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Fig. 2.

image

Comparison of old and new dust-to-gas ratio equations. Depicted is the natural logarithm of the dust density for both cases. The simulation on the left uses the old variant (Eq. (1)), whereas the simulation on the right uses the new (Eq. (4)). The y-axis is the polar angle in rad offset by π/2, and the x-axis is the radial distance in AU.

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