X-ray from Hot Shocked Gas: Probing Radio Galaxy Propagation

Details X-ray from Hot Shocked Gas: Probing Radio Galaxy Propagation X-ray from Hot Shocked Gas: Probing Radio Galaxy Propagation

Oct 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007xmm..prop...68o&link_type=abstract

XMM-Newton Proposal ID #05520701

Computer Science

Active Galactic Nuclei, Quasars, Bl-Lac Objects, X-Ray Background, 1017-325, Xmm-Newton Proposal Id #05520701

Scientific paper

Strong shocks are expected to be important during the AGN dominated epochs of galaxy formation and evolution. However these shocks have not yet been detected at high redshifts. A great advantage of this proposal is that we will be observing powerful AGN which should produce strong shocks, but at a redshift where we can detect the hot gas easily. This is only possible because we will observe relatively nearby young radio galaxies. Using XMM we found evidence for a strong shock (Mach 13) around the Compact Steep Spectrum (CSS) Radio Galaxy 3C303.1. We propose to obtain XMM imaging of two powerful CSS sources which are larger and lower redshift than 3C303.1. These observations will provide the key next step in the study of radio source propagation.

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