner, Jones

Bibcode: 2025ApJ...984...24S

DOI: 10.3847/1538-4357/adb731

DOI 2: 10.48550/arXiv.2501.07651

Lees meer

Aims. Hierarchical merging of galaxies plays an important role in galaxy formation and evolution. Mergers could trigger key evolutionary phases such as starburst activities and active accretion periods onto supermassive…

Authors: de Graaff, Margalef-Bentabol, Wang, La Marca, Pearson, Rodriguez-Gomez, Walmsley

Bibcode: 2025A&A...697A.207D

DOI: 10.1051/0004-6361/202452659

DOI 2: 10.48550/arXiv.2502.06254

Lees meer

Context. The detectors of the JWST Mid-Infrared Instrument (MIRI) Medium Resolution Spectrometer (MRS) form low-finesse resonating cavities that cause periodic count rate modulations (fringes) with peak amplitudes of up to…

Authors: Crouzet, Mueller, Sargent, Lahuis, Kester, Yang, Argyriou, Gasman, Kavanagh, Labiano, Larson, Law, Álvarez-Márquez, Brandl, Glasse, Patapis, Roelfsema, Tychoniec, van Dishoeck, Wright

Bibcode: 2025A&A...698A..77C

DOI: 10.1051/0004-6361/202452903

DOI 2: 10.48550/arXiv.2504.11328

Lees meer

The current standard model of cosmology successfully describes a variety of measurements, but the nature of its main ingredients, dark matter and dark energy, remains unknown. Euclid is a medium-class…

Authors: Euclid Collaboration, Mellier, Abdurro'uf, Acevedo Barroso, Achúcarro, Adamek, Adam, Addison, Aghanim, Aguena, Ajani, Akrami, Al-Bahlawan, Alavi, Albuquerque, Alestas, Alguero, Allaoui, Allen, Allevato, Alonso-Tetilla, Altieri, Alvarez-Candal, Alvi, Amara, Amendola, Amiaux, Andika,…

Bibcode: 2025A&A...697A...1E

DOI: 10.1051/0004-6361/202450810

DOI 2: 10.48550/arXiv.2405.13491

Lees meer

Recent JWST observations with NIRCam and MIRI of the ultra-short-period super-Earth 55 Cancri e indicate a possible volatile atmosphere surrounding the planet. Previous analysis of the NIRCam spectra suggested potential…

Authors: Zilinskas, van Buchem, Zieba, Miguel, Sandford, Hu, Patel, Bello-Arufe, Janssen, Tsai, Dragomir, Zhang

Bibcode: 2025A&A...697A..34Z

DOI: 10.1051/0004-6361/202554062

DOI 2: 10.48550/arXiv.2503.15844

Lees meer

Studying the composition of exoplanets is one of the most promising approaches to observationally constrain planet formation and evolution processes. However, this endeavour is complicated for small exoplanets by the…

Authors: Egger, Kubyshkina, Alibert, Osborn, Bonfanti, Wilson, Brandeker, Günther, Lendl, Kitzmann, Fossati, Mordasini, Sousa, Adibekyan, Fridlund, Pezzotti, Gandolfi, Ulmer-Moll, Alonso, Bárczy, Barrado Navascues, Barros, Baumjohann, Benz, Billot, Borsato, Broeg, Collier Cameron,…

Bibcode: 2025A&A...696A..28E

DOI: 10.1051/0004-6361/202453325

DOI 2: 10.48550/arXiv.2502.07887

Lees meer

The Athena mission entered a redefinition phase in July 2022, driven by the imperative to reduce the mission cost at completion for the European Space Agency below an acceptable target,…

Authors: Peille, Barret, Cucchetti, Albouys, Piro, Simionescu, Cappi, Bellouard, Cénac-Morthé, Daniel, Pradines, Finoguenov, Kelley, Mas-Hesse, Paltani, Rauw, Rozanska, Svoboda, Wilms, Audard, Bozzo, Costantini, Dadina, Dauser, Decourchelle, den Herder, Goldwurm, Jonker, Markowitz,…

Bibcode: 2025ExA....59...18P

DOI: 10.1007/s10686-025-09984-w

DOI 2: 10.48550/arXiv.2502.10866

Lees meer

Astrophysical charge-exchange modeling depends on an accurate database of state-resolved and velocity-dependent cross sections. The cross sections, resolved by the quantum state with principal n and orbital angular momentum ℓ,…

Authors: Zhu, Zhang, Zhang, Mitrani, Gu, Gao, Zhang, Ma

Bibcode: 2025ApJS..277...35Z

DOI: 10.3847/1538-4365/adb72a

Lees meer

Context. Stars form preferentially in clusters embedded inside massive molecular clouds, many of which contain high-mass stars. Thus, a comprehensive understanding of star formation requires a robust and statistically well-constrained…

Authors: Sánchez-Monge, Brogan, Hunter, Ahmadi, Avison, Beltrán, Beuther, Coletta, Fuller, Johnston, Jones, Liu, Mininni, Molinari, Schilke, Schisano, Su, Traficante, Zhang, Battersby, Benedettini, Elia, Ho, Klaassen, Klessen, Law, Lis, Liu, Maud, Möller,…

Bibcode: 2025A&A...696A.150S

DOI: 10.1051/0004-6361/202452703

DOI 2: 10.48550/arXiv.2503.05559

Lees meer

Nest200047 is one of the clearest examples of multiple radio bubbles from an active galactic nucleus (AGN) observed in a galaxy group. It also features a complex system of non-thermal…

Authors: Brienza, Rajpurohit, Churazov, Heywood, Brüggen, Hoeft, Vazza, Bonafede, Botteon, Brunetti, Gastaldello, Khabibullin, Lyskova, Majumder, Röttgering, Shimwell, Simionescu, van Weeren

Bibcode: 2025A&A...696A.239B

DOI: 10.1051/0004-6361/202553676

DOI 2: 10.48550/arXiv.2502.18244

Lees meer

The physical mechanisms behind the fragmentation of high-mass dense clumps into compact star-forming cores and the properties of these cores are fundamental topics that are heavily investigated in current astrophysical…

Authors: Coletta, Molinari, Schisano, Traficante, Elia, Benedettini, Mininni, Soler, Sánchez-Monge, Schilke, Battersby, Fuller, Beuther, Zhang, Beltrán, Jones, Klessen, Walch, Fontani, Avison, Brogan, Clarke, Hatchfield, Hennebelle, Ho, Hunter, Johnston, Klaassen, Koch, Kuiper,…

Bibcode: 2025A&A...696A.151C

DOI: 10.1051/0004-6361/202452706

DOI 2: 10.48550/arXiv.2503.05663

Lees meer

Context. A large fraction of stars form in clusters containing high-mass stars, which subsequently influences the local and galaxy-wide environment. Aims. Fundamental questions about the physics responsible for fragmenting molecular…

Authors: Molinari, Schilke, Battersby, Ho, Sánchez-Monge, Traficante, Jones, Beltrán, Beuther, Fuller, Zhang, Klessen, Walch, Tang, Benedettini, Elia, Coletta, Mininni, Schisano, Avison, Law, Nucara, Soler, Stroud, Wallace, Wells, Ahmadi, Brogan, Hunter, Liu,…

Bibcode: 2025A&A...696A.149M

DOI: 10.1051/0004-6361/202452702

DOI 2: 10.48550/arXiv.2503.05555

Lees meer

Aims. We examine the high-energy resolution X-ray spectrum of the narrow-line Seyfert 1 galaxy Mrk 766 using four observations taken with XMM-Newton in 2005 to investigate the properties of the…

Authors: Matamoro Zatarain, Costantini, Juráňová, Rogantini

Bibcode: 2025A&A...696A..50M

DOI: 10.1051/0004-6361/202451710

DOI 2: 10.48550/arXiv.2501.11562

Lees meer

We present XRISM Resolve observations of the core of the hot, relaxed galaxy cluster Abell 2029 (A2029). We find that the line-of-sight bulk velocity of the intracluster medium (ICM) within…

Authors: Xrism Collaboration, Audard, Awaki, Ballhausen, Bamba, Behar, Boissay-Malaquin, Brenneman, Brown, Corrales, Costantini, Cumbee, Diaz Trigo, Done, Dotani, Ebisawa, Eckart, Eckert, Eguchi, Enoto, Ezoe, Foster, Fujimoto, Fujita, Fukazawa, Fukushima, Furuzawa, Gallo,…

Bibcode: 2025ApJ...982L...5X

DOI: 10.3847/2041-8213/ada7cd

DOI 2: 10.48550/arXiv.2501.05514

Lees meer

The Habitable Worlds Observatory (HWO) will enable a transformative leap in the direct imaging and characterization of Earth-like exoplanets. For this, NASA is focusing on early investment in technology development…

Authors: Laginja, Carrión-González, Laugier, Matthews, Leboulleux, Potier, Lau, Absil, Baudoz, Biller, Boccaletti, Brandner, Carlotti, Chauvin, Choquet, Doelman, Dohlen, Ferrari, Hinkley, Huby, Karlsson, Krause, Kühn, Le Duigou, Mazoyer, Mesa, Min, Mouillet, Mugnier,…

Bibcode: 2025Ap&SS.370...29L

DOI: 10.1007/s10509-025-04417-8

DOI 2: 10.48550/arXiv.2503.12707

Lees meer

The first James Webb Space Telescope/MIRI photometric observations of TRAPPIST-1 b allowed for the detection of the thermal emission of the planet at 15 μm, suggesting that the planet could…

Authors: Ducrot, Lagage, Min, Gillon, Bell, Tremblin, Greene, Dyrek, Bouwman, Waters, Güdel, Henning, Vandenbussche, Absil, Barrado, Boccaletti, Coulais, Decin, Edwards, Gastaud, Glasse, Kendrew, Olofsson, Patapis, Pye, Rouan, Whiteford, Argyriou, Cossou, Glauser,…

Bibcode: 2025NatAs...9..358D

DOI: 10.1038/s41550-024-02428-z

DOI 2: 10.48550/arXiv.2412.11627

Lees meer

Context. Due to strong irradiation, hot rocky exoplanets are able to sustain lava oceans. Direct interaction between these oceans and overlying atmospheres can provide insight into planetary interiors. In order…

Authors: van Buchem, Zilinskas, Miguel, van Westrenen

Bibcode: 2025A&A...695A.154V

DOI: 10.1051/0004-6361/202450992

DOI 2: 10.48550/arXiv.2408.10863

Lees meer

Context. With a temperature of ∼285 K, WISEJ0855–0714 (hereafter, WISE 0855) is the coldest brown dwarf observed thus far. Studying such cold gas giants allows us to probe the atmospheric…

Authors: Kühnle, Patapis, Mollière, Tremblin, Matthews, Glauser, Whiteford, Vasist, Absil, Barrado, Min, Lagage, Waters, Guedel, Henning, Vandenbussche, Baudoz, Decin, Pye, Royer, van Dishoeck, Östlin, Ray, Wright

Bibcode: 2025A&A...695A.224K

DOI: 10.1051/0004-6361/202452547

DOI 2: 10.48550/arXiv.2410.10933

Lees meer

Context. The discovery and characterization of mini-Neptunes hold a potentially crucial impact on planetary formation and evolution theories. Estimating their orbital parameters and atmospheric properties would provide valuable hints to…

Authors: Zingales, Malavolta, Borsato, Turrini, Bonfanti, Polychroni, Mantovan, Nardiello, Nascimbeni, Lanza, Bekkelien, Sozzetti, Broeg, Naponiello, Lendl, Bonomo, Simon, Desidera, Piotto, Mancini, Hooton, Bignamini, Egger, Maggio, Alibert, Locci, Delrez, Biassoni, Fossati, Cabona,…

Bibcode: 2025A&A...695A.273Z

DOI: 10.1051/0004-6361/202451180

DOI 2: 10.48550/arXiv.2412.05423

Lees meer

Cosmic dust plays a crucial role in the evolution of galaxies, significantly influencing star formation and the interstellar medium. However, in active galactic nuclei (AGNs), the role and origin of…

Authors: Psaradaki, Mehdipour, Rogantini, Costantini, Schulz, Zeegers, Caruso

Bibcode: 2025ApJ...981..137P

DOI: 10.3847/1538-4357/adb4e9

Lees meer

We reanalyse the Chandra/HETGS observations of NGC 3783 from the campaign in the year 2001 and identify significant spectral variations in the Fe unresolved transition array (UTA) over timescales of…

Authors: Li, Kaastra, Gu, Rogantini, Juráňová, Mehdipour, de Plaa

Bibcode: 2025A&A...694A.302L

DOI: 10.1051/0004-6361/202452911

DOI 2: 10.48550/arXiv.2501.16880

Lees meer

In this paper we introduce the clus model, which has been newly implemented in the X-ray spectral fitting software package SPEX. Based on 3D radial profiles of the gas density,…

Authors: Štofanová, Simionescu, Kaastra

Bibcode: 2025A&A...694A.149S

DOI: 10.1051/0004-6361/202451431

DOI 2: 10.48550/arXiv.2412.13252

Lees meer

Sagittarius A East is a supernova remnant with a unique surrounding environment, as it is located in the immediate vicinity of the supermassive black hole at the Galactic center, Sagittarius…

Authors: XRISM Collaboration, Audard, Awaki, Ballhausen, Bamba, Behar, Boissay-Malaquin, Brenneman, Brown, Corrales, Costantini, Cumbee, Diaz-Trigo, Done, Dotani, Ebisawa, Eckart, Eckert, Enoto, Eguchi, Ezoe, Foster, Fujimoto, Fujita, Fukazawa, Fukushima, Furuzawa, Gallo, García,…

Bibcode: 2025PASJ...77L...1X

DOI: 10.1093/pasj/psae111

Lees meer

Galaxy clusters contain vast amounts of hot ionized gas known as the intracluster medium (ICM). In relaxed cluster cores, the radiative cooling time of the ICM is shorter than the…

Authors: XRISM Collaboration, Audard, Awaki, Ballhausen, Bamba, Behar, Boissay-Malaquin, Brenneman, Brown, Corrales, Costantini, Cumbee, Done, Dotani, Ebisawa, Eckart, Eckert, Enoto, Eguchi, Ezoe, Foster, Fujimoto, Fujita, Fukazawa, Fukushima, Furuzawa, Gallo, García, Gu,…

Bibcode: 2025Natur.638..365X

DOI: 10.1038/s41586-024-08561-z

DOI 2: 10.48550/arXiv.2502.08722

Lees meer

We report an analysis of Insight-HXMT observations of the newly discovered accreting millisecond pulsar SRGA J144459.2–604207. During the outburst, detected in 2024 February by SRG/ART-XC, the broadband persistent spectrum was…

Authors: Fu, Li, Pan, Ji, Chen, Kuiper, Galloway, Falanga, Xu, Li, Ge, Song, Zhang, Zhang

Bibcode: 2025ApJ...980..161F

DOI: 10.3847/1538-4357/adadee

DOI 2: 10.48550/arXiv.2412.05779

Lees meer

Context. AU Mic is a very active M dwarf star with an edge-on debris disk and two known transiting sub-Neptunes with a possible third planetary companion. The two transiting planets…

Authors: Boldog, Szabó, Kriskovics, Borsato, Gandolfi, Lendl, Günther, Heitzmann, Wilson, Brandeker, Garai, Alibert, Alonso, Bárczy, Barrado Navascues, Barros, Baumjohann, Benz, Billot, Broeg, Collier Cameron, Correia, Csizmadia, Cubillos, Davies, Deleuil, Deline, Demangeon,…

Bibcode: 2025A&A...694A.137B

DOI: 10.1051/0004-6361/202452699

DOI 2: 10.48550/arXiv.2501.13575

Lees meer

While several thousand exoplanets are now confirmed, the number of known transiting warm Jupiters (10 d < period < 200 d) remains relatively small. These planets are generally believed to…

Authors: Heidari, Hébrard, Martioli, Eastman, Jackson, Delfosse, Jordán, Correia, Sousa, Dragomir, Forveille, Boisse, Giacalone, Díaz, Brahm, Almasian, Almenara, Bieryla, Barkaoui, Baker, Barros, Bonfils, Carmona, Collins, Cortés-Zuleta, Deleuil, Demangeon, Edwards, Eberhardt, Espinoza,…

Bibcode: 2025A&A...694A..36H

DOI: 10.1051/0004-6361/202451519

DOI 2: 10.48550/arXiv.2412.08527

Lees meer

Context. This paper focuses on a class of galaxies characterised by an extremely low surface brightness: ultra-diffuse galaxies (UDGs). We used new integral-field (IF) spectroscopic data, obtained with the ESO…

Authors: Buttitta, Iodice, Doll, Hartke, Hilker, Forbes, Corsini, Rossi, Arnaboldi, Cantiello, D'Ago, Falcón-Barroso, Gullieuszik, La Marca, Mieske, Mirabile, Paolillo, Rejkuba, Spavone, Spiniello, Sarzi

Bibcode: 2025A&A...694A.276B

DOI: 10.1051/0004-6361/202452915

DOI 2: 10.48550/arXiv.2501.16190

Lees meer

Several proposed space-based X-ray observatories apply TES-based micro-calorimeters as energy-dispersive imaging detector. The number of independently readout pixels is an important figure of merit for the scientific yield of such…

Authors: van der Kuur, Kiviranta, de Lange, Vaccaro, de Wit, Gottardi, Akamatsu, Jackson, Nagayoshi, Bruijn, Taralli, Ravensberg, den Herder

Bibcode: 2025JLTP..218....1V

DOI: 10.1007/s10909-024-03228-5

Lees meer

Large X-ray observatories such as Chandra and XMM-Newton have been delivering scientific breakthroughs in research fields as diverse as our Solar System, the astrophysics of stars, stellar explosions and compact…

Authors: Cruise, Guainazzi, Aird, Carrera, Costantini, Corrales, Dauser, Eckert, Gastaldello, Matsumoto, Osten, Petrucci, Porquet, Pratt, Rea, Reiprich, Simionescu, Spiga, Troja

Bibcode: 2025NatAs...9...36C

DOI: 10.1038/s41550-024-02416-3

DOI 2: 10.48550/arXiv.2501.03100

Lees meer

The AU Microscopii planetary system is only 24 Myr old, and its geometry may provide clues about the early dynamical history of planetary systems. Here, we present the first measurement…

Authors: Yu, Garai, Cretignier, Szabó, Aigrain, Gandolfi, Bryant, Correia, Klein, Brandeker, Owen, Günther, Winn, Heitzmann, Cegla, Wilson, Gill, Kriskovics, Barragán, Boldog, Nielsen, Billot, Lafarga, Meech, Alibert, Alonso, Bárczy, Barrado, Barros, Baumjohann,…

Bibcode: 2025MNRAS.536.2046Y

DOI: 10.1093/mnras/stae2655

DOI 2: 10.48550/arXiv.2411.16958

Lees meer

Context. Detection of electron cyclotron maser (ECM) emission from exoplanets in the 10–40 MHz radio band is likely the only way to measure an exoplanet’s magnetic field directly. However, no…

Authors: Cordun, Vedantham, Brentjens, van der Tak

Bibcode: 2025A&A...693A.162C

DOI: 10.1051/0004-6361/202452868

DOI 2: 10.48550/arXiv.2501.06301

Lees meer

Context. Interior models of gas giants in the Solar System traditionally assume a fully convective molecular hydrogen envelope. However, recent observations from the Juno mission suggest a possible depletion of…

Authors: Siebenaler, Miguel, de Regt, Guillot

Bibcode: 2025A&A...693A.308S

DOI: 10.1051/0004-6361/202452860

DOI 2: 10.48550/arXiv.2501.03756

Lees meer

Context. Photochemistry is a key process that drives planetary atmospheres away from local thermodynamic equilibrium. Recent observations of the H2 dominated atmospheres of hot gas giants have detected SO2 as…

Authors: de Gruijter, Tsai, Min, Waters, Konings, Decin

Bibcode: 2025A&A...693A.132D

DOI: 10.1051/0004-6361/202450598

DOI 2: 10.48550/arXiv.2411.04781

Lees meer

We present 5–1 × 107 Å spectral energy distributions (SEDs) for 12 M dwarf stars covering spectral types M0–M8. Our SEDs are provided for community use as a sequel to…

Authors: Wilson, Froning, Duvvuri, Youngblood, France, Brown, Schneider, Berta-Thompson, Buccino, Linsky, Loyd, Miguel, Newton, Pineda, Redfield, Roberge, Rugheimer, Vieytes

Bibcode: 2025ApJ...978...85W

DOI: 10.3847/1538-4357/ad9251

DOI 2: 10.48550/arXiv.2411.07394

Lees meer

Aims. We aim to observe the transits and occultations of WASP-33 b, which orbits a rapidly rotating δ Scuti pulsator, with the goal of measuring the orbital obliquity via the…

Authors: Smith, Csizmadia, Van Grootel, Lendl, Persson, Olofsson, Ehrenreich, Günther, Heitzmann, Barros, Bonfanti, Brandeker, Cabrera, Demangeon, Fossati, Harre, Hooton, Hoyer, Kalman, Salmon, Sousa, Szabó, Wilson, Alibert, Alonso, Asquier, Bárczy, Barrado, Baumjohann,…

Bibcode: 2025A&A...693A.128S

DOI: 10.1051/0004-6361/202452151

DOI 2: 10.48550/arXiv.2412.08557

Lees meer

Context. To date, more than 5000 exoplanets have been discovered. The large majority of these planets have a mass between 1 and 17 M⊕, making them so-called super-Earths and mini-Neptunes.…

Authors: Castrejon, Min, Kamp, Jørgensen

Bibcode: 2024A&A...692A...7C

DOI: 10.1051/0004-6361/202347347

DOI 2: 10.48550/arXiv.2410.22737

Lees meer

Context. Hot Jupiters (HJs) with close-by planetary companions are rare, with only a handful of them having been discovered so far. This could be due to their suggested dynamical histories,…

Authors: Harre, Smith, Barros, Singh, Korth, Brandeker, Collier Cameron, Lendl, Wilson, Borsato, Csizmadia, Cabrera, Parviainen, Correia, Akinsanmi, Rosario, Leonardi, Serrano, Alibert, Alonso, Asquier, Bárczy, Barrado Navascues, Baumjohann, Benz, Billot, Broeg, Busch,…

Bibcode: 2024A&A...692A.254H

DOI: 10.1051/0004-6361/202451068

DOI 2: 10.48550/arXiv.2411.07797

Lees meer

Planets and their host stars undergo evolutionary changes over time, resulting in variations in internal temperature and incoming radiation, which significantly impact the temperature structure and composition of their atmospheres.…

Authors: Kecskeméthy, Louca, Miguel

Bibcode: 2024NewA..11302296K

DOI: 10.1016/j.newast.2024.102296

Lees meer

We present a detailed reanalysis of the atmospheric properties of WASP-19b, an ultra-hot Jupiter (1.14 M Jup, 1.41 R Jup) orbiting an active Sun-like star every 0.79 day. We reanalyze…

Authors: Tumborang, Spake, Knutson, Weiner Mansfield, Paragas, Edwards, Kataria, Evans-Soma, Lewis, Ballester

Bibcode: 2024AJ....168..296T

DOI: 10.3847/1538-3881/ad863f

DOI 2: 10.48550/arXiv.2412.03739

Lees meer

We present new observations from CHEOPS (CHaracterising ExOPlanet Satellite) and TESS (Transiting Exoplanet Survey Satellite) to clarify the architecture of the planetary system hosted by the old Galactic thick disc…

Authors: Piotto, Zingales, Borsato, Egger, Correia, Simon, Florén, Sousa, Maxted, Nardiello, Malavolta, Wilson, Alibert, Adibekyan, Bonfanti, Luque, Santos, Hooton, Fossati, Smith, Salmon, Lacedelli, Alonso, Bárczy, Barrado Navascues, Barros, Baumjohann, Beck, Benz,…

Bibcode: 2024MNRAS.535.2763P

DOI: 10.1093/mnras/stae2440

DOI 2: 10.48550/arXiv.2410.18169

Lees meer

Context. Hot Jupiters are giant planets subject to intense stellar radiation. The physical and chemical properties of their atmosphere make them the most amenable targets for atmospheric characterization. Aims. In…

Authors: Scandariato, Carone, Cubillos, Maxted, Zingales, Günther, Heitzmann, Lendl, Wilson, Bonfanti, Bruno, Krenn, Meier Valdes, Singh, Swayne, Alibert, Alonso, Bárczy, Barrado Navascues, Barros, Baumjohann, Benz, Billot, Borsato, Brandeker, Broeg, Buder, Busch,…

Bibcode: 2024A&A...692A.129S

DOI: 10.1051/0004-6361/202451049

DOI 2: 10.48550/arXiv.2409.16268

Lees meer

Over-ionized, recombining plasma is an emerging class of X-ray bright supernova remnants (SNRs). This unique thermal state, where the ionization temperature ($T_{rm z}$) is significantly higher than the electron temperature…

Authors: Sawada, Gu, Yamazaki

Bibcode: 2024PASJ...76.1158S

DOI: 10.1093/pasj/psae077

DOI 2: 10.48550/arXiv.2405.14937

Lees meer

The X-ray binary system Cygnus X-3 (4U 2030+40, V1521 Cyg) is luminous but enigmatic owing to the high intervening absorption. High-resolution X-ray spectroscopy uniquely probes the dynamics of the photoionized…

Authors: Xrism Collaboration, Audard, Awaki, Ballhausen, Bamba, Behar, Boissay-Malaquin, Brenneman, Brown, Corrales, Costantini, Cumbee, Díaz Trigo, Done, Dotani, Ebisawa, Eckart, Eckert, Eguchi, Enoto, Ezoe, Foster, Fujimoto, Fujita, Fukazawa, Fukushima, Furuzawa, Gallo,…

Bibcode: 2024ApJ...977L..34X

DOI: 10.3847/2041-8213/ad8ed0

DOI 2: 10.48550/arXiv.2411.00597

Lees meer

Context. The increased brightness temperature of young rocky protoplanets during their magma ocean epoch makes them potentially amenable to atmospheric characterization at distances from the Solar System far greater than…

Authors: Cesario, Lichtenberg, Alei, Carrión-González, Dannert, Defrère, Ertel, Fortier, García Muñoz, Glauser, Hansen, Helled, Huber, Ireland, Kammerer, Laugier, Lillo-Box, Menti, Meyer, Noack, Quanz, Quirrenbach, Rugheimer, van der Tak, Wang, Anger, Balsalobre-Ruza,…

