Open Access
Table 1.
Transitions identified as HOCHCHCHO towards IRAS 16293 B.
| Transition | Frequency | Uncertainty | Eup | Aij | gup |
|---|---|---|---|---|---|
 –  |
(MHz) | (MHz) | (K) | (s−1) | |
| 17 17 0 1 – 16 16 1 1 | 329184.2911 | 0.0223 | 171.1 | 1.30 × 10−3 | 35 |
| 17 17 1 1 – 16 16 0 1 | 329184.2911 | 0.0223 | 171.1 | 1.29 × 10−3 | 105 |
| 21 14 7 0 – 20 13 8 0 | 330826.2042 | 0.0188 | 148.7 | 8.32 × 10−4 | 129 |
| 21 14 8 0 – 20 13 7 0 | 330826.5149 | 0.0188 | 148.7 | 8.32 × 10−4 | 43 |
| 20 15 5 0 – 19 14 6 0 ( † ) | 333154.5692 | 0.0155 | 147.3 | 9.76 × 10−4 | 41 |
| 20 15 6 0 – 19 14 5 0 ( † ) | 333154.5726 | 0.0155 | 147.3 | 9.76 × 10−4 | 123 |
| 19 16 3 0 – 18 15 4 0 | 335375.7805 | 0.0154 | 146.9 | 1.14 × 10−3 | 117 |
| 19 16 4 0 – 18 15 3 0 | 335375.7805 | 0.0154 | 146.9 | 1.14 × 10−3 | 39 |
| 19 16 3 1 – 18 15 4 1 | 335563.7519 | 0.0154 | 177.9 | 1.12 × 10−3 | 39 |
| 19 16 4 1 – 18 15 3 1 | 335563.7519 | 0.0154 | 177.9 | 1.12 × 10−3 | 117 |
| 25 12 13 0 – 24 11 14 0 ( † ) | 341865.3358 | 0.0411 | 176.0 | 5.78 × 10−4 | 153 |
| 20 16 4 1 – 19 15 5 1 | 344235.8096 | 0.0157 | 186.3 | 1.14 × 10−3 | 123 |
| 20 16 5 1 – 19 15 4 1 | 344235.8096 | 0.0157 | 186.3 | 1.14 × 10−3 | 41 |
| 24 14 10 1 – 23 13 11 1 ( † ) | 356301.7349 | 0.0304 | 208.6 | 8.58 × 10−4 | 147 |
| 19 18 1 1 – 18 17 2 1 | 357554.8901 | 0.0231 | 195.8 | 1.56 × 10−3 | 39 |
| 19 18 2 1 – 18 17 1 1 | 357554.8901 | 0.0231 | 195.8 | 1.56 × 10−3 | 117 |
| 22 16 7 1 – 21 15 6 1 | 361541.5437 | 0.0191 | 204.3 | 1.18 × 10−3 | 45 |
| 22 16 6 1 – 21 15 7 1 | 361541.5438 | 0.0191 | 204.3 | 1.18 × 10−3 | 135 |
| 29 12 18 1 – 28 11 17 1 ( † ) | 362238.2039 | 0.0768 | 253.7 | 4.87 × 10−4 | 177 |
Notes. ( † )The best-fit model only reproduces half of the line fluxes. These lines could consequently be partially blended with unknown species.
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