Joint evolution of an active galactic nucleus and a massive central black hole

Details Joint evolution of an active galactic nucleus and a massive central black hole Joint evolution of an active galactic nucleus and a massive central black hole

Nov 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990pazh...16..970d&link_type=abstract

Pis'ma v Astronomicheskii Zhurnal (ISSN 0320-0108), vol. 16, Nov. 1990, p. 970-978. In Russian. In Russian.

Astronomy and Astrophysics

Astronomy

2

Active Galactic Nuclei, Black Holes (Astronomy), Galactic Evolution, Star Distribution, Stellar Motions

Scientific paper

Parameters of stellar systems with a central massive black hole are found in the case of a density peak formation around a hole due to the collective interactions of stars. The existence of such a density peak can lead to evolutionary expansion and 'freezing' of stellar systems which are of the normal galactic type with a 'dead' quasar in the center. Conversely, the most natural conditions for active galactic nuclei are such that the density peak does not exist and the central stellar systems shrink without limit. In the final stages of this compression, the luminosity of the black hole is near that of the Eddington value and is provided for the accretion of gas which has been released during the collision of stars in the system.

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