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Fig. 9.

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Hertzsprung-Russell diagram of all the members of NGC 2244. The color-coding is the same as in Fig. 1. The isochrones (black dashed lines, shown for 0.5, 2, 5, 10 and 100 Myr) and the lines of constant mass (green dashed lines) shown are from Baraffe et al. (2015).
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