Pre-main-sequence depletion of Li-6 and Li-7

Details Pre-main-sequence depletion of Li-6 and Li-7 Pre-main-sequence depletion of Li-6 and Li-7

Nov 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989apj...346..976p&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 346, Nov. 15, 1989, p. 976-982. Research supported by the Ministere de l'Ed

Other

63

Abundance, Lithium Isotopes, Pre-Main Sequence Stars, Stellar Composition, Stellar Evolution, F Stars, G Stars, Metallicity, Stellar Models, Stellar Temperature

Scientific paper

Depletion of Li-6 and Li-7 during premain-sequence contraction has been calculated for several evolutionary sequences. Slightly greater Li-7 depletion was found than by other recent workers. On the premain sequence, Li-6 is depleted by a factor of at least 10 in the present models for stars with T(eff) lower than 6800 K on the main sequence. Because of the shorter destruction time scale for Li-6 as compared to Li-7, the determination of the abundances of these two isotopes would place strict constraints on the structure of premain-sequence stars.

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