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Fig. 3

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Characteristic pebble size limits at the Bondi radius, plotted with the parameters of Table 1. The colors indicate the pebble size where vfall,peb = vlim = 2.4 m s−1, the common limit set via erosion with micron-sized grains and fragmentation. The white dashed line separates the Stokes and Epstein regimes while the dotted line indicates the regions where either growth rate or erosion/fragmentation limits the local pebble size. The plus sign marks the default planet mass (5 M) and distance (5 AU).

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