Lithium abundances for 81 F dwarfs

Details Lithium abundances for 81 F dwarfs Lithium abundances for 81 F dwarfs

Dec 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991mnras.253..610l&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 253, Dec. 15, 1991, p. 610-618. Research supported by R

Astronomy and Astrophysics

Astronomy

65

Abundance, Dwarf Stars, F Stars, Lithium, Metallicity, Stellar Luminosity, Stellar Mass, Stellar Rotation, Stellar Spectra

Scientific paper

Lithium abundances are presented for 81 main-sequence stars with effective temperatures of about 5800-6700 K. A novel result of the survey is that, in old disk dwarfs too low in mass to belong to the Li-gap, Li is generally not depleted beyond the moderate level attributed to the convection zone of the premain- and main-sequence phase but, when depletion occurs, it is very effective. Li-poor old disk stars at luminosities too low to be identified with the Li-gap exist, but are rare.

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