Fig. 8
Cluster parameters derived in this study vs. those of Caldwell et al. (2009) for young (open and filled blue diamond symbols) clusters and vs. those of Caldwell et al. (2011) for old (open and filled black dots) clusters, shown for the age (panel a)), the mass (panel b)), and the extinction (panel c)). Filled symbols mark the group 1 clusters and open symbols mark the group 2 clusters, as defined in Fig. 4.
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