Fig. 18
Equatorial rotational velocities VZAMS of Be (panel a) and Bn (panel b) stars deduced using models of stellar evolution by Ekström et al. (2008) with mass-loss rates Ṁ(EMMB) (red circles) and Ṁ(VdKL) (blue triangles). In the figure is shown the curve Vcrit in the ZAMS as a function of the stellar mass and the limiting curves VL and VU that surround the deduced VZAMS values.
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