Astronomy and Astrophysics – Astronomy
Scientific paper
Oct 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aspc..408..364d&link_type=abstract
The Starburst-AGN Connection. ASP Conference Series, Vol. 408, proceedings of the conference held 27-31 October 2008, at Shangha
Astronomy and Astrophysics
Astronomy
Scientific paper
We present model calculations of the evolution of massive, self-gravitating accretion disks in galactic centers and the ensuing growth of nuclear black holes. In particular, we show that for sufficiently compact and massive disks, as are expected from of mergers of two gas-rich galaxies, black holes with masses > 10^9 M_&sun; can form sufficiently quickly to account for the highest red-shift (z>6) luminous quasars. Our results are also in good agreement with the observation that the number density of AGNs of different luminosities peaks at different red-shifts z, with the brightest AGNs peaking at the highest z.
Duschl Wolfgang J.
Strittmatter Peter A.
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