Evolution of the wind-enhancement factor (top), eccentricity (mid) and period (bottom) as a function of the mass ratio for the different initial configurations specified in the graph. All systems have an initial period of 550 d and an eccentricity e = 0.3. The arrow indicates the current orbital period of IP Eri. Note the saturation of the mass-loss rate in the 2.0+1.9 M⊙ system (top panel).
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