Statistics – Computation
Scientific paper
Oct 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984ap%26ss.105..259p&link_type=abstract
Astrophysics and Space Science (ISSN 0004-640X), vol. 105, no. 2, Oct. 1984, p. 259-285.
Statistics
Computation
12
Computational Astrophysics, Eclipsing Binary Stars, Light Curve, Mass To Light Ratios, Stellar Envelopes, Stellar Luminosity, Stellar Models
Scientific paper
Light curves have been calculated for the model of a binary system consisting of two spherical components, imbedded in a common spherically-symmetric, isotropically-scattering envelope with radially-varying opacity. The periodically-varying screening of stellar radiation by the envelope gives rise to regular light changes, which are similar to stellar eclipses during a superior conjunction of the components and in maxima resemble the light changes due to the reflection effect for Algol-type binaries, whereas for systems with nearly equal luminosities of the components they match light variations, caused by the gravitational distortions of stellar figures. The observed light curves of AO Cas, RY Gem, RS CVn, VW Cep are compared with the model curves. The model can be regarded as a certain optical counterpart of the Roche model.
Einasto L.
Pustylnik Izold B.
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