Lithium factories in the Galaxy: novae and AGB stars
F. D'Antona, P. Ventura
TL;DR
This paper reviews lithium production in novae and AGB stars, presents preliminary results on super-AGB lithium yields, and discusses implications for galactic lithium and star formation in clusters.
Contribution
It introduces new insights into lithium yields from super-AGBs and explores their significance in galactic lithium enrichment and globular cluster star formation.
Findings
Super-AGBs of near-solar metallicity may be key lithium producers.
Preliminary models suggest significant lithium yields from super-AGBs.
Lithium abundances can shed light on second-generation star formation in clusters.
Abstract
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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