Fig. 4

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MD − Ṁ* correlation with ω = 0.8 and t = 2 Myr. The colored dots are Monte Carlo simulations of 105 proto-planetary disks evolving following Eqs. (4), (5) where M0 and tacc,0 follow a lognormal distribution centered, respectively, on 0.1 M⊙ with a spread of 1.5 dex and on 2 Myr with a spread of 0.15 dex. The gray line represents the best fit of a single power law, for which γ = 1.
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