Fig. 4.
Gaia DR2 color-magnitude diagrams of the sample of clusters used (sorted by age), retained RC targets are marked with a blue cross. The gray points correspond to the membership selections by Cantat-Gaudin et al. (2018); Gaia Collaboration (2018a). PARSEC isochrones (Marigo et al. 2017) of the corresponding metallicity computed in this paper are overplotted using distances provided by CG20, and ages and extinctions detailed in Sect. 4.
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