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On the origin of the helium-rich population in the peculiar globular cluster Omega Centauri.
- Source :
- Proceedings of the International Astronomical Union; 11/02/2009, Vol. 5 Issue S268, p187-188, 2p
- Publication Year :
- 2009
-
Abstract
- In this contribution we discuss the origin of the extreme helium-rich stars which inhabit the blue main sequence (bMS) of the Galactic globular cluster Omega Centauri. In a scenario where the cluster is the surviving remnant of a dwarf galaxy ingested by the Milky Way many Gyr ago, the peculiar chemical composition of the bMS stars can be naturally explained by considering the effects of strong differential galactic winds, which develop owing to multiple supernova explosions in a shallow potential well. [ABSTRACT FROM PUBLISHER]
Details
- Language :
- English
- ISSN :
- 17439213
- Volume :
- 5
- Issue :
- S268
- Database :
- Complementary Index
- Journal :
- Proceedings of the International Astronomical Union
- Publication Type :
- Academic Journal
- Accession number :
- 57126136
- Full Text :
- https://doi.org/10.1017/S1743921310004114