Photometric investigation of a very short-period binary - Is BX Pegasi undergoing continuous angular momentum losses?

Details Photometric investigation of a very short-period binary - Is BX Pegasi undergoing continuous angular momentum losses? Photometric investigation of a very short-period binary - Is BX Pegasi undergoing continuous angular momentum losses?

Sep 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990aj....100..808s&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 100, Sept. 1990, p. 808-817.

Astronomy and Astrophysics

Astronomy

19

Angular Momentum, Astronomical Photometry, Eclipsing Binary Stars, Momentum Transfer, Light Curve, Starspots, Stellar Color, Stellar Magnitude

Scientific paper

Photoelectric observations of BX Peg, made in June and October 1988, are presented. Synthetic light-curve solutions indicate that the system consists of two late G type stars (G7 to G9) in a state of shallow contact (f = 12 percent), with the more massive component being the cooler one. The thermal contact is rather poor, with a temperature difference of 246 K; the mass ratio is about 0.37. Current theories of the structure of short-period low mass binaries are discussed.

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