Tracing WR wind structures by using the orbiting companion in the 29d WC8d + O8-9IV binary CV Ser

Details Tracing WR wind structures by using the orbiting companion in the 29d WC8d + O8-9IV binary CV Ser Tracing WR wind structures by using the orbiting companion in the 29d WC8d + O8-9IV binary CV Ser

Jan 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011bsrsl..80..125d&link_type=abstract

Société Royale des Sciences de Liège, Bulletin, vol. 80, p. 125-128 (Proceedings of the 39th Liège Astrophysical Colloquium, hel

Astronomy and Astrophysics

Astrophysics

Scientific paper

We have obtained continuous, high-precision, broadband visible photometry from the MOST satellite of CV Ser over more than a full orbit in order to link the small-scale light-curve variations to extinction due to wind structures in the WR component, thus permitting us to trace these structures. The light-curve presented unexpected characteristics, in particular eclipses with a varying depth. Parallel optical spectroscopy from the Mont Megantic Observatory and Dominion Astrophysical Observatory was obtained to refine the orbital and wind-collision parameters, as well as to reveal line emission from clumps.

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