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Chandra Observation of the Core of Abell 576
Joshua C. Kempner, Laurence P. David
We present data from a Chandra observation of the nearby cluster of galaxies Abell 576. The core of the cluster shows a significant departure from dynamical equilibrium. We show th…
A Chandra View of the Multiple Merger In Abell 2744
Joshua C. Kempner, Laurence P. David
We present a Chandra observation of the merging cluster of galaxies Abell 2744. The cluster shows strong evidence for an ongoing major merger which we believe to be responsible for…
Direct constraints on the dark matter self-interaction cross-section from the merging galaxy cluster 1E0657-56
M. Markevitch, A. H. Gonzalez, D. Clowe +6
We compare new maps of the hot gas, dark matter, and galaxies for 1E0657-56, a cluster with a rare, high-velocity merger occurring nearly in the plane of the sky. The X-ray observa…
An XMM-Newton observation of the galaxy group MKW 4
E. O'Sullivan, J. M. Vrtilek, A. M. Read +2
We present an X-ray study of the galaxy group or poor cluster MKW 4. Working with XMM data we examine the distribution and properties of the hot gas which makes up the group halo.…
Observed Non-Steady State Cooling and the Moderate Cluster Cooling Flow Model
Noam Soker, Laurence P. David
We examine recent developments in the cluster cooling flow scenario following recent observations by Chandra and XMM-Newton. We show that the distribution of gas emissivity verses…
Chandra Temperature Map of Abell 754 and Constraints on Thermal Conduction
M. Markevitch, P. Mazzotta, A. Vikhlinin +9
We use Chandra data to derive a detailed gas temperature map of the nearby, hot, merging galaxy cluster A754. Combined with the X-ray and optical images, the map reveals a more com…