AGN Heating of Clusters and Restarting Radio Galaxies

Details AGN Heating of Clusters and Restarting Radio Galaxies AGN Heating of Clusters and Restarting Radio Galaxies

Sep 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006cxo..prop.2232j&link_type=abstract

Chandra Proposal ID #08800709

Computer Science

Chandra Proposal Id #08800709

Scientific paper

Heating by AGN is widely believed to be an important mechanism in solving the cluster centre `cooling flow problem', but direct observations of AGN heating are rare. We propose to observe the restarting radio source hosted by the BCG in the cluster Abell 695. This AGN is at the beginning of a duty cycle, and is feeding small young radio lobes which should be expanding supersonically and driving shocks into the ICM. This is the only cluster-centre source we are aware of where the radio and X-ray data are consistent with ongoing shock heating. We intend to search for signs of shock heating of the ICM, measure the temperature of any shocked material, and by comparison with systems such as Centaurus A, further our understanding of the important shock-heating phase of AGN cluster energy input.

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