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Charles Seibert (2006)
Translated By
A M Sobolev, S Yu Gorda, O A Davidova (2013)
IBVS, No. 6061
A new A-subtype W UMa eclipsing binary is found in the vicinity of the young bright massive variable V 645 Cyg. Over the four-year long observation interval (2009–2013), the star’s light curve shifted along the magnitude axis with an amplitude of 0ṃ08, and the depths of its minima varied by up to 0ṃ055. The parameters of the components of this new eclipsing system are estimated, and indications of long-term flux variation with a period of 940 days are found. It is suggested that such variations can be explained by the spot activity of the components. The parameters of the spot structure are determined for the case of maximum spot activity.
Astrophysical Bulletin – Springer Journals
Published: Feb 28, 2015
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