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The 12C/13C Ratio in Barium Stars

Published online by Cambridge University Press:  19 July 2016

A. Jorissen
A. Jorissen*
Affiliation:
Institut d'Astronomie, d'Astrophysique et de Géophysique, Université Libre de Bruxelles C.P.165, 50, av. F. Roosevelt, B-1050 Bruxelles, Belgium

Abstract

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It is suggested that the position of BaII stars with respect to normal red giants in the (log L, 12C/13C) and ([C/Fe],12C/13C) diagrams supports the hypothesis that 13C(α,n)16O was the neutron source responsible for the synthesis of the heavy elements now present in the BaII star envelopes.

Type
VII. Abundance Constraints on Stellar Evolution, Nucleosynthesis, and Cosmological Theories
Information
Symposium - International Astronomical Union , Volume 132: The Impact of Veryhigh S/N Spectroscopy on Stellar Physics , 1988 , pp. 593 - 596
Copyright
Copyright © Kluwer 1988 

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