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Fig. 2
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Illustration of the logistic function (Eq. (5)) used for varying the dust-to-gas mass ratio Md/Mg in the disk. The limiting values are fixed to the same values as in the models used for fitting: (Md/Mg)base = 10−8 and (Md/Mg)lim = 10−2. The value of the free parameter β is varied here to illustrate its effect.
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