Statistics – Computation
Scientific paper
Jan 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988ap%26ss.140..223s&link_type=abstract
Astrophysics and Space Science (ISSN 0004-640X), vol. 140, no. 2, Jan. 1988, p. 223-235.
Statistics
Computation
27
Eclipsing Binary Stars, Light Curve, Line Shape, Starspots, Stellar Models, Computational Astrophysics, Finite Element Method
Scientific paper
This paper is devoted to the effects of dark starspots on observed light curves and line profiles. A new formulation of the starspot model with multiple spots and arbitrary spot shapes is derived which allows for a numerical solution of light and color curves and distorted line profiles simultaneously. The effects of differential rotation and the existence of a penumbra have also been considered. A parameter study demonstrates the influences of different spot parameters on the theoretical light curves and rotation profiles. The computer code is applicable for single stars as well as for eclipsing close binaries allowing for ellipticity effect and reflection effect.
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