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| Paper: |
MOST: A Powerful Tool to Reveal the True Nature of the Mysterious Dust-Forming Wolf-Rayet Binary CV Ser |
| Volume: |
465, Four Decades of Massive Star Research - A Scientific Meeting in Honor of Anthony J. Moffat |
| Page: |
348 |
| Authors: |
David-Uraz, A.; Moffat, A. F. J.; Chené, A.-N.; MOST Collaboration |
| Abstract: |
The WR + O binary CV Ser has been a source of mystery since it was shown that its atmospheric eclipses change with time over
decades, in addition to its sporadic dust production. However, the first high-precision time-dependent photometric
observations obtained with the MOST space telescope in 2009 show two consecutive eclipses over the 29 day orbit, with varying
depths. A subsequent MOST run in 2010 showed a somewhat asymmetric eclipse profile. Parallel optical spectroscopy was
obtained from the Observatoire du Mont-Mégantic (2009 and 2010) and from the Dominion Astrophysical Observatory (2009). |
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