Pulsations in Wolf-Rayet stars: observations with MOST

Details Pulsations in Wolf-Rayet stars: observations with MOST Pulsations in Wolf-Rayet stars: observations with MOST

Jul 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011iaus..272..445c&link_type=abstract

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

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Stars: Wolf-Rayet, Stars: Oscillations (Including Pulsations), Stars: Winds, Outflows

Scientific paper

Photometry of Wolf-Rayet (WR) stars obtained with the first Canadian space telescope MOST (Microvariability and Oscillations of STars) has revealed multimode oscillations mainly in continuum light that suggest stellar pulsations could be a significant contributing factor to the mass-loss rates. Since the first clear detection of a pulsation period of P = 9.8h in WR123, two other stars have also shown periods of a few days, which must be related to stellar pulsations.

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