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Fig. 8
Distribution of the iron abundance of the eight UVES high-probability cluster members. The mean values are ⟨[Fe/H]⟩ = −0.04 ± 0.05 dex (dashed line) and ⟨[Fe/H]⟩ = −0.057 ± 0.018 dex (solid line) discarding the star #52 with [Fe/H] = 0.07 dex.
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