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X-Ray surface brightness and gas density fluctuations in the Coma cluster
E. Churazov, A. Vikhlinin, I. Zhuravleva +6
X-ray surface brightness fluctuations in the core ( kpc) region of the Coma cluster observed with XMM-Newton and Chandra are analyzed using a 2D power spectrum appr…
Deep Chandra Observations of Edges and Bubbles in the NGC 5846 Galaxy Group
M. E. Machacek, D. Jerius, R. P. Kraft +5
We use a combined 120 ks Chandra exposure to analyze X-ray edges produced by non-hydrostatic gas motions (sloshing) from galaxy collisions, and cavities formed by AGN activity. Evi…
A Very Deep Chandra Observation of Abell 2052: Bubbles, Shocks, and Sloshing
E. L. Blanton, S. W. Randall, T. E. Clarke +4
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…
Chandra and ROSAT observations of Abell 194: detection of an X-ray cavity and mapping the dynamics of the cluster
Akos Bogdan, Ralph P. Kraft, William R. Forman +6
Based on Chandra and ROSAT observations, we investigated the nearby poor cluster Abell 194, which hosts two luminous radio galaxies, NGC547 (3C 40B) and NGC541 (3C 40A). We demonst…
ICM Signatures from Multiple Outbursts in the Galaxy Group NGC 5813: A Window to AGN Feedback
S. W. Randall, W. R. Forman, S. Giacintucci +10
We present results from Chandra observations of NGC 5813, the dominant central galaxy in a nearby galaxy group. We focus on three main results. 1) The diffuse gas shows clear signa…