Bibcode: 2024A&A...692A.172C

DOI: 10.1051/0004-6361/202450764

DOI 2: 10.48550/arXiv.2410.13457

Lees meer

Context. Globular clusters (GCs) are among the oldest stellar systems in the universe. As such, GC populations are valuable fossil tracers of galaxy formation and interaction history. This paper is…

Authors: Mirabile, Cantiello, Lonare, Ragusa, Paolillo, Hazra, La Marca, Iodice, Spavone, Mieske, Rejkuba, Hilker, Riccio, Habas, Brocato, Schipani, Grado, Limatola

Bibcode: 2024A&A...691A.104M

DOI: 10.1051/0004-6361/202451273

DOI 2: 10.48550/arXiv.2407.21620

Lees meer

Context. Clouds are ubiquitous in exoplanets’ atmospheres and play an important role in setting the opacity and chemical inventory of the atmosphere. Understanding clouds is a critical step in interpreting…

Authors: Huang, Ormel, Min

Bibcode: 2024A&A...691A.291H

DOI: 10.1051/0004-6361/202451112

DOI 2: 10.48550/arXiv.2409.18181

Lees meer

Context. The inner disk of the young star PDS 70 may be a site of rocky planet formation, with two giant planets detected further out. Recently, James Webb Space Telescope/Mid-Infrared…

Authors: Jang, Waters, Kaeufer, Tamanai, Perotti, Christiaens, Kamp, Henning, Min, Arabhavi, Barrado, van Dishoeck, Gasman, Grant, Güdel, Lagage, Lahuis, Schwarz, Tabone, Temmink

Bibcode: 2024A&A...691A.148J

DOI: 10.1051/0004-6361/202451589

DOI 2: 10.48550/arXiv.2408.16367

Lees meer

We report the discovery and validation of HD 21520 b, a transiting planet found with Transiting Exoplanet Survey Satellite and orbiting a bright G dwarf (V = 9.2, $T_{rm eff}…

Authors: Nies, Mireles, Bouchy, Dragomir, Nicholson, Eisner, Sousa, Collins, Howell, Ziegler, Hellier, Addison, Ballard, Bowler, Briceño, Clark, Conti, Dumusque, Edwards, Gnilka, Hobson, Horner, Kane, Kielkopf, Lavie, Law, Lendl, Littlefield, Liu, Mann,…

Bibcode: 2024MNRAS.534.3744N

DOI: 10.1093/mnras/stae2079

DOI 2: 10.48550/arXiv.2406.09595

Lees meer

We report on the broadband spectral and timing properties of the accreting millisecond X-ray pulsar IGR J17498‑2921 during its April 2023 outburst. We used data from NICER (1–10 keV), NuSTAR…

Authors: Li, Kuiper, Pan, Falanga, Poutanen, Chen, Xu, Ge, Huang, Song, Zhang, Lu, Zhang

Bibcode: 2024A&A...691A..92L

DOI: 10.1051/0004-6361/202451260

DOI 2: 10.48550/arXiv.2408.12786

Lees meer

We give an overview of the science objectives and mission design of the “Spectroscopic Time-Resolving Observatory for Broadband Energy X-rays” observatory, which has been proposed as a NASA probe-class (∼$1.5B)…

Authors: Ray, Roming, Argan, Arzoumanian, Ballantyne, Bogdanov, Bonvicini, Brandt, Bursa, Cackett, Chakrabarty, Christophersen, Coderre, De Geronimo, Monte, DeRosa, Dietz, Evangelista, Feroci, Ford, Froning, Fryer, Gendreau, Goldstein, Gonzalez, Hartmann, Hernanz, Hutcheson, in't…

Bibcode: 2024JATIS..10d2504R

DOI: 10.1117/1.JATIS.10.4.042504

Lees meer

Aims. Galaxy mergers represent a fundamental physical process under hierarchical structure formation, but their role in triggering active galactic nuclei (AGNs) is still unclear. We aim to investigate the merger-AGN…

Authors: La Marca, Margalef-Bentabol, Wang, Gao, Goulding, Martin, Rodriguez-Gomez, Trager, Yang, Davé, Dubois

Bibcode: 2024A&A...690A.326L

DOI: 10.1051/0004-6361/202348188

DOI 2: 10.48550/arXiv.2407.18238

Lees meer

The X-ray Integral Field Unit (X-IFU) is an instrument of European Space Agency’s future NewAthena space observatory, with the goal to provide high-energy resolution (<4 eV at X-ray energies up…

Authors: Vaccaro, van der Kuur, van der Hulst, Vos, de Wit, Gottardi, Ravensberg, Taralli, Adams, Bandler, Bennett, Chervenak, Doriese, Durkin, Gard, Reintsema, Sakai, Smith, Ullom, Wakeham, den Herder, Jackson, Khosropanah, Gao,…

Bibcode: 2024JATIS..10d6002V

DOI: 10.1117/1.JATIS.10.4.046002

DOI 2: 10.48550/arXiv.2409.05643

Lees meer

The Single Aperture Large Telescope for Universe Studies (SALTUS) is a far-infrared space mission concept with unprecedented spatial and spectral resolution. SALTUS consists of a 14-m inflatable primary, providing 16×…

Authors: Schwarz, Tielens, Najita, Bergner, Kral, Anderson, Chin, Leisawitz, Wilner, Roelfsema, van der Tak, Young, Walker

Bibcode: 2024JATIS..10d2307S

DOI: 10.1117/1.JATIS.10.4.042307

DOI 2: 10.48550/arXiv.2407.13430

Lees meer

Context. Recent spectra of protoplanetary disks around very low-mass stars (VLMS), captured by the Mid-InfraRed Instrument (MIRI) on board the James Webb Space Telescope (JWST), reveal a rich carbon chemistry.…

Authors: Kaeufer, Woitke, Kamp, Kanwar, Min

Bibcode: 2024A&A...690A.100K

DOI: 10.1051/0004-6361/202450891

DOI 2: 10.48550/arXiv.2408.06077

Lees meer

The planetary system K2-24 is composed of two transiting low-density Neptunians locked in an almost perfect 2:1 resonance and showing large transit time variations (TTVs), and it is an excellent…

Authors: Nascimbeni, Borsato, Leonardi, Sousa, Wilson, Fortier, Heitzmann, Mantovan, Luque, Zingales, Piotto, Alibert, Alonso, Bárczy, Barrado Navascues, Barros, Baumjohann, Beck, Benz, Billot, Biondi, Brandeker, Broeg, Busch, Collier Cameron, Correia, Csizmadia, Cubillos,…

Bibcode: 2024A&A...690A.349N

DOI: 10.1051/0004-6361/202450852

DOI 2: 10.48550/arXiv.2409.02995

Lees meer

Context. The possibility of observing spectral features in exoplanet atmospheres with space missions like the James Webb Space Telescope (JWST) and Atmospheric Remote-sensing Infrared Exoplanet Large-survey (ARIEL) necessitates the accurate…

Authors: Kiefer, Samra, Lewis, Schneider, Min, Carone, Decin, Helling

Bibcode: 2024A&A...690A.244K

DOI: 10.1051/0004-6361/202450526

DOI 2: 10.48550/arXiv.2409.01121

Lees meer

With sizable volatile envelopes but smaller radii than the solar system ice giants, sub-Neptunes have been revealed as one of the most common types of planet in the galaxy. While…

Authors: Piaulet-Ghorayeb, Benneke, Radica, Raul, Coulombe, Ahrer, Kubyshkina, Howard, Krissansen-Totton, MacDonald, Roy, Louca, Christie, Fournier-Tondreau, Allart, Miguel, Schlichting, Welbanks, Cadieux, Dorn, Evans-Soma, Fortney, Pierrehumbert, Lafrenière, Acuña, Komacek, Innes, Beatty, Cloutier, Doyon,…

Bibcode: 2024ApJ...974L..10P

DOI: 10.3847/2041-8213/ad6f00

DOI 2: 10.48550/arXiv.2410.03527

Lees meer

Galaxy clusters are unique laboratories for studying astrophysical processes and their impact on halo gas kinematics. Despite their importance, the full complexity of gas motion within and around these clusters…

Authors: Ayromlou, Nelson, Pillepich, Rohr, Truong, Li, Simionescu, Lehle, Lee

Bibcode: 2024A&A...690A..20A

DOI: 10.1051/0004-6361/202348612

DOI 2: 10.48550/arXiv.2311.06339

Lees meer

The wide-field monitor (WFM) is one of the three instruments on the “Spectroscopic Time-Resolving Observatory for Broadband Energy X-rays” (STROBE-X) mission, which was proposed in response to the National Aeronautics…

Authors: Remillard, Hernanz, Zand, Ray, Bonvicini, Brandt, Brandt, Carmona, Evangelista, Franco, Froning, Galvez, De Geronimo, Grim, Kalemci, Kuiper, Kuvvetli, Maccarone, Nowosielski, Pasham, Patruno, Persyn, Roming, Santangelo, Schanne, Tenzer, Wilson-Hodge, Zampa, Zwart

Bibcode: 2024JATIS..10d2505R

DOI: 10.1117/1.JATIS.10.4.042505

DOI 2: 10.48550/arXiv.2410.12015

Lees meer

Context. Investigating the flow of material along filamentary structures towards the central core can help provide insights into high-mass star formation and evolution. Aims. Our main motivation is to answer…

Authors: Wells, Beuther, Molinari, Schilke, Battersby, Ho, Sánchez-Monge, Jones, Scheuck, Syed, Gieser, Kuiper, Elia, Coletta, Traficante, Wallace, Rigby, Klessen, Zhang, Walch, Beltrán, Tang, Fuller, Lis, Möller, van der Tak, Klaassen, Clarke,…

Bibcode: 2024A&A...690A.185W

DOI: 10.1051/0004-6361/202449794

DOI 2: 10.48550/arXiv.2408.08299

Lees meer

The way pulsars spin down is not understood in detail, but a number of possible physical mechanisms produce a spin-down rate that scales as a power of the rotation rate…

Authors: Espinoza, Kuiper, Ho, Antonopoulou, Arzoumanian, Harding, Ray, Younes

Bibcode: 2024ApJ...973L..39E

DOI: 10.3847/2041-8213/ad778c

DOI 2: 10.48550/arXiv.2409.10759

Lees meer

Context. Cluster mergers are the most energetic events, releasing kinetic energies of up to 1064 erg and involving megaparsec(Mpc)-scale shocks in their intra-cluster medium (ICM). In merging clusters, cold fronts…

Authors: Omiya, Nakazawa, Tamura, Akamatsu, Matsushita, Okabe, Sato, Fujita, Gu, Simionescu, Ichinohe, Riseley, Akahori, Ito, Sakai, Kurahara

Bibcode: 2024A&A...689A.173O

DOI: 10.1051/0004-6361/202449992

DOI 2: 10.48550/arXiv.2403.10150

Lees meer

The Euclid mission is expected to image millions of galaxies at high resolution, providing an extensive dataset with which to study galaxy evolution. Because galaxy morphology is both a fundamental…

Authors: Euclid Collaboration, Aussel, Kruk, Walmsley, Huertas-Company, Castellano, Conselice, Delli Veneri, Domínguez Sánchez, Duc, Knapen, Kuchner, La Marca, Margalef-Bentabol, Marleau, Stevens, Toba, Tortora, Wang, Aghanim, Altieri, Amara, Andreon, Auricchio, Baldi, Bardelli,…

Bibcode: 2024A&A...689A.274E

DOI: 10.1051/0004-6361/202449609

DOI 2: 10.48550/arXiv.2402.10187

Lees meer

We present an analysis of the first two XRISM/Resolve spectra of the well-known Seyfert-1.5 active galactic nucleus (AGN) in NGC 4151, obtained in 2023 December. Our work focuses on the…

Authors: Xrism Collaboration, Audard, Awaki, Ballhausen, Bamba, Behar, Boissay-Malaquin, Brenneman, Brown, Corrales, Costantini, Cumbee, Diaz Trigo, Done, Dotani, Ebisawa, Eckart, Eckert, Enoto, Eguchi, Ezoe, Foster, Fujimoto, Fujita, Fukazawa, Fukushima, Furuzawa, Gallo,…

Bibcode: 2024ApJ...973L..25X

DOI: 10.3847/2041-8213/ad7397

DOI 2: 10.48550/arXiv.2408.14300

Lees meer

In this paper, we analyse the light distribution in the Hydra I cluster of galaxies to explore their low surface brightness features, measure the intra-cluster light, and address the assembly…

Authors: Spavone, Iodice, Lohmann, Arnaboldi, Hilker, La Marca, Calvi, Cantiello, Corsini, D'Ago, Forbes, Mirabile, Rejkuba

Bibcode: 2024A&A...689A.306S

DOI: 10.1051/0004-6361/202451346

DOI 2: 10.48550/arXiv.2408.01501

Lees meer

The LHS 6343 system consists of a resolved M-dwarf binary with an evolved, negligibly irradiated brown dwarf (BD), LHS 6343 C, orbiting the primary star. Such BD eclipsing binaries present…

Authors: Frost, Albert, Doyon, Gagné, Montet, Fontanive, Artigau, Johnson, Edwards, Benneke

Bibcode: 2024ApJ...972..199F

DOI: 10.3847/1538-4357/ad5da7

DOI 2: 10.48550/arXiv.2408.05173

Lees meer

Context. Among the thousands of exoplanets discovered to date, approximately a few hundred gas giants on short-period orbits are classified as ‘lonely’ and only a few are in a multi-planet…

Authors: Borsato, Degen, Leleu, Hooton, Egger, Bekkelien, Brandeker, Collier Cameron, Günther, Nascimbeni, Persson, Bonfanti, Wilson, Correia, Zingales, Guillot, Triaud, Piotto, Gandolfi, Abe, Alibert, Alonso, Bárczy, Navascues, Barros, Baumjohann, Beck, Bendjoya, Benz,…

Bibcode: 2024A&A...689A..52B

DOI: 10.1051/0004-6361/202450974

DOI 2: 10.48550/arXiv.2407.06097

Lees meer

The high-energy radiative output, from the X-ray to the ultraviolet, of exoplanet host stars drives photochemical reactions and mass loss in the upper regions of planetary atmospheres. In order to…

Authors: Diamond-Lowe, King, Youngblood, Brown, Howard, Winters, Wilson, France, Mendonça, Buchhave, Corrales, Kreidberg, Medina, Bean, Berta-Thompson, Evans-Soma, Froning, Duvvuri, Kempton, Miguel, Pineda, Schneider

Bibcode: 2024A&A...689A..48D

DOI: 10.1051/0004-6361/202450107

DOI 2: 10.48550/arXiv.2407.00165

Lees meer

Context. The TOI-178 system consists of a nearby, late-K-dwarf with six transiting planets in the super-Earth to mini-Neptune regime, with radii ranging from to 2.9 R⊕ and orbital periods between…

Authors: Leleu, Delisle, Delrez, Bryant, Brandeker, Osborn, Hara, Wilson, Billot, Lendl, Ehrenreich, Chakraborty, Günther, Hooton, Alibert, Alonso, Alves, Anderson, Apergis, Armstrong, Bárczy, Barrado Navascues, Barros, Battley, Baumjohann, Bayliss, Beck, Benz, Borsato,…

Bibcode: 2024A&A...688A.211L

DOI: 10.1051/0004-6361/202450212

DOI 2: 10.48550/arXiv.2405.13732

Lees meer

Multiplanetary systems spanning the radius valley are ideal testing grounds for exploring the different proposed explanations for the observed bimodality in the radius distribution of close-in exoplanets. One such system…

Authors: Egger, Osborn, Kubyshkina, Mordasini, Alibert, Günther, Lendl, Brandeker, Heitzmann, Leleu, Damasso, Bonfanti, Wilson, Sousa, Haldemann, Delrez, Hooton, Zingales, Luque, Alonso, Asquier, Bárczy, Navascues, Barros, Baumjohann, Benz, Billot, Borsato, Broeg, Buder,…

Bibcode: 2024A&A...688A.223E

DOI: 10.1051/0004-6361/202450472

DOI 2: 10.48550/arXiv.2406.18653

Lees meer

Context. Single-dish far-infrared (far-IR) and sub-millimetre (sub-mm) point source catalogues and their connections with galaxy catalogues at other wavelengths are of paramount importance to studying galaxy evolution. However, due to…

Authors: Wang, La Marca, Gao, Pearson, Margalef-Bentabol, Béthermin, Bing, Donnellan, Hurley, Oliver, Hale, Jarvis, Marchetti, Vaccari, Whittam

Bibcode: 2024A&A...688A..20W

DOI: 10.1051/0004-6361/202349055

DOI 2: 10.48550/arXiv.2405.18290

Lees meer

Context. The MIRI instrument on board the James Webb Space Telescope probes the chemistry and dust mineralogy of the inner regions of protoplanetary disks. The observed spectra are unprecedented in…

Authors: Kaeufer, Min, Woitke, Kamp, Arabhavi

Bibcode: 2024A&A...687A.209K

DOI: 10.1051/0004-6361/202449936

DOI 2: 10.48550/arXiv.2405.06486

Lees meer

We extend our recent work on black hole spin in X-ray binary systems to include an analysis of 189 archival NuSTAR observations from 24 sources. Using self-consistent data reduction pipelines,…

Authors: Draghis, Miller, Costantini, Gallo, Reynolds, Tomsick, Zoghbi

Bibcode: 2024ApJ...969...40D

DOI: 10.3847/1538-4357/ad43ea

DOI 2: 10.48550/arXiv.2311.16225

Lees meer

Context. Pulsars are detected over the whole electromagnetic spectrum, from radio wavelengths up to very high energies, in the GeV-TeV range. While the radio emission site for young pulsars is…

Authors: Pétri, Guillot, Guillemot, Mitra, Kerr, Kuiper, Cognard, Theureau

Bibcode: 2024A&A...687L..13P

DOI: 10.1051/0004-6361/202450538

DOI 2: 10.48550/arXiv.2406.01244

Lees meer

Aims: Various galaxy merger detection methods have been applied to diverse datasets. However, it is difficult to understand how they compare. Our aim is to benchmark the relative performance of…

Authors: Margalef-Bentabol, Wang, La Marca, Blanco-Prieto, Chudy, Domínguez-Sánchez, Goulding, Guzmán-Ortega, Huertas-Company, Martin, Pearson, Rodriguez-Gomez, Walmsley, Bickley, Bottrell, Conselice, O'Ryan

Bibcode: 2024A&A...687A..24M

DOI: 10.1051/0004-6361/202348239

DOI 2: 10.48550/arXiv.2403.15118

Lees meer

The detection of blueshifted absorption lines likely associated with ionized iron K-shell transitions in the X-ray spectra of many active galactic nuclei (AGNs) suggests the presence of a highly ionized…

Authors: Gianolli, Bianchi, Petrucci, Brusa, Chartas, Lanzuisi, Matzeu, Parra, Ursini, Behar, Bischetti, Comastri, Costantini, Cresci, Dadina, De Marco, De Rosa, Fiore, Gaspari, Gilli, Giustini, Guainazzi, King, Kraemer, Kriss, Krongold, La Franca,…

Bibcode: 2024A&A...687A.235G

DOI: 10.1051/0004-6361/202348908

DOI 2: 10.48550/arXiv.2403.09538

Lees meer

HIP 41378 d is a long-period planet that has only been observed to transit twice, three years apart, with K2. According to stability considerations and a partial detection of the…

Authors: Sulis, Borsato, Grouffal, Osborn, Santerne, Brandeker, Günther, Heitzmann, Lendl, Fridlund, Gandolfi, Alibert, Alonso, Bárczy, Barrado Navascues, Barros, Baumjohann, Beck, Benz, Bergomi, Billot, Bonfanti, Broeg, Collier Cameron, Corral van Damme, Correia,…

Bibcode: 2024A&A...686L..18S

DOI: 10.1051/0004-6361/202449689

DOI 2: 10.48550/arXiv.2405.20077

Lees meer

Characterizing rocky exoplanets is a central aim of astronomy, and yet the search for atmospheres on rocky exoplanets has so far resulted in either tight upper limits on the atmospheric…

Authors: Hu, Bello-Arufe, Zhang, Paragas, Zilinskas, van Buchem, Bess, Patel, Ito, Damiano, Scheucher, Oza, Knutson, Miguel, Dragomir, Brandeker, Demory

Bibcode: 2024Natur.630..609H

DOI: 10.1038/s41586-024-07432-x

DOI 2: 10.48550/arXiv.2405.04744

Lees meer

High-resolution spectroscopy in soft X-rays will open a new window to map multiphase gas in galaxy clusters and probe physics of the intracluster medium (ICM), including chemical enrichment histories, circulation…

Authors: Zhang, Zhuravleva, Markevitch, ZuHone, Mernier, Biffi, Bogdán, Chakraborty, Churazov, Dolag, Ettori, Forman, Hernquist, Jones, Khabibullin, Kilbourne, Kraft, Lau, Lin, Nagai, Nelson, Ogorzałek, Rasia, Sarkar, Simionescu, Su, Vogelsberger, Walker

Bibcode: 2024MNRAS.530.4234Z

DOI: 10.1093/mnras/stae1022

DOI 2: 10.48550/arXiv.2310.02225

Lees meer

The analysis of X rays observations from the active galactic nuclei is a good tool to study the properties of the supermassive black hole, the physics of the accretion disk…

Authors: Kalli, Zoghbi, Costantini

Bibcode: 2024PhyS...99f5041K

DOI: 10.1088/1402-4896/ad48c6

Lees meer

Aims: We present an analysis of the Hubble Space Telescope Cosmic Origins Spectrograph spectrum of I Zw 1 aiming to probe the absorbing medium associated with the active galactic nucleus…

Authors: Juráňová, Costantini, Kriss, Mehdipour, Brandt, Di Gesu, Fabian, Gallo, Giustini, Rogantini, Wilkins

Bibcode: 2024A&A...686A..99J

DOI: 10.1051/0004-6361/202449544

DOI 2: 10.48550/arXiv.2404.10060

Lees meer

At SRON, we have been developing X-ray TES micro-calorimeters as backup technology for the X-ray Integral Field Unit (X-IFU) of the Athena mission, demonstrating excellent resolving powers both under DC…

Authors: Vaccaro, Akamatsu, Gottardi, de Wit, Bruijn, van der Kuur, Nagayoshi, Taralli, Ravensberg, Gao, den Herder

Bibcode: 2024JLTP..tmp..143V

DOI: 10.1007/s10909-024-03099-w

DOI 2: 10.48550/arXiv.2403.02989

Lees meer

Cool gaseous exoplanets (1.75 R⊕ < Rp < 3 RJ, 200 K <Teq < 1000 K) are an as-yet understudied population, with great potential to expand our understanding of planetary…

Authors: Booth, Sarkar, Griffin, Edwards

Bibcode: 2024MNRAS.530.2166B

DOI: 10.1093/mnras/stae461

DOI 2: 10.48550/arXiv.2402.06488

Lees meer

SRON (Netherlands Institute for Space Research) is developing the focal plane assembly (FPA) for Athena X-IFU, whose demonstration model (DM) will use for the first time a time domain multiplexing…

Authors: Vaccaro, de Wit, van der Kuur, Gottardi, Ravensberg, Taralli, Adams, Bandler, Chervenak, Doriese, Durkin, Reintsema, Sakai, Smith, Wakeham, Jackson, Khosropanah, Gao, den Herder, Roelfsema

Bibcode: 2024JLTP..215..225V

DOI: 10.1007/s10909-024-03088-z

DOI 2: 10.48550/arXiv.2403.02978

Lees meer

In this study, we investigate interstellar absorption lines along the line of sight toward the galactic low-mass X-ray binary Cygnus X-2. We combine absorption line data obtained from high-resolution X-ray…

Authors: Psaradaki, Corrales, Werk, Jensen, Costantini, Mehdipour, Cilley, Schulz, Kaastra, García, Valencic, Kallman, Paerels

Bibcode: 2024AJ....167..217P

DOI: 10.3847/1538-3881/ad306b

DOI 2: 10.48550/arXiv.2403.02664

Lees meer

Context. The inner regions of protoplanetary disks are believed to be the primary locations of planet formation and the processes that influence the global evolution of the disk, such as…

Authors: Rota, Meijerhof, van der Marel, Francis, van der Tak, Sellek

Bibcode: 2024A&A...684A.134R

DOI: 10.1051/0004-6361/202348387

DOI 2: 10.48550/arXiv.2401.05798

Lees meer

Galaxy morphology is a powerful diagnostic to assess the realism of cosmological hydrodynamical simulations. Determining the morphology of simulated galaxies requires the generation of synthetic images through 3D radiative transfer…

Authors: Baes, Gebek, Trčka, Camps, van der Wel, Abdurro'uf, Andreadis, Tulu, Emana, Fritz, Kelly, Kovačić, La Marca, Martorano, Mosenkov, Nersesian, Rodriguez-Gomez, Tortora, Vander Meulen, Wang

Bibcode: 2024A&A...683A.181B

DOI: 10.1051/0004-6361/202348418

DOI 2: 10.48550/arXiv.2401.04224

Lees meer

Galaxy sizes correlate with many other important properties of galaxies, and the cosmic evolution of galaxy sizes is an important observational diagnostic for constraining galaxy evolution models. The effective radius…

Authors: Baes, Mosenkov, Kelly, Abdurro'uf, Andreadis, Bokona Tulu, Camps, Tassama Emana, Fritz, Gebek, Kovačić, La Marca, Martorano, Nersesian, Rodriguez-Gomez, Tortora, Trčka, Vander Meulen, van der Wel, Wang

Bibcode: 2024A&A...683A.182B

DOI: 10.1051/0004-6361/202348419

DOI 2: 10.48550/arXiv.2401.04225

Lees meer

Stellar coronal sources have been observed in the past not only for their astrophysical interest in the field of binary system evolution and interaction but also for their invaluable roles…

Authors: Bozzo, Huenemoerder, Falanga, Paltani, Costantini, de Plaa, Gu

Bibcode: 2024MNRAS.528.4591B

DOI: 10.1093/mnras/stae275

DOI 2: 10.48550/arXiv.2401.13290

Lees meer

We present a comprehensive analysis of the Hubble Space Telescope observations of the atmosphere of WASP-121 b, an ultra-hot Jupiter. After reducing the transit, eclipse, and phase-curve observations with a…

Authors: Changeat, Skinner, Cho, Nättilä, Waldmann, Al-Refaie, Dyrek, Edwards, Mikal-Evans, Joshua, Morello, Skaf, Tsiaras, Venot, Yip

Bibcode: 2024ApJS..270...34C

DOI: 10.3847/1538-4365/ad1191

DOI 2: 10.48550/arXiv.2401.01465

Lees meer

We present a comprehensive atmospheric retrieval study of the hot Jupiter WASP-77A b using eclipse observations from the Hubble Space Telescope (HST) and JWST. Using atmospheric retrievals, the spectral features…

