The environmental and epoch dependence of radio-loud AGN feedback

Details The environmental and epoch dependence of radio-loud AGN feedback The environmental and epoch dependence of radio-loud AGN feedback

Oct 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007xmm..prop...51c&link_type=abstract

XMM-Newton Proposal ID #05516306

Physics

Groups Of Galaxies, Clusters Of Galaxies, Supercluster, 7C 0223+3415, 7C 0213+3418, 6C 1200+3416, 6C 1303+3756, 6C 1111+3940, 6C 0857+3945, Xmm-Newton Proposal Id #05516306

Scientific paper

Recent work with XMM-Newton and Chandra has played a key role in establishing a consensus that feedback from radio-loud AGN outbursts is an important ingredient in CDM structure formation models; however, observational constraints on the environmental and epoch dependence of these feedback processes are lacking. Here we propose to measure the group/cluster environments of a carefully selected sample of powerful (FRII) radio galaxies at z=0.5, extending to the lowest radio luminosities seen in lower redshift samples, so as to resolve the long-standing question of whether observed differences in FRII environments at low and high redshift are due to an environmental or an epoch dependence of radio outburst behaviour.

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