Results 141 to 150 of about 2,679,570 (255)

Magnetic Filament Formation in the Intracluster Medium

, 2019
Results from a high–resolution, turbulent, magnetohydrodynamics simulatation, with conditions that mimic those of a galaxy cluster plasma, are analyzed to determine the source of magnetic field filamentation.
Penders, Sam
core  

A phenomenological model for the intracluster medium that matches X-ray and Sunyaev-Zel'dovich observations [PDF]

, 2013
Cosmological hydrodynamical simulations of galaxy clusters are still challenged to produce a model for the intracluster medium that matches all aspects of current X-ray and Sunyaev-Zel'dovich observations.
Pfrommer, C., Zandanel, Fabio, Prada, Francisco, Fabio Z, Francisco Prada, Zandanel, F., Christoph Pfrommer, Prada, F., Pfrommer, Christoph   +8 more
core   +1 more source

Investigating the Intracluster Medium Viscosity Using the Tails of GASP Jellyfish Galaxies

The Astrophysical Journal
The microphysics of the intracluster medium (ICM) in galaxy clusters is still poorly understood. Observational evidence suggests that the effective viscosity is suppressed by plasma instabilities that reduce the mean free path of particles. Measuring the
Alessandro Ignesti, Gianfranco Brunetti, Marco Gullieuszik, Nina Akerman, Antonino Marasco, Bianca M. Poggianti, Yuan Li, Benedetta Vulcani, Myriam Gitti, Alessia Moretti, Eric Giunchi, Neven Tomičić, Cecilia Bacchini, Rosita Paladino, Mario Radovich, Anna Wolter   +15 more
doaj   +1 more source

XRISM Reveals Low Nonthermal Pressure in the Core of the Hot, Relaxed Galaxy Cluster A2029

The Astrophysical Journal Letters
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 the central 180 kpc is at rest with respect to the brightest ...
XRISM Collaboration, Marc Audard, Hisamitsu Awaki, Ralf Ballhausen, Aya Bamba, Ehud Behar, Rozenn Boissay-Malaquin, Laura Brenneman, Gregory V. Brown, Lia Corrales, Elisa Costantini, Renata Cumbee, Maria Diaz Trigo, Chris Done, Tadayasu Dotani, Ken Ebisawa, Megan E. Eckart, Dominique Eckert, Satoshi Eguchi, Teruaki Enoto, Yuichiro Ezoe, Adam Foster, Ryuichi Fujimoto, Yutaka Fujita, Yasushi Fukazawa, Kotaro Fukushima, Akihiro Furuzawa, Luigi Gallo, Javier A. García, Liyi Gu, Matteo Guainazzi, Kouichi Hagino, Kenji Hamaguchi, Isamu Hatsukade, Katsuhiro Hayashi, Takayuki Hayashi, Natalie Hell, Edmund Hodges-Kluck, Ann Hornschemeier, Yuto Ichinohe, Manabu Ishida, Kumi Ishikawa, Yoshitaka Ishisaki, Jelle Kaastra, Timothy Kallman, Erin Kara, Satoru Katsuda, Yoshiaki Kanemaru, Richard Kelley, Caroline Kilbourne, Shunji Kitamoto, Shogo Kobayashi, Takayoshi Kohmura, Aya Kubota, Maurice Leutenegger, Michael Loewenstein, Yoshitomo Maeda, Maxim Markevitch, Hironori Matsumoto, Kyoko Matsushita, Dan McCammon, Brian McNamara, François Mernier, Eric D. Miller, Jon M. Miller, Ikuyuki Mitsuishi, Misaki Mizumoto, Tsunefumi Mizuno, Koji Mori, Koji Mukai, Hiroshi Murakami, Richard Mushotzky, Hiroshi Nakajima, Kazuhiro Nakazawa, Jan-Uwe Ness, Kumiko Nobukawa, Masayoshi Nobukawa, Hirofumi Noda, Hirokazu Odaka, Shoji Ogawa, Anna Ogorzalek, Takashi Okajima, Naomi Ota, Stephane Paltani, Robert Petre, Paul Plucinsky, Frederick S. Porter, Katja Pottschmidt, Kosuke Sato, Toshiki Sato, Makoto Sawada, Hiromi Seta, Megumi Shidatsu, Aurora Simionescu, Randall Smith, Hiromasa Suzuki, Andrew Szymkowiak, Hiromitsu Takahashi, Mai Takeo, Toru Tamagawa, Keisuke Tamura, Takaaki Tanaka, Atsushi Tanimoto, Makoto Tashiro, Yukikatsu Terada, Yuichi Terashima, Yohko Tsuboi, Masahiro Tsujimoto, Hiroshi Tsunemi, Takeshi Tsuru, Hiroyuki Uchida, Nagomi Uchida, Yuusuke Uchida, Hideki Uchiyama, Yoshihiro Ueda, Shinichiro Uno, Jacco Vink, Shin Watanabe, Brian J. Williams, Satoshi Yamada, Shinya Yamada, Hiroya Yamaguchi, Kazutaka Yamaoka, Noriko Yamasaki, Makoto Yamauchi, Shigeo Yamauchi, Tahir Yaqoob, Tomokage Yoneyama, Tessei Yoshida, Mihoko Yukita, Irina Zhuravleva, Tommaso Bartalesi, Stefano Ettori, Roman Kosarzycki, Lorenzo Lovisari, Tom Rose, Arnab Sarkar, Ming Sun, Prathamesh Tamhane   +138 more
doaj   +1 more source

