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Table 2
Detections in AB Aur disk.
| Molecule | Transition | Frequency | E up | Area* | rms** |
| [GHz] | [K] | [mKkm s-1] | [mK] | ||
|
|
|||||
| 12CO | 2→1⋄ | 230.538 | 16.6 | 24 388 | 35 |
| 13CO | 2→1 | 220.399 | 15.9 | 3 375 | 5 |
| C17O | 2→1 | 224.714 | 16.2 | 364 | 8 |
| C18O | 2→1 | 219.560 | 15.8 | 735 | 9 |
| HCO+ | 1→0⋄ | 89.188 | 4.3 | 47 | 4 |
| 3→2 | 267.557 | 25.7 | 610 | 15 | |
| H2CO | 303→202 | 218.222 | 21 | 75 | 7 |
| 313→212 | 211.211 | 32.1 | 100 | 10 | |
| 312→211 | 225.697 | 33.5 | 114 | 14 | |
| SO | 54→43 | 206.176 | 38.6 | 29 | 5 |
| 56→45 | 219.949 | 35 | 35 | 6 | |
| 34→23⋄ | 138.178 | 15.9 | 26 | 4 | |
| HCN | 3→2 | 265.886 | 25.5 | 144 | 14 |
| CN | 1→0⋄ | 113.490 | 5.5 | 26 | 6 |
| CN | 2→1 | 226.874 | 16.3 | 63 | 8 |
| CS | 3→2⋄ | 146.969 | 14.1 | 75 | 7 |
Notes.
(⋄)
Transitions previously detected by Fuente et al. (2010).
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