The Evolution of Radio Galaxies in Coma Cluster Progenitors

Details The Evolution of Radio Galaxies in Coma Cluster Progenitors The Evolution of Radio Galaxies in Coma Cluster Progenitors

Aug 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011scgg.conf...20h&link_type=abstract

"Structure in Clusters and Groups of Galaxies in the Chandra Era, 2011 Chandra Science Workshop held July 12-14, 2011. Edited by

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The Evolution of Radio Galaxies in Coma Cluster Progenitors Abstract: Evolutionary studies of cluster radio galaxies provide a snapshot of AGN activity, which can affect the thermal history of the ICM. Guided by cosmological simulations, we select 22 clusters between 0.25×10^{23} W/Hz. Contrary to previous studies, we find significant evolution of the radio luminosity function of cluster radio galaxies with higher-power radio galaxies situated in lower-temperature clusters at earlier epochs. Our results suggest a 9-10 fold increase in the heat injected into high-z clusters by AGN compared to the present epoch.

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