Vertical structures of self-gravitating gaseous disks around a central object

Details Vertical structures of self-gravitating gaseous disks around a central object Vertical structures of self-gravitating gaseous disks around a central object

Oct 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992pasj...44..553f&link_type=abstract

PASJ: Publications of the Astronomical Society of Japan (ISSN 0004-6264), vol. 44, no. 5, p. 553-556.

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10

Accretion Disks, Gas Dynamics, Gravitational Effects, Polytropic Processes, Space Density

Scientific paper

The vertical structures of a polytropic disk around a central object were examined by incorporating the effect of the self-gravity of the disk gas. When the self-gravity is negligible, the thickness of the cold disk is finite but becomes infinite and the disk gas unbound as the disk becomes hot. On the other hand, when the self-gravity is dominant, the thickness slowly increases as the disk becomes hot. In the intermediate case of self-gravity, the thickness drastically changes as the disk becomes hot. These properties are similar for an isothermal disk.

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