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Red Giants in Globular Clusters and Large-Scale Variations in The Galaxy

Published online by Cambridge University Press:  30 March 2016

B. E. J. Pagel
B. E. J. Pagel*
Affiliation:
Royal Greenwich Observatory, Herstmonceux, Sussex, U.K.

Extract

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This review concerns recent work on the determination of overall metallicities [Fe/H] in a number of globular clusters and the systematics of mixing effects displayed (usually) by weak CH and strong CN. Special attention is given to the globular cluster ω Centauri, where both metal abundance variations and mixing effects occur and are closely intertwined. Recent observations carried out at the Anglo-Australian Telescope by E.A. Mallia and D.C. Watts have revealed large variations in the strength of metallic lines across the red giant branch of this cluster.

Type
Joint Commission Meetings
Information
Highlights of Astronomy , Volume 5: Highlights of Astronomy. As presented at the XVIIth General Assembly of the IAU, 1979 , 1980 , pp. 817 - 826
Copyright
Copyright © Cambridge University Press 1980

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