CAOSP abstracts, Volume: 48, No.: 4, year: 2018

Author(s): Burlak, M.A.; Volkov, I.M.; Ikonnikova, N.P.
Journal: Contributions of the Astronomical Observatory Skalnaté Pleso, vol. 48, no. 4, p. 536-553.
Date: 10/2018
Title: Absolute parameters and period variation in a semidetached eclipsing variable V2247 Cyg
Keyword(s): stars: binaries: eclipsing, stars: binaries: close, stars: interstellar reddening, stars: fundamental parameters
Pages: 536 -- 553

Abstract: We aim to determine the absolute parameters of the components of a poorly studied Algol-type eclipsing binary V2247 Cyg. The data analysis is based on our numerous precise UBVRcIc photometric observations and low resolution spectra. The photometric solution reveals a semi-detached configuration with a less-massive component filling its Roche lobe. The mass ratio, inclination, effective temperatures, and fractional radii were determined. Masses and radii of the components were obtained by a non-direct method. The Eclipse Time Variation (ETV) diagram revealed the period changes.

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