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Table 2
Typical linewidth and brightness temperature of CO lines in different R21 classifications.
| Categories | CO(1–0) | CO (2–1) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| ΔV (km s 1) | Tmb (K) | ΔV (kms 1) | Tmb (K) | ||||||||
| Mean | Median | Mean | Median | Mean | Median | Mean | Median | ||||
| VLRG | 1.4 ± 0.3 | 1.3 ± 0.2 | 1.9 ± 0.4 | 1.7 ± 0.3 | 1.2 ± 0.4 | 1.2 ± 0.3 | 0.8 ± 0.2 | 0.7 ± 0.1 | |||
| LRG | 1.6 ± 0.3 | 1.6 ± 0.3 | 2.4 ± 0.8 | 2.3 ± 0.4 | 1.4 ± 0.2 | 1.3 ± 0.1 | 1.6 ± 0.2 | 1.6 ± 0.2 | |||
| HRG | 1.5 ± 0.3 | 1.5 ± 0.2 | 2.9 ± 0.4 | 2.7 ± 0.4 | 1.4 ± 0.2 | 1.4 ± 0.1 | 2.6 ± 0.3 | 2.4 ± 0.2 | |||
| VHRG | 1.7 ± 0.2 | 1.7 ± 0.2 | 4.4 ± 0.4 | 4.6 ± 0.4 | 1.9 ± 0.2 | 1.8 ± 0.1 | 6.0 ± 0.4 | 6.2 ± 0.3 | |||
| Diffuse | 1.3 ± 0.3 | 1.2 ± 0.2 | 2.2 ± 0.4 | 2.0 ± 0.3 | 1.3 ± 0.2 | 1.2 ± 0.2 | 1.5 ± 0.3 | 1.5 ± 0.2 | |||
| Moderate | 1.7 ± 0.3 | 1.6 ± 0.2 | 2.8 ± 0.4 | 2.6 ± 0.4 | 1.5 ± 0.2 | 1.5 ± 0.1 | 2.4 ± 0.3 | 2.3 ± 0.2 | |||
| Compact | 1.7 ± 0.2 | 1.7 ± 0.2 | 4.7 ± 0.4 | 4.8 ± 0.4 | 1.9 ± 0.1 | 1.9 ± 0.1 | 6.4 ± 0.4 | 6.3 ± 0.4 | |||
| Without SF | 1.4 ± 0.3 | 1.4 ± 0.2 | 2.4 ± 0.4 | 2.3 ± 0.4 | 1.3 ± 0.2 | 1.3 ± 0.1 | 2.4 ± 0.3 | 1.7 ± 0.2 | |||
| Possible SF | 1.5 ± 0.3 | 1.4 ± 0.2 | 3.3 ± 0.4 | 3.0 ± 0.4 | 1.7 ± 0.2 | 1.6 ± 0.1 | 2.7 ± 0.3 | 2.2 ± 0.3 | |||
| With SF | 1.9 ± 0.2 | 1.9 ± 0.2 | 4.2 ± 0.4 | 4.0 ± 0.4 | 1.8 ± 0.1 | 1.9 ± 0.1 | 5.2 ± 0.3 | 5.8 ± 0.3 | |||
Notes. The classifications are described in Tables C.1 and 1.
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