Analysis of Linear Polarization in Two Wolf-Rayet Binary Systems

Details Analysis of Linear Polarization in Two Wolf-Rayet Binary Systems Analysis of Linear Polarization in Two Wolf-Rayet Binary Systems

Dec 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996rmxac...5..126n&link_type=abstract

Workshop on Colliding Winds in Binary Stars to Honor Jorge Sahade, vol. 5, p. 126

Computer Science

1

Linear Polarization, Wolf-Rayet Stars, Binary Systems (Materials), Investigation, Telescopes, Stellar Models, Polarimeters, Phase Locked Systems, Binary Stars, Binary Data, Argentina

Scientific paper

We have performed linear polarization observations of the WR+O binary systems HD 94305 and HDE 320102 with the VATPOL photopolarimeter attached to the 2.15-m telescope in CASLEO, San Juan, Argentina. Both binary systems show phase-locked variations in their polarization. Analysis of these variations in the framework of the binary model yields rather high orbital inclinations for both systems. This is in conflict with the expected mass-value for the O-type component in HD 320102. We postulate an extra contribution for the polarization due to the winds of the binary components.

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