Fig. 8

Lithium feature in the HARPS spectrum of HIP 68468 (open circles) and synthetic spectrum with an LTE lithium abundance of 1.47 dex (solid line), corresponding to an NLTE abundance of A(Li) = 1.51 dex. A variation of ±0.04 dex in the Li abundance is shown by dashed lines. The variations seen in the line profile are mostly consistent with the noise in this region (S/N ~ 500), but could also be due to distinct convective line shifts between different species.
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