RW Doradus - A photometric study

Details RW Doradus - A photometric study RW Doradus - A photometric study

Oct 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989mnras.240..931m&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 240, Oct. 15, 1989, p. 931-940.

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Astronomical Photometry, Eclipsing Binary Stars, Light Curve, Ubv Spectra, Astronomical Observatories, Magellanic Clouds, Stellar Temperature

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Photoelectric UBV observations of the short-period eclipsing binary RW Dor are presented; they were obtained at the Bosque Alegre Station of Cordoba Observatory. RW Dor is a W-type contact system showing a significant temperature difference between the components. The orbital period and ephemeris are analyzed from eight photographic minima and from 27 photoelectric minima. The light curves were analyzed by the Wilson-Devinney computational code. The large range for the possible values of the mass ratio, q, makes the need of a spectroscopic determination clear. The observed asymmetry in the light curves is interpreted as a hot spot localized on the trailing hemisphere of the larger component. An estimate of the temperature of the spot is given.

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