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Table 2
Herbig disk grid.
| Standard disk model parameters | ||
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| Parameter | Symbol | Value |
| Grid points | Nxx/Nzz | 70 × 70 |
| Outer radius | Rout [au] | 300 |
| Surface density power law index | ϵ | 1.0 |
| Minimum dust size | amin [μm] | 0.05 |
| Tapering-off radius | Rtaper [au] | 200 |
| Chemical heating | − | 0.2 |
| Settling description | − | Dubrulle |
| Cosmic ray ionization rate | ζCRs [s-1] | 1.7 × 10-17 |
| distance | d [pc] | 140 |
| Turbulence viscosity coefficient | αvis [−] | 0 |
| Dust properties | − | astrosilicates1 |
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| Disk parameters varied in the series of models irradiated by a typical Herbig star2 | ||
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| Parameter | Symbol | values |
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| Flaring power law index | β | −0.8, −0.5, −0.1, 0.0, 0.8, 0.85, 0.9, 0.95, 1.0, 1.05, 1.1, 1.13, 1.15, 1.2, 1.25 |
| Dust-to-gas mass ratio | d / g | 0.001, 0.01, 0.1, 1, 10, 100 |
| Disk gas mass | Mgas [M⊙] | 10-5, 10-4, 0.001, 0.01, 0.05, 0.1 |
| Inner disk scale height (at R = Rin) | H0 [au] | 1.8(−3), 4.4(−3), 9.0(−3), 1.76(−3), 3 × 10-2, 0.1 |
| Inner radius | Rin [au] | 0.1, 0.365, 0.5, 1.0, 5.0, 10.0, 15.0, 20.0, 25.0, 30.0 |
| Mixing coefficient | α set | 10-5, 10-4, 0.001, 0.01, 0.05, 0.1 |
| Dust power law index | a pow | 2.0, 2.5, 3.0, 3.5, 4.0, 4.5 |
| Dust maximum size | amax [μm] | 250, 400, 500, 700, 1000, 2000, 5000, 104, 105 |
| Elemental abundance of O | ΔYO = YO,i − YO,standard | −0.5, −0.4, −0.3, −0.2, −0.1, 0.0, 0.1, 0.2, 0.3, 0.4, 0.5 |
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