Open Access
Table 1
Parameters used for the pebble accretion model.
| Symbol | Description | Value |
|---|---|---|
| a0 | Starting position | 1.985 au |
| M0 | Starting mass | 0.001 M⊕ |
| t0 | Starting time | 3.5 × 106 yr |
| Ṁg,0 | Initial gas accretion rate | 10−7 M⊙ yr−1 |
| Ṁg,1 | Final gas accretion rate | 10−9 M⊙ yr−1 |
| tlife | Life time of the disk | 5 Myr |
| ξ | Pebble-to-gas flux ratio | 0.003 |
| St | Stokes number | 0.01 |
| ζ | Logarithmic derivative of T | 3/7 |
| β | Logarithmic derivative of Σg | 15/14 |
| R1 | Initial disk size | 90 au |
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