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Cosmic evolution of stellar quenching by AGN feedback : clues from the Horizon-AGN simulation
(2017-11-21)
The observed massive end of the galaxy stellar mass function is steeper than its predicted dark matter halo counterpart in the standard $\Lambda $CDM paradigm. In this paper, we investigate the impact of active galactic ...
A Spectacular Bow Shock in the 11 keV Galaxy Cluster Around 3C 438
(2017-01-11)
We present results of deep 153 ks Chandra observations of the hot, 11 keV, galaxy cluster associated with the radio galaxy 3C 438. By mapping the morphology of the hot gas and analyzing its surface brightness and temperature ...