The cosmological and stellar lithium abundance problem.

Details The cosmological and stellar lithium abundance problem. The cosmological and stellar lithium abundance problem.

Jun 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992pabei..10...91x&link_type=abstract

Prog. Astron., Vol. 10, No. 2, p. 91 - 102

Astronomy and Astrophysics

Astrophysics

Scientific paper

This paper reviews the lithium abundance problem in astrophysics. The observations show that the lithium abundance of the solar-type stars decreases sharply with decreasing mass and increasing age. The Li depletion for the solar-type stars is set chiefly in the MS, not before. It seems that the rate of Li depletion decreases with increasing age of the stars. In contrast with Pop I stars the Li abundances of Pop II F- and early G-type dwarfs show a very small dispersion and they are about an order of magnitude smaller than the value of the young Pop I stars. The standard Big Bang nucleosynthesis predicts a low primordial Li abundance, which is consistent approximately with the observations of the warmer Pop II dwarfs.

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