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Fig. 5.
Estimated age and metallicity, assuming an SSP, for the shell and GC 1, GC 2, GC 4, and GC 5. The data points of GC 4 and GC 5 were slightly shifted for visualization purposes. The data point for NGC 474 (mass-weighted age within 1 Re) comes from McDermid et al. (2015).
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