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Cosmological origin of the lowest metallicity halo stars

✍ Scribed by Xavier Hernandez; Andrea Ferrara


Publisher
John Wiley and Sons
Year
2001
Tongue
English
Weight
281 KB
Volume
324
Category
Article
ISSN
0035-8711

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The Li abundance of the halo star BD+23 3912 ([Fe/H]= -1.5) lies a factor of 2 -3 above the Spite Plateau. This remarkable difference could reflect either less-thanaverage stellar Li depletion from a higher primordial Li abundance (as predicted by the Yale rotational stellar evolutionary models) hav