Astronomy and Astrophysics – Astrophysics
Scientific paper
Nov 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986a%26a...169..251c&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 169, no. 1-2, Nov. 1986, p. 251-258.
Astronomy and Astrophysics
Astrophysics
15
B Stars, Metallic Stars, Polarimetry, Stellar Models, Stochastic Processes, Thomson Scattering, Electron Plasma, Linear Polarization, Stellar Envelopes
Scientific paper
The effects stochastic variations in the polarization of the light from Be stars has on the distribution of observational data are examined. It is assumed that unpolarized light is emitted by a point source and passes through localized assemblies of electron globules which act as point scatterers that produce polarization (along with the stellar atmosphere). Consideration is given to the possibilities that the electron globules, and the resulting polarimetric variations, are caused by rotational inhomogeneities, nonradial pulsations, and/or the presence of a close companion. Several statistical treatments are explored for identifying the perturbing mechanism, provided a sufficient observational database is available for the stellar object being evaluated.
Clarke David
McGale P. A.
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