Self-gravitating accretion disk models for active galactic nuclei - Self-consistent alpha-models for the broad emission-line region

Details Self-gravitating accretion disk models for active galactic nuclei - Self-consistent alpha-models for the broad emission-line region Self-gravitating accretion disk models for active galactic nuclei - Self-consistent alpha-models for the broad emission-line region

May 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982apj...256..390s&link_type=abstract

Astrophysical Journal, Part 1, vol. 256, May 15, 1982, p. 390-396.

Astronomy and Astrophysics

Astronomy

33

Active Galactic Nuclei, Black Holes (Astronomy), Stellar Mass Accretion, Astronomical Models, Milky Way Galaxy, Relativistic Effects, Rotating Disks, Seyfert Galaxies

Scientific paper

It is demonstrated that the structure of the alpha-model accretion disk can be solved self-consistently by using equations describing the conservation laws and vertical pressure balance to determine the ratio of central to self-gravitation, the opacity, and the pressure as a function of position within the disk. Changes in the standard model for supermassive black hole disk accretion are discussed along with model features which may be relevant to the explanation of observable properties of Seyfert galaxies and quasars. Three new variables are defined: the ratio of central to self-gravitation, gas to radiation pressure, and free-free opacity to electron scattering opacity. The most conspicuous difference between the non-self-gravitating model and this self-consistent one is the sharp decrease in thickness in the middle region of the self-gravitating model.

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