A synthetic view of AGN evolution and supermassive black holes growth

Details A synthetic view of AGN evolution and supermassive black holes growth A synthetic view of AGN evolution and supermassive black holes growth

2009-12-10

arxiv.org/abs/0912.2011v1

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

8 pages, 5 color figures, Proceedings of the conference "Accretion and ejection in AGN: a global view" (Como, 22-26 June 2009)

Scientific paper

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

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