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Astrophysics and Space Science

, Volume 142, Issue 1–2, pp 245–254 | Cite as

Statistical study of visual binaries

  • S. Vereshchagin
  • Z. Kraicheva
  • E. Popova
  • A. Tutukov
  • L. Yungelson
Article

Summary

A statistical study of physical pairs from IDS catalogue has been performed. For 2811 binaries with luminosity class V primaries it has been found that their mass function is a Salpeter one; their distribution over semi-major axes of orbits is dN ∝ d loga. The rate of duplicity of stars is close to 1.

Keywords

Selection Effect Close Binary Initial Mass Function Double Star Stellar Magnitude 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Kluwer Academic Publishers 1988

Authors and Affiliations

  • S. Vereshchagin
    • 1
  • Z. Kraicheva
    • 2
  • E. Popova
    • 2
  • A. Tutukov
    • 1
  • L. Yungelson
    • 1
  1. 1.Academy of SciencesAstronomical Council of the USSRMoscowUSSR
  2. 2.Section of AstronomyBulgarian Academy of SciencesSofiaBulgaria

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