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Radial Velocities of Six Early Type Evolved Stars

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Abstract

Many early-type main sequence stars are known spectroscopic binaries, while early type spectroscopic binaries with evolved components are rather rare and well-determined masses are available only in some cases. For this reason a program to study stars with suspected variable velocity among early-type evolved stars has been initiated some time ago. In the present paper 54 coudé spectra for a sub-group formed of six early-type stars, namely HD 7902, HD 28446, HD 42087, HD 187983, HD 195592 and HD 208501 have been measured and the results of these plates have been presented.

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Authors and Affiliations

  1. Astronomical Institute, Charles University V, Holešovickach 2, 180 00, Praha 8, Czech Republic

    Pavel Mayer & Marek Wolf

  2. National Research Institute of Astronomy and Geophysics, Helwan, Cairo, Egypt

    Magdy A. Hanna

  3. Astron, Institute of the Slovak Academy of Sciences, 059 60 Tatranská, Lomnicá, Slovak Republic

    Drahos Chochol

Authors
  1. Pavel Mayer
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  2. Magdy A. Hanna
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  3. Marek Wolf
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  4. Drahos Chochol
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Mayer, P., Hanna, M.A., Wolf, M. et al. Radial Velocities of Six Early Type Evolved Stars. Astrophysics and Space Science 262, 163–169 (1998). https://doi.org/10.1023/A:1001840718226

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  • DOI: https://doi.org/10.1023/A:1001840718226

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