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Fig. 2.

image

Evolution of the fractional mass of the convective cores during the MS as a function of the mass fraction of hydrogen at the center. The bottom black line is for the 1.7 M model, and the top magenta line for the 120 M model. The other intermediate lines show models with initial masses increasing from bottom to top. Solid (dotted) lines correspond to rotating (nonrotating) models.

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