Fig. 3.

Chart of the stars in the field of Field 16−02. The size of the symbols is proportional to the g brightness of the star. Open black circles represent all the measured stars located in the cluster circle. Filled magenta circles represent the stars that remained unsubtracted after the CMD cleaning procedure. The reference star field used to decontaminate the star cluster CMD is indicated at the top-left margin (see also Fig. 1).
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