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Fig. 8

image

Examples of the evolution of the RSG pulsations in which the mass-loss enhancement by the pulsations is taken into account. A fraction ε of the gained kinetic energy is assumed to be used to induce mass loss. All the models are started from the 250 M model at log Teff/ K = 3.680 and log L/L = 6.872. The model with ε = 0 is calculated without mass-loss enhancement. Evolution of a) surface radii; b) total kinetic energy in the star; c) mass-loss rates; and d) total stellar masses is shown.

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