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Polarimetry of four Wolf-Rayet starsTime-dependent broadband linear polarimetric observations of four WR stars are presented. On a time basis of days, WR 3 and SR 131 displayed no polarization variability above measurement errors. The position angle of WR 3 was consistent with the polarization being mainly of interstellar origin. The polarization of WR 103 showed variations, in one night on a time scale of hours. The polarization of WR 151 showed a modulation with orbital phase that was used to derive an estimate of the WN5 and O8 star's masses, of 6 and 14 solar masses, respectively. Four phenomenological types of polarization variability are introduced, and the stars are described in terms of them.
Document ID
19890042529
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Schulte-Ladbeck, Regina E.
(Wisconsin Univ. Madison, WI, United States)
Van Der Hucht, Karel A.
(Washburn Observatory Madison, WI, United States)
Date Acquired
August 14, 2013
Publication Date
February 15, 1989
Publication Information
Publication: Astrophysical Journal, Part 1
Volume: 337
ISSN: 0004-637X
Subject Category
Astrophysics
Accession Number
89A29900
Funding Number(s)
CONTRACT_GRANT: JPL-957996
Distribution Limits
Public
Copyright
Other

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