Authors: Edwards, Changeat

Bibcode: 2024ApJ...962L..30E

DOI: 10.3847/2041-8213/ad2000

DOI 2: 10.48550/arXiv.2402.18574

Lees meer

The recent inference of sulfur dioxide (SO2) in the atmosphere of the hot (approximately 1,100 K), Saturn-mass exoplanet WASP-39b from near-infrared JWST observations1-3 suggests that photochemistry is a key process…

Authors: Powell, Feinstein, Lee, Zhang, Tsai, Taylor, Kirk, Bell, Barstow, Gao, Bean, Blecic, Chubb, Crossfield, Jordan, Kitzmann, Moran, Morello, Moses, Welbanks, Yang, Zhang, Ahrer, Bello-Arufe, Brande, Casewell, Crouzet, Cubillos, Demory, Dyrek,…

Bibcode: 2024Natur.626..979P

DOI: 10.1038/s41586-024-07040-9

DOI 2: 10.48550/arXiv.2407.07965

Lees meer

Multiwavelength spectroscopy of NGC 5548 revealed remarkable changes due to the presence of an obscuring wind from the accretion disk. This broadened our understanding of obscuration and outflows in active…

Authors: Mehdipour, Kriss, Kaastra, Costantini, Gu, Landt, Mao, Rogantini

Bibcode: 2024ApJ...962..155M

DOI: 10.3847/1538-4357/ad1bcb

DOI 2: 10.48550/arXiv.2401.03019

Lees meer

We report on a detailed spatial and spectral analysis of the large-scale X-ray emission from the merging cluster Cygnus A. We use 2.2 Ms Chandra and 40 ks XMM-Newton archival…

Authors: Majumder, Wise, Simionescu, de Vries

Bibcode: 2024MNRAS.528.1037M

DOI: 10.1093/mnras/stae063

DOI 2: 10.48550/arXiv.2401.02912

Lees meer

The Trans-Iron Galactic Element Recorder (TIGER) family of instruments is optimized to measure the relative abundances of the rare, ultra-heavy galactic cosmic rays (UHGCRs) with atomic number (Z) Z ≥…

Authors: Rauch, Zober, Abarr, Akaike, Binns, Borda, Bose, Brandt, Braun, Buckley, Cannady, Coutu, Crabill, Dowkontt, Israel, Kandula, Krizmanic, Labrador, Labrador, Lisalda, Martins, McPherson, Mewaldt, Mitchell, Mitchell, Mognet, Murphy, de Nolfo, Nutter,…

Bibcode: 2024Instr...8....4R

DOI: 10.3390/instruments8010004

Lees meer

We present a study S K-edge using high-resolution HETGS Chandra spectra of 36 low-mass X-ray binaries. For each source, we have estimated column densities for S I, S II, S…

Authors: Gatuzz, Gorczyca, Hasoglu, Costantini, García, Kallman

Bibcode: 2024MNRAS.527.1648G

DOI: 10.1093/mnras/stad3231

DOI 2: 10.48550/arXiv.2310.11498

Lees meer

Aims: In order to shed light on the characteristics of the broad line region (BLR) in a narrow-line Seyfert 1 galaxy, we present an analysis of X-ray, UV, and optical…

Authors: Juráňová, Costantini, Di Gesu, Ebrero, Kaastra, Korista, Kriss, Mehdipour, Piconcelli, Rogantini

Bibcode: 2024A&A...681A.101J

DOI: 10.1051/0004-6361/202348067

DOI 2: 10.48550/arXiv.2311.03459

Lees meer

The warm-hot plasma in cosmic web filaments is thought to comprise a large fraction of the gas in the local Universe. So far, the search for this gas has focused…

Authors: Štofanová, Simionescu, Wijers, Schaye, Kaastra, Bahé, Arámburo-García

Bibcode: 2024MNRAS.527.5776S

DOI: 10.1093/mnras/stad3554

DOI 2: 10.48550/arXiv.2311.10062

Lees meer

The study of jet-inflated X-ray cavities provides a powerful insight into the energetics of hot galactic atmospheres and radio-mechanical AGN feedback. By estimating the volumes of X-ray cavities, the total…

Authors: Plšek, Werner, Topinka, Simionescu

Bibcode: 2024MNRAS.527.3315P

DOI: 10.1093/mnras/stad3371

DOI 2: 10.48550/arXiv.2304.05457

Lees meer

Context. Interpreting the observations of exoplanet atmospheres to constrain physical and chemical properties is typically done using Bayesian retrieval techniques. Since these methods require many model computations, a compromise must…

Authors: Ardévol Martínez, Min, Huppenkothen, Kamp, Palmer

Bibcode: 2024A&A...681L..14A

DOI: 10.1051/0004-6361/202348367

DOI 2: 10.48550/arXiv.2401.04168

Lees meer

Context. The analysis of the mid-infrared spectra helps understanding the composition of the gas in the inner, dense and warm terrestrial planet forming region of disks around young stars. ALMA…

Authors: Kanwar, Kamp, Woitke, Rab, Thi, Min

Bibcode: 2024A&A...681A..22K

DOI: 10.1051/0004-6361/202346262

DOI 2: 10.48550/arXiv.2310.04505

Lees meer

The two-planet transiting system LHS 1140 has been extensively observed since its discovery in 2017, notably with Spitzer, HST, TESS, and ESPRESSO, placing strong constraints on the parameters of the…

Authors: Cadieux, Plotnykov, Doyon, Valencia, Jahandar, Dang, Turbet, Fauchez, Cloutier, Cherubim, Artigau, Cook, Edwards, Hallatt, Charnay, Bouchy, Allart, Mignon, Baron, Barros, Benneke, Canto Martins, Cowan, De Medeiros, Delfosse, Delgado-Mena, Dumusque, Ehrenreich,…

Bibcode: 2024ApJ...960L...3C

DOI: 10.3847/2041-8213/ad1691

DOI 2: 10.48550/arXiv.2310.15490

Lees meer

WASP-107b is a warm (approximately 740 K) transiting planet with a Neptune-like mass of roughly 30.5 M⊕ and Jupiter-like radius of about 0.94 RJ (refs. 1,2), whose extended atmosphere is…

Authors: Dyrek, Min, Decin, Bouwman, Crouzet, Mollière, Lagage, Konings, Tremblin, Güdel, Pye, Waters, Henning, Vandenbussche, Ardevol Martinez, Argyriou, Ducrot, Heinke, van Looveren, Absil, Barrado, Baudoz, Boccaletti, Cossou, Coulais, Edwards, Gastaud, Glasse,…

Bibcode: 2024Natur.625...51D

DOI: 10.1038/s41586-023-06849-0

DOI 2: 10.48550/arXiv.2311.12515

Lees meer

The study of exoplanetary atmospheres with low-resolution transmission spectroscopy relies on measuring minute changes in the transit depth with wavelength and a number of ground- and space-based instruments have been…

Authors: Edwards, Tsiaras, Changeat, Yip

Bibcode: 2024RASTI...3..415E

DOI: 10.1093/rasti/rzae023

Lees meer

We report the discovery of two mini-Neptunes in near 2:1 resonance orbits (P = 7.610303 d for HIP 113103 b and P = 14.245651 d for HIP 113103 c) around…

Authors: Lowson, Zhou, Huang, Wright, Edwards, Nabbie, Venner, Quinn, Collins, Gillen, Battley, Triaud, Hellier, Seager, Winn, Jenkins, Wohler, Shporer, Schwarz, Murgas, Pallé, Anderson, West, Wittenmyer, Bowler, Horner, Kane, Kielkopf, Plavchan, Zhang,…

Bibcode: 2024MNRAS.527.1146L

DOI: 10.1093/mnras/stad2756

DOI 2: 10.48550/arXiv.2309.04137

Lees meer

Context. Reconciling models of Jupiter’s interior with measurements of the atmospheric composition still poses a significant challenge. Interior models favour a subsolar or solar abundance of heavy elements, Z, whereas…

Authors: Howard, Guillot, Markham, Helled, Müller, Stevenson, Lunine, Miguel, Nettelmann

Bibcode: 2023A&A...680L...2H

DOI: 10.1051/0004-6361/202348129

DOI 2: 10.48550/arXiv.2311.07646

Lees meer

The role of massive (≥ 8$, {rm M}_{odot }$) stars in defining the energy budget and chemical enrichment of the interstellar medium in their host galaxy is significant. In this…

Authors: Avison, Fuller, Frimpong, Etoka, Hoare, Jones, Peretto, Traficante, van der Tak, Pineda, Beltrán, Wyrowski, Thompson, Lumsden, Nagy, Hill, Viti, Fontani, Schilke

Bibcode: 2023MNRAS.526.2278A

DOI: 10.1093/mnras/stad2824

DOI 2: 10.48550/arXiv.2309.05772

Lees meer

We explore the prospects for Twinkle to determine the atmospheric composition of the nearby terrestrial-like planet LTT 1445 Ab, including the possibility of detecting the potential biosignature ammonia (NH3). At…

Authors: Phillips, Wang, Edwards, Rodríguez Martínez, Asnodkar, Gaudi

Bibcode: 2023MNRAS.526.2251P

DOI: 10.1093/mnras/stad2822

DOI 2: 10.48550/arXiv.2209.12919

Lees meer

Brown dwarfs serve as ideal laboratories for studying the atmospheres of giant exoplanets on wide orbits, as the governing physical and chemical processes within them are nearly identical1,2. Understanding the…

Authors: Barrado, Mollière, Patapis, Min, Tremblin, Ardevol Martinez, Whiteford, Vasist, Argyriou, Samland, Lagage, Decin, Waters, Henning, Morales-Calderón, Guedel, Vandenbussche, Absil, Baudoz, Boccaletti, Bouwman, Cossou, Coulais, Crouzet, Gastaud, Glasse, Glauser, Kamp, Kendrew,…

Bibcode: 2023Natur.624..263B

DOI: 10.1038/s41586-023-06813-y

DOI 2: 10.48550/arXiv.2311.08054

Lees meer

Context. It is well established that shock waves in the intracluster medium launched by galaxy cluster mergers can produce synchrotron emission, which is visible to us at radio frequencies as…

Authors: Jones, de Gasperin, Cuciti, Botteon, Zhang, Gastaldello, Shimwell, Simionescu, Rossetti, Cassano, Akamatsu, Bonafede, Brüggen, Brunetti, Camillini, Di Gennaro, Drabent, Hoang, Rajpurohit, Natale, Tasse, van Weeren

Bibcode: 2023A&A...680A..31J

DOI: 10.1051/0004-6361/202245102

DOI 2: 10.48550/arXiv.2301.07814

Lees meer

Context. Many galaxy clusters show diffuse cluster-scale emission in the form of radio halos, showing that magnetic fields and relativistic electrons are mixed in with the intracluster medium. There is…

Authors: Cuciti, Cassano, Sereno, Brunetti, Botteon, Shimwell, Bruno, Gastaldello, Rossetti, Zhang, Simionescu, Brüggen, van Weeren, Jones, Akamatsu, Bonafede, De Gasperin, Di Gennaro, Pasini, Röttgering

Bibcode: 2023A&A...680A..30C

DOI: 10.1051/0004-6361/202346755

DOI 2: 10.48550/arXiv.2305.04564

Lees meer

Outflowing wind, as one type of AGN feedback involving non-collimated ionised winds such as those prevalent in Seyfert-1 AGNs, impacts the host galaxy by carrying kinetic energy outwards. However, the…

Authors: Li, Kaastra, Gu, Mehdipour

Bibcode: 2023A&A...680A..44L

DOI: 10.1051/0004-6361/202346520

DOI 2: 10.48550/arXiv.2308.13446

Lees meer

We studied the broadband X-ray timing and spectral behaviors of the newly confirmed accreting millisecond X-ray pulsar MAXI J1816-195 during its 2022 outburst. We used data from the Insight-HXMT Medium…

Authors: Li, Kuiper, Ge, Falanga, Poutanen, Ji, Pan, Huang, Xu, Song, Qu, Zhang, Lu, Zhang

Bibcode: 2023ApJ...958..177L

DOI: 10.3847/1538-4357/ad0296

DOI 2: 10.48550/arXiv.2303.11603

Lees meer

In this paper, we present YunMa, an exoplanet cloud simulation and retrieval package, which enables the study of cloud microphysics and radiative properties in exoplanetary atmospheres. YunMa simulates the vertical…

Authors: Ma, Ito, Al-Refaie, Changeat, Edwards, Tinetti

Bibcode: 2023ApJ...957..104M

DOI: 10.3847/1538-4357/acf8ca

DOI 2: 10.48550/arXiv.2301.13708

Lees meer

Context. Gas cooling processes in the interstellar medium (ISM) are key to understanding how star formation occurs in galaxies. Far-infrared (FIR) fine-structure emission lines can be used to infer gas…

Authors: Ramos Padilla, Wang, van der Tak, Trager

Bibcode: 2023A&A...679A.131R

DOI: 10.1051/0004-6361/202243358

DOI 2: 10.48550/arXiv.2205.11955

Lees meer

We present an investigation into the spectroscopic properties of non-equilibrium photoionization processes operating in a time-evolving mode. Through a quantitative comparison between equilibrium and time-evolving models, we find that the…

Authors: Gu, Kaastra, Rogantini, Mehdipour, Juráňová, Costantini, Li

Bibcode: 2023A&A...679A..43G

DOI: 10.1051/0004-6361/202347430

DOI 2: 10.48550/arXiv.2309.05322

Lees meer

Looking into the faintEst WIth MUSE (LEWIS) is an ESO large observing programme that aims at obtaining the first homogeneous integral-field spectroscopic survey of 30 extremely low-surface-brightness (LSB) galaxies in…

Authors: Iodice, Hilker, Doll, Mirabile, Buttitta, Hartke, Mieske, Cantiello, D'Ago, Forbes, Gullieuszik, Rejkuba, Spavone, Spiniello, Arnaboldi, Corsini, Greggio, Falcón-Barroso, Fahrion, Fritz, La Marca, Paolillo, Angela Raj, Rampazzo, Sarzi, Capasso

Bibcode: 2023A&A...679A..69I

DOI: 10.1051/0004-6361/202347129

DOI 2: 10.48550/arXiv.2308.11493

Lees meer

We present an atmospheric analysis of LTT 9779 b, a rare planet situated in the hot-Neptune desert, that has been observed with Hubble Space Telescope (HST)/WFC3 with G102 and G141.…

Authors: Edwards, Changeat, Tsiaras, Allan, Behr, Hagey, Himes, Ma, Stassun, Thomas, Thompson, Boley, Booth, Bouwman, France, Lowson, Meech, Phillips, Vidotto, Yip, Bieger, Gressier, Janin, Jiang, Leonardi, Sarkar, Skaf, Taylor, Yang, Ward-Thompson

Bibcode: 2023AJ....166..158E

DOI: 10.3847/1538-3881/acea77

DOI 2: 10.48550/arXiv.2306.13645

Lees meer

The recent observations on WASP-39 b by JWST have revealed hints of high metallicity within the atmosphere compared to its host star. There are various theories on how these high…

Authors: Louca, Miguel, Kubyshkina

Bibcode: 2023ApJ...956L..19L

DOI: 10.3847/2041-8213/acfaec

DOI 2: 10.48550/arXiv.2309.09605

Lees meer

Retrieval methods are a powerful analysis technique for modelling exoplanetary atmospheres by estimating the bulk physical and chemical properties that combine in a forward model to best fit an observed…

Authors: Whiteford, Glasse, Chubb, Kitzmann, Ray, Phillips, Biller, Palmer, Rice, Waldmann, Changeat, Skaf, Wang, Edwards, Al-Refaie

Bibcode: 2023MNRAS.525.1375W

DOI: 10.1093/mnras/stad670

DOI 2: 10.48550/arXiv.2302.07939

Lees meer

Contact. The outskirts of galaxy clusters host complex interactions between the intracluster and circumcluster media. During the evolution of clusters, ram-pressure stripped gas clumps from infalling substructures break the uniformity…

Authors: Kovács, Zhu, Werner, Simionescu, Bogdán

Bibcode: 2023A&A...678A..91K

DOI: 10.1051/0004-6361/202347201

DOI 2: 10.48550/arXiv.2306.10101

Lees meer

Context. Past observations and simulations have predicted an increasingly inhomogeneous gas distribution towards the outskirts of galaxy clusters. However, the exact properties of such gas clumping are not yet well…

Authors: Zhu, Kovács, Simionescu, Werner

Bibcode: 2023A&A...678A.122Z

DOI: 10.1051/0004-6361/202347191

DOI 2: 10.48550/arXiv.2306.10110

Lees meer

Observed in a significant fraction of clusters and groups of galaxies, diffuse radio synchrotron emission reveals the presence of relativistic electrons and magnetic fields permeating large scale systems of galaxies.…

Authors: Mernier, Werner, Bagchi, Gendron-Marsolais, Gopal-Krishna, Guainazzi, Richard-Laferrière, Shimwell, Simionescu

Bibcode: 2023MNRAS.524.4939M

DOI: 10.1093/mnras/stad2093

DOI 2: 10.48550/arXiv.2207.10092

Lees meer

Fitting plasma models to high-quality spectra is a crucial tool for deriving diagnostics about the physical conditions in various astrophysical sources. Despite decades of model development, this prescription often provides…

Authors: Ballhausen, Kallman, Gu, Paerels

Bibcode: 2023ApJ...956...65B

DOI: 10.3847/1538-4357/aced49

Lees meer

In this era of exoplanet characterization with JWST, the need for a fast implementation of classical forward models to understand the chemical and physical processes in exoplanet atmospheres is more…

Authors: Hendrix, Louca, Miguel

Bibcode: 2023MNRAS.524..643H

DOI: 10.1093/mnras/stad1763

DOI 2: 10.48550/arXiv.2306.07074

Lees meer

To date, over 500 short-period rocky planets with equilibrium temperatures above 1500 K have been discovered. Such planets are expected to support magma oceans, providing a direct interface between the…

Authors: van Buchem, Miguel, Zilinskas, van Westrenen

Bibcode: 2023M&PS...58.1149V

DOI: 10.1111/maps.13994

DOI 2: 10.48550/arXiv.2210.10463

Lees meer

We present maps and spectra of the HCN(1−0) and HCO+(1−0) lines in the extreme outer Galaxy, at galactocentric radii between 14 and 22 kpc, with the 13.7 m Delingha telescope.…

Authors: Braine, Sun, Shimajiri, van der Tak, Fang, André, Chen, Gao

Bibcode: 2023A&A...676A..27B

DOI: 10.1051/0004-6361/202039923

DOI 2: 10.48550/arXiv.2306.05013

Lees meer

The mass and distribution of metals in the interiors of exoplanets are essential for constraining their formation and evolution processes. Never the less, with only masses and radii measured, the…

Authors: Bloot, Miguel, Bazot, Howard

Bibcode: 2023MNRAS.523.6282B

DOI: 10.1093/mnras/stad1873

DOI 2: 10.48550/arXiv.2306.11354

Lees meer

This paper presents an analysis of XMM-Newton and Chandra X-ray spectra of the quasar 1ES 1553+113, in search for absorption lines from the intervening warm-hot intergalactic medium (WHIM). A search…

Authors: Spence, Bonamente, Nevalainen, Tuominen, Ahoranta, de Plaa, Liu, Wijers

Bibcode: 2023MNRAS.523.2329S

DOI: 10.1093/mnras/stad1345

DOI 2: 10.48550/arXiv.2305.01587

Lees meer

We report on our monitoring of the strong-field magnetar-like pulsar PSR J1846-0258 with the Neutron Star Interior Composition Explorer (NICER) and the timing and spectral evolution during its outburst in…

Authors: Hu, Kuiper, Harding, Younes, Blumer, Ho, Enoto, Espinoza, Gendreau

Bibcode: 2023ApJ...952..120H

DOI: 10.3847/1538-4357/acd850

DOI 2: 10.48550/arXiv.2306.00902

Lees meer

Context. Diffuse radio emission in galaxy clusters, namely radio halos and radio relics, is usually associated with merger events. Despite the tremendous advances in observations in the last decades, the…

Authors: Di Gennaro, Brüggen, van Weeren, Simionescu, Brunetti, Cassano, Forman, Hoeft, Ignesti, Röttgering, Shimwell

Bibcode: 2023A&A...675A..51D

DOI: 10.1051/0004-6361/202345905

DOI 2: 10.48550/arXiv.2304.05893

Lees meer

We report on a remarkable change in the spectral energy distribution (SED) of Mrk 841, providing new insights on how the soft X-ray excess emission in active galactic nuclei (AGNs)…

Authors: Mehdipour, Kriss, Kaastra, Costantini, Mao

Bibcode: 2023ApJ...952L...5M

DOI: 10.3847/2041-8213/ace053

DOI 2: 10.48550/arXiv.2306.11960

Lees meer

Context. Extragalactic radio continuum surveys play an increasingly more important role in galaxy evolution and cosmology studies. While radio galaxies and radio quasars dominate at the bright end, star-forming galaxies…

Authors: Karsten, Wang, Margalef-Bentabol, Best, Kondapally, La Marca, Morganti, Röttgering, Vaccari, Sabater

Bibcode: 2023A&A...675A.159K

DOI: 10.1051/0004-6361/202346770

DOI 2: 10.48550/arXiv.2306.05062

Lees meer

Context. The atmospheric compositions of planets offer a unique view into their respective formation processes. State-of-the-art observatories and techniques are finally able to provide high-precision data on atmospheric composition that…

Authors: Khorshid, Min, Désert

Bibcode: 2023A&A...675A..95K

DOI: 10.1051/0004-6361/202245469

DOI 2: 10.48550/arXiv.2311.15702

Lees meer

X-ray through infrared spectral energy distributions (SEDs) are essential for understanding a star’s effect on exoplanet atmospheric composition and evolution. We present a catalog of panchromatic SEDs, hosted on the…

Authors: Behr, France, Brown, Duvvuri, Bean, Berta-Thompson, Froning, Miguel, Pineda, Wilson, Youngblood

Bibcode: 2023AJ....166...35B

DOI: 10.3847/1538-3881/acdb70

DOI 2: 10.48550/arXiv.2306.05322

Lees meer

Capella is the brightest chromospherically active binary in the sky, hosting a cooler G8III giant (Aa) and a hotter G1III companion (Ab). The source has been extensively observed in the…

Authors: Bozzo, Huenemoerder, Produit, Falanga, Paltani, Costantini

Bibcode: 2023MNRAS.522L..66B

DOI: 10.1093/mnrasl/slad040

DOI 2: 10.48550/arXiv.2303.13924

Lees meer

Ground-based high-resolution spectroscopy (HRS) has detected numerous chemical species and atmospheric dynamics in exoplanets, most notably ultrahot Jupiters (UHJs). However, quantitative estimates on abundances have been challenging but are essential…

Authors: Gandhi, Kesseli, Zhang, Louca, Snellen, Brogi, Miguel, Casasayas-Barris, Pelletier, Landman, Maguire, Gibson

Bibcode: 2023AJ....165..242G

DOI: 10.3847/1538-3881/accd65

DOI 2: 10.48550/arXiv.2305.17228

Lees meer

A key first step to constrain the impact of energetic particles in exoplanet atmospheres is to detect the chemical signature of ionization due to stellar energetic particles and Galactic cosmic…

Authors: Rodgers-Lee, Rimmer, Vidotto, Louca, Taylor, Mesquita, Miguel, Venot, Helling, Barth, Lacy

Bibcode: 2023MNRAS.521.5880R

DOI: 10.1093/mnras/stad900

DOI 2: 10.48550/arXiv.2303.07058

Lees meer

Photochemistry is a fundamental process of planetary atmospheres that regulates the atmospheric composition and stability1. However, no unambiguous photochemical products have been detected in exoplanet atmospheres so far. Recent observations…

Authors: Tsai, Lee, Powell, Gao, Zhang, Moses, Hébrard, Venot, Parmentier, Jordan, Hu, Alam, Alderson, Batalha, Bean, Benneke, Bierson, Brady, Carone, Carter, Chubb, Inglis, Leconte, Line, López-Morales, Miguel, Molaverdikhani, Rustamkulov, Sing, Stevenson,…

Bibcode: 2023Natur.617..483T

DOI: 10.1038/s41586-023-05902-2

DOI 2: 10.48550/arXiv.2211.10490

Lees meer

M-dwarfs are thought to be hostile environments for exoplanets. Stellar events are very common on such stars. These events might cause the atmospheres of exoplanets to change significantly over time.…

Authors: Louca, Miguel, Tsai, Froning, Loyd, France

Bibcode: 2023MNRAS.521.3333L

DOI: 10.1093/mnras/stac1220

DOI 2: 10.48550/arXiv.2204.10835

Lees meer

Context. The analysis of spectral energy distributions (SEDs) of protoplanetary disks to determine their physical properties is known to be highly degenerate. Hence, a full Bayesian analysis is required to…

Authors: Kaeufer, Woitke, Min, Kamp, Pinte

Bibcode: 2023A&A...672A..30K

DOI: 10.1051/0004-6361/202245461

DOI 2: 10.48550/arXiv.2302.04629

Lees meer

Context. The Juno mission has provided measurements of Jupiter’s gravity field with an outstanding level of accuracy, leading to better constraints on the interior of the planet. Improving our knowledge…

Authors: Howard, Guillot, Bazot, Miguel, Stevenson, Galanti, Kaspi, Hubbard, Militzer, Helled, Nettelmann, Idini, Bolton

Bibcode: 2023A&A...672A..33H

DOI: 10.1051/0004-6361/202245625

DOI 2: 10.48550/arXiv.2302.09082

Lees meer

We report on the x-ray background rate measured with transition-edge sensors (TES) micro-calorimeters under frequency-domain multiplexing (FDM) readout as a possible technology for future experiments aiming at a direct detection…

Authors: Vaccaro, Gottardi, Akamatsu, van der Kuur, Nagayoshi, Taralli, de Wit, Ravensberg, Gao, den Herder

Bibcode: 2023RScI...94d3104V

DOI: 10.1063/5.0142367

Lees meer

Context. The footprint of the recent second data release of the LOFAR Two-metre Sky Survey (LoTSS-DR2) covers 309 Planck Sunyaev-Zeldovich (SZ) selected galaxy clusters, 83 of which host a radio…

Authors: Zhang, Simionescu, Gastaldello, Eckert, Camillini, Natale, Rossetti, Brunetti, Akamatsu, Botteon, Cassano, Cuciti, Bruno, Shimwell, Jones, Kaastra, Ettori, Brüggen, de Gasperin, Drabent, van Weeren, Röttgering

