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Table 7
Decomposed spectral line emission distributions.
| Line | I CO a | L cor b | ||||||||
| (min. CND fit) | (max. CND fit) | (min. CND fit) | (max. CND fit) | “Best” fit | ||||||
| ETD | CND | ETD | CND | ETD | CND | ETD | CND | ETD | CND | |
| ( K km s-1) | ( K km s-1) | (104 L⊙) | (104 L⊙) | (104 L⊙) | ||||||
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| The 12CO ladder | ||||||||||
|
|
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| J = 1–0 | 59 | 103 | 18 | 162 | 0.05 | 0.08 | 0.01 | 0.12 | 0.025 ± 0.015 | 0.10 ± 0.025 |
| J = 2–1 | 48 | 45 | 28 | 67 | 0.33 | 0.18 | 0.20 | 0.46 | 0.26 ± 0.07 | 0.38 ± 0.15 |
| J = 3–2 | 35 | 28 | 16 | 49 | 0.81 | 0.76 | 0.37 | 1.14 | 0.55 ± 0.20 | 0.93 ± 0.20 |
| J = 4–3 | 22 | 15 | 8.4 | 29 | 1.03 | 0.92 | 0.40 | 1.41 | 0.64 ± 0.30 | 1.14 ± 0.25 |
| J = 5–4 | 13 | 12 | 5.5 | 32 | 0.90 | 0.87 | 0.39 | 2.23 | 0.59 ± 0.25 | 1.39 ± 0.50 |
| J = 6–5 | 4 | 14 | 4.7 | 14 | 0.81 | 1.42 | 0.51 | 1.72 | 0.51 ± 0.15 | 1.72 ± 0.20 |
| J = 7–6 | – | – | – | – | – | – | – | – | 0.25 ± 0.05 | 1.6 ± 0.2 |
| J = 8–7 | – | – | – | – | – | – | – | – | 0.10 ± 0.05 | 1.5 ± 0.2 |
| J = 9–8 | – | – | – | – | – | – | – | – | – | 1.4 ± 0.15 |
| J = 10–9 | – | – | – | – | – | – | – | – | – | 0.8 ± 0.15 |
| J = 11–10 | – | – | – | – | – | – | – | – | – | 0.8 ± 0.25 |
| J = 12–11 | – | – | – | – | – | – | – | – | – | 0.6 ± 0.2 |
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| The 13CO ladderc | ||||||||||
|
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| J = 1–0 | 0.006 | 0.018 | 0.002 | 0.028 | 0.003 ± 0.0015 | 0.010 ± 0.003 | ||||
| J = 2–1 | 0.026 | 0.028 | 0.015 | 0.039 | 0.020 ± 0.005 | 0.033 ± 0.006 | ||||
| J = 3–2 | 0.058 | 0.051 | 0.027 | 0.076 | 0.039 ± 0.015 | 0.062 ± 0.013 | ||||
| J = 4–3 | – | – | – | – | – | – | ||||
| J = 5–4 | 0.050 | 0.048 | 0.022 | 0.124 | 0.030 ± 0.018 | 0.077 ± 0.035 | ||||
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| The carbon C° and C+ linesd | ||||||||||
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| [CI](1–0) | 4.2 ± 0.8 | |||||||||
| [CI](2–1) | 11.1 ± 2.4 | |||||||||
| [CII] | 397 ± 60 | |||||||||
| [NII] | 31 ± 5 | |||||||||
Notes.
(a)
Emission line intensity normalised to the response of a 22′′ beam, corrected for absorption line losses.
(c)
Using the appropriate 12CO/ 13CO ratios from Table 3.
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