Li Production in the Big Bang

Astronomy and Astrophysics – Astrophysics

Scientific paper

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Abundance, Big Bang Cosmology, Lithium, Stellar Composition, Subdwarf Stars, Iron, Stellar Temperature

Scientific paper

Li abundance is determined for 23 halo subdwarfs. About half of the stars show Fe/H less than -1.4 and a space velocity V greater than 160 km/s. Li appears to be present in all the halo stars considered, with an abundance within about + or - 0.2 dex of the value log n(Li) = 2.0 found by Spite and Spite (1982). Thus the present results provide confirmation of the main conclusion of Spite and Spite.

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