Table 2
Characteristic intensities of the central core (or peak) and wings of CO lines in the sources in which they can easily be identified.
| Molecule | Line | Central core | Blue wing | Red wing | Wing/core | Line-core/2–1-core | Line-wing/2–1-wing |
| average Tmb(K) | av. Tmb(K) | av. Tmb(K) | |||||
|
|
|||||||
| LSR velocity ranges (km s-1): | [−24.5, −19.5] | [−49, −44] | [0, +5] | ||||
| CRL 618 | 12CO J = 2–1 | 13 | 0.62 | 0.92 | 0.07 | 1 | 1 |
| 12CO J = 6–5 | 1.08 | 0.35 | 0.29 | 0.3 | 0.08 | 0.42 | |
| 12CO J = 10–9 | 1.8 | 1.0 | 0.74 | 0.47 | 0.14 | 1.1 | |
| 12CO J = 16–15 | 2.25 | 1.5 | 0.89 | 0.53 | 0.17 | 1.55 | |
| 13CO J = 2–1 | 2.3 | 0.006 | 0.24 | 0.053 | 1 | 1 | |
| 13CO J = 6–5 | 0.29 | 0.04 | 0.057 | 0.17 | 0.11 | 0.4 | |
| 13CO J = 10–9 | 0.34 | 0.086 | 0.085 | 0.25 | 0.15 | 0.70 | |
| 13CO J = 16–15 | 0.14 | n.d. | n.d. | – | 0.06 | – | |
|
|
|||||||
| LSR velocity ranges (km s-1): | [−37.5, −32.5] | [−62, −57] | [−13, −8] | ||||
| CRL 2688 | 12CO J = 2–1 | 24.1 | 5.3 | 1.24 | 0.14 | 1 | 1 |
| 12CO J = 6–5 | 3.2 | 0.98 | 0.28 | 0.19 | 0.13 | 0.19 | |
| 12CO J = 10–9 | 5.55 | 2.0 | 0.55 | 0.23 | 0.23 | 0.39 | |
| 12CO J = 16–15 | 3.4 | 1.3 | 0.245 | 0.23 | 0.14 | 0.235 | |
| 13CO J = 2–1 | 6.5 | 0.6 | 0.22 | 0.063 | 1 | 1 | |
| 13CO J = 6–5 | 0.92 | 0.13 | 0.042 | 0.09 | 0.14 | 0.21 | |
| 13CO J = 10–9 | 0.84 | 0.085 | 0.028 | 0.067 | 0.12 | 0.14 | |
| 13CO J = 16–15 | 0.26 | ~0.02 | ~0.04 | ~0.11 | 0.04 | ~0.07 | |
|
|
|||||||
| LSR velocity ranges (km s-1): | [+30.5, +35.5] | [0, +5] | [+61, +66] | ||||
| OH 231.8+4.2 | 12CO J = 2–1 | 3.4 | 1.3 | 1.6 | 0.43 | 1 | 1 |
| 12CO J = 6–5 | 0.33 | 0.047 | 0.12 | 0.26 | 0.1 | 0.058 | |
| 12CO J = 10–9 | 0.24 | – | – | ≲ 0.2 | 0.07 | ≲ 0.04 | |
| 12CO J = 16–15 | ≲ 0.1 | – | – | – | ≲ 0.03 | – | |
| 13CO J = 2–1 | 1.25 | 0.25 | 0.35 | 0.24 | 1 | 1 | |
| 13CO J = 6–5 | 0.15 | – | 0.03 | 0.1 | 0.12 | 0.05 | |
| 13CO J = 10–9 | 0.085 | – | – | ≲ 0.3 | 0.07 | ≲ 0.1 | |
| 13CO J = 16–15 | ≲ 0.2 | – | – | – | ≲ 0.2 | – | |
|
|
|||||||
| LSR velocity ranges (km s-1): | [− 25, − 20] | [− 53, − 48] | – | ||||
| NGC 6302 | 12CO J = 2–1 | 4.3 | 3.7 | – | 0.85 | 1 | 1 |
| 12CO J = 6–5 | 0.705 | 0.14 | – | 0.2 | 0.14 | 0.038 | |
| 12CO J = 10–9 | 1.29 | 0.135 | – | 0.11 | 0.29 | 0.037 | |
| 12CO J = 16–15 | 1.0 | ≲ 0.1 | – | ≲ 0.1 | 0.23 | ≲ 0.02 | |
| 13CO J = 2–1 | 1.3 | 1.2 | – | 0.9 | 1 | 1 | |
| 13CO J = 6–5 | 0.255 | 0.033 | – | 0.13 | 0.2 | 0.027 | |
| 13CO J = 10–9 | 0.36 | 0.014 | – | 0.039 | 0.27 | 0.012 | |
|
|
|||||||
| LSR velocity ranges (km s-1): | [− 13.5, − 8.5] | [− 27, − 22] | [0, +5] | ||||
| Frosty Leo | 12CO J = 2–1 | 1.3 | 1.05 | 0.95 | 0.77 | 1 | 1 |
| 12CO J = 6–5 | 0.031 | 0.017 | 0.016 | 0.53 | 0.0235 | 0.0165 | |
| 13CO J = 2–1 | 0.64 | 0.58 | 0.53 | 0.87 | 1 | 1 | |
| 13CO J = 6–5 | 0.016 | 0.01 | 0.0075 | 0.55 | 0.025 | 0.016 | |
|
|
|||||||
| LSR velocity ranges (km s-1): | [− 37.5, − 32.5] | [− 54, − 49] | [− 21, − 16] | ||||
| IRAS 17436+5003 | 12CO J = 2–1 | 1.75 | 0.08 | 0.09 | 0.05 | 1 | 1 |
| (HD 161796) | 12CO J = 6–5 | 0.94 | 0.01 | 0.01 | 0.11 | 0.054 | 0.12 |
| 12CO J = 10–9 | 0.06 | 0.022 | 0.016 | 0.32 | 0.034 | 0.225 | |
| 13CO J = 2–1 | 0.72 | 0.08 | 0.09 | 0.12 | 1 | 1 | |
| 13CO J = 6–5 | 0.033 | 0.016 | 0.0105 | 0.4 | 0.046 | 0.155 | |
Notes. See discussion on the respective velocity ranges in the text. Ratios wing/core and with respect to the J = 2–1 lines (from 30-m telescope data) are also indicated; in these cases, the average of both wings is taken.
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