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Short-period noncontact binaries

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Abstract

Five short-period noncontact binaries (GR Tau, UU Lyn, BV Eri, RU Eri, and BW Eri) are studied. It is found from photometric and spectroscopic observations that (1) both components are noncontact to each other but are very close to the respective Roche lobes; (2) period change does not appear or it is very small; and (3) component stars of UU Lyn and RU Eri are normal main sequence stars while those of GR Tau and BV Eri are smaller and less massive components indicating in an advanced evolutionary state having experienced mass reversal.

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References

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Authors and Affiliations

  1. Department of Earth Science and Astronomy, University of Tokyo, Japan

    Atsuma Yamasaki

  2. Tsuda College, Kodaira, Tokyo, Japan

    Akira Okazaki

  3. Tokyo Astronomical Observatory, Mitaka, Tokyo, Japan

    Masatoshi Kitamura

Authors
  1. Atsuma Yamasaki
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  2. Akira Okazaki
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  3. Masatoshi Kitamura
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Yamasaki, A., Okazaki, A. & Kitamura, M. Short-period noncontact binaries. Astrophys Space Sci 118, 279–282 (1986). https://doi.org/10.1007/BF00651135

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  • DOI: https://doi.org/10.1007/BF00651135

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