Astronomy and Astrophysics – Astronomy
Scientific paper
Oct 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991aj....102.1409c&link_type=abstract
Astronomical Journal (ISSN 0004-6256), vol. 102, Oct. 1991, p. 1409-1416. Research supported by Kutztown University.
Astronomy and Astrophysics
Astronomy
B Stars, Eclipsing Binary Stars, G Stars, Light Curve, Stellar Spectrophotometry, Electrophotometry, Stellar Orbits, Ubv Spectra
Scientific paper
SV Tauri is an Algol-type eclipsing binary with P = 2.1669 d and V = 9.7 m at maximum light. The primary minimum is 1.1 m deep, the secondary minimum 0.1 m, and the eclipses are partial. Photoelectron UBV observations were obtained between 1981 and 1988 with the 0.4 m telescope No. 4 at KPNO and with the 1.0 m reflector of the USNO Flagstaff Station. The light curves were analyzed using both the WINK method and the SIMPLEX algorithm. SV Tauri proves to be a typical semidetached Algol-type system with the secondary component filling its Roche lobe. Earlier analyses, based on visual and photographic observations, indicated orbital eccentricity, but the observations and analyses in this study show that the orbit is circular. The spectral classes of the components are B9 V and G5 IV. The values derived for r1, r2, and the mass ratio are 0.29, 0.27, and 0.28, respectively.
Chambliss Carlson R.
Walker Raymond L.
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