Fueling Low-Level AGN Activity through Stochastic Accretion of Cold Gas*
@article{Hernquist2006FuelingLA, title={Fueling Low-Level AGN Activity through Stochastic Accretion of Cold Gas*}, author={Philip F. HopkinsLars Hernquist}, journal={Astrophysical Journal Supplement Series}, year={2006}, volume={166}, pages={1-36} }
Using a simple description of feedback from black hole growth, we develop an analytic model for the fueling of Seyferts (low-luminosity active galactic nuclei [AGNs]) and their relation to their host galaxies, Eddington ratio distributions, and cosmological evolution. We derive a solution for the time evolution of accretion rates in a feedback-driven blast wave, applicable to large-scale outflows from bright quasars in galaxy mergers, low-luminosity AGNs, and black holes or neutron stars in… CONTINUE READING
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