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Quillen et al.(2007) presented an imaging survey with the {\it Spitzer Space Telescope} of 62 brightest cluster galaxies with optical line emission located in the cores of X-ray luminous clusters. They found that at least half of these…

We present high resolution X-ray spectra of 14 putative cooling-flow clusters of galaxies obtained with the Reflection Grating Spectrometer on XMM-Newton. The clusters in the sample span a large range of temperatures and mass deposition…

We report on HST/STIS spectra of the Lyman-alpha emission in the central dominant galaxies in three rich clusters of galaxies. We find evidence for a population of clouds in the intracluster medium.We detect 10 Ly-alpha absorption systems…

Astrophysics · Physics 2009-11-11 S. A. Baum , A. Laor , C. P. O'Dea , J. Mack , A. Koekemoer

Structure formation in the current Universe operates through the accretion of group-scale systems onto massive clusters. The detection and study of such accreting systems is crucial to understand the build-up of the most massive virialized…

Cosmology and Nongalactic Astrophysics · Physics 2014-11-05 D. Eckert , S. Molendi , M. Owers , M. Gaspari , T. Venturi , L. Rudnick , S. Ettori , S. Paltani , F. Gastaldello , M. Rossetti

There has been extensive recent progress in X-ray observations of clusters of galaxies with the analysis of the entire ASCA database and recent new results from Beppo-SAX, Chandra, and XMM-Newton. The temperature profiles of most clusters…

Astrophysics · Physics 2007-05-23 Richard F. Mushotzky

We present images from the Ultraviolet Imaging Telescope of the Abell 1795 cluster of galaxies. We compare the cD galaxy morphology and photometry of these data with those from existing archival and published data. The addition of a far--UV…

Based on HST and MUSE data, we probe the stellar and gas properties (i.e. kinematics, stellar mass, star formation rate) of the radio-loud brightest cluster galaxy (BCG) located at the centre of the X-ray luminous cool core cluster Abell…

We present an analysis of the Chandra X-ray observation of Abell 2052, including large scale properties of the cluster as well as the central region which includes the bright radio source, 3C 317. We present temperature and abundance…

Astrophysics · Physics 2011-07-18 Elizabeth L. Blanton , Craig L. Sarazin , Brian R. McNamara

We present preliminary results of a multi-wavelength study focused on the evolution of spiral galaxies in the UV-optical colour-magnitude (CM) diagram. By combining HI, UV and optical observations of the Coma-Abell1367 supercluster we are…

Astrophysics · Physics 2009-06-23 Luca Cortese

Galaxy cluster Abell 3827 hosts the stellar remnants of four almost equally bright elliptical galaxies within a core of radius 10kpc. Such corrugation of the stellar distribution is very rare, and suggests recent formation by several…

This paper presents properties of the intracluster medium (ICM) in the environment of a cool core cluster Abell 2566 (redshift $z$ = 0.08247) based on the analysis of 20 ks Chandra X-ray data. 2D imaging analysis of the Chandra data from…

High Energy Astrophysical Phenomena · Physics 2024-06-24 S. K. Kadam , Satish S. Sonkamble , N. D. Vagshette , M. K. Patil

To investigate the effects the cluster environment has on Late-Type Galaxies (LTGs) we studied HI perturbation signatures for all Abell 1367 LTGs with HI detections. We used new VLA HI observations combined with AGES single dish blind…

Astrophysics of Galaxies · Physics 2018-01-24 T. C. Scott , E. Brinks , L. Cortese , A. Bosell , H. Bravo-Alfaro

We present ROSAT PSPC and HRI observations of the distant cluster A1300 (z = 0.3071) in conjunction with optical data, to investigate the physics of the intra-cluster medium and the dynamical state of the cluster. By means of a…

Astrophysics · Physics 2007-05-23 L. Lemonon , M. Pierre , R. Hunstead , A. Reid , Y. Mellier , H. Bohringer

We have detected an X-ray absorption feature against the core of the galaxy cluster Abell 2029 (z=0.0767) which we identify with the foreground galaxy UZC J151054.6+054313 (z=0.0221). Optical observations (B, V, R, and I) indicate that it…

Astrophysics · Physics 2009-11-10 T. E. Clarke , J. M. Uson , C. L. Sarazin , E. L. Blanton

We measure surface brightness fluctuations in Chandra X-ray images of the cores of the galaxy clusters Abell 2029, Abell 2151, Abell 2107, RBS0533, and RBS0540. Their relatively structureless X-ray atmospheres exhibit the thermodynamic…

Astrophysics of Galaxies · Physics 2025-03-12 Muzi Li , B. R. McNamara , Irina Zhuravleva

The Virgo and A1795 clusters of galaxies were re-observed by EUVE with {\it in situ} background measurements by pointing at small offsets. Earlier, a similar re-observational strategy applied to the cluster A2199 revealed that the…

Astrophysics · Physics 2009-10-31 Max Bonamente , Richard Lieu , Jonathan P. D. Mittaz

Using drift scan data, a new approach to determining surface brightness profiles, and techniques for detecting low surface brightness signals, we fit the light profile of the brightest cluster galaxy (BCG) in the rich cluster Abell 1651 out…

New high-resolution r band imaging of the brightest cluster galaxy (BCG) in Abell 85 (Holm 15A) was obtained using the Gemini Multi Object Spectrograph. These data were taken with the aim of deriving an accurate surface brightness profile…

Astrophysics of Galaxies · Physics 2016-03-16 Juan P. Madrid , Carlos J. Donzelli

We present results of four-pointing Suzaku X-ray observations (total ~200 ks) of the intracluster medium (ICM) in the Abell 1835 galaxy cluster (kT ~ 8 keV, z = 0.253) out to the virial radius (r_vir ~ 2.9 Mpc) and beyond. Faint X-ray…

Photometric and spectroscopic observations of the galaxy population of the galaxy cluster Abell 1367 have been obtained, over a field of 34 by 90 arcmin, covering the cluster centre out to a radius of about 2.2 Mpc. U, B and R broad-band…

Astrophysics of Galaxies · Physics 2015-05-20 W. Kriwattanawong , C. Moss , P. A. James , D. Carter