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Fig. 2


Core mass at the cross-over time as function of the minimum radius of the planetesimal size distribution for the isolated formation of each planet. Results correspond to a disk with a surface density profile Σ ∝ a-2. Open triangles (diamonds) correspond to a mass of the core at the time in which Neptune (Uranus) achieve their current mass (~17 and  ~14.5 Earth masses, respectively).

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