Accretion disks in active galactic nuclei - Vertically averaged models

Details Accretion disks in active galactic nuclei - Vertically averaged models Accretion disks in active galactic nuclei - Vertically averaged models

Jan 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992apj...385...87c&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 385, Jan. 20, 1992, p. 87-93. Research supported by NASA.

Astronomy and Astrophysics

Astronomy

30

Accretion Disks, Active Galactic Nuclei, Astronomical Models, Black Holes (Astronomy), Gas Pressure, Gravitational Effects, Radiation Pressure

Scientific paper

Simple models of accretion disks surrounding supermassive black holes in AGN are constructed. By considering several different opacity laws, it is shown that some conclusions arrived at by previous investigators are model-dependent. A simple technique for solving the full vertically averaged disk equations, taking into account both self-gravity and central object gravity and gas pressure and radiation pressure, is presented. The self-consistency of the standard non-self-gravitating, geometrically thin accretion disk models is discussed, and the findings of Lin and Shields (1986) that such models are valid only in a restricted parameter space are confirmed.

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