Cygnus A --- Shock Heating of the Intra-Cluster Medium

Details Cygnus A --- Shock Heating of the Intra-Cluster Medium Cygnus A --- Shock Heating of the Intra-Cluster Medium

Sep 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004cxo..prop.1795y&link_type=abstract

Chandra Proposal ID #06800915

Computer Science

Chandra Proposal Id #06800915

Scientific paper

We propose a 200 ksec observation of Cygnus A with the primary goal of unambiguously showing that the expanding cavity around Cygnus A is shock heating the intra-cluster medium and transferring tremendous quantities of energy, in the form of heat, to the cluster core. Cygnus A is unique among cooling flow clusters because the radio source is so young and powerful, and has produced a single football-shaped cavity that envelops the whole source. As such Cygnus A is the "cleanest" example of a radio galaxy interacting with the intra-cluster medium. Secondary science goals include the study of the synchrotron self-Compton emission of the hot spots, the jet morphology, spectrum and precession, and the cold gas falling through the cavity toward the nucleus.

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