A preliminary light-curve analysis for the early-type binary HD 219634

Details A preliminary light-curve analysis for the early-type binary HD 219634 A preliminary light-curve analysis for the early-type binary HD 219634

Dec 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990pasp..102.1375m&link_type=abstract

Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 102, Dec. 1990, p. 1375-1381. Research supported by Kin

Astronomy and Astrophysics

Astronomy

4

Early Stars, Eclipsing Binary Stars, Light Curve, Astronomical Models, Astronomical Photometry, Computer Programs, Ubv Spectra

Scientific paper

Differential B and V light curves are presented for the early-type double-lined binary HD 219634. A model has been fitted to the light curves, and to the light- and radial velocity curves in combination, using the Wilson-Divinney code which has been adapted to run on a microcomputer. The system is found to be detached, the filling factors for the two components being F(1) = O.49 and F(2) =0.86. The mass of the primary component appears to be relatively low for its spectral type but is consistent with the derived radius, according to published relationships among those parameters.

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