Using the orbiting companion to trace WR wind structures in the 29d WC8d + O8-9IV binary CV Ser

Details Using the orbiting companion to trace WR wind structures in the 29d WC8d + O8-9IV binary CV Ser Using the orbiting companion to trace WR wind structures in the 29d WC8d + O8-9IV binary CV Ser

Jul 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011iaus..272..499d&link_type=abstract

Active OB stars: structure, evolution, mass loss, and critical limits, Proceedings of the International Astronomical Union, IAU

Astronomy and Astrophysics

Astronomy

Stars: Wolf-Rayet, Stars: Winds, Outflows

Scientific paper

We have used continuous, high-precision, broadband visible photometry from the MOST satellite to trace wind structures in the WR component of CV Ser over more than a full orbit. Most of the small-scale light-curve variations are likely due to extinction by clumps along the line of sight to the O companion as it orbits and shines through varying columns of the WR wind. Parallel optical spectroscopy from the Mont Megantic Observatory is used to refine the orbital and wind-collision parameters, as well as to reveal line emission from clumps.

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