The 2002 Eclipses of OW Geminorum

Details The 2002 Eclipses of OW Geminorum The 2002 Eclipses of OW Geminorum

Dec 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aas...201.0409t&link_type=abstract

American Astronomical Society, 201st AAS Meeting, #04.09; Bulletin of the American Astronomical Society, Vol. 34, p.1096

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Scientific paper

We present UBVRcIc observations of the double supergiant binary OW Geminorum (F2 Ib-II, G8 IIb), including the first multi-color observations of the secondary eclipse. With a 3.5 year orbital period, its eclipses are only visible every seven years. Previous coverage of the primary eclipse from 1995 indicated that the eclipse was very close to being total. Mid-eclipse in 2002 was well-placed for North American observers and our high time resolution observations show that there is no period of totality. We also present a simultaneous light and radial velocity curve solution using the Wilson-Devinney code. We gratefully acknowledge the support of the AAS Small Research Grants Program for this and other binary star research projects.

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