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Fig. 1


Age (panel a)), mass (panel b)), and extinction (panel c)) derived for a sample of 10 000 artificial star clusters with true mass log 10(M/M) = 4 using WFC3+ACS photometry with σ = 0.05 mag for the Gaussian photometric errors for each filter. The true metallicity of the artificial clusters is specified on the right and the metallicity of the grid used to classify the clusters is specified on the top.

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