The Role of AGN Feedback in Massive Elliptical Galaxies

Details The Role of AGN Feedback in Massive Elliptical Galaxies The Role of AGN Feedback in Massive Elliptical Galaxies

Oct 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010xmm..prop..116l&link_type=abstract

XMM-Newton Proposal ID #06728701

Physics

Groups Of Galaxies, Clusters Of Galaxies, Supercluster, Ic4296

Scientific paper

We propose a 70 ks XMM-Newton observation of the hot gas around the unusual radio galaxy IC 4296 (PKS 1333-33) to measure the thermodynamic parameters of the hot gas environment. This massive elliptical galaxy lies at the center of a nearby group, and has a variety of unusual features suggesting a strong interaction between the jet and the ambient gas. On 100-kpc scales, the jets terminate in a mildly edge-brightened radio lobes without a conspicuous hot spot, suggestive of efficient subsonic thermalization of the jet flow. Strong external shocks have been found in systems with similar morphologies (e.g. Centaurus A). Understanding the role of AGN feedback has important implications to our fundamental knowledge of galaxy evolution.

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