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The early-type eclipsing contact binary TY Puppis

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Abstract

In this paper we present theBV photoelectric light curves of the W UMa-type eclipsing binary TY Pup. We have gained ephemerides by means of the times of minima. The obtained light curves have been solved using Wilson-Devinney's synthetic code. The results indicate that TY Pup is a contact system with mass ratio 0.185 and a large degree of overcontact of 52%. Combined with spectroscopic material, absolute parameters of TY Pup are derived. It may be concluded that TY Pup is an evolved contact binary.

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Authors and Affiliations

  1. Yunnan Observatory, Academia Sinica, Kunming, China

    Shenghong Gu, Yulan Yang, Qingyao Liu & Zhousheng Zhang

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  1. Shenghong Gu
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  2. Yulan Yang
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  3. Qingyao Liu
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  4. Zhousheng Zhang
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Gu, S., Yang, Y., Liu, Q. et al. The early-type eclipsing contact binary TY Puppis. Astrophys Space Sci 203, 161–167 (1993). https://doi.org/10.1007/BF00659420

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  • DOI: https://doi.org/10.1007/BF00659420

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