Analysis of multicolour light curves of southern eclipsing binaries GW Car, V685 Cen, V742 Cen and V764 Sco

Details Analysis of multicolour light curves of southern eclipsing binaries GW Car, V685 Cen, V742 Cen and V764 Sco Analysis of multicolour light curves of southern eclipsing binaries GW Car, V685 Cen, V742 Cen and V764 Sco

Jun 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003coska..33..107c&link_type=abstract

Contributions of the Astronomical Observatory Skalnaté Pleso, vol. 33, no. 2, p. 107-118.

Astronomy and Astrophysics

Astronomy

1

Eclipsing Binaries, Photometry, Orbital Elements

Scientific paper

First multicolour photoelectric light curves of the southern early-type eclipsing binaries GW Car, V685 Cen, V742 Cen and V764 Sco were obtained in the years 1969, 1974, 1977-8 at the Leiden Southern Station using Walraven VBLUW filters. New orbital periods 0.86446 days and 1.54263 days were found for V742 Cen and V764 Sco, respectively. The long-term orbital period decrease was detected in GW Car. Our light-curve analysis accomplished by Wilson-Devinney's code found an almost semi-detached configuration for GW Car and revealed that V685 Cen, V742 Cen and V764 Sco are detached systems.

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