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Abundances of C, N and O as probes of mixing in low-mass helium-core burning stars
Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Physics, Department of Astronomy and Space Physics. Department of Physics and Astronomy, Theoretical Astrophysics.
2007 (English)In: Convection in Astrophysics: Proceedings of IAU Symposium #239, 2007, 301-303 p.Conference paper (Other scientific)
Abstract [en]

A large population of helium-core-burning clump stars of the Galactic field, revealed by the Hipparcos orbiting observatory, is an excellent target for the analysis of mixing processes in evolved low-mass metal-abundant stars. In this contribution we overview first result of 12C, 13C, N and O abundance determinations in our extensive project which we started with the aim at deriving the fundamental parameters and abundances of more than 20 chemical elements in a large sample of Galactic clump stars.

Place, publisher, year, edition, pages
2007. 301-303 p.
National Category
Astronomy, Astrophysics and Cosmology
URN: urn:nbn:se:uu:diva-13573DOI: doi:10.1017/S1743921307000609OAI: oai:DiVA.org:uu-13573DiVA: diva2:41343
Available from: 2008-01-23 Created: 2008-01-23

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Edvardsson, Bengt
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Department of Astronomy and Space PhysicsTheoretical Astrophysics
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