Bibcode: 2023A&A...672A..42Z

DOI: 10.1051/0004-6361/202244761

DOI 2: 10.48550/arXiv.2210.07284

Lees meer

Context. Diffuse cluster-scale synchrotron radio emission is discovered in an increasing number of galaxy clusters in the form of radio haloes, probing the presence of relativistic electrons and magnetic fields…

Authors: Cassano, Cuciti, Brunetti, Botteon, Rossetti, Bruno, Simionescu, Gastaldello, van Weeren, Brüggen, Dallacasa, Zhang, Akamatsu, Bonafede, Di Gennaro, Shimwell, de Gasperin, Röttgering, Jones

Bibcode: 2023A&A...672A..43C

DOI: 10.1051/0004-6361/202244876

DOI 2: 10.48550/arXiv.2301.08052

Lees meer

The Athena X-ray Integral Unit (X-IFU) is the high resolution X-ray spectrometer studied since 2015 for flying in the mid-30s on the Athena space X-ray Observatory. Athena is a versatile…

Authors: Barret, Albouys, Herder, Piro, Cappi, Huovelin, Kelley, Mas-Hesse, Paltani, Rauw, Rozanska, Svoboda, Wilms, Yamasaki, Audard, Bandler, Barbera, Barcons, Bozzo, Ceballos, Charles, Costantini, Dauser, Decourchelle, Duband, Duval, Fiore, Gatti, Goldwurm, Hartog,…

Bibcode: 2023ExA....55..373B

DOI: 10.1007/s10686-022-09880-7

DOI 2: 10.48550/arXiv.2208.14562

Lees meer

We have simulated and measured the beam properties of lens-antenna coupled hot electron bolometer mixers at a few supra-terahertz frequencies between 1.4 and 5.3 THz. The quasi-optical structures consist of…

Authors: Gaspar Silva, Finkel, Laauwen, Yates, Mirzaei, Vercruyssen, Young, Kulesa, Walker, van der Tak, Gao

Bibcode: 2023ITTST..13..167G

DOI: 10.1109/TTHZ.2022.3230742

Lees meer

Context. Stable circumbinary discs around evolved post-asymptotic giant branch (post-AGB) binary systems composed of gas and dust show many similarities with protoplanetary discs around young stellar objects. These discs can…

Authors: Corporaal, Kluska, Van Winckel, Kamath, Min

Bibcode: 2023A&A...671A..15C

DOI: 10.1051/0004-6361/202245689

DOI 2: 10.48550/arXiv.2301.02622

Lees meer

Many of the confirmed short-period super-Earths and smaller sub-Neptunes are sufficiently irradiated for the surface silicates to be sustained in a long-lasting molten state. While there is no direct evidence…

Authors: Zilinskas, Miguel, van Buchem, Snellen

Bibcode: 2023A&A...671A.138Z

DOI: 10.1051/0004-6361/202245521

Lees meer

The launch of NuSTAR and the increasing number of binary black hole (BBH) mergers detected through gravitational wave observations have exponentially advanced our understanding of BHs. Despite the simplicity owed…

Authors: Draghis, Miller, Zoghbi, Reynolds, Costantini, Gallo, Tomsick

Bibcode: 2023ApJ...946...19D

DOI: 10.3847/1538-4357/acafe7

DOI 2: 10.48550/arXiv.2210.02479

Lees meer

Solar wind (SW) charge exchange (CX) is an important mechanism responsible for X-ray emissions in comets’ coma and many other astrophysical environments. By incorporating the experimentally derived total cross-sections and…

Authors: Zhang, Liao, Zhang, Zou, Guo, Gao, Gu, Zhu, Zhang, Ma

Bibcode: 2023MNRAS.520.1417Z

DOI: 10.1093/mnras/stad040

Lees meer

The various Euclid imaging surveys will become a reference for studies of galaxy morphology by delivering imaging over an unprecedented area of 15 000 square degrees with high spatial resolution.…

Authors: Euclid Collaboration, Bretonnière, Kuchner, Huertas-Company, Merlin, Castellano, Tuccillo, Buitrago, Conselice, Boucaud, Häußler, Kümmel, Hartley, Alvarez Ayllon, Bertin, Ferrari, Ferreira, Gavazzi, Hernández-Lang, Lucatelli, Robotham, Schefer, Wang, Cabanac, Domínguez Sánchez, Duc, Fotopoulou,…

Bibcode: 2023A&A...671A.102E

DOI: 10.1051/0004-6361/202245042

DOI 2: 10.48550/arXiv.2209.12907

Lees meer

The Saturn-mass exoplanet WASP-39b has been the subject of extensive efforts to determine its atmospheric properties using transmission spectroscopy1-4. However, these efforts have been hampered by modelling degeneracies between composition…

Authors: Feinstein, Radica, Welbanks, Murray, Ohno, Coulombe, Espinoza, Bean, Teske, Benneke, Line, Rustamkulov, Saba, Tsiaras, Barstow, Fortney, Gao, Knutson, MacDonald, Mikal-Evans, Rackham, Taylor, Parmentier, Batalha, Berta-Thompson, Carter, Changeat, dos Santos, Gibson,…

Bibcode: 2023Natur.614..670F

DOI: 10.1038/s41586-022-05674-1

DOI 2: 10.48550/arXiv.2211.10493

Lees meer

We have studied THz heterodyne detection in sub-micrometer MgB2 hot electron bolometer (HEB) mixers based on superconducting MgB2 films of ~ 5 nm (HEB-A), corresponding to a critical temperature (Tc)…

Authors: Gan, Mirzaei, Silva, Cherednichenko, van der Tak, Gao

Bibcode: 2023JAP...133g4503G

DOI: 10.1063/5.0128791

Lees meer

Measuring the abundances of carbon and oxygen in exoplanet atmospheres is considered a crucial avenue for unlocking the formation and evolution of exoplanetary systems1,2. Access to the chemical inventory of…

Authors: Alderson, Wakeford, Alam, Batalha, Lothringer, Adams Redai, Barat, Brande, Damiano, Daylan, Espinoza, Flagg, Goyal, Grant, Hu, Inglis, Lee, Mikal-Evans, Ramos-Rosado, Roy, Wallack, Batalha, Bean, Benneke, Berta-Thompson, Carter, Changeat, Colón, Crossfield,…

Bibcode: 2023Natur.614..664A

DOI: 10.1038/s41586-022-05591-3

DOI 2: 10.48550/arXiv.2211.10488

Lees meer

We report on results of our upgraded Giant Metrewave Radio Telescope (uGMRT) observations for an early-stage merging galaxy cluster, CIZA J1358.9-4750 (CIZA1359), in Band-3 (300-500 MHz). We achieved the image…

Authors: Kurahara, Akahori, Kale, Akamatsu, Fujita, Gu, Intema, Nakazawa, Okabe, Omiya, Parekh, Shimwell, Takizawa, Van Weeren

Bibcode: 2023PASJ...75S.138K

DOI: 10.1093/pasj/psac098

DOI 2: 10.48550/arXiv.2208.04750

Lees meer

Carbon dioxide (CO2) is a key chemical species that is found in a wide range of planetary atmospheres. In the context of exoplanets, CO2 is an indicator of the metal…

Authors: JWST Transiting Exoplanet Community Early Release Science Team, Ahrer, Alderson, Batalha, Batalha, Bean, Beatty, Bell, Benneke, Berta-Thompson, Carter, Crossfield, Espinoza, Feinstein, Fortney, Gibson, Goyal, Kempton, Kirk, Kreidberg, López-Morales, Line, Lothringer,…

Bibcode: 2023Natur.614..649J

DOI: 10.1038/s41586-022-05269-w

DOI 2: 10.48550/arXiv.2208.11692

Lees meer

We present a new X-ray spectroscopic study of 22 luminous (2 × 1045 ≲ Lbol/erg s‒1 ≲ 2 × 1046) active galactic nuclei (AGNs) at intermediate redshifts (0.1 ≲ z…

Authors: Matzeu, Brusa, Lanzuisi, Dadina, Bianchi, Kriss, Mehdipour, Nardini, Chartas, Middei, Piconcelli, Gianolli, Comastri, Longinotti, Krongold, Ricci, Petrucci, Tombesi, Luminari, Zappacosta, Miniutti, Gaspari, Behar, Bischetti, Mathur, Perna, Giustini, Grandi, Torresi, Vignali,…

Bibcode: 2023A&A...670A.182M

DOI: 10.1051/0004-6361/202245036

DOI 2: 10.48550/arXiv.2212.02960

Lees meer

Phosphine could be a key molecule in the understanding of exotic chemistry happening in (exo)planetary atmospheres. While it has been detected in the Solar System’s giant planets, it has not…

Authors: Angerhausen, Ottiger, Dannert, Miguel, Sousa-Silva, Kammerer, Menti, Alei, Konrad, Wang, Quanz, LIFE Collaboration

Bibcode: 2023AsBio..23..183A

DOI: 10.1089/ast.2022.0010

DOI 2: 10.48550/arXiv.2211.04975

Lees meer

Understanding the chemistry of the interstellar medium (ISM) is fundamental for the comprehension of Galactic and stellar evolution. X-rays provide an excellent way to study the dust chemical composition and…

Authors: Psaradaki, Costantini, Rogantini, Mehdipour, Corrales, Zeegers, de Groot, den Herder, Mutschke, Trasobares, de Vries, Waters

Bibcode: 2023A&A...670A..30P

DOI: 10.1051/0004-6361/202244110

DOI 2: 10.48550/arXiv.2210.05778

Lees meer

Context. The high cosmic abundance, the intermediate volatility, and the chemical properties of sulphur allow sulphur-bearing species to be used as tracers of the chemical processes in the atmospheres of…

Authors: Polman, Waters, Min, Miguel, Khorshid

Bibcode: 2023A&A...670A.161P

DOI: 10.1051/0004-6361/202244647

DOI 2: 10.48550/arXiv.2208.00469

Lees meer

CIZA J1358.9-4750 is a nearby galaxy cluster in the early phase of a major merger. The two-dimensional temperature map using XMM-Newton EPIC-PN observation confirms the existence of a high-temperature region,…

Authors: Omiya, Nakazawa, Matsushita, Kobayashi, Okabe, Sato, Tamura, Fujita, Gu, Kitayama, Akahori, Kurahara, Yamaguchi

Bibcode: 2023PASJ...75...37O

DOI: 10.1093/pasj/psac087

DOI 2: 10.48550/arXiv.2210.02145

Lees meer

Measuring the metallicity and carbon-to-oxygen (C/O) ratio in exoplanet atmospheres is a fundamental step towards constraining the dominant chemical processes at work and, if in equilibrium, revealing planet formation histories.…

Authors: Ahrer, Stevenson, Mansfield, Moran, Brande, Morello, Murray, Nikolov, Petit dit de la Roche, Schlawin, Wheatley, Zieba, Batalha, Damiano, Goyal, Lendl, Lothringer, Mukherjee, Ohno, Batalha, Battley, Bean, Beatty, Benneke, Berta-Thompson, Carter,…

Bibcode: 2023Natur.614..653A

DOI: 10.1038/s41586-022-05590-4

DOI 2: 10.48550/arXiv.2211.10489

Lees meer

We present a UV spectroscopic study of ionized outflows in 21 active galactic nuclei (AGN), observed with the Hubble Space Telescope (HST). The targets of the Supermassive Black Hole Winds…

Authors: Mehdipour, Kriss, Brusa, Matzeu, Gaspari, Kraemer, Mathur, Behar, Bianchi, Cappi, Chartas, Costantini, Cresci, Dadina, De Marco, De Rosa, Dunn, Gianolli, Giustini, Kaastra, King, Krongold, La Franca, Lanzuisi, Longinotti, Luminari, Middei,…

Bibcode: 2023A&A...670A.183M

DOI: 10.1051/0004-6361/202245047

DOI 2: 10.48550/arXiv.2212.02961

Lees meer

Transmission spectroscopy1-3 of exoplanets has revealed signatures of water vapour, aerosols and alkali metals in a few dozen exoplanet atmospheres4,5. However, these previous inferences with the Hubble and Spitzer Space…

Authors: Rustamkulov, Sing, Mukherjee, May, Kirk, Schlawin, Line, Piaulet, Carter, Batalha, Goyal, López-Morales, Lothringer, MacDonald, Moran, Stevenson, Wakeford, Espinoza, Bean, Batalha, Benneke, Berta-Thompson, Crossfield, Gao, Kreidberg, Powell, Cubillos, Gibson, Leconte, Molaverdikhani,…

Bibcode: 2023Natur.614..659R

DOI: 10.1038/s41586-022-05677-y

DOI 2: 10.48550/arXiv.2211.10487

Lees meer

The giant planets were the first to form and hold the key to unveiling the solar system’s formation history in their interiors and atmospheres. Furthermore, the unique conditions present in…

Authors: Miguel, Vazan

Bibcode: 2023RemS...15..681M

DOI: 10.3390/rs15030681

DOI 2: 10.48550/arXiv.2302.07656

Lees meer

We report our most recent progress and demonstration of a frequency domain multiplexing (FDM) readout technology for transition-edge sensor (TES) arrays, both of which we have been developing in the…

Authors: Vaccaro, Akamatsu, Gottardi, van der Kuur, Nagayoshi, Taralli, de Wit, Bruijn, van der Linden, van Leeuwen, van der Hulst, Ravensberg, de Vries, Kiviranta, Gao, den Herder

Bibcode: 2023NIMPA104667727V

DOI: 10.1016/j.nima.2022.167727

DOI 2: 10.48550/arXiv.2208.12604

Lees meer

Mergers of galaxy clusters are the most energetic events in the universe, driving shock and cold fronts, generating turbulence, and accelerating particles that create radio halos and relics. The galaxy…

Authors: Tümer, Wik, Zhang, Hoang, Gaspari, van Weeren, Rudnick, Stuardi, Mernier, Simionescu, Rojas Bolivar, Kraft, Akamatsu, de Plaa

Bibcode: 2023ApJ...942...79T

DOI: 10.3847/1538-4357/aca1b5

DOI 2: 10.48550/arXiv.2206.09228

Lees meer

Context. WASP-96b is a hot Saturn exoplanet, with an equilibrium temperature of ≈1300 K. This is well within the regime of thermo-dynamically expected extensive cloud formation. Prior observations with Hubble/WFC3,…

Authors: Samra, Helling, Chubb, Min, Carone, Schneider

Bibcode: 2023A&A...669A.142S

DOI: 10.1051/0004-6361/202244939

DOI 2: 10.48550/arXiv.2211.00633

Lees meer

We present a Chandra study of surface brightness fluctuations in the diffuse intracluster medium of the Perseus Cluster. Our study utilizes deep, archival imaging of the cluster core as well…

Authors: de Vries, Mantz, Allen, Morris, Zhuravleva, Canning, Ehlert, Ogorzałek, Simionescu, Werner

Bibcode: 2023MNRAS.518.2954D

DOI: 10.1093/mnras/stac3285

DOI 2: 10.48550/arXiv.2211.07680

Lees meer

We demonstrate multiplexed readout of 43 transition edge sensor (TES) bolometers operating at 90 mK using a frequency division multiplexing (FDM) readout chain with bias frequencies ranging from 1 to…

Authors: Wang, Khosropanah, van der Kuur, de Lange, Audley, Aminaei, Ilyas, Ridder, van der Linden, Bruijn, van der Tak, Gao

Bibcode: 2022RScI...93l4901W

DOI: 10.1063/5.0108786

Lees meer

We use Chandra X-ray data and Very Large Array radio observations for a sample of 20 nearby, massive, X-ray bright, early-type galaxies to investigate the relation between the Bondi accretion…

Authors: Plšek, Werner, Grossová, Topinka, Simionescu, Allen

Bibcode: 2022MNRAS.517.3682P

DOI: 10.1093/mnras/stac2770

DOI 2: 10.48550/arXiv.2203.15809

Lees meer

In this White Paper, which was submitted in response to the European Space Agency (ESA) Voyage 2050 Call, we recommend the ESA plays a proactive role in developing a global…

Authors: Snellen, Snik, Kenworthy, Albrecht, Anglada-Escudé, Baraffe, Baudoz, Benz, Beuzit, Biller, Birkby, Boccaletti, van Boekel, de Boer, Brogi, Buchhave, Carone, Claire, Claudi, Demory, Désert, Desidera, Gaudi, Gratton, Gillon, Grenfell, Guyon, Henning,…

Bibcode: 2022ExA....54.1237S

DOI: 10.1007/s10686-021-09803-y

Lees meer

Plasma models built on extensive atomic data are essential to interpreting observed cosmic spectra. H-like Lyman series and He-like triplets observable in the X-ray band are powerful diagnostic lines to…

Authors: Mao, Del Zanna, Gu, Zhang, Badnell

Bibcode: 2022ApJS..263...35M

DOI: 10.3847/1538-4365/ac9c57

DOI 2: 10.48550/arXiv.2210.13427

Lees meer

Outflows in active galactic nuclei (AGN) are considered a promising candidate for driving AGN feedback at large scales. However, without information on the density of these outflows we cannot determine…

Authors: Rogantini, Mehdipour, Kaastra, Costantini, Juráňová, Kara

Bibcode: 2022ApJ...940..122R

DOI: 10.3847/1538-4357/ac9c01

DOI 2: 10.48550/arXiv.2210.16338

Lees meer

Context. The composition of exoplanet atmospheres provides us with vital insight into their formation scenario. Conversely, planet formation processes shape the composition of atmospheres and imprint their specific signatures. In…

Authors: Khorshid, Min, Désert, Woitke, Dominik

Bibcode: 2022A&A...667A.147K

DOI: 10.1051/0004-6361/202141455

DOI 2: 10.48550/arXiv.2111.00279

Lees meer

The narrow-line Seyfert 1 galaxy $rm I,,Zwicky, 1$ shows a unique and complex system of ionized gas in outflow, which consists of an ultra-fast wind and a two-component warm absorber.…

Authors: Rogantini, Costantini, Gallo, Wilkins, Brandt, Mehdipour

Bibcode: 2022MNRAS.516.5171R

DOI: 10.1093/mnras/stac2552

DOI 2: 10.48550/arXiv.2209.02747

Lees meer

We present a characterization of the sensitivity of TES X-ray micro-calorimeters to environmental conditions under frequency-domain multiplexing (FDM) readout. In the FDM scheme, each TES in a readout chain is…

Authors: Vaccaro, Akamatsu, Gottardi, van der Kuur, Taralli, de Wit, Bruijn, den Hartog, Kiviranta, van der Linden, Nagayoshi, Ravensberg, Ridder, Visser, Jackson, Gao, Hoogeveen, den Herder

Bibcode: 2022JLTP..209..562V

DOI: 10.1007/s10909-022-02850-5

DOI 2: 10.48550/arXiv.2208.10875

Lees meer

We present a robust representation of the chemical and thermal structure in the galaxy group NGC 5813 using archival, deep X-ray observations, and employing a multitemperature spectral model based on…

Authors: Chatzigiannakis, Simionescu, Mernier

Bibcode: 2022MNRAS.516.6194C

DOI: 10.1093/mnras/stac2645

DOI 2: 10.48550/arXiv.2209.09276

Lees meer

We report measured Tc of superconducting Ti/Au bilayer strips with a width W varying from 5 to 50 µm. The strips were fabricated based on a Ti/Au bilayer that consists…

Authors: Nagayoshi, de Wit, Taralli, Visser, Ridder, Gottardi, Akamatsu, Vaccaro, Bruijn, Gao, den Herder

Bibcode: 2022JLTP..209..540N

DOI: 10.1007/s10909-022-02828-3

Lees meer

Large arrays of transition edge sensors (TESs) are the baseline for a number of future space observatories. For instance, the X-ray integral field unit (X-IFU) instrument on board the ATHENA…

Authors: Taralli, de Wit, Gottardi, Nagayoshi, Visser, Ridder, Akamatsu, Vaccaro, Bruijn, Gao, den Herder

Bibcode: 2022JLTP..209..256T

DOI: 10.1007/s10909-022-02709-9

Lees meer

Measuring a pulsar’s rotational evolution is crucial to understanding the nature of the pulsar. Here, we provide updated timing models for the rotational evolution of six pulsars, five of which…

Authors: Ho, Kuiper, Espinoza, Guillot, Ray, Smith, Bogdanov, Antonopoulou, Arzoumanian, Bejger, Enoto, Esposito, Harding, Haskell, Lewandowska, Maitra, Vasilopoulos

Bibcode: 2022ApJ...939....7H

DOI: 10.3847/1538-4357/ac8743

DOI 2: 10.48550/arXiv.2205.02865

Lees meer

The X-IFU is the cryogenic spectrometer onboard the future ATHENA X-ray observatory. It is based on a large array of TES microcalorimeters, which work in combination with a Cryogenic AntiCoincidence…

Authors: D'Andrea, Ravensberg, Argan, Brienza, Lotti, Macculi, Minervini, Piro, Torrioli, Chiarello, Ferrari Barusso, Biasotti, Gallucci, Gatti, Rigano, Akamatsu, Dercksen, Gottardi, de Groote, den Hartog, den Herder, Hoogeveen, Jackson, McCalden, Rosman, Taralli,…

Bibcode: 2022JLTP..209..433D

DOI: 10.1007/s10909-022-02786-w

DOI 2: 10.48550/arXiv.2206.15150

Lees meer

The design of space missions faces resource limitations that may severely restrict the extent of ground-based calibration programs. Ensuring that the knowledge requirements on key scientific performance are commensurate to…

Authors: Guainazzi, Willingale, Brenneman, Bulbul, den Herder, Kuulkers, Ness, Natalucci

Bibcode: 2022JATIS...8d4002G

DOI: 10.1117/1.JATIS.8.4.044002

Lees meer

Aims: Our goal is to create a retrieval framework which encapsulates the three-dimensional (3D) nature of exoplanet atmospheres, and to apply it to observed emission phase curve and transmission spectra…

Authors: Chubb, Min

Bibcode: 2022A&A...665A...2C

DOI: 10.1051/0004-6361/202142800

DOI 2: 10.48550/arXiv.2206.09738

Lees meer

Radar and spacecraft observations show the permanently shadowed regions around Mercury’s North Pole to contain water ice and complex organic material. One possible source of this material are impacts by…

Authors: Frantseva, Nesvorný, Mueller, van der Tak, ten Kate, Pokorný

Bibcode: 2022Icar..38314980F

DOI: 10.1016/j.icarus.2022.114980

DOI 2: 10.48550/arXiv.2204.11825

Lees meer

The physical properties of the faint and extremely tenuous plasma in the far outskirts of galaxy clusters, the circumgalactic media of normal galaxies, and filaments of the cosmic web remain…

Authors: Štofanová, Simionescu, Wijers, Schaye, Kaastra

Bibcode: 2022MNRAS.515.3162S

DOI: 10.1093/mnras/stac1854

DOI 2: 10.48550/arXiv.2207.10069

Lees meer

Context. NGC 5548 is an X-ray bright Seyfert 1 active galaxy. It exhibits a variety of spectroscopic features in the soft X-ray band, in particular including the absorption by the…

Authors: Gu, Mao, Kaastra, Mehdipour, Pinto, Grafton-Waters, Bianchi, Landt, Branduardi-Raymont, Costantini, Ebrero, Petrucci, Behar, di Gesu, De Marco, Matt, Mitchell, Peretz, Ursini, Ward

Bibcode: 2022A&A...665A..93G

DOI: 10.1051/0004-6361/202244075

DOI 2: 10.48550/arXiv.2207.09114

Lees meer

Context. A growing number of transient X-ray obscuration events in type I active galactic nuclei suggest that our line of sight to the central engine is not always free. Multiple…

Authors: Mao, Kaastra, Mehdipour, Kriss, Wang, Grafton-Waters, Branduardi-Raymont, Pinto, Landt, Walton, Costantini, Di Gesu, Bianchi, Petrucci, De Marco, Ponti, Fukazawa, Ebrero, Behar

Bibcode: 2022A&A...665A..72M

DOI: 10.1051/0004-6361/202142637

DOI 2: 10.48550/arXiv.2204.06813

Lees meer

Context. The presence of large-scale magnetic fields and ultra-relativistic electrons in the intra-cluster medium (ICM) is confirmed through the detection of diffuse radio synchrotron sources, so-called radio halos and relics.…

Authors: Hoang, Brüggen, Botteon, Shimwell, Zhang, Bonafede, Bruno, Bonnassieux, Cassano, Cuciti, Drabent, de Gasperin, Gastaldello, Di Gennaro, Hoeft, Jones, Pignataro, Röttgering, Simionescu, van Weeren

Bibcode: 2022A&A...665A..60H

DOI: 10.1051/0004-6361/202243105

DOI 2: 10.48550/arXiv.2206.04666

Lees meer

A decade ago, the archetypal Seyfert-1 galaxy NGC 5548 was discovered to have undergone major spectral changes. The soft X-ray flux had dropped by a factor of 30 while new…

Authors: Mehdipour, Kriss, Costantini, Gu, Kaastra, Landt, Mao

Bibcode: 2022ApJ...934L..24M

DOI: 10.3847/2041-8213/ac822f

DOI 2: 10.48550/arXiv.2207.09464

Lees meer

Transition-edge-sensor (TES) microcalorimeters and bolometers are used for a variety of applications. The sensors are based on the steep temperature-dependent resistance of the normal-to-superconducting transition, and are thus intrinsically sensitive…

Authors: de Wit, Gottardi, Ridder, Nagayoshi, Taralli, Akamatsu, Vaccaro, den Herder, Bruijn, Gao

Bibcode: 2022PhRvP..18b4066D

DOI: 10.1103/PhysRevApplied.18.024066

DOI 2: 10.48550/arXiv.2208.10775

Lees meer

We present a targeted search for continuous gravitational waves (GWs) from 236 pulsars using data from the third observing run of LIGO and Virgo (O3) combined with data from the…

Authors: Abbott, Abe, Acernese, Ackley, Adhikari, Adhikari, Adkins, Adya, Affeldt, Agarwal, Agathos, Agatsuma, Aggarwal, Aguiar, Aiello, Ain, Ajith, Akutsu, Albanesi, Alfaidi, Allocca, Altin, Amato, Anand, Anand, Ananyeva, Anderson, Anderson, Ando, Andrade,…

Bibcode: 2022ApJ...935....1A

DOI: 10.3847/1538-4357/ac6acf

DOI 2: 10.48550/arXiv.2111.13106

Lees meer

There has been a growing request from the X-ray astronomy community for a quantitative estimate of systematic uncertainties originating from the atomic data used in plasma codes. Though there have…

