UVES spectrum in the region of the lithium feature. The thin blue line corresponds to the lithium feature computed with the classical abundance A(Li)= 2.2, and the thick red line to the best fit (A(Li)= 1.2 in both cases). The dots at the bottom of the figures represent the difference between this best fit and the observed spectrum (shifted upward by 0.8). We adopted in both cases A(Li) < 1.5.
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