Two-Colour Photoelectric Lightcurves and Elements of Ww-Draconis

Details Two-Colour Photoelectric Lightcurves and Elements of Ww-Draconis Two-Colour Photoelectric Lightcurves and Elements of Ww-Draconis

Jan 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980a%26as...39...73m&link_type=abstract

Astronomy and Astrophysics Supplement, Vol. 39, P. 73, 1980

Astronomy and Astrophysics

Astrophysics

7

Scientific paper

Two-colour photoelectric observations of the RS CVn-type eclipsing binary WW Dra were carried out in 1976. The lightcurves show intrinsic variations and some asymmetry in the maxima the secondary minimum appears to be somewhat displaced from phase 0.5. Photometric elements have been derived by means of Wood's model. Masses, radii and luminosities are given. WW Dra is confirmed to be a detached system composed of two subgiant stars. The cooler (larger) member is farther from the main sequence than its hotter companion.

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