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Abundance Anomalies in Globular Cluster Stars

Published online by Cambridge University Press:  25 March 2006

T. Montmerle ,
C. Kahane ,
J.C. Lattanzio  and
C.A. Tout
J.C. Lattanzio
Affiliation:
Centre for Stellar and Planetary Astrophysics, Monash University, 3800, Australia
C.A. Tout
Affiliation:
Centre for Stellar and Planetary Astrophysics, Monash University, 3800, Australia Institute of Astronomy, The Observatories, Madingley Road, Cambridge CB3 0HA, UK
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Abstract

We present a summary of the extensive problems posed by the curious abundance correlations seen in stars in Galactic globular clusters.We discuss three scenarios, and conclude that only one seems to beconsistent with the observations. Even this is still rather unsatisfyingfrom many viewpoints. We determine the kind of nucleosynthesis requiredand discuss AGB stars as the possible source. Some calculations seem torule out AGB stars and others seem to favour them. The reasons for the differences are discussed. No satisfying conclusion is reached!

Type
Research Article
Information
European Astronomical Society Publications Series , Volume 19: Stars and Nuclei: A Tribute to Manuel Forestini , 2006 , pp. 189 - 197
Copyright
© EAS, EDP Sciences, 2006

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