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Apsidal motion in the eclipsing binary system OX cas

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Abstract

Multi-colourWBVR photoelectric observations of the eclipsing binary OX Cas were carried out. The photometric elements, absolute parameters and the angular rate of the apsidal motion (\(\dot \omega \)= 9.1 deg yr−1 were obtained. The apsidal parameterk 2 derived for this system is by 15–25% smaller than the theoretical parameterk 2.

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Authors and Affiliations

  1. Sternberg State Astronomical Institute, Moscow, USSR

    Kh. F. Khaliullin, V. S. Kozyreva & S. E. Leontiev

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  1. Kh. F. Khaliullin
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  2. V. S. Kozyreva
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  3. S. E. Leontiev
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Khaliullin, K.F., Kozyreva, V.S. & Leontiev, S.E. Apsidal motion in the eclipsing binary system OX cas. Astrophys Space Sci 138, 361–368 (1987). https://doi.org/10.1007/BF00637857

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  • DOI: https://doi.org/10.1007/BF00637857

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