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Table 4
Critical densitiesa ( cm-3) for the CH3OH lines detected in this work with p - H2 and o - H2 as colliding partners computed for two kinetic temperatures.
| Tkin = 20 K | Tkin = 60 K | ||||
| Type | J K | p - H2 | o - H2 | p - H2 | o - H2 |
|
|
|||||
| E | 5-1 | 2.47 × 105 | 1.91 × 105 | 2.52 × 105 | 2.08 × 105 |
| 2-1 | 2.81 × 104 | 2.33 × 104 | 2.66 × 104 | 2.33 × 104 | |
| 20 | 3.28 × 105 | 1.52 × 105 | 3.59 × 105 | 1.55 × 105 | |
| 00 | – | 1.58 × 105 | – | 2.16 × 105 | |
| 30 | 4.13 × 105 | 2.88 × 105 | 4.40 × 105 | 2.83 × 105 | |
| 3-1 | 7.05 × 104 | 6.88 × 104 | 6.88 × 104 | 6.83 × 104 | |
| 10 | 3.73 × 105 | 1.11 × 105 | 3.75 × 105 | 1.14 × 105 | |
| 11 | 2.70 × 106 | 2.62 × 105 | 3.83 × 106 | 2.83 × 105 | |
| 42 | 3.58 × 105 | 1.87 × 105 | 3.50 × 105 | 1.94 × 105 | |
| 21 | 6.75 × 105 | 2.88 × 105 | 7.19 × 105 | 2.83 × 105 | |
|
|
|||||
| A | 5-1 | 2.28 × 105 | 2.06 × 105 | 2.45 × 105 | 2.20 × 105 |
| 2-1 | 6.70 × 104 | 6.56 × 104 | 7.04 × 104 | 7.35 × 104 | |
| 20 | 2.86 × 104 | 2.29 × 104 | 2.96 × 104 | 2.58 × 104 | |
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