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Table 1
Initial values of the parameters in our simulations.
| Parameter | Value | Description |
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| n | 5 × 106 cm-3 | Number density of ISM |
| v ISM | 20 km s-1 | |
| μ | 2.3 | Mean molecular weight |
| M ∗ | 0.4 M⊙ | |
| M disc | 0.004 M⊙ | |
| R disc,inner | 10 AU | |
| R disc,outer | 100 AU | |
| EoS | Isothermal | Equation of state |
| T | 25 K | Temperature of gas particles |
| c s | 0.3 km s-1 | Sound speed |
| R sink | 0.09 AU | Sink particle radius |
| N neighbours | 64 ± 2 | |
| ϵ grav | 10-2 AU | Gravitational softening length |
| α SPH | 0.1 | Artificial viscosity parameter |
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| N disc | 4000−128 000 | Number of disc particles |
Notes. The parameters are the same for every simulation, except for the number of disc particles which may vary from simulation to simulation.
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