Fig. 5.
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[Cu/Fe] distribution along the [Fe/H] for the whole sample. The analysed GCs are shown with coloured squares. Grey crosses show the field star abundances from Ishigaki et al. (2013). Red-filled crosses display the reported abundance of Cu in different GCs in the literature. Black circles represent results reported by Simmerer et al. (2003) for our in-common GCs (linked with a black dashed line).
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