Table 3
PACS line observations of CO, H2O, HCN, and NH3.
| Transition | Peak λ | E up | F obs |
|
| [ μm ] | [K] | [W m-2] | ||
|
|
||||
| CO | ||||
| 14 → 13 | 185.991 | 580 | (3.7 ± 0.7) × 10-16 | 0.89 |
| 15 → 14 | 173.629 | 663 | (3.5 ± 0.7) × 10-16 | 0.98 |
| 16 → 15 | 162.810 | 752 | (4.2 ± 0.8) × 10-16 | 0.85 |
| 17 → 16 | 153.271 | 847 | (4.8 ± 1.0) × 10-16 | 0.80 |
| 18 → 17 | 144.785 | 946 | (4.9 ± 1.0) × 10-16 | 0.80 |
| 19 → 18 | 137.218 | 1051 | (4.5 ± 0.9) × 10-16 | 0.89 |
| 20 → 19 | 130.387 | 1161 | (5.2 ± 1.0) × 10-16* | 0.80 |
| 21 → 20 | 124.196 | 1277 | (5.0 ± 1.0) × 10-16 | 0.85 |
| 22 → 21 | 118.586 | 1398 | (5.1 ± 1.0) × 10-16 | 0.85 |
| 24 → 23 | 108.761 | 1657 | (4.2 ± 0.8) × 10-16 | 1.06 |
| 25 → 24 | 104.451 | 1796 | (4.1 ± 0.8) × 10-16 | 1.10 |
| 28 → 27 | 93.349 | 2242 | (3.0 ± 0.6) × 10-16* | ... |
| 29 → 28 | 90.156 | 2402 | (3.3 ± 0.7) × 10-16 | ... |
| 31 → 30 | 84.410 | 2737 | (2.9 ± 0.6) × 10-16 | ... |
| 32 → 31 | 81.813 | 2913 | (2.0 ± 0.4) × 10-16 | ... |
| 33 → 32 | 79.363 | 3095 | (1.7 ± 0.4) × 10-16 | ... |
| 34 → 33 | 77.062 | 3282 | (1.8 ± 0.4) × 10-16 | ... |
| 36 → 35 | 72.856 | 3672 | (1.1 ± 0.2) × 10-16 | ... |
| o-H2O | ||||
| 22,1 → 21,2 | 180.479 | 194 | (5.7 ± 0.1) × 10-16 | 1.24 |
| 21,2 → 10,1 | 179.500 | 114 | (2.0 ± 0.4) × 10-16 | 0.87 |
| 51,4 → 50,5 | 134.423 | 575 | (9.5 ± 0.2) × 10-17 | 0.78 |
| 42,3 → 41,4 | 132.423 | 432 | (1.1 ± 0.2) × 10-16 | 0.81 |
| 43,2 → 42,3 | 121.721 | 552 | (9.2 ± 2.0) × 10-17 | 0.76 |
| 22,1 → 11,0 | 108.096 | 194 | (4.1 ± 0.8) × 10-16 | 0.74 |
| 61,6 → 50,5 | 82.030 | 644 | (3.1 ± 0.7) × 10-16 | 1.12 |
| 42,3 → 31,2 | 78.747 | 552 | (4.7 ± 0.9) × 10-16 | 0.93 |
| 32,1 → 21,2 | 75.389 | 305 | (5.4 ± 1.1) × 10-16 | 0.98 |
| p-H2O | ||||
| 31,3 → 20,2 | 138.530 | 285 | (2.2 ± 0.4) × 10-16* | 0.98 |
| 40,4 → 31,3 | 125.376 | 320 | (1.8 ± 0.4) × 10-16 | 1.09 |
| 52,4 → 51,5 | 111.626 | 599 | (6.9 ± 0.2) × 10-16 | 1.11 |
| 32,2 → 21,1 | 89.983 | 297 | (2.9 ± 0.6) × 10-16 | 1.07 |
| 33,1 → 22,0 | 67.095 | 410 | (3.6 ± 0.7) × 10-16 | 1.23 |
| HCN | ||||
| 18 → 17 | 188.145 | 728 | (6.0 ± 1.5) × 10-17 | 0.84 |
| 19 → 18 | 178.264 | 808 | (6.7 ± 1.6) × 10-17 | 0.76 |
| 20 → 19 | 169.390 | 893 | (4.9 ± 1.2) × 10-17 | 1.06 |
| 21 → 20 | 161.368 | 983 | (9.7 ± 2.1) × 10-17 | 0.53 |
| 22 → 21 | 154.042 | 1076 | (7.1 ± 1.8) × 10-17 | 0.72 |
| 23 → 22 | 147.363 | 1174 | (8.4 ± 1.8) × 10-17 | 0.59 |
| 24 → 23 | 141.277 | 1276 | (6.7 ± 1.5) × 10-17 | 0.70 |
| 25 → 24 | 135.636 | 1382 | (7.2 ± 1.7) × 10-17 | 0.59 |
| 27 → 26 | 125.647 | 1607 | (5.9 ± 1.7) × 10-17 | 0.60 |
| 28 → 27 | 121.186 | 1726 | (5.3 ± 1.2) × 10-17 | 0.66 |
| p-NH3 | ||||
| 32 → 22 | 169.979 | 150 | (1.8 ± 0.4) × 10-16 | 0.73 |
| 42 → 32 | 127.168 | 264 | (2.4 ± 0.5) × 10-16 | 1.14 |
| 75 → 65 | 72.530 | 666 | (6.5 ± 2.1) × 10-16 | 0.58 |
| 94 → 84 | 56.340 | 1196 | (3.1 ± 0.7) × 10-16 | 1.12 |
Notes. Peak λ is the observed central wavelength of the detected line, Fobs is the observed line flux, and is the ratio of modelled to observed flux. An * in the Fobs column indicates that the line is known to be blended with a relatively faint H2O or HCN line. These remain in our analysis as they should not significantly alter results.
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