Detailed analysis of a sample of Li-rich giants

Details Detailed analysis of a sample of Li-rich giants Detailed analysis of a sample of Li-rich giants

Dec 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000a%26a...364..674c&link_type=abstract

Astronomy and Astrophysics, v.364, p.674-682 (2000)

Astronomy and Astrophysics

Astrophysics

12

Stars: Late-Type, Stars: Evolution, Stars: Atmospheres, Stars: Abundances

Scientific paper

A detailed analysis has been carried out for a sample of 16 red giants showing a strong Li I 670.8 nm line. Ten of them were detected in a survey by Castilho et al. (1998), and the other 6 stars are Li-rich giants selected from the literature. Element abundances in the sample Li-rich giants are similar to those in normal red giants, differing only by their high Li abundance and infrared excess. This suggests that Li-rich giants may correspond to a phase of stellar evolution of normal red giants, when Li is produced and transported to the atmosphere.

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