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Anomalous Mass Ratios in O-Star Binaries

Published online by Cambridge University Press:  14 August 2015

Catharine D. Garmany  and
Peter S. Conti
Catharine D. Garmany
Affiliation:
Joint Institute for Laboratory Astrophysics, University of Colorado National Bureau of Standards, Boulder, Colorado 80309
Peter S. Conti
Affiliation:
Joint Institute for Laboratory Astrophysics, University of Colorado National Bureau of Standards, Boulder, Colorado 80309

Abstract

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A study of the binary frequency among the O-stars finds that only 40% are binaries. They show a strong tendency to have mass ratios near unity and none with values less than 0.3. We discuss the evidence that mass loss is responsible for the observed mass ratios.

Type
IV. Massive Binary Systems
Information
Symposium - International Astronomical Union , Volume 88: Close Binary Stars: Observations and Interpretation , 1980 , pp. 163 - 167
Copyright
Copyright © Reidel 1980 

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