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Chemical Evolution of Galaxies: Abundance Trends and Implications

Published online by Cambridge University Press:  19 July 2016

James W. Truran
James W. Truran*
Affiliation:
Department of Astronomy University of Illinois 1002 West Green Urbana, Illinois 61801

Abstract

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Recent spectroscopic studies of the elemental abundance patterns associated with extremely metal deficient field halo stars and globular cluster stars are briefly reviewed. These metal deficient stellar populations have been found to be characterized by abundance patterns which differ quite distinctly from those of solar system abundances, but are consistent with the view that they reflect primarily the nucleosynthesis products of the evolution of massive stars and associated Type II supernovae. Guided by our current knowledge of nucleosynthesis as a function of stellar mass occurring in stars and supernovae, we identify some interesting constraints upon theories of the formation and early history of our Galaxy.

Type
Setting the Stage
Information
Symposium - International Astronomical Union , Volume 145: Evolution of Stars: The Photospheric Abundance Connection , 1991 , pp. 13 - 19
Copyright
Copyright © Kluwer 1991 

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