Open Access
Table 5
Best-fit model parameters for each core.
| Source | C/O | n | Tgas | t |
|---|---|---|---|---|
| HOPS-108 | 0.7 | 8 × 103 | 19.6 | 8.0 × 105 |
| Vela C IRS 31 14 | 0.5 | 2 × 103 | 15.1 | 5.0 × 106 |
| BHR71-IRS1 | 0.7 | 1 × 104 | 13.1 | 6.3 × 105 |
| G300.9+0.88 | 0.7 | 2 × 103 | 14.7 | 2.5 × 106 |
| G304.76+1.34 | 0.5 | 2 × 103 | 13.7 | 5.0 × 106 |
| G309.91+0.32 | 0.7 | 1 × 104 | 17.6 | 6.3 × 105 |
| Cha MMS1 (high n) | 0.7 | 3 × 105 | 10.0 | 6.3 × 104 |
| Cha MMS1 (low n) | 0.7 | 2 × 104 | 11.0 | 6.3 × 105 |
| Cha C2 (high n) | 0.5 | 2 × 105 | 8.5 | 8.0 × 104 |
| Cha C2 (low n) | 0.5 | 8 × 103 | 11.0 | 1.0 × 106 |
| TMC-1 | 1.4 | 3 × 104 | 10.0 | 6.3 × 105 |
Notes. Entries in the table are the source, C/O ratio, density (cm−3), gas temperature (K), and time (yr). The best-fit models are determined by the minimum value of the distance of disagreement (D) parameter (Eq. (1)).
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