High-redshift QSOs in GOODS

Details High-redshift QSOs in GOODS High-redshift QSOs in GOODS

Dec 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004bdmh.confe..53f&link_type=abstract

"Proceedings of "Baryons in Dark Matter Halos". Novigrad, Croatia, 5-9 Oct 2004. Editors: R. Dettmar, U. Klein, P. Salucci. Publ

Physics

Scientific paper

Multiwavelenght surveys are a key instrument in detecting AGNs. AGNs are recognizable from their color properties and/or their infrared/X-ray emission. We discuss the recent developments of the GOODS survey and our selection of candidates based on optical color criteria and on the matching of the optical ACS database with infrared and X-rays counterparts. We pay particular attention to the high-z QSOs search in those fields. From these observation we obtain a sample of QSOs at redshifts from 3.5 to 5.2 and we put new constraints on the faint end of the Luminosity Function at those redshift, which is particularly important to understand the interplay between the formation of galaxies and super-massive black holes inside Dark Matter Halos and to measure the QSOs contribution to the UV ionizing background.

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