Polarizing gas at small optical depths around ALGOLS

Details Polarizing gas at small optical depths around ALGOLS Polarizing gas at small optical depths around ALGOLS

Jun 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989ssrv...50...63k&link_type=abstract

(IAU, NSERC, Canadian Institute of Theoretical Astrophysics, et al., Colloquium on Algols, 107th, Sidney, Canada, Aug. 15-19, 19

Astronomy and Astrophysics

Astrophysics

5

Binary Stars, Circular Polarization, Interstellar Matter, Optical Thickness, Polarimetry, Astronomical Photography, Electron Scattering

Scientific paper

The origins of visible-band linear polarimetry of Algols and objects related to them are reviewed. It is pointed out that the polarization signals of these systems can vary sporadically by significant amounts. The difficulty of evaluating the interstellar component of the observed polarization is discussed, and these components are evaluated anew for each object studied in this paper. With one possible exception, the polarization signals intrinsic to these binaries derive from electron scattering. A well-defined model is applied to the constant and variable (but phase-locked) polarization signals. Limits to the mass associated with a scattering disk in each binary are derived.

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