Fig. 4
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Left panel: difference of mean abundance ratios of the α-elements [Mg/Fe], [Si/Fe], [Ca/Fe], [Ti/Fe], [Zn/Fe], and [EuII/Fe] between NGC 288 and GCs analyzed in C24. GCs are color coded according to their progenitors as in Fig. 3. Right panel: comparison of mean abundance ratios of EuII relative to other chemical elements (i.e. Si, YII, BaII, and LaII). Standard errors associated with the mean abundances are also reported.
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