Astronomy and Astrophysics – Astrophysics
Scientific paper
Mar 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004a%26a...416.1097s&link_type=abstract
Astronomy and Astrophysics, v.416, p.1097-1105 (2004)
Astronomy and Astrophysics
Astrophysics
28
Stars: Binaries: Close, Stars: Binaries: Eclipsing
Scientific paper
A sample of W UMa-type binaries which were discovered by the HIPPARCOS satellite was constructed with the aid of well defined selection criteria described in this work. The selection process showed up that several systems of which the variability types have been assigned as EB in HIPPARCOS catalogue are genuine contact binaries of W UMa-type. The light curves of the 64 selected systems based on HIPPARCOS photometry were analyzed with the aid of light curve synthesis method by Rucinski and their geometric elements (namely mass ratio q, degree of contact f, and orbital inclination i) were determined. The solutions were obtained for the first time for many of the systems in the sample and would be a good source for their future light curve analyses based on more precise follow-up observations.
Based on observations made with the ESA HIPPARCOS
astrometry satellite.
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