Polarization in contact binaries

Details Polarization in contact binaries Polarization in contact binaries

Apr 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987comap..12....1k&link_type=abstract

Comments on Modern Physics, Part C - Comments on Astrophysics (ISSN 0146-2970), vol. 12, April 1987, p. 1-11.

Astronomy and Astrophysics

Astrophysics

2

Binary Stars, Polarimetry, Stellar Spectrophotometry, Signal Analysis, Stellar Coronas, Stellar Radiation

Scientific paper

Contact binaries represent the most abundant class of objects among close binaries, but they have been observed with modern polarimeters to only a meager extent. The history of these observations is reviewed and data referring to a previously unobserved star are summarized. It is shown that there exist some systematics among the small signals displayed by these systems. The most direct understanding of the results leads to recognition of a distribution of scatterers which is asymmetric with respect to the orbital plane. It is inferred that scattering of photospheric radiation from an asymmetric, systemic corona is the source of the signals.

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