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Physical parameters of the eclipsing binary V798 Cep

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Abstract

The first high-accuracy CCD UBV RI(RI)C light curves for the recently discovered eclipsing binary V798 Cep (P = 16d.08, V = 11m. 8) are presented; this star is included in our program of eclipsing systems with considerable eccentricities. A photometric solution for the light curves and physical characteristics of the component stars are derived. The orbital eccentricity is quite high, e = 0.437. The longitude of periastron is close to 180°, making studies of the apsidal motion difficult. V798 Cep may be a hierarchical system.

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Authors and Affiliations

  1. Sternberg Astronomical Institute, Lomonosov Moscow State University, Universitetskii pr. 13, Moscow, 119991, Russia

    I. M. Volkov & A. S. Kravtsova

  2. Astronomical Institute, Slovak Academy of Sciences, P.O. Box 18, Tatranská Lomnica, 059 60, Slovak Republic

    D. Chochol

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  1. I. M. Volkov
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  2. D. Chochol
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  3. A. S. Kravtsova
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Correspondence to I. M. Volkov.

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Original Russian Text © I.M. Volkov, D. Chochol, A.S. Kravtsova, 2017, published in Astronomicheskii Zhurnal, 2017, Vol. 94, No. 5, pp. 436–446.

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Volkov, I.M., Chochol, D. & Kravtsova, A.S. Physical parameters of the eclipsing binary V798 Cep. Astron. Rep. 61, 440–449 (2017). https://doi.org/10.1134/S1063772917050109

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  • DOI: https://doi.org/10.1134/S1063772917050109

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