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Chemical fingerprints in globular clusters: Searching for the missing stellar link(s)

Published online by Cambridge University Press:  23 December 2005

Corinne Charbonnel
Corinne Charbonnel
Affiliation:
Geneva Observatory, CH-1290 Sauverny, Switzerland email: [email protected] LATT, CNRS UMR 5572, 14, av.E.Belin, 31400 Toulouse, France
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Abstract

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Globular cluster stars exhibit abundance anomalies which are not shared by their field counterparts. Two global scenarii have been proposed in the past to explain these differences: The primordial enrichment scenario and the evolutionary (or intrinsic) one. Recent observations well below the bump luminosity in globular clusters have raised the weight of the primordial solution. However the stellar sources responsible for these abundance variations have not yet been indubitably identified. In this review we discuss the possible stellar culprits as well as their pros and cons.

Keywords

Nucleosynthesisstars: interiorsstars: abundances
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 1 , Symposium S228: From Lithium to Uranium: Elemental Tracers of Early Cosmic Evolution , May 2005 , pp. 347 - 356
Copyright
© 2005 International Astronomical Union