Astronomy and Astrophysics – Astronomy
Scientific paper
Apr 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991apj...371l..69b&link_type=abstract
Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 371, April 20, 1991, p. L69-L72. Icelandic Science Foundation-sup
Astronomy and Astrophysics
Astronomy
20
Accretion Disks, Black Holes (Astronomy), High Temperature Plasmas, Optical Thickness, Plasma Clouds, Bremsstrahlung, X Ray Sources
Scientific paper
A powerful new method to determine the structure of effectively optically thin accretion disks is described. The method reduces the set of equations needed to be numerically solved to the microphysical equations only and reduces the dimension of the parameter space needed to be explored from three to two. It is shown why proton optical depth and compactness are natural parameters in studying hot plasma clouds (HPCs), and the structure equations of geometrically thin alpha disk are studied and the accretion disk parameters are related to the HPC parameters. As an example, the method is applied to an effectively optically thin bremsstrahlung disk. It is shown how a full disk solution is constructed from the generic solution profile.
Bjornsson Gunnlaugur
Svensson Roland
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