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Colliding winds in the WR+OB binary θ Muscae (WR 48, WC5+O6-7V)

Published online by Cambridge University Press:  26 May 2016

Grant M. Hill ,
Anthony F.J. Moffat  and
Nicole St-Louis
Grant M. Hill
Affiliation:
W.M. Keck Observatory, California Association for Research in Astronomy, Mamalahoa Highway, Kamuela, HI 96743, USA
Anthony F.J. Moffat
Affiliation:
Département de physique, Université de Montréal, C.P. 6128, Succ. Centre-Ville, QC H3C 3J7, Canada
Nicole St-Louis
Affiliation:
Département de physique, Université de Montréal, C.P. 6128, Succ. Centre-Ville, QC H3C 3J7, Canada

Abstract

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Spectra, providing full phase coverage, of the 19 d WC6+OB binary θ Mus (WR 48, HD 113904), have been obtained and show dramatic variations of the C iii λ5696 emission line profile. We have modeled these line profile variations assuming the winds from the WR star and its close OB companion are colliding and forming a shock region from which extra emission originates.

Type
Part 1. Atmospheres of Massive Stars
Information
Symposium - International Astronomical Union , Volume 212: A Massive Star Odyssey: From Main Sequence to Supernova , 2003 , pp. 204 - 205
Copyright
Copyright © Astronomical Society of the Pacific 2003 

References

Hill, G.M., Moffat, A.F.J., St-Louis, N. 2002, MNRAS 335, 1069.Google Scholar