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arXiv:astro-ph/0504473 (astro-ph)
[Submitted on 21 Apr 2005]

Title:A Physical Model for the joint evolution of high-z QSOs and Spheroids

Authors:Gian Luigi Granato, Laura Silva, Luigi Danese, Gianfranco De Zotti, Alessandro Bressan
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Abstract: We summarize our physical model for the early co-evolution of spheroidal galaxies and of active nuclei at their centers. Our predictions are in excellent agreement with a number of observables which proved to be extremely challenging for all the current semi-analytic models, including the sub-mm counts and the corresponding redshift distributions, and the epoch-dependent K-band luminosity function of spheroidal galaxies. Also, the black hole mass function and the relationship between the black hole mass and the velocity dispersion in the galaxy are nicely reproduced. The mild AGN activity revealed by X-ray observations of SCUBA sources is in keeping with our scenario, and testify the build up of SMBH triggered by intense star formation.
Comments: 6 Pages, 5 figures, Invited talk at "Multiwavelength AGN surveys", Cozumel, Mexico, December 2003, eds. R. Mujica & R. Maiolino, Singapore: World Scientific, 2004
Subjects: Astrophysics (astro-ph)
Cite as: arXiv:astro-ph/0504473
  (or arXiv:astro-ph/0504473v1 for this version)
  https://doi.org/10.48550/arXiv.astro-ph/0504473

Submission history

From: Gian Luigi Granato [view email]
[v1] Thu, 21 Apr 2005 16:19:54 UTC (39 KB)
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