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The Chemical Composition of Red Giants, AGB Stars and Planetary Nebulae

Published online by Cambridge University Press:  15 December 2006

Bengt Gustafsson  and
Rurik Wahlin
Bengt Gustafsson
Affiliation:
Department of Astronomy and Space Physics, Uppsala University Box 515, SE-751 20 Uppsala, Sweden email: bg@astro.uu.se
Rurik Wahlin
Affiliation:
Department of Astronomy and Space Physics, Uppsala University Box 515, SE-751 20 Uppsala, Sweden email: bg@astro.uu.se
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Abstract

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The determinations of element abundances in red-giant stars and in particular in AGB stars are reviewed and the resulting abundances are compared with those obtained for planetary nebulae in the Galaxy and in nearby galaxies. The problems, possibilities and implications of such comparisons when estimating yields from low-mass and intermediate-mass stars are illustrated and commented on.

Keywords

stars: red giants, abundances, nucleosynthesisplanetary nebulae: abundancesgalaxies: evolution
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2 , Symposium S234: Planetary Nebulae in our Galaxy and Beyond , April 2006 , pp. 251 - 258
Copyright
© 2006 International Astronomical Union