Determination of Parameters of W-Ursae Systems - Part Two - Tw-Ceti S-Antiliae U-Pegasi Er-Orionis

Details Determination of Parameters of W-Ursae Systems - Part Two - Tw-Ceti S-Antiliae U-Pegasi Er-Orionis Determination of Parameters of W-Ursae Systems - Part Two - Tw-Ceti S-Antiliae U-Pegasi Er-Orionis

Feb 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982a%26as...47..211r&link_type=abstract

Astronomy and Astrophysics Supplement, Vol. 47, P. 211, 1982

Astronomy and Astrophysics

Astrophysics

28

Scientific paper

Photoelectric lightcurves of four W UMa systems have been solved using the Wilson-Devinney computer code, modified in order to run on a medium-size minicomputer. The solutions confirm the contact hypothesis for these four systems, three of which (TW Cet, U Peg, ER Ori) turned out to be of Binnendijk's W-type (deeper minimum produced by the eclipse of the less massive star) and another one (S Ant) of A-type. A comparison with previous solutions is made, and new absolute elements are derived for all four systems.

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