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The Extreme Physics Explorer
Michael Garcia, Martin Elvis, Jay Bookbinder +18
A non-proprietary Mission Concept available for presentation to NASA, providing High Area, High Resolution Imaging Spectroscopy and Timing with Arcmin Angular Resolution Submitted…
Minor merger-induced cold fronts in Abell 2142 and RXJ1720.1+2638
Matt S. Owers, Paul E. J. Nulsen, Warrick J. Couch
We present evidence for the existence of substructure in the "relaxed appearing" cold front clusters Abell 2142 and RXJ1720.1+2638. The detection of these substructures was made po…
Average Heating Rate of Hot Atmospheres in Distant Clusters by Radio AGN: Evidence for Continuous AGN Heating
C. -J. Ma, B. R. McNamara, P. E. J. Nulsen +2
We examine atmospheric heating by radio active galactic nuclei (AGN) in distant X-ray clusters by cross correlating clusters selected from the 400 Square Degree (400SD) X-ray Clust…
Pahs, Ionized Gas, and Molecular Hydrogen in Brightest Cluster Galaxies of Cool Core Clusters of Galaxies
Megan Donahue, Geneviève E. de Messières, Robert W. O'Connell +4
We present measurements of 5-25 μm emission features of brightest cluster galaxies (BCGs) with strong optical emission lines in a sample of 9 cool-core clusters of galaxies observe…
A Powerful AGN Outburst in RBS 797
K. W. Cavagnolo, B. R. McNamara, M. W. Wise +4
Utilizing ks of Chandra X-ray Observatory imaging, we present an analysis of the intracluster medium (ICM) and cavity system in the galaxy cluster RBS 797. In addition to…
A Chandra study of the large-scale shock and cool filaments in Hydra A: Evidence for substantial gas dredge-up by the central outburst
Myriam Gitti, Paul E. J. Nulsen, Laurence P. David +2
We present the results of a Chandra study of the Hydra A galaxy cluster, where a powerful AGN outburst created a large-scale cocoon shock. We investigated possible azimuthal variat…
Baryons at the Edge of the X-ray Brightest Galaxy Cluster
Aurora Simionescu, Steven W. Allen, Adam Mantz +8
Studies of the diffuse X-ray emitting gas in galaxy clusters have provided powerful constraints on cosmological parameters and insights into plasma astrophysics. However, measureme…
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…