Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980pazh....6..680k&link_type=abstract
(Pis'ma v Astronomicheskii Zhurnal, vol. 6, Nov.-Dec. 1980, p. 680-686.) Soviet Astronomy Letters, vol. 6, Nov.-Dec. 1980, p. 35
Astronomy and Astrophysics
Astronomy
4
Black Holes (Astronomy), Disk Galaxies, Galactic Nuclei, Gravitational Effects, Quasars, Galactic Evolution, Galactic Structure, Kepler Laws, Star Distribution, Stellar Mass Accretion, Toruses
Scientific paper
The standard theory of disk accretion is applied to the case of accretion onto an isolated black hole. It is shown that the standard theory of the disk will develop a self-gravitation regime only if the black hole is massive and if the rate of accretion is fast enough (corresponding to the high luminosity for the quasar or galaxy nucleus). The self-gravitating disk may become unstable and disintegrate into fragments which could form separate stars. The fragmentation would produce a torus of gas and stars around the black hole which would survive even after accretion onto the hole has ceased. The stars in the torus would travel in near-Keplerian orbits with little velocity dispersion. The astrophysical implications of the existence of such a torus are examined.
Kolychalov P. I.
Syunyaev Rashid A.
No associations
LandOfFree
The outer parts of the accretion disks around supermassive black holes in galaxy nuclei and quasars does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with The outer parts of the accretion disks around supermassive black holes in galaxy nuclei and quasars, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and The outer parts of the accretion disks around supermassive black holes in galaxy nuclei and quasars will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-757863