English
Related papers

Related papers: Chandra Analysis of Abell 496

200 papers

We present a Chandra observation of the central (r< 200kpc) region of the cluster of galaxies 2A 0335+096, rich in interesting phenomena. On large scales (r> 40kpc), the X-ray surface brightness is symmetric and slightly elliptical. The…

Astrophysics · Physics 2009-11-07 Pasquale Mazzotta , Alastair Edge , Maxim Markevitch

We present results from an observation of the luminous cluster of galaxies Abell 2204 using the Chandra X-ray Observatory. We show the core of the cluster has a complex morphological structure, made up of a high density core (n_e~0.2 cm^-3)…

Astrophysics · Physics 2009-09-17 J. S. Sanders , A. C. Fabian , G. B. Taylor

We present deep ($205 \rm ks$), \Chandra observations of the \ab295 binary merging cluster ($z=0.30$). In the X-ray image, the secondary component is clearly visible as a surface brightness peak, while the primary cluster has a flatter…

Cosmology and Nongalactic Astrophysics · Physics 2019-04-03 Aurelia Pascut , John P. Hughes

Using the EPIC and RGS data from a deep (~200 ks) XMM-Newton observation, we investigate the temperature structure (kT and sigma_T ) and the abundances of 9 elements (O, Ne, Mg, Si, S, Ar, Ca, Fe and Ni) of the intra-cluster medium (ICM) in…

High Energy Astrophysical Phenomena · Physics 2015-02-25 François Mernier , Jelle de Plaa , Lorenzo Lovisari , Ciro Pinto , Yu-Ying Zhang , Jelle S. Kaastra , Norbert Werner , Aurora Simionescu

We present a detailed Chandra study of a sample of ten clusters of galaxies selected based on the presence of substructures in their optical images. The X-ray surface brightness maps of most of these clusters show anisotropic morphologies,…

Astrophysics of Galaxies · Physics 2014-05-16 Kiran Lakhchaura , K. P. Singh

We present first results from a very deep (~650 ksec) Chandra X-ray observation of Abell 2052, as well as archival VLA radio observations. The data reveal detailed structure in the inner parts of the cluster, including bubbles evacuated by…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-28 E. L. Blanton , S. W. Randall , T. E. Clarke , C. L. Sarazin , B. R. McNamara , E. M. Douglass , M. McDonald

We present the first X-ray dedicated study of the galaxy cluster A795 and of the Fanaroff-Riley Type 0 hosted in its brightest cluster galaxy. Using an archival 30 ks \textit{Chandra} observation we study the dynamical state and cooling…

Astrophysics of Galaxies · Physics 2021-03-31 Francesco Ubertosi , Myriam Gitti , Eleonora Torresi , Fabrizio Brighenti , Paola Grandi

Analysis of a 30,000 s X-ray observation of the Abell 3266 galaxy cluster with the ACIS on board the Chandra Observatory has produced several new insights into the cluster merger. The intracluster medium has a non-monotonically decreasing…

Astrophysics · Physics 2009-11-07 Mark J. Henriksen , Eric R. Tittley

We examine the core of the X-ray bright galaxy cluster 2A 0335+096 using deep Chandra X-ray imaging and spatially-resolved spectroscopy, and include new radio observations. The set of around eight X-ray bright blobs in the core of the…

Cosmology and Nongalactic Astrophysics · Physics 2010-08-23 J. S. Sanders , A. C. Fabian , G. B. Taylor

We present results from a deep Chandra observation of Abell 2052. A2052 is a bright, nearby, cooling flow cluster, at a redshift of z=0.035. Concentric surface brightness discontinuities are revealed in the cluster center, and these…

Cosmology and Nongalactic Astrophysics · Physics 2011-02-11 E. L. Blanton , S. W. Randall , E. M. Douglass , C. L. Sarazin , T. E. Clarke , B. R. McNamara

We present an analysis of a Chandra observation of Abell 2034. The cluster has multiple signatures of an ongoing merger, including a cold front and probable significant heating of the intracluster medium above its equilibrium temperature.…

Astrophysics · Physics 2009-11-07 J. C. Kempner , C. L. Sarazin , M. Markevitch

We present a new analysis of very deep Chandra observations of the galaxy cluster Abell 1795. Utilizing nearly 750 ks of net ACIS imaging, we are able to resolve the thermodynamic structure of the Intracluster Medium (ICM) on length scales…

Astrophysics of Galaxies · Physics 2015-06-22 S. Ehlert , M. McDonald , E. D. Miller , L. P. David , M. W. Bautz

We present a detailed X-ray study of the intracluster medium (ICM) of the nearby, cool-core galaxy cluster Abell 478, with Chandra and XMM observations. Using a wavelet smoothing hardness analysis, we derive detailed temperature maps of…

Astrophysics · Physics 2009-11-10 Alastair J. R. Sanderson , Alexis Finoguenov , Joseph J. Mohr

We present new Chandra X-ray observations of the brightest cluster galaxy (BCG) in the cool core cluster Abell 2597. The data reveal an extensive kpc-scale X-ray cavity network as well as a 15 kpc filament of soft-excess gas exhibiting…

We present the results of a {\it Chandra} observation of the central region of Abell 3112. This cluster has a powerful radio source in the center and was believed to have a strong cooling flow. The X-ray image shows that the intracluster…

Astrophysics · Physics 2009-11-07 Motokazu Takizawa , Craig L. Sarazin , Elizabeth L. Blanton , Greg B. Taylor

Analysis of spatially resolved ASCA spectra of the intracluster gas in Abell 496 confirms there are mild metal abundance enhancements near the center, as previously found by White et al. (1994) in a joint analysis of Ginga LAC and Einstein…

Astrophysics · Physics 2009-10-31 Renato A. Dupke , Raymond E. White

We present the results of deep Chandra and XMM-Newton observations of a complex merging galaxy cluster Abell 2256 (A2256) that hosts a spectacular radio relic (RR). The temperature and metallicity maps show clear evidence of a merger…

We present here the results of a deep (130 ks) XMM-Newton observation of the cluster of galaxies 2A 0335+096. The deep exposure allows us to study in detail its temperature structure and its elemental abundances. We fit three different…

We present results from a deep Chandra X-ray observation of a merging galaxy cluster A520. A high-resolution gas temperature map, after the subtraction of the cluster-scale emission, reveals a long trail of dense, cool clumps --- apparently…

Cosmology and Nongalactic Astrophysics · Physics 2017-07-04 Qian Wang , Maxim Markevitch , Simona Giacintucci

Spiral structures and cold fronts in X-rays are frequently observed in cool core galaxy clusters. However, studies on radio mini-haloes associated with such spirals and their physical connections are rare. Here, we present the detection of…

Astrophysics of Galaxies · Physics 2024-06-21 S. K. Kadam , Sameer Salunkhe , N. D. Vagshette , Surajit Paul , Satish S. Sonkamble , P. K. Pawar , M. K. Patil