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The role of BHs in AGN Basic concepts of the standard model of AGN
 

Summary: Lecture 2
The role of BHs in AGN
Basic concepts of the standard model of AGN
Evidence for the presence of supermassive BHs in AGN
The role of accretion
Methods to weight a BH in an AGN
Demographics of QSOs and BHs
Itziar Aretxaga, INAOE, April 2007
The standard model of AGN
(Collin 2001)
The extreme luminosities emitted
by AGN
bolometric LAGN! 1044"1046 erg s"1
made it clear that the easiest way
to explain them was through the
release of gravitational energy. In
the mid-60s the concept of a
supermassive black hole (SMBH)
surrounded by a viscous disk of
accreting matter gained popularity

  

Source: Aretxaga, Itziar - Instituto Nacional de Astrofísica Óptica y Electrónica

 

Collections: Physics