[WC] Stellar Wind Turbulent Outflows Feeding the ISM

Astronomy and Astrophysics – Astronomy

Scientific paper

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Instabilities, Line: Profiles, Planetary Nebulae, Stars: Wolf-Rayet, Stars: Mass-Loss

Scientific paper

Wind fluctuations in [WC 8-9]-type central stars of planetary nebulae have been detected. Moving features seen on the top of the C III lambda 5696 and C IV lambda lambda 5801/12 emission lines of HD 826 (NGC 40) and BD +30^o3639 are interpreted as outflowing clumps which are radially accelerated in the Wolf-Rayet winds. Kinematic parameters of the blobs were derived and compared to those observed for massive Wolf-Rayet stars.

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