Radio source ageing and the quenching of cooling cores in clusters

Details Radio source ageing and the quenching of cooling cores in clusters Radio source ageing and the quenching of cooling cores in clusters

Oct 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006xmm..prop...33b&link_type=abstract

XMM-Newton Proposal ID #05010101

Physics

Groups Of Galaxies, Clusters Of Galaxies, Supercluster, A689, Xmm-Newton Proposal 05010101

Scientific paper

We propose to complete the high-quality X-ray observations of a sample of 35 intermediate-redshift bright galaxy clusters by observing 4 with XMM. The sample is unbiased in X-ray morphology and radio-source content, and is of sufficient size to permit us to address the extent to which cooling flows are halted by energy injected by radio sources, and if the dynamical state of the cluster gas correlates with the radio source physical state. This will be achieved by comparing the X-ray-derived temperature, entropy and pressure structures with energy contents, ages and distributions of the radio-sources within the clusters. In addition, complementary observations of SZ effect and weak lensing will allow us to compare 3 mass estimation methods for a statistical galaxy cluster sample.

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