Hostname: page-component-78c5997874-8bhkd Total loading time: 0 Render date: 2024-11-17T21:31:01.432Z Has data issue: false hasContentIssue false
  • English
  • Français

FUSE observations of the SMC Wolf-Rayet binary Sand 1 (WO4+O4V): atmospheric eclipses and colliding winds

Published online by Cambridge University Press:  26 May 2016

Nicole St-Louis ,
Anthony F.J. Moffat  and
Sergey V. Marchenko
Nicole St-Louis
Affiliation:
Département de physique, Université de Montréal, C.P. 6128, Succ. Centre-Ville, Montréal, QC H3C 3J7, Canada, and Observatoire du mont Mégantic, Canada
Anthony F.J. Moffat
Affiliation:
Département de physique, Université de Montréal, C.P. 6128, Succ. Centre-Ville, Montréal, QC H3C 3J7, Canada, and Observatoire du mont Mégantic, Canada
Sergey V. Marchenko
Affiliation:
Department of Physics and Astronomy, Western Kentucky University, 1 Big Red Way, Bowling Green, KY 42101-3576, USA

Abstract

Core share and HTML view are not available for this content. However, as you have access to this content, a full PDF is available via the ‘Save PDF’ action button.

We present FUSE observations of the SMC WO4+O4V binary Sand 1. Our spectra show variations in S iv, C iii, C iv and O vi lines, which we attribute mainly to emission from the shock cone, resulting from the collision between the two winds, and to atmospheric eclipses of the O-star continuum light by the WR wind. From this variability, we deduce a cone opening angle of 120°.

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. 241 - 242
Copyright
Copyright © Astronomical Society of the Pacific 2003 

References

Bartzakos, P., Moffat, A.F.J., Niemela, V.S. 2001, MNRAS 324, 33.CrossRefGoogle Scholar
Lührs, S. 1997, PASP 109, 504.CrossRefGoogle Scholar
Moffat, A.F.J., Niemela, V.S., Marraco, H.G. 1990, ApJ 348, 471.CrossRefGoogle Scholar
Usov, V.V. 1992, ApJ 389, 635.CrossRefGoogle Scholar