Short-term instabilities in γ Velorum: a search for strange modes in variable stars

Details Short-term instabilities in γ Velorum: a search for strange modes in variable stars Short-term instabilities in γ Velorum: a search for strange modes in variable stars

May 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aspc..310..247b&link_type=abstract

Variable Stars in the Local Group, IAU Colloquium 193, Proceedings of the conference held 6-11 July, 2003 at Christchurch, New Z

Astronomy and Astrophysics

Astronomy

Scientific paper

Strange mode instabilities in Wolf-Rayet stars have been proposed as the cause of clumping in the stellar wind. This, in turn, is suggested as a cause of line profile variations found on short time scales. High-frequency, short duration, time-series spectroscopy was performed on the wolf rayet star γ Velorum and analysis confirmed the results of a previous study of γ Velorum's stellar wind which showed that the wind is indeed clumped, most likely from the predicted strange mode pulsations.

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