The morphology of a mass loss episode of the Be star Omega Orionis

Details The morphology of a mass loss episode of the Be star Omega Orionis The morphology of a mass loss episode of the Be star Omega Orionis

Apr 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984apj...279..721h&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 279, April 15, 1984, p. 721-728.

Astronomy and Astrophysics

Astrophysics

31

B Stars, Emission Spectra, Polarimetry, Stellar Mass Ejection, Stellar Spectrophotometry, Variable Stars, Continuous Spectra, H Alpha Line, Orion Constellation

Scientific paper

Intensive optical photometry and linear polarimetry have detailed the morphology of a recent mass-loss episode of the Be star Omega Orionis. The continuum photometry and polarimetry were found to change in close concert. The H-alpha line photometry and polarimetry were also correlated, albeit to a lesser extent. The physical processes controlling the polarimetric and photometric changes are discussed, with limits being placed on both the time scale and the increase in envelope mass over the onset of this episode. It is suggested that this event can be traced to a marginal stellar instability.

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