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Table 2
DALI fiducial disk model.
| Fixed parameter | Value | Description | ||
|---|---|---|---|---|
| M⋆ [M⊙] | 0.9† | Stellar mass | ||
| Teff [K] | 4250† | Stellar temperature | ||
| L⋆ [L⊙] | 1.5† | Stellar luminosity | ||
| d [pc] | 126 | Stellar distance | ||
| Rin [au] | 0.1 | Disk inner radius | ||
| Rc [au] | 80 | Disk critical radius | ||
| RG1 [au] | 62 | Gap 1 center | ||
| hwG1 [au] | 8 | Gap 1 half width | ||
| RG2 [au] | 103 | Gap 2 center | ||
| hwG [au] | 16 | Gap 2 half width | ||
| RR2, out [au] | 140 | Ring 2 outer radius | ||
| Rout [au] | 200 | Disk outer radius | ||
| i [∘] | 35 | Disk inclination | ||
| PA [∘] | 86 | Disk position angle | ||
| χ, flarge | 0.2, 0.85 | Settling parameters | ||
| ψ | 0.1† | Flaring exponent | ||
| hc | 0.133† | Scale height at Rc | ||
| Variable parameter | Min | Max | Step | Fiducial | Description |
|---|---|---|---|---|---|
| Mdust [M⊙] | 1 × 10−4 | 5 × 10−4 | 0.5 × 10−4 | 3.5 × 10−4 | Disk dust mass |
| γ1 | −1.0 | 1.0 | 0.1 | 0.3 | Σ(r) power-law exponent |
| γ2 | 1.0 | 3.0 | 0.1 | 2.0 | Σ(r) exponential-tail exponent |
| δ̃G1 | (0, 0.001, 0.01, 0.05, 0.10, 0.15, 0.20) | 0.1 | Σdust, large scale factor in gap 1 | ||
| δ̃R1 | 0.5 | 1.0 | 0.05 | 0.75 | Σdust, large scale factor in ring 1 |
| δ̃G2 | (0, 0.001, 0.01, 0.02, 0.03, 0.05, 0.1) | 0.01 | Σdust, large scale factor in gap 2 | ||
| δ̃R2 | 2 | 5 | 0.5 | 4.5 | Σdust, large scale factor in ring 2 |
| δ̃out | 1 | 3 | 0.5 | 1.5 | Σdust, large scale factor in outer disk |
Notes. For each variable parameter we explored a range of values between a minimum (Min) and maximum (Max) in regular steps (step). In the case of δ̃G1 and δ̃G2 we explored non-linearly spaced values, so we list them in parenthesis.
References. (†) Andrews et al. (2009).
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