A Physical Model for Co-evolution of QSOs and of their Spheroidal Hosts

Details A Physical Model for Co-evolution of QSOs and of their Spheroidal Hosts A Physical Model for Co-evolution of QSOs and of their Spheroidal Hosts

2006-02-11

arxiv.org/abs/astro-ph/0602257v1

Mem.Soc.Ast.It. 75 (2004) 282

Astronomy and Astrophysics

Astrophysics

Invited talk at the Specola Vaticana Workshop on "AGN and Galaxy Evolution", Castel Gandolfo, 3-6 October 2005, 10 pages, 2 fi

Scientific paper

At variance with most semi-analytic models, in the Anti-hierarchical Baryon Collapse scenario (Granato et al. 2001, 2004) the main driver of the galaxy formation and evolution is not the merging sequence but are baryon processes. This approach emphasizes, still in the framework of the hierarchical clustering paradigm for dark matter halos, feedback processes from supernova explosions and from active nuclei, that tie together star formation in spheroidal galaxies and the growth of black holes at their centers. We review some recent results showing the remarkably successful predictive power of this scenario, which allows us to account for the evolution with cosmic time of a broad variety of properties of galaxies and active nuclei, which proved to be very challenging for competing models.

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