Feedback at high-z and the joint formation of AGN and massive galaxies

Details Feedback at high-z and the joint formation of AGN and massive galaxies Feedback at high-z and the joint formation of AGN and massive galaxies

Sep 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008cxo..prop.2670s&link_type=abstract

Chandra proposal ID #10900388

Computer Science

Scientific paper

Theoretical galaxy formation models appear to require a feedback mechanism which quenches star formation in massive galaxies at high-z. Inverse Compton scattering of the CMB by relativistic electrons in radio jets is one potential mechanism which occurs in the most massive galaxies at high-z. There is strong evidence for IC scattering from deep Chandra imaging of 2 high-z radio galaxies and here we request time to double this sample with 100-ks observations of two further radio galaxies to confirm the ubiquity of IC halos around these massive galaxies. These deep X-ray images will also uncover overdensities of luminous AGN associated with far-IR-luminous companions, providing a census of black-hole growth and merging in high-density regions surrounding these radio galaxies.

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