Analysis of light curves of the eclipsing binary U Herculis

Details Analysis of light curves of the eclipsing binary U Herculis Analysis of light curves of the eclipsing binary U Herculis

Apr 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985a%26as...60...71r&link_type=abstract

Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 60, April 1985, p. 71-74.

Astronomy and Astrophysics

Astrophysics

Eclipsing Binary Stars, Light Curve, Stellar Luminosity, Stellar Spectrophotometry, Computer Programs, Fourier Analysis

Scientific paper

The eclipsing binary star u Her is characterized, applying the frequency-domain Fourier analysis technique of Kopal (1979) to the BV light curves of Rovithis and Rovithis-Livaniou (1980). The results are presented in tables and a graph and compared with those obtained by other methods or using different types of data. Assuming a mass ratio of 0.36, u Her is found to have inclination 81.0 deg, larger-component fractional radius 0.350, smaller-component fractional radius 0.293, and smaller-component fractional luminosity 0.145 in B; the corresponding values in V are 82.2 deg, 0.370, 0.310, and 0.163, respectively. The finding of Giuricin et al. (1981) that the secondary component exceeds its Roche lobe is confirmed.

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