Open Access
Table 1
Model parameters.
| Description | Parameter | Range | Units |
|---|---|---|---|
| Physical | |||
| Effective temperature | Teff | 1500, 5000 | K |
| Central Stellar luminosity | Lcen | 0.01, 0.1, 1, 10, 20, 30, 40, 50, 75, 100, 200 | L⊙ |
| Envelope density | ρenv,0 | 105, 106, 107, 108 | cm−3 |
| Outflow cavity opening angle | Θoutflow | 20, 50, 100 | Deg |
| Disk radius | Rdisk | 0 (a), 50, 150 | AU |
| Disk mass | Mdisk | 0 (a), 5 × 10−3, 5 × 10−2, 1.5 × 10−1 | |
| Disk scale height | H0/Rdisk | 0 (a), 0.05, 0.1, 0.3 | Dimensionless ratio |
| Chemical | |||
| N2 binding energy |  |
955 (b) | K |
| CO binding energy | Eb,CO | 1150, 1307 (b) | K |
| H2O binding energy |  |
4820, 5700 (b) | K |
Notes. (a)For the models without a disk. (b) References: 
, Anderl et al. (2016); Eb,CO, Collings et al. (2003, 2004), Bisschop et al. (2006), and Noble et al. (2012); and 
, Sandford & Allamandola (1993) and Fraser et al. (2001).
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