Contact and near-contact binary systems. X - The contact system TV MUSCAE

Details Contact and near-contact binary systems. X - The contact system TV MUSCAE Contact and near-contact binary systems. X - The contact system TV MUSCAE

Mar 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989mnras.237..447h&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 237, March 15, 1989, p. 447-459. Research supported by

Astronomy and Astrophysics

Astronomy

10

Astronomical Photometry, Astronomical Spectroscopy, Eclipsing Binary Stars, Variable Stars, A Stars, Stellar Luminosity, Stellar Mass, Stellar Temperature

Scientific paper

Reticon spectroscopy and BVRI(c) photometry of TV Muscae are reported. The system is found to have an extreme mass ratio of 0.135 + or - 0.014 and to be in deep contact (F = 0.13 + or - 0.05). The masses and radii of the primary and secondary components support the evolved nature of A-type WUMa systems. The light curves for 1982 and 1984 are shown to be of about the same shape, but to differ at various phase intervals by up to 0.05 mag without any corresponding change in color index.

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