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Fig. 6

image

Age, mass, and extinction using free metallicity grid vs. the results derived using a model grid of fixed solar metallicity. Filled dots are the 65 clusters of group 1 and open dots are the 138 clusters of group 2, which are specified in Fig. 3. Clusters marked 1–5 in this figure and Figs. 5 and 8 are the same objects.

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