A light synthesis program for binary stars. I

Details A light synthesis program for binary stars. I A light synthesis program for binary stars. I

Jan 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984apjs...54...17l&link_type=abstract

Astrophysical Journal Supplement Series (ISSN 0067-0049), vol. 54, Jan. 1984, p. 17-31.

Astronomy and Astrophysics

Astrophysics

35

Eclipsing Binary Stars, Light Curve, Stellar Models, Companion Stars, Computer Programs, Mathematical Models, Photosphere, Roche Limit, Stellar Atmospheres

Scientific paper

A new light synthesis program is described which provides a smooth transition from detached to semidetached to contact systems as well as facilities for intermediate data examination and interfaces to external data bases for model atmosphere values of normal intensity and nonlinear limb darkening. The program attaches a separate model atmosphere to each surface element and can accommodate input observational data of indefinite length and with up to 90 spectral bands in the color system. It provides means of error evaluation which allow confidence that the representation of the physical model is in error by less than observational noise. It evaluates irradiation effects by numerical integration rather than analytic approximation, it fully allows for partial visibility of the companion in penumbral zones, and it allows for the modified visibility of the companion resulting from local tilting of the horizon.

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