The eclipsing small Magellanic cloud Wolf-Rayet binary HD 5980

Details The eclipsing small Magellanic cloud Wolf-Rayet binary HD 5980 The eclipsing small Magellanic cloud Wolf-Rayet binary HD 5980

Feb 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978pasp...90..101h&link_type=abstract

Astronomical Society of the Pacific, Publications, vol. 90, Feb.-Mar. 1978, p. 101-104. Research supported by the National Rese

Astronomy and Astrophysics

Astronomy

25

Eclipsing Binary Stars, Electrophotometry, Hot Stars, Light Curve, Magellanic Clouds, Wolf-Rayet Stars, B Stars, O Stars, Orbital Elements, Stellar Motions, Ubv Spectra

Scientific paper

A photoelectric light curve showing eclipses is presented for the first time for an extragalactic W-R binary HD 5980. The period is 25.56 plus or minus 0.08 days, rendering the separation of the two stars possibly large enough to minimize interaction effects so that a detailed study of the stratification of a W-R envelope is feasible. Spectroscopic observations are urgently needed to determine the masses and to distinguish which component is in front at the time of primary eclipse, which has a depth of 0.2 magnitude.

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