Modeling of the accretion disks and spectra of their radiation in cataclysmic variable stars. I - V603 AQL

Details Modeling of the accretion disks and spectra of their radiation in cataclysmic variable stars. I - V603 AQL Modeling of the accretion disks and spectra of their radiation in cataclysmic variable stars. I - V603 AQL

Mar 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992sval...18..104s&link_type=abstract

Soviet Astronomy Letters, Vol. 18, p. 104; Pis'ma v Astronomicheskii Zhurnal (ISSN 0320-0108), vol. 18, no. 3, March 1992, p. 25

Astronomy and Astrophysics

Astronomy

8

Accretion Disks, Cataclysmic Variables, Stellar Atmospheres, Stellar Models, Stellar Spectra, White Dwarf Stars, Atmospheric Temperature, Stellar Magnetic Fields, Temperature Distribution

Scientific paper

Results of modeling of the accretion disk around a white dwarf, the Old Nova V603 Aql, are presented. Models of atmospheres and spectra of escaping radiation for two models of the accretion disk are calculated. It is shown that the model of the atmosphere of a stationary, optically thick, geometrically thin alpha-disk for a given radius differs only slightly from the model of the stellar atmosphere with the same effective temperature and surface gravity. The radiation spectra calculated describe accurately the energy distribution in the optical and UV regions of the V603 Aql spectrum.

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