Other
Scientific paper
Nov 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993mnras.265..189d&link_type=abstract
Monthly Notices of the Royal Astronomical Society, Vol. 265, NO. 1/NOV1, P. 189, 1993
Other
6
Scientific paper
B, V and I CCD photometry is presented for the SMC eclipsing binary HV 1761 and five other variable stars in the same field. HV 1761 is detached and seen close to edge-on. Any orbital eccentricity is slight. The system plausibly comprises early B stars differing by no more than ~30 per cent in radius and separated by about three times their mean radius. HV 1787 and 12151 are known Cepheid variables, with light curves very similar to those of Galactic Cepheids. HV 12153 is found to have a 1.07-d period and to be consistent with the first-overtone pulsation period-luminosity relation for anomalous Cepheids. Two newly discovered variables 0.5 mag brighter than HV 1761, but of similar colour, are possibly a slightly eccentric 1.5-d eclipsing binary and a Be star.
Duncan P. R. S.
Gilmore Alan C.
Tobin William
Watson Robert D.
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