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Table 2
Model parameters and range for grid fitting with OH5 dust.
| Parameter | Value or range |
|
|
|
| Hot source (IRS1) 1.0 × 104 L ⊙ | |
| Density gradient, r− p | 0.0−0.9a |
| Grain size distribution slope | 3.5 |
| Grain size min/max (μm) | 0.1/1.0 |
| Dust temp at inner radius | 1400 K at 2.0 × 1014 cm |
| Router/Rinner | 750–3000a |
| A v | 20–90 maga |
| Cold source (SMM1) | |
| Luminosity | 0–300 L⊙a |
| Photosphere temperature | 2500 K |
| Dust temp at inner radius | 1200 K |
| Density gradient, r− p | 1.0 |
| Router/Rinner | 3000 |
| Grain size distribution slope | 3.5 |
| Grain size min/max (μm) | 0.1/1.0 |
| A v | 1000 mag |
| Southwestern profile | |
| Inner density gradient, r− p | 0.4 from Rin to 300 Rin |
| Outer density gradient, r− p | 1.5−–2.0 from 300 Rin to Routa |
| Router/Rinner | 750−3000a |
| Grain size distribution slope | 3.5 |
| Grain size min/max (μm) | 0.1/1.0 |
| Dust temp at inner radius | 1400 K |
| A v | 15−70 maga |
Notes. (a)Free parameter during modeling.
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