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Table 3
Parameters of the best-fit model to the observed CO v = 1, J = 3−2 line.
| Parameter | Best models | Grid | Constraints | ||
|---|---|---|---|---|---|
| 12CO | Incl. 13CO | range | |||
| d | (pc) | 102 | 102 | – | Assumed |
| T⋆ | (K) | 2100 | 2100 | – | Spatially resolved continuum |
 |
(au) | 2.15 | 2.15 | – | Spatially resolved continuum |
| Rout | (au) | 8.6 | 8.6 | – | Emission region |
| T° | (K) |  |
900 | 500–1700 | Fit + Tbright optically thick lines |
| ϵ |  |
0.24 | 0.0–0.9 | Fit | |
| υsto | (km s−1) | 4.0 ± 0.3 | 4.0 | 3.0–5.0 | Fit |
| υ° | (km s−1) | − 12 ± 2 | −12 | −18– −9 | Fit |
| υf | (km s−1) | 5 ± 1 | 5 | 3–10 | Fit |
| β | 0.4 ± 0.1 | 0.4 | 0.1–0.7 | Fit | |
| n° | (cm−3) |  |
2.5 × 1011 | 1 × 1011–7 × 1011 | Fit |
| η | 2.25 |
2.75 | 1.0–4.0 | Fit | |
| υLSR | (km s−1) | 47.7 | 47.7 | – | Fit |
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