Observational Selection in Spectroscopic Binary Eccentricities

  • M. S. Staniucha
Part of the Astrophysics and Space Science Library book series (ASSL, volume 98)


The discovery-and-identification probability for different shaped orbits of spectroscopic binary stars is estimated. The eccentricity distribution observed in the sample of ∼1000 binaries with known orbits and appearing as strongly peaked toward e=0 is corrected for observational selection effects. The resulting e-distribution seems to be flat for e in the range ∼0.05–0.6 with some excess of circular (or almost circular) orbits and a deficiency of orbits with e ≳ 0.6.


Radial Velocity Circular Orbit Orbital Element Spectral Type Spectroscopic Binary 
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

© D. Reidel Publishing Company 1982

Authors and Affiliations

  • M. S. Staniucha
    • 1
  1. 1.Warsaw University Observatory and N. Copernicus Astronomical CenterWarsawPoland

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