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Lithium Abundances in Fast Rotating Bright Giant Stars

Published online by Cambridge University Press:  26 May 2016

J.D. do Nascimento Jr ,
A. Lèbre ,
R. Konstantinova-Antova  and
J. R. de Medeiros
J.D. do Nascimento Jr
Affiliation:
-Departamento de Física Teorica e Experimental, Universidade Federal do Rio Grande do Norte, 59072-970 Natal, R.N., Brazil
A. Lèbre
Affiliation:
-GRAAL, UMR 5024 ISTEEM/CNRS, CC 072, Université Montpellier II, F–34095 Montpellier Cedex, France
R. Konstantinova-Antova
Affiliation:
Institute of Astronomy, 72 Tsarigradsko shose, BG-1784 Sofia, Bulgaria
J. R. de Medeiros
Affiliation:
-Departamento de Física Teorica e Experimental, Universidade Federal do Rio Grande do Norte, 59072-970 Natal, R.N., Brazil

Abstract

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We present the results of high resolution spectroscopic observations of Li I resonance doublet at λ 6707.8 Å for fast rotating single stars of luminosity class II and Ib. We present a discussion on the link between rotation and Li content in intermediate mass giant stars, with emphasis on their evolutionary status. At least one of the observed stars, HD 232862, a G8II with an unusual vsini of 20 km/s, present a Li-rich behavior.

Type
Session 2 Rotation in Relation with Abundances and Magnetic Fields
Information
Symposium - International Astronomical Union , Volume 215: Stellar Rotation , 2004 , pp. 246 - 247
Copyright
Copyright © Astronomical Society of the Pacific 2004 

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