Authors: Gu, Shah, Mao, Raassen, de Plaa, Pinto, Akamatsu, Werner, Simionescu, Mernier, Sawada, Mohanty, Amaro, Gu, Porter, López-Urrutia, Kaastra

Bibcode: 2022A&A...664A..62G

DOI: 10.1051/0004-6361/202039943

DOI 2: 10.48550/arXiv.2206.07134

Lees meer

The Juno spacecraft measured Jupiter’s gravity field and determined the even and odd zonal harmonics, J n , with unprecedented precision. However, interpreting these observations has been a challenge because…

Authors: Militzer, Hubbard, Wahl, Lunine, Galanti, Kaspi, Miguel, Guillot, Moore, Parisi, Connerney, Helled, Cao, Mankovich, Stevenson, Park, Wong, Atreya, Anderson, Bolton

Bibcode: 2022PSJ.....3..185M

DOI: 10.3847/PSJ/ac7ec8

Lees meer

K2-141 b is a transiting, small (1.5 R⊕) ultra-short-period (USP) planet discovered by the Kepler space telescope orbiting a K-dwarf host star every 6.7 h. The planet’s high surface temperature…

Authors: Zieba, Zilinskas, Kreidberg, Nguyen, Miguel, Cowan, Pierrehumbert, Carone, Dang, Hammond, Louden, Lupu, Malavolta, Stevenson

Bibcode: 2022A&A...664A..79Z

DOI: 10.1051/0004-6361/202142912

DOI 2: 10.48550/arXiv.2203.00370

Lees meer

We present LOw Frequency ARray observations of the Coma Cluster field at 144 MHz. The cluster hosts one of the most famous radio halos, a relic, and a low surface…

Authors: Bonafede, Brunetti, Rudnick, Vazza, Bourdin, Giovannini, Shimwell, Zhang, Mazzotta, Simionescu, Biava, Bonnassieux, Brienza, Brüggen, Rajpurohit, Riseley, Stuardi, Feretti, Tasse, Botteon, Carretti, Cassano, Cuciti, de Gasperin, Gastaldello, Rossetti, Rottgering, Venturi, van…

Bibcode: 2022ApJ...933..218B

DOI: 10.3847/1538-4357/ac721d

DOI 2: 10.48550/arXiv.2203.01958

Lees meer

We investigate the habitability of hypothetical moons orbiting known exoplanets. This study focuses on big, rocky exomoons that are capable of maintaining a significant atmosphere. To determine their habitability, we…

Authors: Dobos, Haris, Kamp, van der Tak

Bibcode: 2022MNRAS.513.5290D

DOI: 10.1093/mnras/stac1180

DOI 2: 10.48550/arXiv.2204.11614

Lees meer

Context. Interest in stellar feedback has recently increased because new studies suggest that radiative and mechanical feedback from young massive stars significantly regulates the physical and chemical composition of the…

Authors: Kavak, Bally, Goicoechea, Pabst, van der Tak, Tielens

Bibcode: 2022A&A...663A.117K

DOI: 10.1051/0004-6361/202243332

DOI 2: 10.48550/arXiv.2203.12025

Lees meer

We present an analysis of the bandwidth of an asymmetric 8-beam Fourier grating as the beam multiplexer for a 4.7 THz local oscillator used in a heterodyne receiver. We take…

Authors: Gan, Mirzaei, Silva, Laauwen, van der Tak, Gao

Bibcode: 2022JOpt...24f4006G

DOI: 10.1088/2040-8986/ac62e9

Lees meer

Context. While Jupiter’s massive gas envelope consists mainly of hydrogen and helium, the key to understanding Jupiter’s formation and evolution lies in the distribution of the remaining (heavy) elements. Before…

Authors: Miguel, Bazot, Guillot, Howard, Galanti, Kaspi, Hubbard, Militzer, Helled, Atreya, Connerney, Durante, Kulowski, Lunine, Stevenson, Bolton

Bibcode: 2022A&A...662A..18M

DOI: 10.1051/0004-6361/202243207

DOI 2: 10.48550/arXiv.2203.01866

Lees meer

Context. Exoplanet observations are currently analysed with Bayesian retrieval techniques to constrain physical and chemical properties of their atmospheres. Due to the computational load of the models used to analyse…

Authors: Ardévol Martínez, Min, Kamp, Palmer

Bibcode: 2022A&A...662A.108A

DOI: 10.1051/0004-6361/202142976

DOI 2: 10.48550/arXiv.2203.01236

Lees meer

We report on X-ray flares that were observed from the active galactic nucleus I Zwicky 1 (I Zw 1) in 2020 January by the NuSTAR and XMM-Newton observatories. The X-ray…

Authors: Wilkins, Gallo, Costantini, Brandt, Blandford

Bibcode: 2022MNRAS.512..761W

DOI: 10.1093/mnras/stac416

DOI 2: 10.48550/arXiv.2202.06958

Lees meer

Jets from active galactic nuclei (AGN) are known to recurrently enrich their surrounding medium with mildly relativistic particles and magnetic fields. Here, we present a detailed multi-frequency analysis of the…

Authors: Brienza, Lovisari, Rajpurohit, Bonafede, Gastaldello, Murgia, Vazza, Bonnassieux, Botteon, Brunetti, Drabent, Hardcastle, Pasini, Riseley, Röttgering, Shimwell, Simionescu, van Weeren

Bibcode: 2022A&A...661A..92B

DOI: 10.1051/0004-6361/202142579

DOI 2: 10.48550/arXiv.2201.04591

Lees meer

We report on the discovery of a UV absorption counterpart of a low-ionization X-ray ultrafast outflow (UFO) in the narrow-line Seyfert 1 galaxy IRAS 17020+4544. This UV signature of the…

Authors: Mehdipour, Kriss, Krongold, Longinotti, Costantini, Gupta, Mathur, Nicastro, Panessa, Som

Bibcode: 2022ApJ...930..166M

DOI: 10.3847/1538-4357/ac5681

DOI 2: 10.48550/arXiv.2202.08405

Lees meer

The Juno mission has revolutionized and challenged our understanding of Jupiter. As Juno transitioned into its extended mission, we review the major findings of Jupiter’s internal structure relevant to understanding…

Authors: Helled, Stevenson, Lunine, Bolton, Nettelmann, Atreya, Guillot, Militzer, Miguel, Hubbard

Bibcode: 2022Icar..37814937H

DOI: 10.1016/j.icarus.2022.114937

DOI 2: 10.48550/arXiv.2202.10041

Lees meer

Lava worlds belong to a class of short orbital period planets reaching dayside temperatures high enough to melt their silicate crust. Theory predicts that the resulting lava oceans outgas their…

Authors: Zilinskas, van Buchem, Miguel, Louca, Lupu, Zieba, van Westrenen

Bibcode: 2022A&A...661A.126Z

DOI: 10.1051/0004-6361/202142984

DOI 2: 10.48550/arXiv.2202.04759

Lees meer

The Ariel mission, due to launch in 2029, will obtain spectroscopic information for 1000 exoplanets, providing an unprecedented opportunity for comparative exoplanetology. Retrieval codes – parameteric atmospheric models coupled with…

Authors: Barstow, Changeat, Chubb, Cubillos, Edwards, MacDonald, Min, Waldmann

Bibcode: 2022ExA....53..447B

DOI: 10.1007/s10686-021-09821-w

DOI 2: 10.48550/arXiv.2203.00482

Lees meer

The goal of the Ariel space mission is to observe a large and diversified population of transiting planets around a range of host star types to collect information on their…

Authors: Turrini, Codella, Danielski, Fedele, Fonte, Garufi, Guarcello, Helled, Ikoma, Kama, Kimura, Kruijssen, Maldonado, Miguel, Molinari, Nikolaou, Oliva, Panić, Pignatari, Podio, Rickman, Schisano, Shibata, Vazan, Wolkenberg

Bibcode: 2022ExA....53..225T

DOI: 10.1007/s10686-021-09754-4

DOI 2: 10.48550/arXiv.2108.11869

Lees meer

Context. The role of feedback in the self-regulation of star formation is a fundamental question in astrophysics. The Orion Nebula is the nearest site of ongoing and recent massive star…

Authors: Kavak, Goicoechea, Pabst, Bally, van der Tak, Tielens

Bibcode: 2022A&A...660A.109K

DOI: 10.1051/0004-6361/202141367

DOI 2: 10.48550/arXiv.2202.04711

Lees meer

Using two-dimensional (2D) thermal structure models and pseudo-2D chemical kinetics models, we explore how atmospheric temperatures and composition change as a function of altitude and longitude within the equatorial regions…

Authors: Moses, Tremblin, Venot, Miguel

Bibcode: 2022ExA....53..279M

DOI: 10.1007/s10686-021-09749-1

DOI 2: 10.48550/arXiv.2103.07023

Lees meer

Hot atmospheres pervading galaxy clusters, groups, and early-type galaxies are rich in metals, produced during epochs and diffused via processes that are still to be determined. While this enrichment has…

Authors: Mernier, Werner, Su, Pinto, Grossová, Simionescu, Iodice, Sarzi, Görgei

Bibcode: 2022MNRAS.511.3159M

DOI: 10.1093/mnras/stac253

DOI 2: 10.48550/arXiv.2201.05161

Lees meer

Context. Relativistic electrons and magnetic fields permeate the intra-cluster medium (ICM) and manifest themselves as diffuse sources of synchrotron emission observable at radio wavelengths, namely radio halos and radio relics.…

Authors: Botteon, Shimwell, Cassano, Cuciti, Zhang, Bruno, Camillini, Natale, Jones, Gastaldello, Simionescu, Rossetti, Akamatsu, van Weeren, Brunetti, Brüggen, Groeneveld, Hoang, Hardcastle, Ignesti, Di Gennaro, Bonafede, Drabent, Röttgering, Hoeft, de Gasperin

Bibcode: 2022A&A...660A..78B

DOI: 10.1051/0004-6361/202143020

DOI 2: 10.48550/arXiv.2202.11720

Lees meer

We investigate the cold and warm gas content, kinematics, and spatial distribution of six local massive elliptical galaxies to probe the origin of the multiphase gas in their atmospheres. We…

Authors: Temi, Gaspari, Brighenti, Werner, Grossova, Gitti, Sun, Amblard, Simionescu

Bibcode: 2022ApJ...928..150T

DOI: 10.3847/1538-4357/ac5036

DOI 2: 10.48550/arXiv.2201.09330

Lees meer

The recently adopted Ariel ESA mission will measure the atmospheric composition of a large number of exoplanets. This information will then be used to better constrain planetary bulk compositions. While…

Authors: Helled, Werner, Dorn, Guillot, Ikoma, Ito, Kama, Lichtenberg, Miguel, Shorttle, Tackley, Valencia, Vazan

Bibcode: 2022ExA....53..323H

DOI: 10.1007/s10686-021-09739-3

DOI 2: 10.48550/arXiv.2103.08481

Lees meer

Aims: We investigate at what abundances various hydrocarbon molecules (e.g. acetylene (C2H2), ethylene (C2H4), and methane (CH4)) become detectable when observing the atmospheres of various planets using the James Webb…

Authors: Gasman, Min, Chubb

Bibcode: 2022A&A...659A.114G

DOI: 10.1051/0004-6361/202141468

DOI 2: 10.48550/arXiv.2202.01151

Lees meer

Spectral-timing techniques have proven valuable in studying the interplay between the X-ray corona and the accretion disc in variable active galactic nuclei (AGNs). Under certain conditions, photoionized outflows emerging from…

Authors: Juráňová, Costantini, Uttley

Bibcode: 2022MNRAS.510.4225J

DOI: 10.1093/mnras/stab3731

DOI 2: 10.48550/arXiv.2201.02640

Lees meer

Context. To better understand the formation of high-mass stars, it is fundamental to investigate how matter accretes onto young massive stars, how it is ejected, and how all this differs…

Authors: Beltrán, Rivilla, Cesaroni, Galli, Moscadelli, Ahmadi, Beuther, Etoka, Goddi, Klaassen, Kuiper, Kumar, Lorenzani, Peters, Sánchez-Monge, Schilke, van der Tak, Vig

Bibcode: 2022A&A...659A..81B

DOI: 10.1051/0004-6361/202142703

DOI 2: 10.48550/arXiv.2201.10438

Lees meer

Context. Direct observations of young stellar objects are important to test established theories of planet formation. PDS 70 is one of the few cases where robust evidence favours the presence…

Authors: Portilla-Revelo, Kamp, Rab, van Dishoeck, Keppler, Min, Muro-Arena

Bibcode: 2022A&A...658A..89P

DOI: 10.1051/0004-6361/202141764

DOI 2: 10.48550/arXiv.2111.08648

Lees meer

Context. Post-asymptotic giant branch (post-AGB) binaries are surrounded by massive disks of gas and dust that are similar to the protoplanetary disks that are known to surround young stars. Aims:…

Authors: Kluska, Van Winckel, Coppée, Oomen, Dsilva, Kamath, Bujarrabal, Min

Bibcode: 2022A&A...658A..36K

DOI: 10.1051/0004-6361/202141690

DOI 2: 10.48550/arXiv.2201.13155

Lees meer

The Seyfert-1 galaxy NGC 3516 has undergone major spectral changes in recent years. In 2017 we obtained Chandra, NuSTAR, and Swift observations during its new low-flux state. Using these observations,…

Authors: Mehdipour, Kriss, Brenneman, Costantini, Kaastra, Branduardi-Raymont, Di Gesu, Ebrero, Mao

Bibcode: 2022ApJ...925...84M

DOI: 10.3847/1538-4357/ac42ca

DOI 2: 10.48550/arXiv.2112.06297

Lees meer

The relationship between warm absorber (WA) outflows of active galactic nuclei and nuclear obscuration activities caused by optically thick clouds (obscurers) crossing the line of sight is still unclear. NGC…

Authors: Wang, Kaastra, Mehdipour, Mao, Costantini, Kriss, Pinto, Ponti, Behar, Bianchi, Branduardi-Raymont, De Marco, Grafton-Waters, Petrucci, Ebrero, Walton, Kaspi, Xue, Paltani, di Gesu, He

Bibcode: 2022A&A...657A..77W

DOI: 10.1051/0004-6361/202141599

DOI 2: 10.48550/arXiv.2110.07861

Lees meer

Relevant uncertainties of theoretical atomic data are vital to determining the accuracy of plasma diagnostics in a number of areas, including, in particular, the astrophysical study. We present a new…

Authors: Gu, Shah, Zhang

Bibcode: 2022Senso..22..752G

DOI: 10.3390/s22030752

DOI 2: 10.48550/arXiv.2201.06146

Lees meer

Active galactic nuclei inject large amounts of energy into their host galaxies and surrounding environment, shaping their properties and evolution1,2. In particular, active-galactic-nuclei jets inflate cosmic-ray lobes, which can rise…

Authors: Brienza, Shimwell, de Gasperin, Bikmaev, Bonafede, Botteon, Brüggen, Brunetti, Burenin, Capetti, Churazov, Hardcastle, Khabibullin, Lyskova, Röttgering, Sunyaev, van Weeren, Gastaldello, Mandal, Purser, Simionescu, Tasse

Bibcode: 2021NatAs...5.1261B

DOI: 10.1038/s41550-021-01491-0

DOI 2: 10.48550/arXiv.2110.09189

Lees meer

Context. Knowledge of X-ray shock and radio relic connection in merging galaxy clusters has been greatly extended in terms of both observation and theory over the last decade. ZwCl 2341+0000…

Authors: Zhang, Simionescu, Stuardi, van Weeren, Intema, Akamatsu, de Plaa, Kaastra, Bonafede, Brüggen, ZuHone, Ichinohe

Bibcode: 2021A&A...656A..59Z

DOI: 10.1051/0004-6361/202141540

DOI 2: 10.48550/arXiv.2110.02094

Lees meer

Context. Megaparsec-scale radio sources in the form of halos and relics are often detected in dynamically disturbed galaxy clusters. Although they are associated with merger-induced turbulence and shocks, respectively, their…

Authors: Hoang, Zhang, Stuardi, Shimwell, Bonafede, Brüggen, Brunetti, Botteon, Cassano, de Gasperin, Di Gennaro, Hoeft, Intema, Rajpurohit, Röttgering, Simionescu, van Weeren

Bibcode: 2021A&A...656A.154H

DOI: 10.1051/0004-6361/202141428

DOI 2: 10.48550/arXiv.2106.00679

Lees meer

Context. The retrieval approach is currently a standard method for deriving atmospheric properties from observed spectra of exoplanets. However, the approach ignores disequilibrium chemistry in most current retrieval codes, which…

Authors: Kawashima, Min

Bibcode: 2021A&A...656A..90K

DOI: 10.1051/0004-6361/202141548

DOI 2: 10.48550/arXiv.2110.13443

Lees meer

Understanding and modelling astrophysical plasmas on atomic levels while taking into account various assumptions (for example, collisional ionisation equilibrium or photoionisation equilibrium) became essential with the progress of high-resolution X-ray…

Authors: Štofanová, Kaastra, Mehdipour, de Plaa

Bibcode: 2021A&A...655A...2S

DOI: 10.1051/0004-6361/202037768

DOI 2: 10.48550/arXiv.2109.04184

Lees meer

We report on the development and demonstration of MHz frequency domain multiplexing (FDM) technology to readout arrays of cryogenic transition edge sensor (TES) x-ray microcalorimeters. In our FDM scheme, TESs…

Authors: Akamatsu, Vaccaro, Gottardi, van der Kuur, de Vries, Kiviranta, Ravensberg, D'Andrea, Taralli, de Wit, Bruijn, van der Hulst, den Hartog, van Leeuwen, van der Linden, McCalden, Nagayoshi, Nieuwenhuizen, Ridder, Visser,…

Bibcode: 2021ApPhL.119r2601A

DOI: 10.1063/5.0066240

DOI 2: 10.48550/arXiv.2111.01797

Lees meer

We have demonstrated a low noise superconducting MgB2 hot electron bolometer (HEB) mixer working at the frequency of 5.3 terahertz (THz) with 20 K operation temperature. The bolometer consists of…

Authors: Gan, Mirzaei, Silva, Chang, Cherednichenko, van der Tak, Gao

Bibcode: 2021ApPhL.119t2601G

DOI: 10.1063/5.0070153

Lees meer

We demonstrate multiplexing readout of 60 transition edge sensor (TES) bolometers operating at 90 mK using a frequency division multiplexing readout chain with bias frequencies ranging from 1 to 3.5…

Authors: Wang, Khosropanah, van der Kuur, de Lange, Audley, Aminaei, Ridder, van der Linden, Bruijn, van der Tak, Gao

Bibcode: 2021ApPhL.119r2602W

DOI: 10.1063/5.0065570

Lees meer

In this era of spatially resolved observations of planet-forming disks with Atacama Large Millimeter Array (ALMA) and large ground-based telescopes such as the Very Large Telescope (VLT), Keck, and Subaru,…

Authors: Kamp, Honda, Nomura, Audard, Fedele, Waters, Aikawa, Banzatti, Bowey, Bradford, Dominik, Furuya, Habart, Ishihara, Johnstone, Kennedy, Kim, Kral, Lai, Larsson, McClure, Miotello, Momose, Nakagawa, Naylor, Nisini, Notsu, Onaka, Pantin, Podio,…

Bibcode: 2021PASA...38...55K

DOI: 10.1017/pasa.2021.31

DOI 2: 10.48550/arXiv.2106.13782

Lees meer

Stellar and supernova nucleosynthesis in the first few billion years of the cosmic history have set the scene for early structure formation in the Universe, while little is known about…

Authors: Ishigaki, Hartwig, Tarumi, Leung, Tominaga, Kobayashi, Magg, Simionescu, Nomoto

Bibcode: 2021MNRAS.506.5410I

DOI: 10.1093/mnras/stab1982

DOI 2: 10.48550/arXiv.2107.04194

Lees meer

Transition-edge sensors (TESs) are the selected technology for future spaceborne x-ray observatories, such as Athena, Lynx, and HUBS. These missions demand thousands of pixels to be operated simultaneously with high…

Authors: de Wit, Gottardi, Taralli, Nagayoshi, Ridder, Akamatsu, Bruijn, Hoogeveen, van der Kuur, Ravensberg, Vaccaro, Gao, den Herder

Bibcode: 2021PhRvP..16d4059D

DOI: 10.1103/PhysRevApplied.16.044059

DOI 2: 10.48550/arXiv.2107.09552

Lees meer

Hot atmospheres of massive galaxies are enriched with metals. Elemental abundances measured in the X-ray band have been used to study the chemical enrichment of supernova remnants, elliptical galaxies, groups,…

Authors: Mao, Zhou, Simionescu, Su, Fukazawa, Gu, Akamatsu, Zhu, de Plaa, Mernier, Kaastra

Bibcode: 2021ApJ...918L..17M

DOI: 10.3847/2041-8213/ac1945

DOI 2: 10.48550/arXiv.2107.14500

Lees meer

From Swift monitoring of a sample of active galactic nuclei (AGN) we found a transient X-ray obscuration event in Seyfert-1 galaxy NGC 3227, and thus triggered our joint XMM-Newton, NuSTAR,…

Authors: Mehdipour, Kriss, Kaastra, Wang, Mao, Costantini, Arav, Behar, Bianchi, Branduardi-Raymont, Brotherton, Cappi, De Marco, Di Gesu, Ebrero, Grafton-Waters, Kaspi, Matt, Paltani, Petrucci, Pinto, Ponti, Ursini, Walton

Bibcode: 2021A&A...652A.150M

DOI: 10.1051/0004-6361/202141324

DOI 2: 10.48550/arXiv.2106.14957

Lees meer

Context. Previous X-ray studies of the Perseus Cluster, consisting of 85 Suzaku pointings along eight azimuthal directions, revealed a particularly steep decrease in the projected temperature profile near the virial…

Authors: Zhu, Simionescu, Akamatsu, Zhang, Kaastra, de Plaa, Urban, Allen, Werner

Bibcode: 2021A&A...652A.147Z

DOI: 10.1051/0004-6361/202140673

DOI 2: 10.48550/arXiv.2107.01663

Lees meer

The innermost regions of accretion disks around black holes are strongly irradiated by X-rays that are emitted from a highly variable, compact corona, in the immediate vicinity of the black…

Authors: Wilkins, Gallo, Costantini, Brandt, Blandford

Bibcode: 2021Natur.595..657W

DOI: 10.1038/s41586-021-03667-0

DOI 2: 10.48550/arXiv.2107.13555

Lees meer

The Transition-Edge Sensor (TES) is an extremely sensitive device, which is used to measure the energy of individual x-ray photons. For astronomical spectrometry applications, SRON develops a frequency domain multiplexing…

Authors: van der Hulst, van der Kuur, Nieuwenhuizen, Vaccaro, Akamatsu, van Winden, van Leeuwen, den Herder

Bibcode: 2021RScI...92g3101V

DOI: 10.1063/5.0044968

DOI 2: 10.48550/arXiv.2107.02754

Lees meer

The energy range between about 100 keV and 1 GeV is of interest for a vast class of astrophysical topics. In particular, (1) it is the missing ingredient for understanding…

Authors: De Angelis, Tatischeff, Argan, Brandt, Bulgarelli, Bykov, Costantini, Curado da Silva, Grenier, Hanlon, Hartmann, Hernanz, Kanbach, Kuvvetli, Laurent, Mazziotta, McEnery, Morselli, Nakazawa, Oberlack, Pearce, Rico, Tavani, Ballmoos, Walter, Wu, Zane,…

Bibcode: 2021ExA....51.1225D

DOI: 10.1007/s10686-021-09706-y

DOI 2: 10.48550/arXiv.2102.02460

Lees meer

The far-infrared (FIR) regime is one of the wavelength ranges where no astronomical data with sub-arcsecond spatial resolution exist. None of the medium-term satellite projects like SPICA, Millimetron, or the…

Authors: Linz, Beuther, Gerin, Goicoechea, Helmich, Krause, Liu, Molinari, Ossenkopf-Okada, Pineda, Sauvage, Schinnerer, van der Tak, Wiedner, Amiaux, Bhatia, Buinhas, Durand, Förstner, Graf, Lezius

Bibcode: 2021ExA....51..661L

DOI: 10.1007/s10686-021-09719-7

Lees meer

Context. The presence of stable, compact circumbinary discs of gas and dust around post-asymptotic giant branch (post-AGB) binary systems has been well established. We focus on one such system, IRAS…

Authors: Corporaal, Kluska, Van Winckel, Bollen, Kamath, Min

Bibcode: 2021A&A...650L..13C

DOI: 10.1051/0004-6361/202141154

DOI 2: 10.48550/arXiv.2106.01955

Lees meer

The majority of the ordinary matter in the local Universe has been heated by strong structure formation shocks and resides in a largely unexplored hot, diffuse, X-ray emitting plasma that…

Authors: Simionescu, Ettori, Werner, Nagai, Vazza, Akamatsu, Pinto, de Plaa, Wijers, Nelson, Pointecouteau, Pratt, Spiga, Vacanti, Lau, Rossetti, Gastaldello, Biffi, Bulbul, Collon, Herder, Eckert, Fraternali, Mingo, Pareschi, Pezzulli, Reiprich, Schaye, Walker,…

Bibcode: 2021ExA....51.1043S

DOI: 10.1007/s10686-021-09720-0

DOI 2: 10.48550/arXiv.1908.01778

Lees meer

We analysed the deep archival Chandra observations of the high-temperature galaxy cluster Abell 2319 to investigate the prominent cold front in its core. The main sharp arc of the front…

Authors: Ichinohe, Simionescu, Werner, Markevitch, Wang

Bibcode: 2021MNRAS.504.2800I

DOI: 10.1093/mnras/stab1060

DOI 2: 10.48550/arXiv.2011.11227

Lees meer

Galaxy groups host the majority of matter and more than half of all the galaxies in the Universe. Their hot (107 K), X-ray emitting intra-group medium (IGrM) reveals emission lines…

Authors: Gastaldello, Simionescu, Mernier, Biffi, Gaspari, Sato, Matsushita

Bibcode: 2021Univ....7..208G

DOI: 10.3390/universe7070208

DOI 2: 10.48550/arXiv.2106.13258

Lees meer

We propose the development of X-ray interferometry (XRI), to reveal the Universe at high energies with ultra-high spatial resolution. With baselines which can be accommodated on a single spacecraft, XRI…

Authors: Uttley, Hartog, Bambi, Barret, Bianchi, Bursa, Cappi, Casella, Cash, Costantini, Dauser, Trigo, Gendreau, Grinberg, Herder, Ingram, Kara, Markoff, Mingo, Panessa, Poppenhäger, RóŻańska, Svoboda, Wijers, Willingale, Wilms, Wise

