The lithium abundance of Hyades main-sequence stars

Details The lithium abundance of Hyades main-sequence stars The lithium abundance of Hyades main-sequence stars

Aug 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984apj...283..205c&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 283, Aug. 1, 1984, p. 205-208. Research supported by the Canada-France-Hawa

Other

126

Dwarf Stars, Main Sequence Stars, Metallicity, Star Clusters, Stellar Composition, Abundance, G Stars, K Stars, Lithium, Spectral Line Width, Stellar Evolution, Stellar Models, Stellar Spectra, Stellar Temperature

Scientific paper

From high-quality Reticon spectra of Hyades G and K dwarfs, their lithium abundance is found to decline much more rapidly with decreasing temperature than heretofore realized. Previous observations of the 6707 Li I doublet for the cooler dwarfs have probably been contaminated by blends. However, the new lithium-temperature relation still does not agree with simple models of lithium burning in the convective zone, either with or without overshooting. Models have therefore to include other mechanisms for lithium depletion.

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