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Post-outburst polarimetry of the binary HD 5980 (O4-6/LBV+WN3): rapid density enhancements along the polar axis and equatorial plane

Published online by Cambridge University Press:  26 May 2016

Alfredo Villar-Sbaffi ,
Anthony F.J. Moffat  and
Nicole St-Louis
Alfredo Villar-Sbaffi
Affiliation:
Département de physique, Université de Montréal, C.P. 6128, Succ. Centre-Ville, Montréal, QC H3C 3J7, Canada
Anthony F.J. Moffat
Affiliation:
Département de physique, Université de Montréal, C.P. 6128, Succ. Centre-Ville, Montréal, QC H3C 3J7, Canada
Nicole St-Louis
Affiliation:
Département de physique, Université de Montréal, C.P. 6128, Succ. Centre-Ville, Montréal, QC H3C 3J7, Canada

Abstract

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In 2001, we carried out a series of polarimetric observations of the SMC Wolf-Rayet binary HD 5980 near secondary eclipse, in order to study the mass-outflow of the system. Our observations revealed the presence of intense density enhancements along the poles and equatorial plane, that fluctuate on a very short timescale.

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. 257 - 258
Copyright
Copyright © Astronomical Society of the Pacific 2003 

References

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