Fig. 6.

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Arches cluster versus simulated cluster: CMD comparison. The blue dots represent the members of the Arches cluster, while the gray dots represent a simulated cluster with an age of 2.5 Myr. The mean extinction is given by AKs = 1.85. The shaded area in the plot represents the uncertainty in the position of the model members in the CMD due to differential extinction, σAks.
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