Bibcode: 2021ExA....51.1081U

DOI: 10.1007/s10686-021-09724-w

DOI 2: 10.48550/arXiv.1908.03144

Lees meer

We present a new study of the merger dynamics of A1775 by analyzing the high-quality Chandra and XMM-Newton archival data. We confirm/identify an arc-shaped edge (i.e., the head) at ∼48…

Authors: Hu, Xu, Zhu, Shan, Zhu, Fan, Zhao, Liu, Siew, Zhang, Gu, Johnston-Hollitt, Kang, Tan, Chang, Wu

Bibcode: 2021ApJ...913....8H

DOI: 10.3847/1538-4357/abf09e

DOI 2: 10.48550/arXiv.2103.03382

Lees meer

The accreting millisecond X-ray pulsar Swift J1756.9-2508 launched into an outburst in April 2018 and June 2019 – 8.7 years after the previous period of activity. We investigated the temporal,…

Authors: Li, Kuiper, Falanga, Poutanen, Tsygankov, Galloway, Bozzo, Pan, Huang, Zhang, Zhang

Bibcode: 2021A&A...649A..76L

DOI: 10.1051/0004-6361/202140360

DOI 2: 10.48550/arXiv.2102.11687

Lees meer

Context. The long-term carbonate silicate cycle plays an important role in the evolution of Earth’s climate and, therefore, may also be an important mechanism in the evolution of the climates…

Authors: Oosterloo, Höning, Kamp, van der Tak

Bibcode: 2021A&A...649A..15O

DOI: 10.1051/0004-6361/202039664

DOI 2: 10.48550/arXiv.2103.09505

Lees meer

Context. Ultra-hot Jupiters are the hottest exoplanets that have been discovered so far. Observations begin to provide insight into the composition of their extended atmospheres and their chemical day/night asymmetries.…

Authors: Helling, Lewis, Samra, Carone, Graham, Herbort, Chubb, Min, Waters, Parmentier, Mayne

Bibcode: 2021A&A...649A..44H

DOI: 10.1051/0004-6361/202039911

DOI 2: 10.48550/arXiv.2102.11688

Lees meer

Context. ALMA observations at 1.4 mm and ~0.”2 (~750 au) angular resolution of the Main core in the high-mass star-forming region G31.41+0.31 have revealed a puzzling scenario. On the one…

Authors: Beltrán, Rivilla, Cesaroni, Maud, Galli, Moscadelli, Lorenzani, Ahmadi, Beuther, Csengeri, Etoka, Goddi, Klaassen, Kuiper, Kumar, Peters, Sánchez-Monge, Schilke, van der Tak, Vig, Zinnecker

Bibcode: 2021A&A...648A.100B

DOI: 10.1051/0004-6361/202040121

DOI 2: 10.48550/arXiv.2103.04953

Lees meer

We use the SPace Infrared telescope for Cosmology and Astrophysics (SPICA) project as a template to demonstrate how deep spectrophotometric surveys covering large cosmological volumes over extended fields (1–$15, rm{deg^2}$)…

Authors: Spinoglio, Mordini, Fernández-Ontiveros, Alonso-Herrero, Armus, Bisigello, Calura, Carrera, Cooray, Dannerbauer, Decarli, Egami, Elbaz, Franceschini, González Alfonso, Graziani, Gruppioni, Hatziminaoglou, Kaneda, Kohno, Labiano, Magdis, Malkan, Matsuhara, Nagao, Naylor, Pereira-Santaella, Pozzi, Rodighiero,…

Bibcode: 2021PASA...38...21S

DOI: 10.1017/pasa.2021.13

DOI 2: 10.48550/arXiv.2103.03584

Lees meer

Context. Water is a key molecule in the physics and chemistry of star and planet formation, but it is difficult to observe from Earth. The Herschel Space Observatory provided unprecedented…

Authors: van Dishoeck, Kristensen, Mottram, Benz, Bergin, Caselli, Herpin, Hogerheijde, Johnstone, Liseau, Nisini, Tafalla, van der Tak, Wyrowski, Baudry, Benedettini, Bjerkeli, Blake, Braine, Bruderer, Cabrit, Cernicharo, Choi, Coutens, de Graauw, Dominik,…

Bibcode: 2021A&A...648A..24V

DOI: 10.1051/0004-6361/202039084

DOI 2: 10.48550/arXiv.2102.02225

Lees meer

Charge exchange between highly charged ions and neutral atoms and molecules has been considered as one of the important mechanisms controlling soft X-ray emissions in many astrophysical objects and environments.…

Authors: Xu, Xu, Zhang, Zhu, Feng, Gu, Liang, Guo, Gao, Zhao, Zhang, Su, Ma

Bibcode: 2021ApJS..253...13X

DOI: 10.3847/1538-4365/abd020

DOI 2: 10.48550/arXiv.2105.04438

Lees meer

The processes by which red supergiants lose mass are not fully understood thus-far and their mass-loss rates lack theoretical constraints. The ambient surroundings of the nearby M0.5 Iab star Antares…

Authors: Cannon, Montargès, de Koter, Decin, Min, Lagadec, Kervella, Sundqvist, Sana

Bibcode: 2021MNRAS.502..369C

DOI: 10.1093/mnras/stab018

DOI 2: 10.48550/arXiv.2101.02785

Lees meer

Here we present a publicly available database of opacities for molecules of astrophysical interest named ExoMolOP that has been compiled for over 80 species, and is based on the latest…

Authors: Chubb, Rocchetto, Yurchenko, Min, Waldmann, Barstow, Mollière, Al-Refaie, Phillips, Tennyson

Bibcode: 2021A&A...646A..21C

DOI: 10.1051/0004-6361/202038350

DOI 2: 10.48550/arXiv.2009.00687

Lees meer

We present an X-ray spectral analysis using XMM-Newton/EPIC observations (∼100 ks) of the merging galaxy cluster Abell 3365 (z = 0.093). Previous radio observations suggested the presence of a peripheral…

Authors: Urdampilleta, Simionescu, Kaastra, Zhang, Di Gennaro, Mernier, de Plaa, Brunetti

Bibcode: 2021A&A...646A..95U

DOI: 10.1051/0004-6361/201937160

Lees meer

The Nuclear Spectroscopic Telescope Array (NuSTAR) mission is the first focusing X-ray telescope in the hard X-ray (3-79 keV) band. Among the phenomena that can be studied in this energy…

Authors: Bachetti, Markwardt, Grefenstette, Gotthelf, Kuiper, Barret, Cook, Davis, Fürst, Forster, Harrison, Madsen, Miyasaka, Roberts, Tomsick, Walton

Bibcode: 2021ApJ...908..184B

DOI: 10.3847/1538-4357/abd1d6

DOI 2: 10.48550/arXiv.2009.10347

Lees meer

The accretion behaviour in low-mass X-ray binaries (LMXBs) at low luminosities, especially at <1034 erg s-1, is not well known. This is an important regime to study to obtain a…

Authors: Parikh, Degenaar, Hernández Santisteban, Wijnands, Psaradaki, Costantini, Modiano, Miller

Bibcode: 2021MNRAS.501.1453P

DOI: 10.1093/mnras/staa3734

Lees meer

Some observations, such as those presented in Walker et al., show that the observed entropy profiles of the intracluster medium (ICM) deviate from the power-law prediction of adiabatic simulations. This…

Authors: Zhu, Xu, Hu, Shan, Zhu, Fan, Zhao, Gu, Wu

Bibcode: 2021ApJ...908...17Z

DOI: 10.3847/1538-4357/abd327

DOI 2: 10.48550/arXiv.2101.05947

Lees meer

Context. The characterisation of exoplanet atmospheres has shown a wide diversity of compositions. Hot Jupiters have the appropriate temperatures to host metallic compounds, which should be detectable through transmission spectroscopy.…

Authors: Braam, van der Tak, Chubb, Min

Bibcode: 2021A&A...646A..17B

DOI: 10.1051/0004-6361/202039509

DOI 2: 10.48550/arXiv.2011.10558

Lees meer

Context. Atomic fine structure lines have been detected in the local Universe and at high redshifts over the past decades. The [C II] emission line at 158 μm is an…

Authors: Ramos Padilla, Wang, Ploeckinger, van der Tak, Trager

Bibcode: 2021A&A...645A.133R

DOI: 10.1051/0004-6361/202038207

DOI 2: 10.48550/arXiv.2011.13441

Lees meer

Context. Recent theoretical and observational studies debate the similarities of the formation process of high- (>8 M⊙) and low-mass stars. The formation of low-mass stars is directly associated with the…

Authors: Kavak, Sánchez-Monge, López-Sepulcre, Cesaroni, van der Tak, Moscadelli, Beltrán, Schilke

Bibcode: 2021A&A...645A..29K

DOI: 10.1051/0004-6361/202037652

DOI 2: 10.48550/arXiv.2011.14729

Lees meer

Context. High-ionisation lines in the soft X-ray band are generally associated to either interstellar hot gas along the line of sight or to photoionised gas intrinsic to the source. In…

Authors: Rogantini, Costantini, Mehdipour, Kuiper, Ranalli, Waters

Bibcode: 2021A&A...645A..98R

DOI: 10.1051/0004-6361/202037773

DOI 2: 10.48550/arXiv.2012.01381

Lees meer

Radio synchrotron emission from the bridges of low-density gas connecting galaxy clusters and groups is a challenge for particle acceleration processes. In this work, we analyze the Coma radio bridge…

Authors: Bonafede, Brunetti, Vazza, Simionescu, Giovannini, Bonnassieux, Shimwell, Brüggen, van Weeren, Botteon, Brienza, Cassano, Drabent, Feretti, de Gasperin, Gastaldello, di Gennaro, Rossetti, Rottgering, Stuardi, Venturi

Bibcode: 2021ApJ...907...32B

DOI: 10.3847/1538-4357/abcb8f

DOI 2: 10.48550/arXiv.2011.08856

Lees meer

Context. ALMA observations of Venus at 267 GHz that show the apparent presence of phosphine (PH3) in its atmosphere have been presented in the literature. Phosphine currently has no evident…

Authors: Snellen, Guzman-Ramirez, Hogerheijde, Hygate, van der Tak

Bibcode: 2020A&A...644L...2S

DOI: 10.1051/0004-6361/202039717

DOI 2: 10.48550/arXiv.2010.09761

Lees meer

Measured disc masses seem to be too low to form the observed population of planetary systems. In this context, we develop a population synthesis code in the pebble accretion scenario,…

Authors: Dash, Miguel

Bibcode: 2020MNRAS.499.3510D

DOI: 10.1093/mnras/staa3041

DOI 2: 10.48550/arXiv.2009.14228

Lees meer

In the last 25 years a new generation of X-ray satellites imparted a significant leap forward in our knowledge of X-ray pulsars. The discovery of accreting and transitional millisecond pulsars…

Authors: Papitto, Falanga, Hermsen, Mereghetti, Kuiper, Poutanen, Bozzo, Ambrosino, Coti Zelati, De Falco, de Martino, Di Salvo, Esposito, Ferrigno, Forot, Götz, Gouiffes, Iaria, Laurent, Li, Li, Mineo, Moran, Neronov, Paizis, Rea,…

Bibcode: 2020NewAR..9101544P

DOI: 10.1016/j.newar.2020.101544

DOI 2: 10.48550/arXiv.2012.01346

Lees meer

We are developing large Transition Edge Sensor (TES) arrays in combination with a frequency domain multiplexing readout for the next generation of X-ray space observatories. For operation under an AC-bias,…

Authors: de Wit, Gottardi, Taralli, Nagayoshi, Ridder, Akamatsu, Bruijn, D'Andrea, van der Kuur, Ravensberg, Vaccaro, Visser, Gao, den Herder

Bibcode: 2020JAP...128v4501D

DOI: 10.1063/5.0029669

DOI 2: 10.48550/arXiv.2107.09525

Lees meer

Context. The study of prestellar cores is critical as they set the initial conditions in star formation and determine the final mass of the stellar object. To date, several hypotheses…

Authors: Koumpia, Evans, Di Francesco, van der Tak, Oudmaijer

Bibcode: 2020A&A...643A..61K

DOI: 10.1051/0004-6361/202038457

DOI 2: 10.48550/arXiv.2009.08857

Lees meer

Recent work has demonstrated that high levels of X-ray and UV activity on young M dwarfs may drive rapid atmospheric escape on temperate, terrestrial planets orbiting within the habitable zone.…

Authors: France, Duvvuri, Egan, Koskinen, Wilson, Youngblood, Froning, Brown, Alvarado-Gómez, Berta-Thompson, Drake, Garraffo, Kaltenegger, Kowalski, Linsky, Loyd, Mauas, Miguel, Pineda, Rugheimer, Schneider, Tian, Vieytes

Bibcode: 2020AJ....160..237F

DOI: 10.3847/1538-3881/abb465

DOI 2: 10.48550/arXiv.2009.01259

Lees meer

Aims: We present ARCiS, a novel code for the analysis of exoplanet transmission and emission spectra. The aim of the modelling framework is to provide a tool able to link…

Authors: Min, Ormel, Chubb, Helling, Kawashima

Bibcode: 2020A&A...642A..28M

DOI: 10.1051/0004-6361/201937377

DOI 2: 10.48550/arXiv.2006.12821

Lees meer

Context. Previous Chandra observations of the Abell 3411-3412 merging galaxy cluster system revealed an outbound bullet-like sub-cluster in the northern part and many surface brightness edges at the southern periphery,…

Authors: Zhang, Simionescu, Akamatsu, Kaastra, de Plaa, van Weeren

Bibcode: 2020A&A...642A..89Z

DOI: 10.1051/0004-6361/202037965

DOI 2: 10.48550/arXiv.2007.15976

Lees meer

We present an analysis of archival Chandra data of the merging galaxy cluster ClG 0217+70. The Fe XXV Heα X-ray emission line is clearly visible in the 25 ks observation,…

Authors: Zhang, Simionescu, Kaastra, Akamatsu, Hoang, Stuardi, van Weeren, Rudnick, Kraft, Brown

Bibcode: 2020A&A...642L...3Z

DOI: 10.1051/0004-6361/202039028

DOI 2: 10.48550/arXiv.2009.07580

Lees meer

Interstellar dust permeates our Galaxy and plays an important role in many physical processes in the diffuse and dense regions of the interstellar medium (ISM). High-resolution X-ray spectroscopy, coupled with…

Authors: Psaradaki, Costantini, Mehdipour, Rogantini, de Vries, de Groot, Mutschke, Trasobares, Waters, Zeegers

Bibcode: 2020A&A...642A.208P

DOI: 10.1051/0004-6361/202038749

DOI 2: 10.48550/arXiv.2009.06244

Lees meer

IGR J17591-2342 is an accreting millisecond X-ray pulsar, discovered with INTEGRAL, which went into outburst around July 21, 2018. To better understand the physics acting in these systems during the…

Authors: Kuiper, Tsygankov, Falanga, Mereminskiy, Galloway, Poutanen, Li

Bibcode: 2020A&A...641A..37K

DOI: 10.1051/0004-6361/202037812

DOI 2: 10.48550/arXiv.2002.12154

Lees meer

We report very-low-noise, fast-response, middle-scale multiplexing in a microwave superconducting quantum interference device multiplexer (MW-Mux) as a transition-edge sensor (TES) readout. Our MW-Mux is able to read 40 channels with…

Authors: Nakashima, Hirayama, Kohjiro, Yamamori, Nagasawa, Sato, Yamada, Hayakawa, Yamasaki, Mitsuda, Nagayoshi, Akamatsu, Gottardi, Taralli, Bruijn, Ridder, Gao, den Herder

Bibcode: 2020ApPhL.117l2601N

DOI: 10.1063/5.0016333

Lees meer

The Hitomi results for the Perseus cluster have shown that accurate atomic models are essential to the success of X-ray spectroscopic missions and just as important as the store of…

Authors: Gu, Shah, Mao, Raassen, de Plaa, Pinto, Akamatsu, Werner, Simionescu, Mernier, Sawada, Mohanty, Amaro, Gu, Porter, Crespo López-Urrutia, Kaastra

Bibcode: 2020A&A...641A..93G

DOI: 10.1051/0004-6361/202037948

DOI 2: 10.48550/arXiv.2007.03843

Lees meer

Context. The dense Galactic environment is a large reservoir of interstellar dust. Therefore, this region represents a perfect laboratory to study the properties of cosmic dust grains. X-rays are the…

Authors: Rogantini, Costantini, Zeegers, Mehdipour, Psaradaki, Raassen, de Vries, Waters

Bibcode: 2020A&A...641A.149R

DOI: 10.1051/0004-6361/201936805

DOI 2: 10.48550/arXiv.2007.03329

Lees meer

Context. Having a short orbital period and being tidally locked makes WASP-43b an ideal candidate for the James Webb Space Telescope (JWST) phase curve measurements. Phase curve observations of an…

Authors: Helling, Kawashima, Graham, Samra, Chubb, Min, Waters, Parmentier

Bibcode: 2020A&A...641A.178H

DOI: 10.1051/0004-6361/202037633

DOI 2: 10.48550/arXiv.2005.14595

Lees meer

Dust in the Interstellar Medium (ISM) is intimately linked to the life cycle of stars. Despite being of such fundamental importance to galaxy evolution, the dynamic behaviour and composition of…

Authors: Capitanio, Bartylak, Cui, Engegaard, Gassner, Heinemann, Kargl, Latzko, Madonia, May, Postel, Rodriguez Munoz, Schwarzkopf, Shipman, Skalidis, Trivino Herrero, Wikman

Bibcode: 2020ExA....50..145C

DOI: 10.1007/s10686-020-09667-8

Lees meer

Resonance scattering (RS) is an important process in astronomical objects, because it affects measurements of elemental abundances and distorts surface brightness of the object. It is predicted that RS can…

Authors: Amano, Uchida, Tanaka, Gu, Tsuru

Bibcode: 2020ApJ...897...12A

DOI: 10.3847/1538-4357/ab90fc

DOI 2: 10.48550/arXiv.2005.04626

Lees meer

We present the results of deep Chandra and XMM-Newton X-ray imaging and spatially resolved spectroscopy of Abell 2256, a nearby (z = 0.058) galaxy cluster experiencing multiple mergers and displaying…

Authors: Breuer, Werner, Mernier, Mroczkowski, Simionescu, Clarke, ZuHone, Di Mascolo

Bibcode: 2020MNRAS.495.5014B

DOI: 10.1093/mnras/staa1492

DOI 2: 10.48550/arXiv.2005.10263

Lees meer

We present LOFAR observations of one of the most spectacular objects in the radio sky: Abell 2255. This is a nearby (z = 0.0806) merging galaxy cluster hosting one of…

Authors: Botteon, Brunetti, van Weeren, Shimwell, Pizzo, Cassano, Iacobelli, Gastaldello, Bîrzan, Bonafede, Brüggen, Cuciti, Dallacasa, de Gasperin, Di Gennaro, Drabent, Hardcastle, Hoeft, Mandal, Röttgering, Simionescu

Bibcode: 2020ApJ...897...93B

DOI: 10.3847/1538-4357/ab9a2f

DOI 2: 10.48550/arXiv.2006.04808

Lees meer

We have conducted a re-analysis of publicly available Hubble Space Telescope Wide Field Camera 3 (HST WFC3) transmission data for the hot-Jupiter exoplanet WASP-43b, using the Bayesian retrieval package Tau-REx.…

Authors: Chubb, Min, Kawashima, Helling, Waldmann

Bibcode: 2020A&A...639A...3C

DOI: 10.1051/0004-6361/201937267

DOI 2: 10.48550/arXiv.2004.13679

Lees meer

Context. M 33 is a gas rich spiral galaxy of the Local Group. Its vicinity allows us to study its interstellar medium (ISM) on linear scales corresponding to the sizes…

Authors: Kramer, Nikola, Anderl, Bertoldi, Boquien, Braine, Buchbender, Combes, Henkel, Hermelo, Israel, Relaño, Röllig, Schuster, Tabatabaei, van der Tak, Verley, van der Werf, Wiedner, Xilouris

Bibcode: 2020A&A...639A..61K

DOI: 10.1051/0004-6361/201936754

DOI 2: 10.48550/arXiv.2005.03683

Lees meer

Context. Exoplanet atmosphere characterisation has become an important tool in understanding exoplanet formation, evolution, and it also is a window into potential habitability. However, clouds remain a key challenge for…

Authors: Samra, Helling, Min

Bibcode: 2020A&A...639A.107S

DOI: 10.1051/0004-6361/202037553

DOI 2: 10.48550/arXiv.2004.13502

Lees meer

The observed low densities of gas giant planets with a high equilibrium temperature (hot Jupiters) can be simulated in models when a fraction of the surface radiation is deposited deeper…

Authors: Mol Lous, Miguel

Bibcode: 2020MNRAS.495.2994M

DOI: 10.1093/mnras/staa1405

DOI 2: 10.48550/arXiv.2005.04927

Lees meer

Based mainly on X-ray observations, we study the interactions between the intracluster medium (ICM) in clusters of galaxies and their member galaxies. Through (magneto)hydrodynamic and gravitational channels, moving galaxies are…

Authors: Gu, Makishima, Matsumoto, Nakazawa, Shimasaku, Inada, Kodama, Xu, Kawaharada

Bibcode: 2020A&A...638A.138G

DOI: 10.1051/0004-6361/201936437

DOI 2: 10.48550/arXiv.2005.01883

Lees meer

Context. In the Solar System, minor bodies and dust deliver various materials to planetary surfaces. Several exoplanetary systems are known to host inner and outer belts, analogues of the main…

Authors: Frantseva, Mueller, Pokorný, van der Tak, ten Kate

Bibcode: 2020A&A...638A..50F

DOI: 10.1051/0004-6361/201936783

DOI 2: 10.48550/arXiv.2005.13562

Lees meer

Cosmic EUV/x-ray spectroscopists, including both solar and astrophysical analysts, have a wide range of high-resolution and high-sensitivity tools in use and a number of new facilities in development for launch.…

Authors: Smith, Hahn, Raymond, Kallman, Ballance, Polito, Del Zanna, Gu, Hell, Cumbee, Betancourt-Martinez, Costantini, Corrales

Bibcode: 2020JPhB...53i2001S

DOI: 10.1088/1361-6455/ab69aa

Lees meer

Context. Assuming our Solar System as typical, exomoons may outnumber exoplanets. If their habitability fraction is similar, they would thus constitute the largest portion of habitable real estate in the…

Authors: Tjoa, Mueller, van der Tak

Bibcode: 2020A&A...636A..50T

DOI: 10.1051/0004-6361/201937035

DOI 2: 10.48550/arXiv.2003.09231

Lees meer

Context. As a building block for amino acids, formamide (NH2CHO) is an important molecule in astrobiology and astrochemistry, but its formation path in the interstellar medium is not understood well.…

Authors: Allen, van der Tak, López-Sepulcre, Sánchez-Monge, Rivilla, Cesaroni

Bibcode: 2020A&A...636A..67A

DOI: 10.1051/0004-6361/201935791

DOI 2: 10.48550/arXiv.1912.12347

Lees meer

The Leiden Atomic and Molecular Database (LAMDA) collects spectroscopic information and collisional rate coefficients for molecules, atoms, and ions of astrophysical and astrochemical interest. We describe the developments of the…

Authors: van der Tak, Lique, Faure, Black, van Dishoeck

Bibcode: 2020Atoms...8...15V

DOI: 10.3390/atoms8020015

DOI 2: 10.48550/arXiv.2004.11230

Lees meer

Superconducting transition-edge sensors (TESs) are highly sensitive detectors. Based on the outstanding performance on spectral resolution, the X-ray integral field unit (X-IFU) instrument on-board athena will be equipped with a…

Authors: Ridder, Nagayoshi, Bruijn, Gottardi, Taralli, Khosropanah, Akamatsu, van der Kuur, Ravensberg, Visser, Nieuwenhuizen, Gao, den Herder

Bibcode: 2020JLTP..199..962R

DOI: 10.1007/s10909-020-02401-w

Lees meer

To understand how phosphorus (P)-bearing molecules are formed in star-forming regions, we have analysed the Atacama Large Millimeter/Submillimeter Array (ALMA) observations of PN and PO towards the massive star-forming region…

Authors: Rivilla, Drozdovskaya, Altwegg, Caselli, Beltrán, Fontani, van der Tak, Cesaroni, Vasyunin, Rubin, Lique, Marinakis, Testi, Rosina Team, Balsiger, Berthelier, de Keyser, Fiethe, Fuselier, Gasc, Gombosi, Sémon, Tzou

Bibcode: 2020MNRAS.492.1180R

DOI: 10.1093/mnras/stz3336

DOI 2: 10.48550/arXiv.1911.11647

Lees meer

Context. Obscuration events caused by outflowing clumps or streams of high column density and low ionised gas, shown to absorb the X-ray continuum heavily, have been witnessed across a number…

Authors: De Marco, Adhikari, Ponti, Bianchi, Kriss, Arav, Behar, Branduardi-Raymont, Cappi, Costantini, Costanzo, di Gesu, Ebrero, Kaastra, Kaspi, Mao, Markowitz, Matt, Mehdipour, Middei, Paltani, Petrucci, Pinto, Różańska, Walton

Bibcode: 2020A&A...634A..65D

DOI: 10.1051/0004-6361/201936470

DOI 2: 10.48550/arXiv.1911.12772

Lees meer

Accurate chemical abundance measurements of X‑ray‑emitting atmospheres pervading massive galaxies, galaxy groups, and clusters provide essential information on the star formation and chemical enrichment histories of these large‑scale structures. Although…

Authors: Mernier, Werner, Lakhchaura, de Plaa, Gu, Kaastra, Mao, Simionescu, Urdampilleta

Bibcode: 2020AN....341..203M

DOI: 10.1002/asna.202023779

DOI 2: 10.48550/arXiv.1911.09684

Lees meer

The properties (temperature, density, chemical composition, velocity) of hot astrophysical plasma and the physical processes affecting them (heating/cooling, turbulence, shocks, acceleration) can be probed by high‑resolution X‑ray spectroscopy, to be…

Authors: Barret, Decourchelle, Fabian, Guainazzi, Nandra, Smith, den Herder

Bibcode: 2020AN....341..224B

DOI: 10.1002/asna.202023782

DOI 2: 10.48550/arXiv.1912.04615

Lees meer

Aims: Our aim was to directly detect the thermal emission of the putative exoring system responsible for the complex deep transits observed in the light curve for the young Sco-Cen…

