Table 2: Comparison of formation times and core masses for several disc densities. Planetesimal radius is 100 km.
Disc density Without gas drag With gas drag
[MMSN] Formation time [My] Core mass [${M_{\oplus }}$] Formation time [My] Core mass [${M_{\oplus }}$]
$\; \; 6$ 17 28 12 $\; \; 60$
$\; \; 7$ 14 32 $\; \; 9$ $ \; \; 70$
$\; \; 8$ 11 36 $\; \; 7$ $\; \; 81$
$\; \; 9$ 10 40 $\; \; 6$ $\; \; 91$
10 $\; \; 8$ 43 $\; \; 5$ 100

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