Fig. 2

Velocity in the meridional direction, uθ, in units of local Kepler velocity for an isothermal run without viscosity. The panels refer to snapshots taken at time 100, 210 and 750 (top to bottom), measured in orbital periods at 1 AU. In units of local orbits at (2.5, 3.5, 4.5) AU this refers to (25, 15, 10) (53, 32, 22) (190, 115, 79) orbits, from top to bottom.
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