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Luminosity functions for asymptotic giant branch stars

Published online by Cambridge University Press:  04 August 2017

Jay A. Frogel  and
V.M. Blanco
Jay A. Frogel
Affiliation:
Cerro Tololo Inter-American Observatory
V.M. Blanco
Affiliation:
Cerro Tololo Inter-American Observatory

Extract

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To understand the evolution of carbon and oxygen rich asymptotic giant branch (AGB) stars it is important to observationally establish the relations between parameters such as luminosity, age, and metallicity. The existence of luminous (brighter than the top of the first giant branch) AGB stars in clusters in the Magellanic Clouds (Mould and Aaronson 1979; Frogel, et al. 1980) provides a nearly ideal situation in which these relations can be determined. Although metallicities and main sequence turn-off ages are known for only a fraction of the clusters, the ranking scheme devised by Searle, et al. (1980; SWB) indicates that age and metallicity are closely related to one another.

Type
I. EVOLUTION OF LOW AND INTERMEDIATE MASS STARS OBSERVATIONS AND MODELS
Information
Symposium - International Astronomical Union , Volume 105: Observational Tests of the Stellar Evolution Theory , 1984 , pp. 175 - 178
Copyright
Copyright © Reidel 1984 

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