Abundance of lithium in old dwarf stars

Details Abundance of lithium in old dwarf stars Abundance of lithium in old dwarf stars

Feb 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983prhe.work..361m&link_type=abstract

IN: ESO Workshop on Primordial Helium, Garching, West Germany, February 2, 3, 1983, Proceedings (A83-50030 24-90). Garching, Wes

Physics

2

Abundance, Cosmochemistry, Dwarf Stars, Late Stars, Lithium, Big Bang Cosmology, Galactic Evolution, Metallicity, Stellar Spectra, Stellar Temperature

Scientific paper

A discussion is presented of the abundance of lithium in dwarf stars, focusing on the various causes of lithium depletion. Results of a specific study of the ratio Li-l/Li-7 in two metal-poor dwarf stars are presented. It is demonstrated that only an upper limit of this ratio can be determined using the 1.4 m telescope, in spite of the high resolving power, low diffused light, and high S/N ratio of the CES spectrograph. Although this upper limit does not imply very tight constraints, it is not in favor of the hypothesis that lithium was entirely formed by spallation at the first ages of the galaxy.

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