Morphology and Environments of X-Ray/Radio-Loud AGN in the GOODS Fields

Details Morphology and Environments of X-Ray/Radio-Loud AGN in the GOODS Fields Morphology and Environments of X-Ray/Radio-Loud AGN in the GOODS Fields

Dec 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aas...201.0602k&link_type=abstract

American Astronomical Society, 201st AAS Meeting, #06.02; Bulletin of the American Astronomical Society, Vol. 34, p.1098

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The advent of ultra-deep X-ray surveys with Chandra, together with deep HST/ACS imaging and microJy-level radio surveys, allows us to directly probe the detailed properties of the environments, host galaxies and central accretion disks of the most distant radio galaxies. Here we present results from a combined program of our ultra-deep 20cm radio survey with the Australia Telescope of the Chandra Deep Field South, together with data from the multi-band GOODS/ACS imaging program with HST. We describe a sample of radio-loud AGN in this field and present results on the optical morphological properties of their hosts and environments, as well as their X-ray properties. We discuss the results in the context of previous studies on lower-redshift radio galaxies, and also present a comparison with the properties of radio-quiet AGN to examine whether radio-loudness represents the high end of a continuum of properties or is instead a phenomenon that is quite distinct from radio-quiet sources. We examine the implications of these results for the properties of black holes in the early universe. Ground-based imaging data were taken at ESO 2.2m, NTT, VLT, and NOAO 4m telescopes and made publicly available.

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