Astronomy and Astrophysics – Astronomy
Scientific paper
May 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21832803k&link_type=abstract
American Astronomical Society, AAS Meeting #218, #328.03; Bulletin of the American Astronomical Society, Vol. 43, 2011
Astronomy and Astrophysics
Astronomy
Scientific paper
Initial results are presented on searches for high-reshift AGN candidates using the new WFC3/IR data obtained as part of the CANDELS survey, including the GOODS, UDS and EGS fields. Obtaining constraints on the numbers of AGN at high redshifts is crucial for improving our understanding of their growth and evolution as well as their relationship to their host galaxies, especially important for the physical processes that underlie the M-sigma relation. Yet obtaining sufficiently large samples of z>6 AGN has proved elusive to date, due to their low surface density as well as their faint magnitudes. The new deep WFC3/IR imaging provided by the CANDELS survey offers the first opportunity to obtain sufficiently large samples of these sources to be able to constrain the evolution of the AGN luminosity function up to high redshift, with corresponding implications for the co-evolution of galaxies and their central supermassive black holes.
CANDELS Collaboration
Chary Ranga Ram
Conselice Chris
Donley Jennifer
Faber Sandra
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