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Fig. 7

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Hertzsprung-Russell diagram for our sample. The non-rotating isochrones for different ages (≈[0–10] Myr) are overlaid as solid black lines, and the evolutionary tracks for stellar masses in the range ≈[10– 60] M with a rotational velocity of 50 km s−1 are shown as dashed black lines. The isochrones and evolutionary tracks were adopted from Brott et al. (2011).

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