Open Access
Table 5
Two-component models.
| Region | Component 1 |
Component 2 |
 |
r21(a) | r31(a) | ||
|---|---|---|---|---|---|---|---|
| Tkin | log N(CO)/σv | Tkin | log N (CO)/σv | M⊙ (K km s−1 pc2)−1 | |||
| K | cm−2 (km s−1)−1 | K | cm−2 (km s−1)−1 | ||||
| N1 | 20 ± 7 | 18.5 ± 0.9 | 39±7 | 17.9 ± 0.3 |  |
1.23 ± 0.09 | 1.21 ± 0.09 |
| N2 | 17 ± 3 | 18.2 ± 0.7 | 32 ± 10 | 17.8 ± 0.5 |  |
1.13 ± 0.10 | 1.03 ± 0.13 |
| N3 | 14 ± 1 | 17.6 ± 0.6 | 23 ± 12 | 17.8 ± 0.8 |  |
1.04 ± 0.06 | 0.88 ± 0.10 |
| S1 | 19 ± 5 | 18.1 ± 0.9 | 31 ± 9 | 17.7 ± 0.7 |  |
1.13±0.12 | 1.03 ± 0.13 |
| S2 | 15 ± 2 | 17.7 ± 0.9 | 25 ± 8 | 17.9 ± 0.6 |  |
1.10 ± 0.08 | 0.95 ± 0.12 |
| Mean | 17±5 | 18.0 ± 0.8 | 30 ± 10 | 17.8 ± 0.4 | 0.62 ± 0.20 | 1.13 ± 0.07 | 1.02 ± 0.12 |
| Median | 17±4 | 18.1 ± 0.6 | 31 ± 8 | 17.8 ± 0.3 | 0.61 ± 0.17 | 1.13 ± 0.04 | 1.03 ± 0.12 |
Notes. Parameters of the best-fit two-component model for the selected regions (Sect. 5.2). αCO is weighted by the intensity of the CO(1−0)115.27 GHz intensity of each component. (a)Ratio between the rotational transitions CO(2−1)/CO(1−0) (r21) and CO(3−2)/CO(1−0) (r31) in K km s−1 units.
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