Fig. 16.
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Abundance of Sr plotted vs. the relative distance from the cluster center. The stars are marked in different colors according to their population: blue shows first population stars ([Na/Fe] = [[Na/Fe]min, [Na/Fe]min + 0.3]), and red shows second population stars (those with higher Na abundances). The minimum sodium value, [Na/Fe]min = 0.05, is taken from Kolomiecas et al. (2022).
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