Polarimetric observation of southern early-type close binary systems

Details Polarimetric observation of southern early-type close binary systems Polarimetric observation of southern early-type close binary systems

Sep 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988a%26as...74..427l&link_type=abstract

Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 74, no. 3, Sept. 1988, p. 427-430.

Astronomy and Astrophysics

Astrophysics

9

Binary Stars, Fourier Series, Southern Sky, Stellar Mass, Thomson Scattering, Early Stars, Harmonic Oscillation, Light Scattering, Mass Transfer, Stellar Envelopes

Scientific paper

Polarimetric observations of the early-type close binary systems HD 152248, HD 152667 and HD 149404 are presented. The observations show phase-synchronized variations of second order harmonics, such as those predicted by models of Thomson scattering. The models allow to obtain the inclination of the orbital plane, the orientation of the normal to the orbit and the circulation of the system. The observations were adjusted to Fourier series, and these orbital parameters were derived for the systems. For HD 152248 a double-line spectroscopic system with a mass of 30 M_sun; for both components is obtained.

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