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Fueling-controlled growth of massive black holes

Published online by Cambridge University Press:  01 July 2007

Andrés Escala
Andrés Escala*
Affiliation:
Kavli Institute for Particle Astrophysics and Cosmology, Stanford University / SLAC, 2575 Sand Hill Rd. MS 29, Menlo Park, CA 94025, USA. email: andres@slac.stanford.edu
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Abstract

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We study the relation between nuclear massive black holes and their host spheroid gravitational potential. Using AMR numerical simulations, we analyze how gas is transported into the nuclear (central kpc) regions of galaxies. We study gas fueling onto the inner accretion disk (sub-pc scale) and star formation in a massive nuclear disk like those generally found in proto-spheroids (ULIRGs, SCUBA Galaxies). These sub-pc resolution simulations of gas fueling, which is mainly depleted by star formation, naturally satisfy the ‘MBH - Mvirial’ relation, with a scatter considerably less than that observed. We find that a generalized version of the Kennicutt-Schmidt Law for starbursts is satisfied, in which the total gas depletion rate (Ṁgas = ṀBH + ṀSF) scales as Mgas/torbital.

Keywords

quasars: general - galaxies: formation - black hole physics
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 3 , Symposium S245: Formation and Evolution of Galaxy Bulges , July 2007 , pp. 165 - 168
Copyright
Copyright © International Astronomical Union 2008

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