The variable linear polarization of the O-star binary HD 47129 /Plaskett's star/

Details The variable linear polarization of the O-star binary HD 47129 /Plaskett's star/ The variable linear polarization of the O-star binary HD 47129 /Plaskett's star/

Apr 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978pasp...90..163r&link_type=abstract

Astronomical Society of the Pacific, Publications, vol. 90, Apr.-May 1978, p. 163-166.

Astronomy and Astrophysics

Astronomy

8

Astronomical Models, Binary Stars, O Stars, Polarization (Waves), Cassiopeia A, Eclipsing Binary Stars, Electromagnetic Scattering, Free Electrons, Rayleigh Scattering, Solar Wind

Scientific paper

The linear polarization of the binary HD 47129 has been observed in the B filter on 60 nights. The polarization has a variable component which is synchronous with the 14.4-day binary period. This intrinsic component reaches a maximum at quadratures and may be explained by scattering from a corotating region of extrastellar material lying between the stars. A best value of 71 deg is found for the orbital inclination.

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