COMMUNICATIONS / MITTEILUNGEN

J. Tremko

Three Colour Photometry of W CVn, Light Curve and Period

No. 67
Budapest, 1974

Abstract

Three colour photoelectric observations of the variable W CVn obtained at Konkoly Observatory and at Skalnate Pleso Observatory were interpreted. The investigation shows secular change of the period and a stable light curve. The interstellar absorption in the direction of variable is discussed and the absolute magnitude from the period-luminosity relation was derived. Colour-colour diagram was constructed and distance of 980 pc for the variable was determined.

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