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Table 2
Fixed DALI parameters of the physical model.
| Parameter | Range |
|---|---|
| Chemistry | |
| Chemical age | 0.1–10 (a), (b) Myr |
| [C]/[H] | 1.35 × 10−4 |
| [O]/[H] | 2.88 × 10−4 |
| Physical structure | |
| γ | 1.0 |
| ψ | 0.15 |
| hc | 0.1 |
| Rc | 10−3 × 103, (b) AU |
| Mgas | 10−5−10−1, (b) M⊙ |
| Gas-to-dust ratio | 100 |
| Dust properties | |
| flarge | 0.9 |
| χ | 0.2 |
| Composition | Standard ISM (1) |
| Stellar spectrum | |
| Teff | 4000 K + Accretion UV |
| L* | 0.28 L⊙ |
| ζcr | 10−17 s−1 |
| Observational geometry | |
| i | 0° |
| PA | 0° |
| d | 150 pc |
Notes. (a) The age of the disk is taken into account when running the time-dependent chemistry. (b) These parameters evolve with time (see Fig. 1 and Sect. 4.3)
References. (1)Weingartner & Draine (2001), see also Sect. 2.5 in Facchini et al. (2017).
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