Origin of the mass that was accreted by the planet. Top panel: contribution of the radial bins to the mass accreted by the planet, traced with passive scalars introduced at t = 100 and evaluated at t = 150 orbits. The dashed line shows the profile of the PEWIND model, weighted to account for the discrepancy in the initial amount of mass traced in each bin. Middle panel: cumulative radial profile. Bottom panel: contribution fraction of each radial bin to the additionally accreted mass in the PEWIND model. The grey vertical lines indicate the location of the planet.