A synthetic view of AGN evolution and supermassive black holes growth

I will describe the constraints available from a study of AGN evolution synthesis models on the growth of the supermassive black holes (SMBH) population in the two main 'modes' observed (kinetic- and radiatively-dominated, respectively). I will show how SMBH mass function evolves anti-hier...

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Bibliographic Details
Published inarXiv.org
Main Author Merloni, Andrea
Format Paper
LanguageEnglish
Published Ithaca Cornell University Library, arXiv.org 10.12.2009
Subjects
Active galactic nuclei
Galactic evolution
Galaxies
Luminosity
Red shift
Supermassive black holes
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Summary:I will describe the constraints available from a study of AGN evolution synthesis models on the growth of the supermassive black holes (SMBH) population in the two main 'modes' observed (kinetic- and radiatively-dominated, respectively). I will show how SMBH mass function evolves anti-hierarchically, i.e. the most massive holes grew earlier and faster than less massive ones, and I will also derive tight constraints on the average radiative efficiency of AGN. An outlook on the redshift evolution of the AGN kinetic luminosity function will also be discussed, thus providing a robust physical framework for phenomenological models of AGN feedback within structure formation. Finally, I will present new constraints on the evolution of the black hole-galaxy scaling relation at 1<z<2 derived by exploiting the full multi-wavelength coverage of the COSMOS survey on a complete sample of 90 type 1 AGN.
ISSN:2331-8422