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Table 1
Parameters used in the reference model.
Ms | Mass of central star | 1.0 | M⊙ | ||
Zs | Metallicity of central star | 0.014 | – | ||
Mp | Mass of planet | 1.0 | MJ | ||
ap,int | Initial semi-major axis of planet | 20 | AU | ||
ap,fnl | Final semi-major axis of planet | 0.5 | AU | ||
ρp | Mean density of planet | 0.125 | g cm−3 | ||
τtid,0 | Scaling factor of migration timescale | 1.0 × 105 | yr | ||
Rm | Initial size of circumstellar disc | 50 | AU | ||
Tm | Temperature at r = Rm | 40 | K | ||
αv | Viscosity parameter of disc gas | 1.0 × 10−2 | – | ||
fdisc | Initial disc mass relative to central star | 0.1 | – | ||
t0 | Time of the onset of planetary migration | 3.0 × 106 | yr | ||
Rpl | Radius of planetesimal | 1.0 × 106 | cm | ||
ρpl | Mean density of planetesimal | 2.0 | g cm−3 | ||
Nsp | Initial number of super-particles | 10 000 | – |
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