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The Spite Lithium Plateau: Ultrathin but Postprimordial

Ryan, Sean G; Norris, John; Beers, Timothy C


We have studied 23 very metal-poor field turnoff stars, specifically chosen to enable a precise measurement of the dispersion in the lithium abundance of the Spite Li plateau. We concentrated on stars having a narrow range of effective temperature and very low metallicities ([Fe/H] ≲ -2.5) to reduce the effects of systematic errors and have made particular efforts to minimize random errors. A typical statistical error for our abundances is 0.033 dex (1 σ), which represents a factor of 2...[Show more]

CollectionsANU Research Publications
Date published: 1999
Type: Journal article
Source: Astrophysical Journal, The


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