The cosmological co-evolution of supermassive black holes, AGN and galaxies

Details The cosmological co-evolution of supermassive black holes, AGN and galaxies The cosmological co-evolution of supermassive black holes, AGN and galaxies

2008-09-03

arxiv.org/abs/0809.0640v1

Astronomy and Astrophysics

Astrophysics

Proceedings of "The Central Kiloparsec: Active Galactic Nuclei and Their Hosts", Ierapetra, Crete, 4-6 June, 2008. To appear i

Scientific paper

We model the cosmological co-evolution of galaxies and their central supermassive black holes (BHs) within a semi-analytical framework developed on the outputs of the Millennium Simulation (Croton et al., 2006; De Lucia & Blaizot, 2007). In this work, we analyze the model BH scaling relations, fundamental plane and mass function, and compare them with the most recent observational data. Furthermore, we extend the original code developed by Croton et al. (2006) to follow the evolution of the BH mass accretion and its conversion into radiation, and compare the derived AGN bolometric luminosity function with the observed one. We find, for the most part, a very good agreement between predicted and observed BH properties. Moreover, the model is in good agreement with the observed AGN number density in 0

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