Fig. 7
Comparison of the S abundances with the abundances of other light and α elements in GCs: [S/Fe] vs. [Na/Fe] (left panel); [Fe/H] vs. [S/Ca] (middle panel); [Fe/H] vs. [S/Mg] (right panel). Different symbols indicate stars from different clusters as indicated in the legend of Fig. 6. The maximum systematic errors are also indicated.
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