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HD 50896: an other WR binary star

Published online by Cambridge University Press:  14 August 2015

C. Firmani ,
G. Koenigsberger ,
G. F. Bisiacchi ,
E. Ruíz  and
A. Solar
C. Firmani
Affiliation:
Instituto de Astronomía, Universidad Nacional Autónoma de México
G. Koenigsberger
Affiliation:
Instituto de Astronomía, Universidad Nacional Autónoma de México
G. F. Bisiacchi
Affiliation:
Instituto de Astronomía, Universidad Nacional Autónoma de México
E. Ruíz
Affiliation:
Instituto de Astronomía, Universidad Nacional Autónoma de México
A. Solar
Affiliation:
Instituto de Astronomía, Universidad Nacional Autónoma de México

Extract

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The current ideas concerning the evolution of close binary systems (van den Heuvel, 1976), accepting the hypothesis that the system is not disrupted by the first supernova (SN) explosion, predict that the Wolf-Rayet phase can occur twice. The first time the companion of the WR star is a normal OB star and the second time it is a collapsed object. In this context, the importance of searching for binary systems with collapsed companions among the “single” WR stars is evident. Due to its large distance from the galactic plane, z = 280 pc (Smith, 1968a), when compared with the average height (z = 60 pc, Cruz-González et al., 1974) of extreme Population I stars, HD 50896 was considered to be a likely candidate to this type of system.

Type
Session 7: Evolution with Mass Loss: Double Stars
Information
Symposium - International Astronomical Union , Volume 83: Mass Loss and Evolution of O-Type Stars , 1979 , pp. 421 - 424
Copyright
Copyright © Reidel 1979 

References

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