Light-curve synthesis for close binaries: Elliptical disk around a white dwarf

We present an algorithm for the synthesis of the light curve of a close binary system consisting of a red dwarf that fills its Roche lobe and a spherical white dwarf. The spherical component is surrounded by an elliptical accretion disk with a complex shape, geometrically thin near the spherical sta...

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Bibliographic Details
Published in:Astronomy reports 2000-07, Vol.44 (7), p.446-459
Main Author: Khruzina, T S
Format: Article
Language:English
Subjects:
Accretion
Accretion disks
Stars & galaxies
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Summary:We present an algorithm for the synthesis of the light curve of a close binary system consisting of a red dwarf that fills its Roche lobe and a spherical white dwarf. The spherical component is surrounded by an elliptical accretion disk with a complex shape, geometrically thin near the spherical star and geometrically thick at the edge of the disk. The model is able to describe the shape of the secondary minimum in the light curve of the eclipsing variable KU Cyg, which has not been possible using other models.
ISSN:1063-7729
1562-6881
DOI:10.1134/1.163869