Local supermassive black holes, relics of active galactic nuclei and the X-ray background

@article{Marconi2004LocalSB,
  title={Local supermassive black holes, relics of active galactic nuclei and the X-ray background},
  author={Alessandro Marconi and Guido Risaliti and Roberto Gilli and Leslie K. Hunt and Roberto Maiolino and Marco Salvati},
  journal={Monthly Notices of the Royal Astronomical Society},
  year={2004},
  volume={351},
  pages={169-185}
}
We quantify the importance of mass accretion during AGN phases in the growth of supermassive black holes (BH) by comparing the mass function of black holes in the local universe with that expected from AGN relics, which are black holes grown entirely with mass accretion during AGN phases. The local BH mass function (BHMF) is estimated by applying the well-known correlations between BH mass, bulge luminosity and stellar velocity dispersion to galaxy luminosity and velocity functions. We find… 

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