Fig. 15

Time evolution of a disc aspect ratio of our disc model with α = 10-3 (left) and 5 × 10-3 (right). The black line with 0.03 indicates the critical disc aspect ratio where the pebble isolation mass becomes equal to the critical mass for a rocky planet (see text). The yellow and magenta lines are the snow line and the viscous-irradiative boundary.
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