Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983icrc....1...16k&link_type=abstract
IN: International Cosmic Ray Conference, 18th, Bangalore, India, August 22-September 3, 1983, Conference Papers. Volume 1 (A85-2
Astronomy and Astrophysics
Astronomy
1
Compton Effect, Optical Thickness, Plasma Radiation, Plasma Spectra, Space Plasmas, X Ray Astronomy, Black Body Radiation, Photon-Electron Interaction
Scientific paper
The thermal radiation spectrum and luminosity of an optically thick perfectly ionized nonrelativistic plasma is investigated analytically, deriving the generalized Kompaneets equation for a finite medium and solving it for a number of limits involving the ratios of the photon-scattering, absorption, and Comptonization lengths. The anisotropic angular distribution of the plasma radiation and the ratio of plasma luminosity to black-body luminosity at temperatures (1-1000) x 10 to the 5th K and electron densities 10 to the 8th to 10 to the 22nd/cu cm are shown in graphs. These findings are applicable to studies of X-ray emission from point objects and optically thick accretion disks.
Kelner Stanislav R.
Kotov Iu. D.
Shikhovtseva E. S.
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