Authors: Kenworthy, Klaassen, Min, van der Marel, Bohn, Kama, Triaud, Hales, Monkiewicz, Scott, Mamajek

Bibcode: 2020A&A...633A.115K

DOI: 10.1051/0004-6361/201936141

DOI 2: 10.48550/arXiv.1912.03314

Lees meer

We present the data reduction software and the distribution of Level 1 and Level 2 products of the Stratospheric Terahertz Observatory 2 (STO2). STO2, a balloon-borne Terahertz telescope, surveyed star-forming…

Authors: Seo, Goldsmith, Tolls, Shipman, Kulesa, Peters, Walker, Melnick

Bibcode: 2020JAI.....950011S

DOI: 10.1142/S2251171720500117

DOI 2: 10.48550/arXiv.2009.01203

Lees meer

The SPICA-SAFARI instrument requires extremely sensitive transition edge sensor (TES) arrays with a noise equivalent power of 2 ×10-19W/√{Hz} and a readout system with an output noise that is dominated…

Authors: Wang, Audley, Khosropanah, van der Kuur, de Lange, Aminaei, Boersma, van der Tak, Gao

Bibcode: 2020JLTP..199..817W

DOI: 10.1007/s10909-019-02328-x

Lees meer

Aims: We aim to investigate and characterise the photoionised X-ray emission line regions within the Seyfert 1 galaxy NGC 7469. Methods: We applied the photoionisation model, PION, within the spectral…

Authors: Grafton-Waters, Branduardi-Raymont, Mehdipour, Page, Behar, Kaastra, Arav, Bianchi, Costantini, Ebrero, Di Gesu, Kaspi, Kriss, De Marco, Mao, Middei, Peretz, Petrucci, Ponti

Bibcode: 2020A&A...633A..62G

DOI: 10.1051/0004-6361/201935815

DOI 2: 10.48550/arXiv.1907.01946

Lees meer

Context. AGN outflows are thought to influence the evolution of their host galaxies and their super massive black holes. To better understand these outflows, we executed a deep multiwavelength campaign…

Authors: Arav, Xu, Kriss, Chamberlain, Miller, Behar, Kaastra, Ely, Peretz, Mehdipour, Branduardi-Raymont, Bianchi, Cappi, Costantini, De Marco, di Gesu, Ebrero, Kaspi, Middei, Petrucci, Ponti

Bibcode: 2020A&A...633A..61A

DOI: 10.1051/0004-6361/201935342

DOI 2: 10.48550/arXiv.1910.11249

Lees meer

Supermassive black holes (SMBHs) are thought to provide energy that prevents catastrophic cooling in the centers of massive galaxies and galaxy clusters. However, it remains unclear how this “feedback” process…

Authors: Li, Gendron-Marsolais, Zhuravleva, Xu, Simionescu, Tremblay, Lochhaas, Bryan, Quataert, Murray, Boselli, Hlavacek-Larrondo, Zheng, Fossati, Li, Emsellem, Sarzi, Arzamasskiy, Vishniac

Bibcode: 2020ApJ...889L...1L

DOI: 10.3847/2041-8213/ab65c7

DOI 2: 10.48550/arXiv.1911.06329

Lees meer

Context. The hydrogen fluoride (HF) molecule is seen in absorption in the interstellar medium (ISM) along many lines of sight. Surprisingly, it is observed in emission toward the Orion Bar,…

Authors: Kavak, van der Tak, Tielens, Shipman

Bibcode: 2019A&A...631A.117K

DOI: 10.1051/0004-6361/201936127

DOI 2: 10.48550/arXiv.1910.00707

Lees meer

Phosphorus nitride (PN) is the P-bearing species with the highest number of detections in star-forming regions. Multiline studies of the molecule have shown that the excitation temperature of PN is…

Authors: Fontani, Rivilla, van der Tak, Mininni, Beltrán, Caselli

Bibcode: 2019MNRAS.489.4530F

DOI: 10.1093/mnras/stz2446

DOI 2: 10.48550/arXiv.1908.11280

Lees meer

Context. Galaxy mergers and interactions are an integral part of our basic understanding of how galaxies grow and evolve over time. However, the effect that galaxy mergers have on star-formation…

Authors: Pearson, Wang, Alpaslan, Baldry, Bilicki, Brown, Grootes, Holwerda, Kitching, Kruk, van der Tak

Bibcode: 2019A&A...631A..51P

DOI: 10.1051/0004-6361/201936337

DOI 2: 10.48550/arXiv.1908.10115

Lees meer

Context. Post-asymptotic giant branch (AGB) binaries are surrounded by circumbinary disks of gas and dust that are similar to protoplanetary disks found around young stars. Aims: We aim to understand…

Authors: Kluska, Van Winckel, Hillen, Berger, Kamath, Le Bouquin, Min

Bibcode: 2019A&A...631A.108K

DOI: 10.1051/0004-6361/201935785

DOI 2: 10.48550/arXiv.1909.03692

Lees meer

Context. Studying absorption and scattering of X-ray radiation by interstellar dust grains allows us to access the physical and chemical properties of cosmic grains even in the densest regions of…

Authors: Rogantini, Costantini, Zeegers, de Vries, Mehdipour, de Groot, Mutschke, Psaradaki, Waters

Bibcode: 2019A&A...630A.143R

DOI: 10.1051/0004-6361/201935883

DOI 2: 10.48550/arXiv.1909.00652

Lees meer

The second flight of the Stratospheric Terahertz Observatory (STO-2) was a balloon mission to survey parts of the Galactic Plane at [CII] transition at 1.9 THz. STO-2 surveyed approximately 2.5…

Authors: Shipman, Seo, Tolls, Peters, Kavak, Kulesa, Walker

Bibcode: 2019ASPC..523..617S

Lees meer

We present XMM-Newton/EPIC observations of six merging galaxy clusters and study the distributions of their temperature, iron (Fe) abundance and pseudo-entropy along the merging axis. For the first time, we…

Authors: Urdampilleta, Mernier, Kaastra, Simionescu, de Plaa, Kara, Ercan

Bibcode: 2019A&A...629A..31U

DOI: 10.1051/0004-6361/201935452

DOI 2: 10.48550/arXiv.1906.08067

Lees meer

Aims: We present a study on the prospects of observing carbon, sulfur, and other lower abundance elements (namely Al, Ca, Ti, and Ni) present in the interstellar medium using future…

Authors: Costantini, Zeegers, Rogantini, de Vries, Tielens, Waters

Bibcode: 2019A&A...629A..78C

DOI: 10.1051/0004-6361/201833820

DOI 2: 10.48550/arXiv.1906.08653

Lees meer

We model the ultraviolet spectra of the Seyfert 1 galaxy NGC 5548 obtained with the Hubble Space Telescope during the 6 month reverberation mapping campaign in 2014. Our model of…

Authors: Kriss, De Rosa, Ely, Peterson, Kaastra, Mehdipour, Ferland, Dehghanian, Mathur, Edelson, Korista, Arav, Barth, Bentz, Brandt, Crenshaw, Dalla Bontà, Denney, Done, Eracleous, Fausnaugh, Gardner, Goad, Grier, Horne, Kochanek, McHardy, Netzer,…

Bibcode: 2019ApJ...881..153K

DOI: 10.3847/1538-4357/ab3049

DOI 2: 10.48550/arXiv.1907.03874

Lees meer

The Galactic supernova remnant (SNR) MSH 15-56 is a member of the class of composite SNRs that consists of the remnant shell and a displaced pulsar wind nebula (PWN). The…

Authors: Cesur, Sezer, de Plaa, Vink

Bibcode: 2019AdSpR..64..759C

DOI: 10.1016/j.asr.2019.05.010

DOI 2: 10.48550/arXiv.1905.12473

Lees meer

Space Infrared Telescope for Cosmology and Astrophysics (SPICA), the cryogenic infrared space telescope recently pre-selected for a `Phase A’ concept study as one of the three remaining candidates for European…

Authors: André, Hughes, Guillet, Boulanger, Bracco, Ntormousi, Arzoumanian, Maury, Bernard, Bontemps, Ristorcelli, Girart, Motte, Tassis, Pantin, Montmerle, Johnstone, Gabici, Efstathiou, Basu, Béthermin, Beuther, Braine, Francesco, Falgarone, Ferrière, Fletcher, Galametz, Giard, Hennebelle,…

Bibcode: 2019PASA...36...29A

DOI: 10.1017/pasa.2019.20

DOI 2: 10.48550/arXiv.1905.03520

Lees meer

We present the highest angular resolution (∼20 × 15 mas-44 × 33 au) Atacama Large Millimeter/sub-millimeter Array (ALMA) observations that are currently possible of the proto-O-star G17.64+0.16 in Band 6.…

Authors: Maud, Cesaroni, Kumar, Rivilla, Ginsburg, Klaassen, Harsono, Sánchez-Monge, Ahmadi, Allen, Beltrán, Beuther, Galván-Madrid, Goddi, Hoare, Hogerheijde, Johnston, Kuiper, Moscadelli, Peters, Testi, van der Tak, de Wit

Bibcode: 2019A&A...627L...6M

DOI: 10.1051/0004-6361/201935633

DOI 2: 10.48550/arXiv.1906.06548

Lees meer

We have carried out polarimetric observations with the Atacama Large Millimeter/submillimeter Array toward the Class 0 protostellar system L1448 IRS 2, which is a protobinary embedded within a flattened, rotating…

Authors: Kwon, Stephens, Tobin, Looney, Li, van der Tak, Crutcher

Bibcode: 2019ApJ...879...25K

DOI: 10.3847/1538-4357/ab24c8

DOI 2: 10.48550/arXiv.1805.07348

Lees meer

The high-resolution X-ray spectrum of the Perseus galaxy cluster observed with the Hitomi satellite challenges astrophysical collisional ionized plasma models that are widely used in the community. Although Hitomi spun…

Authors: Mao, Mernier, Kaastra, Gu, Mehdipour, de Plaa

Bibcode: 2019JInst..14C7012M

DOI: 10.1088/1748-0221/14/07/C07012

DOI 2: 10.48550/arXiv.1907.05963

Lees meer

MRC 0116 + 111 is a nearby (z = 0.132) poor galaxy group, which was previously known for exhibiting a bright diffuse radio emission with no central point-like source, presumably…

Authors: Mernier, Werner, Bagchi, Simionescu, Böhringer, Allen, Jacob

Bibcode: 2019MNRAS.486.5430M

DOI: 10.1093/mnras/stz1228

DOI 2: 10.48550/arXiv.1902.09560

Lees meer

Context. The composition and properties of interstellar silicate dust are not well understood. In X-rays, interstellar dust can be studied in detail by making use of the fine structure features…

Authors: Zeegers, Costantini, Rogantini, de Vries, Mutschke, Mohr, de Groot, Tielens

Bibcode: 2019A&A...627A..16Z

DOI: 10.1051/0004-6361/201935050

DOI 2: 10.48550/arXiv.1905.06560

Lees meer

The Hitomi results on the Perseus cluster have led to improvements in our knowledge of atomic physics that are crucial for the precise diagnostic of hot astrophysical plasma observed with…

Authors: Gu, Raassen, Mao, de Plaa, Shah, Pinto, Werner, Simionescu, Mernier, Kaastra

Bibcode: 2019A&A...627A..51G

DOI: 10.1051/0004-6361/201833860

DOI 2: 10.48550/arXiv.1905.07871

Lees meer

Context. Mergers are an important aspect of galaxy formation and evolution. With large upcoming surveys, such as Euclid and LSST, accurate techniques that are fast and efficient are needed to…

Authors: Pearson, Wang, Trayford, Petrillo, van der Tak

Bibcode: 2019A&A...626A..49P

DOI: 10.1051/0004-6361/201935355

DOI 2: 10.48550/arXiv.1902.10626

Lees meer

The European FP7 project DIANA has performed a coherent analysis of a large set of observational data of protoplanetary disks by means of thermo-chemical disk models. The collected data include…

Authors: Woitke, Kamp, Antonellini, Anthonioz, Baldovin-Saveedra, Carmona, Dionatos, Dominik, Greaves, Güdel, Ilee, Liebhardt, Menard, Min, Pinte, Rab, Rigon, Thi, Thureau, Waters

Bibcode: 2019PASP..131f4301W

DOI: 10.1088/1538-3873/aaf4e5

DOI 2: 10.48550/arXiv.1812.02741

Lees meer

Clusters of galaxies are the largest known gravitationally bound structures in the Universe. When clusters collide, they create merger shocks on cosmological scales, which transform most of the kinetic energy…

Authors: Gu, Akamatsu, Shimwell, Intema, van Weeren, de Gasperin, Mernier, Mao, Urdampilleta, de Plaa, Parekh, Röttgering, Kaastra

Bibcode: 2019NatAs...3..838G

DOI: 10.1038/s41550-019-0798-8

DOI 2: 10.48550/arXiv.1906.10285

Lees meer

We present observations of the Trumpler 14/Carina I region carried out using the Stratospheric Terahertz Observatory 2. The Trumpler 14/Carina I region is in the western part of the Carina…

Authors: Seo, Goldsmith, Walker, Hollenbach, Wolfire, Kulesa, Tolls, Bernasconi, Kavak, van der Tak, Shipman, Gao, Tielens, Burton, Yorke, Young, Peters, Young, Groppi, Davis, Pineda, Langer, Kawamura, Stark, Melnick, Rebolledo, Wong, Horiuchi,…

Bibcode: 2019ApJ...878..120S

DOI: 10.3847/1538-4357/ab2043

DOI 2: 10.48550/arXiv.1903.09517

Lees meer

Isolated spinning neutron stars, asymmetric with respect to their rotation axis, are expected to be sources of continuous gravitational waves. The most sensitive searches for these sources are based on…

Authors: Abbott, Abbott, Abbott, Abraham, Acernese, Ackley, Adams, Adhikari, Adya, Affeldt, Agathos, Agatsuma, Aggarwal, Aguiar, Aiello, Ain, Ajith, Allen, Allocca, Aloy, Altin, Amato, Ananyeva, Anderson, Anderson, Angelova, Antier, Appert, Arai, Araya,…

Bibcode: 2019PhRvD..99l2002A

DOI: 10.1103/PhysRevD.99.122002

DOI 2: 10.48550/arXiv.1902.08442

Lees meer

Context. The physical conditions during high-mass star formation are poorly understood. Outflow and infall motions have been detected around massive protostellar objects, but their dependence on mass, luminosity, and age…

Authors: van der Tak, Shipman, Jacq, Herpin, Braine, Wyrowski

Bibcode: 2019A&A...625A.103V

DOI: 10.1051/0004-6361/201833788

DOI 2: 10.48550/arXiv.1903.11305

Lees meer

Context. Consistent modeling of protoplanetary disks requires the simultaneous solution of both continuum and line radiative transfer, heating and cooling balance between dust and gas and, of course, chemistry. Such…

Authors: Dionatos, Woitke, Güdel, Degroote, Liebhart, Anthonioz, Antonellini, Baldovin-Saavedra, Carmona, Dominik, Greaves, Ilee, Kamp, Ménard, Min, Pinte, Rab, Rigon, Thi, Waters

Bibcode: 2019A&A...625A..66D

DOI: 10.1051/0004-6361/201832860

DOI 2: 10.48550/arXiv.1902.11204

Lees meer

We have investigated the relation between the two modes of outflow (wind and jet) in radio-loud active galactic nuclei (AGN). For this study we have carried out a systematic and…

Authors: Mehdipour, Costantini

Bibcode: 2019A&A...625A..25M

DOI: 10.1051/0004-6361/201935205

DOI 2: 10.48550/arXiv.1903.11605

Lees meer

The HIFI data processing pipeline was developed to systematically process diagnostic, calibration and astronomical observations taken with the HIFI science instrument as part of the Herschel mission. The HIFI pipeline…

Authors: Edwards, Shipman, Kester, Lorenzani, Melchior

Bibcode: 2019A&C....27..156E

DOI: 10.1016/j.ascom.2019.04.003

DOI 2: 10.48550/arXiv.1905.04029

Lees meer

The relative importance of the physical processes shaping the thermodynamics of the hot gas permeating rotating, massive early-type galaxies is expected to be different from that in non-rotating systems. Here,…

Authors: Juráňová, Werner, Gaspari, Lakhchaura, Nulsen, Sun, Canning, Allen, Simionescu, Oonk, Connor, Donahue

Bibcode: 2019MNRAS.484.2886J

DOI: 10.1093/mnras/stz185

DOI 2: 10.48550/arXiv.1808.05761

Lees meer

Aims: To elucidate the location, physical conditions, mass outflow rate, and kinetic luminosity of the outflow from the active nucleus of the Seyfert 1 galaxy Mrk 509, we used coordinated…

Authors: Kriss, Arav, Edmonds, Ely, Kaastra, Bianchi, Cappi, Costantini, Ebrero, Mehdipour, Paltani, Petrucci, Ponti

Bibcode: 2019A&A...623A..82K

DOI: 10.1051/0004-6361/201834816

DOI 2: 10.48550/arXiv.1901.07432

Lees meer

The detailed velocity structure of the diffuse X-ray emitting intra-cluster medium (ICM) remains one of the last missing key ingredients in understanding the microphysical properties of these hot baryons and…

Authors: Simionescu, ZuHone, Zhuravleva, Churazov, Gaspari, Nagai, Werner, Roediger, Canning, Eckert, Gu, Paerels

Bibcode: 2019SSRv..215...24S

DOI: 10.1007/s11214-019-0590-1

DOI 2: 10.48550/arXiv.1902.00024

Lees meer

In this White Paper we present the potential of the enhanced X-ray Timing and Polarimetry (eXTP) mission for studies related to Observatory Science targets. These include flaring stars, supernova remnants,…

Authors: in't Zand, Bozzo, Qu, Li, Amati, Chen, Donnarumma, Doroshenko, Drake, Hernanz, Jenke, Maccarone, Mahmoodifar, de Martino, De Rosa, Rossi, Rowlinson, Sala, Stratta, Tauris, Wilms, Wu, Zhou, Agudo, Altamirano, Atteia, Andersson,…

Bibcode: 2019SCPMA..6229506I

DOI: 10.1007/s11433-017-9186-1

DOI 2: 10.48550/arXiv.1812.04023

Lees meer

High-resolution spectroscopy of the core of the Perseus Cluster of galaxies, using the Hitomi satellite above 2 keV and the XMM-Newton Reflection Grating Spectrometer at lower energies, provides reliable constraints…

Authors: Simionescu, Nakashima, Yamaguchi, Matsushita, Mernier, Werner, Tamura, Nomoto, de Plaa, Leung, Bamba, Bulbul, Eckart, Ezoe, Fabian, Fukazawa, Gu, Ichinohe, Ishigaki, Kaastra, Kilbourne, Kitayama, Leutenegger, Loewenstein, Maeda, Miller, Mushotzky, Noda, Pinto,…

Bibcode: 2019MNRAS.483.1701S

DOI: 10.1093/mnras/sty3220

DOI 2: 10.48550/arXiv.1806.00932

Lees meer

Charge exchange (CX) is an important process in shock physics because it indicates an interaction between downstream ions and ambient neutral hydrogen, suggesting the presence of a collisionless shock. We…

Authors: Uchida, Katsuda, Tsunemi, Mori, Gu, Cumbee, Petre, Tanaka

Bibcode: 2019ApJ...871..234U

DOI: 10.3847/1538-4357/aaf8a6

DOI 2: 10.48550/arXiv.1812.06616

Lees meer

X-ray substructures in clusters of galaxies provide indirect clues about the microphysical properties of the intracluster medium (ICM), which are still not very well known. In order to investigate X-ray…

Authors: Ichinohe, Simionescu, Werner, Fabian, Takahashi

Bibcode: 2019MNRAS.483.1744I

DOI: 10.1093/mnras/sty3257

DOI 2: 10.48550/arXiv.1810.07380

Lees meer

We present a morphological classification of 14,245 radio active galactic nuclei (AGNs) into six types, i.e., typical Fanaroff-Riley Class I/II (FRI/II), FRI/II-like bent-tailed, X-shaped radio galaxy, and ringlike radio galaxy,…

Authors: Ma, Xu, Zhu, Hu, Li, Shan, Zhu, Gu, Li, Liu, Wu

Bibcode: 2019ApJS..240...34M

DOI: 10.3847/1538-4365/aaf9a2

DOI 2: 10.48550/arXiv.1812.07190

Lees meer

Context. Understanding of clouds is instrumental in interpreting current and future spectroscopic observations of exoplanets. Modeling clouds consistently is complex, since it involves many facets of chemistry, nucleation theory, condensation…

Authors: Ormel, Min

Bibcode: 2019A&A...622A.121O

DOI: 10.1051/0004-6361/201833678

DOI 2: 10.48550/arXiv.1812.05053

Lees meer

Our Swift monitoring program triggered two joint XMM-Newton, NuSTAR, and HST observations on 11 and 21 December 2016 targeting NGC 3783 because its soft X-ray continuum was heavily obscured. Consequently,…

Authors: Mao, Mehdipour, Kaastra, Costantini, Pinto, Branduardi-Raymont, Behar, Peretz, Bianchi, Kriss, Ponti, De Marco, Petrucci, Di Gesu, Middei, Ebrero, Arav

Bibcode: 2019A&A...621A..99M

DOI: 10.1051/0004-6361/201833191

DOI 2: 10.48550/arXiv.1811.11579

Lees meer

As the largest virialized structures in the universe, galaxy clusters continue to grow and accrete matter from the cosmic web. Due to the low gas density in the outskirts of…

Authors: Walker, Simionescu, Nagai, Okabe, Eckert, Mroczkowski, Akamatsu, Ettori, Ghirardini

Bibcode: 2019SSRv..215....7W

DOI: 10.1007/s11214-018-0572-8

DOI 2: 10.48550/arXiv.1810.00890

Lees meer

Context. Chemical abundances in the X-ray halos (also known as the intracluster medium, ICM) of clusters and groups of galaxies can be measured via prominent emission line features in their…

Authors: Mao, de Plaa, Kaastra, Pinto, Gu, Mernier, Yan, Zhang, Akamatsu

Bibcode: 2019A&A...621A...9M

DOI: 10.1051/0004-6361/201730931

DOI 2: 10.48550/arXiv.1809.04870

Lees meer

Aims: To understand the nature of transient obscuring outflows in active galactic nuclei, we use simultaneous multiwavelength observations with XMM-Newton, NuSTAR, the Hubble Space Telescope (HST), and the Max Planck…

Authors: Kriss, Mehdipour, Kaastra, Rau, Bodensteiner, Plesha, Arav, Behar, Bianchi, Branduardi-Raymont, Cappi, Costantini, De Marco, Di Gesu, Ebrero, Kaspi, Mao, Middei, Miller, Paltani, Peretz, Peterson, Petrucci, Ponti, Ursini, Walton, Xu

Bibcode: 2019A&A...621A..12K

DOI: 10.1051/0004-6361/201834326

DOI 2: 10.48550/arXiv.1810.12206

Lees meer

We chose the bright compact group HCG 62, which has been found to exhibit both excess X-ray emission and high Fe abundance to the southwest of its core, as an…

Authors: Hu, Xu, Kang, Li, Zhu, Ma, Shan, Zhang, Gu, Liu, Zheng, Wu

Bibcode: 2019ApJ...870...61H

DOI: 10.3847/1538-4357/aaf16c

DOI 2: 10.48550/arXiv.1811.05782

Lees meer

Four decades ago, the firm detection of an Fe-K emission feature in the X-ray spectrum of the Perseus cluster revealed the presence of iron in its hot intracluster medium (ICM).…

Authors: Mernier, Biffi, Yamaguchi, Medvedev, Simionescu, Ettori, Werner, Kaastra, de Plaa, Gu

Bibcode: 2018SSRv..214..129M

DOI: 10.1007/s11214-018-0565-7

DOI 2: 10.48550/arXiv.1811.01967

Lees meer

With the recent discovery of a dozen dusty star-forming galaxies and around 30 quasars at z > 5 that are hyper-luminous in the infrared (μ L IR > 1013 L⊙,…

Authors: Egami, Gallerani, Schneider, Pallottini, Vallini, Sobacchi, Ferrara, Bianchi, Bocchio, Marassi, Armus, Spinoglio, Blain, Bradford, Clements, Dannerbauer, Fernández-Ontiveros, González-Alfonso, Griffin, Gruppioni, Kaneda, Kohno, Madden, Matsuhara, Najarro, Nakagawa, Oliver, Omukai, Onaka, Pearson,…

Bibcode: 2018PASA...35...48E

DOI: 10.1017/pasa.2018.41

DOI 2: 10.48550/arXiv.1809.07710

Lees meer

SAX J1748.9-2021 is a transiently accreting X-ray millisecond pulsar. It is also known as an X-ray burster source discovered by Beppo-SAX. We analyzed the persistent emission and type-I X-ray burst…

Authors: Li, De Falco, Falanga, Bozzo, Kuiper, Poutanen, Cumming, Galloway, Zhang

Bibcode: 2018A&A...620A.114L

DOI: 10.1051/0004-6361/201833857

DOI 2: 10.48550/arXiv.1810.05490

Lees meer

Low mass X-ray binaries exhibit ionized emission from an extended disc atmosphere that surrounds the accretion disc. However, the atmosphere’s nature and geometry is still unclear. In this work we…

Authors: Psaradaki, Costantini, Mehdipour, Díaz Trigo

Bibcode: 2018A&A...620A.129P

DOI: 10.1051/0004-6361/201834000

DOI 2: 10.48550/arXiv.1809.06864

Lees meer

The X-ray Integral Field Unit (X-IFU) of the Advanced Telescope for High-ENergy Astrophysics (Athena) large-scale mission of ESA will provide spatially resolved high-resolution X-ray spectroscopy from 0.2 to 12 keV,…

Authors: Pajot, Barret, Lam-Trong, den Herder, Piro, Cappi, Huovelin, Kelley, Mas-Hesse, Mitsuda, Paltani, Rauw, Rozanska, Wilms, Barbera, Douchin, Geoffray, den Hartog, Kilbourne, Le Du, Macculi, Mesnager, Peille

Bibcode: 2018JLTP..193..901P

DOI: 10.1007/s10909-018-1904-5

Lees meer

The Athena X-ray Integral Field Unit (X-IFU) will operate at 90 mK a hexagonal matrix of 3840 Transition Edge Sensor pixels providing spatially resolved high-resolution spectroscopy (2.5 eV FWHM up…

Authors: Peille, Dauser, Kirsch, den Hartog, Cucchetti, Wilms, Barret, den Herder, Piro

