Lithium factories in the Galaxy: novae and AGB stars

Details Lithium factories in the Galaxy: novae and AGB stars Lithium factories in the Galaxy: novae and AGB stars

2010-02-10

arxiv.org/abs/1002.2037v1

Astronomy and Astrophysics

Astrophysics

Galaxy Astrophysics

invited review presented at IAU Symposium 267 "Light Elements in the Universe", Geneva, Switzerland, Nov. 9-13 2009, in press

Scientific paper

We review the state of the art in modelling lithium production, through the Cameron-Fowler mechanism, in two stellar sites: during nova explosions and in the envelopes of massive asymptotic giant branch (AGB) stars. We also show preliminary results concerning the computation of lithium yields from super-AGBs, and suggest that super-AGBs of metallicity close to solar may be the most important galactic lithium producers. Finally, we discuss how lithium abundances may help to understand the modalities of formation of the "second generation" stars in globular clusters.

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