Recognition: unknown
AGN Flickering and Chaotic Accretion
classification
🌌 astro-ph.HE
astro-ph.GA
keywords
accretionblackchaoticfeedingtimescaleactiveargumentsbecause
read the original abstract
Observational arguments suggest that the growth phases of the supermassive black holes in active galactic nuclei have a characteristic timescale $\sim 10^5$ yr. We show that this is the timescale expected in the chaotic accretion picture of black hole feeding, because of the effect of self-gravity in limiting the mass of any accretion disc feeding event.
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