Bibcode: 2018JLTP..193..940P

DOI: 10.1007/s10909-018-1964-6

Lees meer

We present the results from the Hitomi Soft Gamma-ray Detector (SGD) observation of the Crab nebula. The main part of SGD is a Compton camera, which in addition to being…

Authors: Hitomi Collaboration, Aharonian, Akamatsu, Akimoto, Allen, Angelini, Audard, Awaki, Axelsson, Bamba, Bautz, Blandford, Brenneman, Brown, Bulbul, Cackett, Chernyakova, Chiao, Coppi, Costantini, de Plaa, de Vries, den Herder, Done, Dotani, Ebisawa,…

Bibcode: 2018PASJ...70..113H

DOI: 10.1093/pasj/psy118

DOI 2: 10.48550/arXiv.1810.00704

Lees meer

We present high angular resolution ( 0.2″) continuum and molecular emission line Atacama Large Millimeter/sub-millimeter Array (ALMA) observations of G17.64+0.16 in Band 6 (220-230 GHz) taken as part of a…

Authors: Maud, Cesaroni, Kumar, van der Tak, Allen, Hoare, Klaassen, Harsono, Hogerheijde, Sánchez-Monge, Schilke, Ahmadi, Beltrán, Beuther, Csengeri, Etoka, Fuller, Galván-Madrid, Goddi, Henning, Johnston, Kuiper, Lumsden, Moscadelli, Mottram, Peters, Rivilla, Testi,…

Bibcode: 2018A&A...620A..31M

DOI: 10.1051/0004-6361/201833908

DOI 2: 10.48550/arXiv.1810.03920

Lees meer

Context. Obscuration of the continuum emission from active galactic nuclei by streams of gas with relatively high velocity (>1000 km s-1) and column density (>3 × 1025 m-2) has been…

Authors: Kaastra, Mehdipour, Behar, Bianchi, Branduardi-Raymont, Brenneman, Cappi, Costantini, De Marco, di Gesu, Ebrero, Kriss, Mao, Peretz, Petrucci, Ponti, Walton

Bibcode: 2018A&A...619A.112K

DOI: 10.1051/0004-6361/201832629

DOI 2: 10.48550/arXiv.1805.03538

Lees meer

Simultaneous observations of PSR B0823+26 with ESA’s XMM-Newton, the Giant Metrewave Radio Telescope and international stations of the Low Frequency Array revealed synchronous X-ray/radio switching between a radio-bright (B) mode…

Authors: Hermsen, Kuiper, Basu, Hessels, Mitra, Rankin, Stappers, Wright, Grießmeier, Serylak, Horneffer, Tiburzi, Ho

Bibcode: 2018MNRAS.480.3655H

DOI: 10.1093/mnras/sty2075

DOI 2: 10.48550/arXiv.1808.01901

Lees meer

Cosmic dust is a key tracer of structure formation and evolution in the universe. In active galactic nuclei (AGN) the origin and role of dust are uncertain. Here, we have…

Authors: Mehdipour, Costantini

Bibcode: 2018A&A...619A..20M

DOI: 10.1051/0004-6361/201833706

DOI 2: 10.48550/arXiv.1808.04628

Lees meer

We report on the coexistence of powerful gas outflows observed in millimeter and X-ray data of the radio-loud narrow-line Seyfert 1 Galaxy IRAS 17020+4544. Thanks to the large collecting power…

Authors: Longinotti, Vega, Krongold, Aretxaga, Yun, Chavushyan, Feruglio, Gómez-Ruiz, Montaña, León-Tavares, Olguín-Iglesias, Giroletti, Guainazzi, Kotilainen, Panessa, Zapata, Cruz-Gonzalez, Patiño-Álvarez, Rosa-Gonzalez, Carramiñana, Carrasco, Costantini, Dultzin, Guichard, Puerari, Santos-Lleo

Bibcode: 2018ApJ...867L..11L

DOI: 10.3847/2041-8213/aae5fd

DOI 2: 10.48550/arXiv.1810.01941

Lees meer

Thousands of exoplanets have now been discovered with a huge range of masses, sizes and orbits: from rocky Earth-like planets to large gas giants grazing the surface of their host…

Authors: Tinetti, Drossart, Eccleston, Hartogh, Heske, Leconte, Micela, Ollivier, Pilbratt, Puig, Turrini, Vandenbussche, Wolkenberg, Beaulieu, Buchave, Ferus, Griffin, Guedel, Justtanont, Lagage, Machado, Malaguti, Min, Nørgaard-Nielsen, Rataj, Ray, Ribas, Swain, Szabo, Werner,…

Bibcode: 2018ExA....46..135T

DOI: 10.1007/s10686-018-9598-x

Lees meer

We present new XMM-Newton observations of the intriguing warm absorber in I Zwicky 1. This luminous and nearby narrow-line Seyfert 1 galaxy shows ionized absorption by two components of outflowing…

Authors: Silva, Costantini, Giustini, Kriss, Brandt, Gallo, Wilkins

Bibcode: 2018MNRAS.480.2334S

DOI: 10.1093/mnras/sty1938

DOI 2: 10.48550/arXiv.1807.07294

Lees meer

X-ray spectra of galaxy clusters are dominated by the thermal emission from the hot intracluster medium. In some cases, besides the thermal component, spectral models require additional components associated, e.g.,…

Authors: Gu, Zhuravleva, Churazov, Paerels, Kaastra, Yamaguchi

Bibcode: 2018SSRv..214..108G

DOI: 10.1007/s11214-018-0544-z

DOI 2: 10.48550/arXiv.1811.02101

Lees meer

We present an X-ray spectral analysis of the nearby double radio relic merging cluster Abell 3376 (z = 0.046), observed with the Suzaku XIS instrument. These deep (∼360 ks) observations…

Authors: Urdampilleta, Akamatsu, Mernier, Kaastra, de Plaa, Ohashi, Ishisaki, Kawahara

Bibcode: 2018A&A...618A..74U

DOI: 10.1051/0004-6361/201732496

DOI 2: 10.48550/arXiv.1806.07817

Lees meer

The hot intracluster medium (ICM) pervading galaxy clusters and groups is rich in metals, which were synthesized by billions of supernovae and have accumulated in cluster gravitational wells for several…

Authors: Mernier, Werner, de Plaa, Kaastra, Raassen, Gu, Mao, Urdampilleta, Simionescu

Bibcode: 2018MNRAS.480L..95M

DOI: 10.1093/mnrasl/sly134

DOI 2: 10.48550/arXiv.1806.11145

Lees meer

Context. Kepler observations have revealed a class of short-period exoplanets, of which Kepler-1520 b is the prototype, which have comet-like dust tails thought to be the result of small, rocky…

Authors: Ridden-Harper, Keller, Min, van Lieshout, Snellen

Bibcode: 2018A&A...618A..97R

DOI: 10.1051/0004-6361/201731947

DOI 2: 10.48550/arXiv.1807.07973

Lees meer

Measurements in the infrared wavelength domain allow direct assessment of the physical state and energy balance of cool matter in space, enabling the detailed study of the processes that govern…

Authors: Roelfsema, Shibai, Armus, Arrazola, Audard, Audley, Bradford, Charles, Dieleman, Doi, Duband, Eggens, Evers, Funaki, Gao, Giard, di Giorgio, González Fernández, Griffin, Helmich, Hijmering, Huisman, Ishihara, Isobe, Jackson, Jacobs, Jellema, Kamp,…

Bibcode: 2018PASA...35...30R

DOI: 10.1017/pasa.2018.15

DOI 2: 10.48550/arXiv.1803.10438

Lees meer

Context. Post-asymptotic giant branch (post-AGB) binaries are surrounded by stable dusty and gaseous disks similar to the ones around young stellar objects. Whereas, significant effort has been spent on modeling…

Authors: Kluska, Hillen, Van Winckel, Manick, Min, Regibo, Royer

Bibcode: 2018A&A...616A.153K

DOI: 10.1051/0004-6361/201832983

DOI 2: 10.48550/arXiv.1805.04501

Lees meer

Context. In the high-mass star-forming region G35.20-0.74N, small scale ( 800 AU) chemical segregation has been observed in which complex organic molecules containing the CN group are located in a…

Authors: Allen, van der Tak, Walsh

Bibcode: 2018A&A...616A..67A

DOI: 10.1051/0004-6361/201732553

DOI 2: 10.48550/arXiv.1804.02041

Lees meer

Context. Deep far-infrared (FIR) cosmological surveys are known to be affected by source confusion, causing issues when examining the main sequence (MS) of star forming galaxies. In the past this…

Authors: Pearson, Wang, Hurley, Małek, Buat, Burgarella, Farrah, Oliver, Smith, van der Tak

Bibcode: 2018A&A...615A.146P

DOI: 10.1051/0004-6361/201832821

DOI 2: 10.48550/arXiv.1804.03482

Lees meer

We investigate the physical structure of the active galactic nucleus (AGN) wind in the Seyfert-1 galaxy NGC 7469 through high-resolution X-ray spectroscopy with Chandra HETGS and photoionisation modelling. Contemporaneous data…

Authors: Mehdipour, Kaastra, Costantini, Behar, Kriss, Bianchi, Branduardi-Raymont, Cappi, Ebrero, Di Gesu, Kaspi, Mao, De Marco, Middei, Peretz, Petrucci, Ponti, Ursini

Bibcode: 2018A&A...615A..72M

DOI: 10.1051/0004-6361/201832604

DOI 2: 10.48550/arXiv.1803.08525

Lees meer

We conducted a multi-wavelength 6-month campaign to observe the Seyfert Galaxy NGC 7469, using the space-based observatories HST, Swift, XMM-Newton and NuSTAR. We report the results of the spectral analysis…

Authors: Middei, Bianchi, Cappi, Petrucci, Ursini, Arav, Behar, Branduardi-Raymont, Costantini, De Marco, Di Gesu, Ebrero, Kaastra, Kaspi, Kriss, Mao, Mehdipour, Paltani, Peretz, Ponti

Bibcode: 2018A&A...615A.163M

DOI: 10.1051/0004-6361/201832726

DOI 2: 10.48550/arXiv.1803.07334

Lees meer

As part of our effort to search for circumstellar disks around high-mass stellar objects, we observed the well-known core G31.41 +0.31 with ALMA at 1.4 mm with an angular resolution…

Authors: Beltrán, Cesaroni, Rivilla, Sánchez-Monge, Moscadelli, Ahmadi, Allen, Beuther, Etoka, Galli, Galván-Madrid, Goddi, Johnston, Klaassen, Kölligan, Kuiper, Kumar, Maud, Mottram, Peters, Schilke, Testi, van der Tak, Walmsley

Bibcode: 2018A&A...615A.141B

DOI: 10.1051/0004-6361/201832811

DOI 2: 10.48550/arXiv.1803.05300

Lees meer

X-ray measurements find systematically lower Fe abundances in the X-ray emitting haloes pervading groups (kT ≲ 1.7 keV) than in clusters of galaxies. These results have been difficult to reconcile…

Authors: Mernier, de Plaa, Werner, Kaastra, Raassen, Gu, Mao, Urdampilleta, Truong, Simionescu

Bibcode: 2018MNRAS.478L.116M

DOI: 10.1093/mnrasl/sly080

DOI 2: 10.48550/arXiv.1803.06296

Lees meer

Given rapid photodissociation and photodegradation, the recently discovered organics in the Martian subsurface and atmosphere were probably delivered in geologically recent times. Possible parent bodies are C-type asteroids, comets, and…

Authors: Frantseva, Mueller, ten Kate, van der Tak, Greenstreet

Bibcode: 2018Icar..309..125F

DOI: 10.1016/j.icarus.2018.03.006

DOI 2: 10.48550/arXiv.1803.03270

Lees meer

Meteorites contain minerals from Solar System asteroids with different properties (like size, presence of water, core formation). We provide new mid-IR transmission spectra of powdered meteorites to obtain templates of…

Authors: de Vries, Skogby, Waters, Min

Bibcode: 2018Icar..307..400D

DOI: 10.1016/j.icarus.2017.10.029

DOI 2: 10.48550/arXiv.1711.11306

Lees meer

Context. Multiwavelength observations are indispensable in studying disk geometry and dust evolution processes in protoplanetary disks. Aims: We aim to construct a three-dimensional model of HD 163296 that is capable…

Authors: Muro-Arena, Dominik, Waters, Min, Klarmann, Ginski, Isella, Benisty, Pohl, Garufi, Hagelberg, Langlois, Menard, Pinte, Sezestre, van der Plas, Villenave, Delboulbé, Magnard, Möller-Nilsson, Pragt, Rabou, Roelfsema

Bibcode: 2018A&A...614A..24M

DOI: 10.1051/0004-6361/201732299

DOI 2: 10.48550/arXiv.1802.03328

Lees meer

We present results from the Hitomi X-ray observation of a young composite-type supernova remnant (SNR) G21.5-0.9, whose emission is dominated by the pulsar wind nebula (PWN) contribution. The X-ray spectra…

Authors: Hitomi Collaboration, Aharonian, Akamatsu, Akimoto, Allen, Angelini, Audard, Awaki, Axelsson, Bamba, Bautz, Blandford, Brenneman, Brown, Bulbul, Cackett, Chernyakova, Chiao, Coppi, Costantini, de Plaa, de Vries, den Herder, Done, Dotani, Ebisawa,…

Bibcode: 2018PASJ...70...38A

DOI: 10.1093/pasj/psy027

DOI 2: 10.48550/arXiv.1802.05068

Lees meer

We report the Australia Telescope Compact Array 16 cm observation of CIZA J1358.9-4750. Recent X-ray studies imply that this galaxy cluster is composed of merging, binary clusters. Using the EW367…

Authors: Akahori, Kato, Nakazawa, Ozawa, Gu, Takizawa, Fujita, Nakanishi, Okabe, Makishima

Bibcode: 2018PASJ...70...53A

DOI: 10.1093/pasj/psy042

DOI 2: 10.48550/arXiv.1611.06647

Lees meer

The X-ray narrow emission line region (NELR) of the archetypal Seyfert 1 galaxy NGC 5548 has been interpreted as a single-phase photoionized plasma that is absorbed by some of the…

Authors: Mao, Kaastra, Mehdipour, Gu, Costantini, Kriss, Bianchi, Branduardi-Raymont, Behar, Di Gesu, Ponti, Petrucci, Ebrero

Bibcode: 2018A&A...612A..18M

DOI: 10.1051/0004-6361/201732162

DOI 2: 10.48550/arXiv.1712.07852

Lees meer

The Hitomi (ASTRO-H) mission is the sixth Japanese x-ray astronomy satellite developed by a large international collaboration, including Japan, USA, Canada, and Europe. The mission aimed to provide the highest…

Authors: Takahashi, Kokubun, Mitsuda, Kelley, Ohashi, Aharonian, Akamatsu, Akimoto, Allen, Anabuki, Angelini, Arnaud, Asai, Audard, Awaki, Axelsson, Azzarello, Baluta, Bamba, Bando, Bautz, Bialas, Blandford, Boyce, Brenneman, Brown, Bulbul, Cackett, Canavan, Chernyakova,…

Bibcode: 2018JATIS...4b1402T

DOI: 10.1117/1.JATIS.4.2.021402

Lees meer

Context. High-mass stars form in much richer environments than those associated with isolated low-mass stars, and once they reach a certain mass, produce ionised (HII) regions. The formation of these…

Authors: Klaassen, Johnston, Urquhart, Mottram, Peters, Kuiper, Beuther, van der Tak, Goddi

Bibcode: 2018A&A...611A..99K

DOI: 10.1051/0004-6361/201731727

Lees meer

The Astro-H (Hitomi) Soft X-ray Spectrometer (SXS) was a pioneering imaging x-ray spectrometer with 5 eV energy resolution at 6 keV. The instrument used a microcalorimeter array at the focus…

Authors: Eckart, Adams, Boyce, Brown, Chiao, Fujimoto, Haas, den Herder, Hoshino, Ishisaki, Kilbourne, Kitamoto, Leutenegger, McCammon, Mitsuda, Porter, Sato, Sawada, Seta, Sneiderman, Szymkowiak, Takei, Tashiro, Tsujimoto, de Vries, Watanabe, Yamada, Yamasaki

Bibcode: 2018JATIS...4b1406E

DOI: 10.1117/1.JATIS.4.2.021406

Lees meer

Context. Though theoretically expected, the charge exchange emission from galaxy clusters has never been confidently detected. Accumulating hints were reported recently, including a rather marginal detection with the Hitomi data…

Authors: Gu, Mao, de Plaa, Raassen, Shah, Kaastra

Bibcode: 2018A&A...611A..26G

DOI: 10.1051/0004-6361/201731861

DOI 2: 10.48550/arXiv.1710.04784

Lees meer

We present Hitomi observations of N 132 D, a young, X-ray bright, O-rich core-collapse supernova remnant in the Large Magellanic Cloud (LMC). Despite a very short observation of only 3.7…

Authors: Hitomi Collaboration, Aharonian, Akamatsu, Akimoto, Allen, Angelini, Audard, Awaki, Axelsson, Bamba, Bautz, Blandford, Brenneman, Brown, Bulbul, Cackett, Chernyakova, Chiao, Coppi, Costantini, de Plaa, de Vries, den Herder, Done, Dotani, Ebisawa,…

Bibcode: 2018PASJ...70...16H

DOI: 10.1093/pasj/psx151

DOI 2: 10.48550/arXiv.1712.02365

Lees meer

We report on a Hitomi observation of IGR J16318-4848, a high-mass X-ray binary system with an extremely strong absorption of NH ∼ 1024 cm-2. Previous X-ray studies revealed that its…

Authors: Hitomi Collaboration, Aharonian, Akamatsu, Akimoto, Allen, Angelini, Audard, Awaki, Axelsson, Bamba, Bautz, Blandford, Brenneman, Brown, Bulbul, Cackett, Chernyakova, Chiao, Coppi, Costantini, de Plaa, de Vries, den Herder, Done, Dotani, Ebisawa,…

Bibcode: 2018PASJ...70...17H

DOI: 10.1093/pasj/psx154

DOI 2: 10.48550/arXiv.1711.07727

Lees meer

We report the detection of the pulsed signal of the radio-quiet magnetar-like pulsar PSR J1846-0258 in the high-energy γ-ray data of the Fermi Large Area Telescope (Fermi LAT). We produced…

Authors: Kuiper, Hermsen, Dekker

Bibcode: 2018MNRAS.475.1238K

DOI: 10.1093/mnras/stx3128

DOI 2: 10.48550/arXiv.1709.00899

Lees meer

Thanks to its high spectral resolution (∼5 eV at 6 keV), the Soft X-ray Spectrometer (SXS) on board Hitomi enables us to measure the detailed structure of spatially resolved emission…

Authors: Hitomi Collaboration, Aharonian, Akamatsu, Akimoto, Allen, Angelini, Audard, Awaki, Axelsson, Bamba, Bautz, Blandford, Brenneman, Brown, Bulbul, Cackett, Chernyakova, Chiao, Coppi, Costantini, de Plaa, de Vries, den Herder, Done, Dotani, Ebisawa,…

Bibcode: 2018PASJ...70...10H

DOI: 10.1093/pasj/psx127

DOI 2: 10.48550/arXiv.1710.04648

Lees meer

The origin of the narrow Fe-Kα fluorescence line at 6.4 keV from active galactic nuclei has long been under debate; some of the possible sites are the outer accretion disk,…

Authors: Hitomi Collaboration, Aharonian, Akamatsu, Akimoto, Allen, Angelini, Audard, Awaki, Axelsson, Bamba, Bautz, Blandford, Brenneman, Brown, Bulbul, Cackett, Chernyakova, Chiao, Coppi, Costantini, de Plaa, de Vries, den Herder, Done, Dotani, Ebisawa,…

Bibcode: 2018PASJ...70...13H

DOI: 10.1093/pasj/psx147

DOI 2: 10.48550/arXiv.1711.06289

Lees meer

To search for giant X-ray pulses correlated with the giant radio pulses (GRPs) from the Crab pulsar, we performed a simultaneous observation of the Crab pulsar with the X-ray satellite…

Authors: Hitomi Collaboration, Aharonian, Akamatsu, Akimoto, Allen, Angelini, Audard, Awaki, Axelsson, Bamba, Bautz, Blandford, Brenneman, Brown, Bulbul, Cackett, Chernyakova, Chiao, Coppi, Costantini, de Plaa, de Vries, den Herder, Done, Dotani, Ebisawa,…

Bibcode: 2018PASJ...70...15H

DOI: 10.1093/pasj/psx083

DOI 2: 10.48550/arXiv.1707.08801

Lees meer

Extending the earlier measurements reported in Hitomi collaboration (2016, Nature, 535, 117), we examine the atmospheric gas motions within the central 100 kpc of the Perseus cluster using observations obtained…

Authors: Hitomi Collaboration, Aharonian, Akamatsu, Akimoto, Allen, Angelini, Audard, Awaki, Axelsson, Bamba, Bautz, Blandford, Brenneman, Brown, Bulbul, Cackett, Canning, Chernyakova, Chiao, Coppi, Costantini, de Plaa, de Vries, den Herder, Done, Dotani,…

Bibcode: 2018PASJ...70....9H

DOI: 10.1093/pasj/psx138

DOI 2: 10.48550/arXiv.1711.00240

Lees meer

The present paper explains the temperature structure of X-ray emitting plasma in the core of the Perseus cluster based on 1.8-20.0 keV data obtained with the Soft X-ray Spectrometer (SXS)…

Authors: Hitomi Collaboration, Aharonian, Akamatsu, Akimoto, Allen, Angelini, Audard, Awaki, Axelsson, Bamba, Bautz, Blandford, Brenneman, Brown, Bulbul, Cackett, Chernyakova, Chiao, Coppi, Costantini, de Plaa, de Vries, den Herder, Done, Dotani, Ebisawa,…

Bibcode: 2018PASJ...70...11H

DOI: 10.1093/pasj/psy004

DOI 2: 10.48550/arXiv.1712.06612

Lees meer

The Hitomi Soft X-ray Spectrometer spectrum of the Perseus cluster, with ∼5 eV resolution in the 2-9 keV band, offers an unprecedented benchmark of the atomic modeling and database for…

Authors: Hitomi Collaboration, Aharonian, Akamatsu, Akimoto, Allen, Angelini, Audard, Awaki, Axelsson, Bamba, Bautz, Blandford, Brenneman, Brown, Bulbul, Cackett, Chernyakova, Chiao, Coppi, Costantini, de Plaa, de Vries, den Herder, Done, Dotani, Ebisawa,…

Bibcode: 2018PASJ...70...12H

DOI: 10.1093/pasj/psx156

DOI 2: 10.48550/arXiv.1712.05407

Lees meer

The Crab nebula originated from a core-collapse supernova (SN) explosion observed in 1054 AD. When viewed as a supernova remnant (SNR), it has an anomalously low observed ejecta mass and…

Authors: Hitomi Collaboration, Aharonian, Akamatsu, Akimoto, Allen, Angelini, Audard, Awaki, Axelsson, Bamba, Bautz, Blandford, Brenneman, Brown, Bulbul, Cackett, Chernyakova, Chiao, Coppi, Costantini, de Plaa, de Vries, den Herder, Done, Dotani, Ebisawa,…

Bibcode: 2018PASJ...70...14H

DOI: 10.1093/pasj/psx072

DOI 2: 10.48550/arXiv.1707.00054

Lees meer

We summarize all of the in-orbit operations of the soft x-ray spectrometer (SXS) onboard the ASTRO-H (Hitomi) satellite. The satellite was launched on February 17, 2016, and the communication with…

Authors: Tsujimoto, Mitsuda, Kelley, den Herder, Bialas, Boyce, Chiao, de Vries, DiPirro, Eckart, Ezoe, Fujimoto, Hoshino, Ishikawa, Ishisaki, Kilbourne, Koyama, Leutenegger, Masters, Mitsuishi, Noda, Okajima, Okamoto, Porter, Sato, Sato, Savinell, Sawada,…

Bibcode: 2018JATIS...4a1205T

DOI: 10.1117/1.JATIS.4.1.011205

Lees meer

Context. The chemical and physical properties of interstellar dust in the densest regions of the Galaxy are still not well understood. X-rays provide a powerful probe since they can penetrate…

Authors: Rogantini, Costantini, Zeegers, de Vries, Bras, de Groot, Mutschke, Waters

Bibcode: 2018A&A...609A..22R

DOI: 10.1051/0004-6361/201731664

DOI 2: 10.48550/arXiv.1709.05359

Lees meer

Context. The X-ray luminosities of T Tauri stars are about two to four orders of magnitude higher than the luminosity of the contemporary Sun. As these stars are born in…

Authors: Rab, Güdel, Woitke, Kamp, Thi, Min, Aresu, Meijerink

Bibcode: 2018A&A...609A..91R

DOI: 10.1051/0004-6361/201731443

DOI 2: 10.48550/arXiv.1711.07249

Lees meer

The young, fast-spinning X-ray pulsar J0537-6910 displays an extreme glitch activity, with large spin-ups interrupting its decelerating rotation every ~100 d. We present nearly 13 yr of timing data from…

Authors: Antonopoulou, Espinoza, Kuiper, Andersson

Bibcode: 2018MNRAS.473.1644A

DOI: 10.1093/mnras/stx2429

DOI 2: 10.48550/arXiv.1708.09459

Lees meer

We have investigated the ionic column density variability of the ionized outflows associated with NGC 7469, to estimate their location and power. This could allow a better understanding of galactic…

Authors: Peretz, Behar, Kriss, Kaastra, Arav, Bianchi, Branduardi-Raymont, Cappi, Costantini, De Marco, Di Gesu, Ebrero, Kaspi, Mehdipour, Middei, Paltani, Petrucci, Ponti, Ursini

Bibcode: 2018A&A...609A..35P

DOI: 10.1051/0004-6361/201731655

DOI 2: 10.48550/arXiv.1709.09633

Lees meer

The SPICA mid- and far-infrared telescope will address fundamental issues in our understanding of star formation and ISM physics in galaxies. A particular hallmark of SPICA is the outstanding sensitivity…

Authors: van der Tak, Madden, Roelfsema, Armus, Baes, Bernard-Salas, Bolatto, Bontemps, Bot, Bradford, Braine, Ciesla, Clements, Cormier, Fernández-Ontiveros, Galliano, Giard, Gomez, González-Alfonso, Herpin, Johnstone, Jones, Kaneda, Kemper, Lebouteiller, De Looze, Matsuura,…

Bibcode: 2018PASA...35....2V

DOI: 10.1017/pasa.2017.67

DOI 2: 10.48550/arXiv.1711.11327

Lees meer