Astronomy and Astrophysics – Astrophysics
Scientific paper
Mar 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986apj...302..403h&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 302, March 1, 1986, p. 403-409.
Astronomy and Astrophysics
Astrophysics
8
Linear Polarization, Optical Polarization, Polarimetry, Stellar Envelopes, Supergiant Stars, Stokes Law Of Radiation
Scientific paper
Intensive monitoring of the late B supergiant Rigel's optical continuum linear polarization over the 1984 - 1985 observing season reveals episodes of substantially enhanced aperiodic activity. Different activity episodes are centered in different sectors of the circumstellar envelope. These activity episodes are a manifestation of temporally and spatially variant mass loss. Localized disturbances originating at or below the stellar surface are suggested as the root cause of the polarization variations.
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