Merger Shocks Enhance Quenching in Local Galaxy Clusters

The Astrophysical Journal
We report evidence for enhanced quenching in low-redshift galaxy clusters hosting radio relics. This effect is strongest for low-mass galaxies and is consistent with a rapid quenching of star formation.
Ian D. Roberts
doaj   +1 more source

The eROSITA Final Equatorial-Depth Survey (eFEDS)

Astronomy & Astrophysics
Context. This is the second paper in a series exploring the X-ray properties of galaxy clusters optically selected by the Subaru Hyper Suprime-Cam (HSC) survey, using data from the SRG/eROSITA Final Equatorial-Depth Survey (eFEDS). Aims.
Nguyen-Dang N. T., Ota N., Okabe N., Oguri M., Mitsuishi I., Reiprich T. H., Pacaud F., Bulbul E., Sanders J. S., Brüggen M., Liu A., Tsujita Y., Chiu I., Ghirardini V., Grandis S., Klein M., Migkas K., Miyatake H., Miyazaki S., Ramos-Ceja M. E.   +19 more
doaj   +1 more source

XRISM Observations of the Prototypical Cold Front in A3667

The Astrophysical Journal Letters
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 105 and 276 ks, respectively.
Yuki Omiya, Yuto Ichinohe, Kazuhiro Nakazawa, Hisamitsu Awaki, Dominique Eckert, Yutaka Fujita, Isamu Hatsukade, Maxim Markevitch, François Mernier, Ikuyuki Mitsuishi, Naomi Ota, Aurora Simionescu, Yuusuke Uchida, Shutaro Ueda, Irina Zhuravleva, John Zuhone   +15 more
doaj   +1 more source

Buoyant bubbles in a cooling intracluster medium

, 2006
Aims.Over the past several years, numerous examples of X-ray cavities coincident with radio sources have been observed in so-called “cool core” clusters of galaxies.
A. Gardini
core   +1 more source

The Hidden Life of Stars: Embedded Beginnings to Asymptotic Giant Branch Endings in the PHANGS–JWST Sample. I. Catalog of Mid-infrared Sources

The Astrophysical Journal Supplement Series
We present a multiwavelength catalog of mid-infrared-selected compact sources in 19 nearby galaxies, combining JWST NIRCam/MIRI, Hubble Space Telescope UV–optical broadband, H α narrowband, and Atacama Large Millimeter/submillimeter Array CO observations.
Hamid Hassani, Erik Rosolowsky, Adam K. Leroy, Karin Sandstrom, Médéric Boquien, David A. Thilker, Bradley C. Whitmore, Gagandeep S. Anand, Ashley T. Barnes, Yixian Cao, Ryan Chown, Enrico Congiu, Daniel A. Dale, Oleg V. Egorov, Ivan Gerasimov, Kathryn Grasha, Rémy Indebetouw, Janice C. Lee, Fu-Heng Liang, Daniel Maschmann, Sharon E. Meidt, Elias K. Oakes, Ismael Pessa, Jérôme Pety, Miguel Querejeta, Lise Ramambason, M. Jimena Rodríguez, Sumit K. Sarbadhicary, Jessica Sutter, Leonardo Úbeda, Thomas G. Williams   +30 more
doaj   +1 more source

Formation, heating and chemical enrichment of the intracluster medium

, 2017
The intracluster medium (ICM) contains the majority of the baryons (80-90%) of galaxy clusters and groups. It has been progressively heated up by gravitational and non-gravitational processes since the cluster formation epoch (z~2-3) until it reaches the
Dominique Eckert, Dominique Eckert (5590010)   +1 more
core   +1 more source