New Wolf-Rayet stars in Galactic open clusters - Sher 1 and the giant H II region core Westerlund 2
Journal Article
·
· Astronomical Journal; (United States)
- Montreal, Universite, Montreal (Canada) Space Telescope Science Institute, Baltimore, MD (United States)
Two new Galactic Wolf-Rayet stars were found in open clusters: a WN4 star in the O9 cluster Sher 1 and a WN7 star in the O7 cluster Westerlund 2. This confirms a previous trend, namely that fainter, hotter WN stars tend to be older than brighter, cooler WN stars. This may be a consequence of evolution via extreme mass loss. 18 refs.
- OSTI ID:
- 5184644
- Journal Information:
- Astronomical Journal; (United States), Journal Name: Astronomical Journal; (United States) Vol. 102; ISSN 0004-6256; ISSN ANJOA
- Country of Publication:
- United States
- Language:
- English
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