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An EC 14026 pulsator in a reflection binary

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Abstract

During our campaign of acquiring follow-up photometric data to resolve short period pulsating sdB (EC14026 or V361 Hya) stars, we obtained data on the known pulsator KUV 04421+1416 and discovered that it is also in a reflection-effect binary. Here we present preliminary results of the pulsation analysis and provide some constraints on the companion, which is most likely an MV star. This makes KUV 04421+1416 only the second known system with an EC14026-type pulsator in a reflection-effect binary.

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Authors and Affiliations

  1. Missouri State University, Springfield, MO, USA

    M. D. Reed & J. Gilker

  2. Ohio State University, Columbus, OH, USA

    D. M. Terndrup

  3. Catholic University Leuven, Leuven, Belgium

    R. Østensen, P. G. Beck, P. Degroote, J. Vanautgaerden & C. Waelkens

  4. Dr. Remeis–Sternwarte, Institute for Astronomy, University Erlangen–Nürnberg, Erlangen–Nürnberg, Germany

    S. Geier

Authors
  1. M. D. Reed
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  2. D. M. Terndrup
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  3. R. Østensen
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  4. S. Geier
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  5. J. Gilker
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  6. P. G. Beck
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  7. P. Degroote
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  8. J. Vanautgaerden
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  9. C. Waelkens
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Correspondence to M. D. Reed.

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Reed, M.D., Terndrup, D.M., Østensen, R. et al. An EC 14026 pulsator in a reflection binary. Astrophys Space Sci 329, 83–86 (2010). https://doi.org/10.1007/s10509-010-0323-0

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  • DOI: https://doi.org/10.1007/s10509-010-0323-0

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