CG Cygni - Solutions of 1979 and 1980 light curves

Details CG Cygni - Solutions of 1979 and 1980 light curves CG Cygni - Solutions of 1979 and 1980 light curves

May 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987pasp...99..407s&link_type=abstract

Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 99, May 1987, p. 407-419. Research supported by Vanderb

Astronomy and Astrophysics

Astronomy

17

Eclipsing Binary Stars, Light Curve, Fourier Analysis, Spectrum Analysis, Tables (Data), Temporal Distribution

Scientific paper

Three new V light curves of CG Cyg, a short-period RS CVn binary, are presented. Fourier analysis showed the wave to be present still. The most striking feature of the light outside eclipse is the monotonic increase in the mean level by 15% since 1967. Solution of the rectified light curve yielded values of i = 81°.8, k = 1.00, and p0 = -0.44. These, combined with published spectroscopic elements, gave values of Rh = Rc = 0.80 R_sun;, Mh = Mc = 0.52 M_sun;, and a = 3.13 R_sun;.

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