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Table A.4
Observed line fluxes 
(K km s-1) for HNCO and its isotopic species.
| Frequency | Transition | E up | A | Sources | ||
| [GHz] | [K] | [s-1] | IRAS 20126+4104 | IRAS 18089-1732 | G31.41+0.31 | |
|
|
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| HNCO | ||||||
|
|
||||||
| 219.657 | 103,8/7,9/11/10–93,7/6,9/10/8 | 447 | 1.4(–4) | <1.33 | <0.73 (0.70): | <1.52 (0.63): |
| 219.736 | 102,9/8,9/11/10–92,8/7,9/10/8 | 231 | 1.4(–4) | <0.28 | <0.84 (0.75): | ~0.64 (0.91) |
| 219.798 | 100,10,9/11/10–90,9,9/10/8 | 58 | 1.5(–4) | <0.28 | 1.31 (0.50) | 1.22 (0.55) |
| 240.876 | 111,11,10/12/11–101,10,10/11/9 | 113 | 2.0(–4) | <0.20 | <0.82 (0.54) | <3.10 (0.93): |
| 330.849 | 151,14,14/16/15–141,13,14/15/13 | 170 | 5.2(–4) | ~0.32 (0.31) | <1.53 (0.71): | 2.01 (0.71) |
| 352.898 | 161,15,15/17/16–151,14,15/16/14 | 187 | 6.3(–4) | <0.18 | ~1.84 (1.00) | <3.12 (1.02): |
|
|
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| HN13CO | ||||||
|
|
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| 219.664 | 103,8/7,10–93,7/6,10 | 47 | 1.4(–4) | <1.32 | <0.21 | <0.41 |
| 219.740 | 102,9,11/9/10–92,8,10/8/9 | 31 | 1.4(–4) | <0.28 | <0.24 | <0.26 |
| 219.744 | 102,8,11/9/10–92,7,10/8/9 | 31 | 1.4(–4) | <0.28 | <0.24 | <0.26 |
| 219.804 | 100,10,10/9/8–90,9,10/9/8 | 58 | 1.5(–4) | <0.28 | <0.24 | <0.63 |
| 240.881 | 1111,11,12/11/10–1010,11,11/10/9 | 113 | 2.0(–4) | <0.20 | <0.23 | <0.98 |
| 330.860 | 151,14,16/14/15–141,13,15/13/14 | 170 | 5.2(–4) | <0.31 | <0.32 | <0.31 |
Notes.The notation a( − b) stands for a × 10− b. < Means upper limit. ~ Means uncertain detection, S/N ≲ 2. – Means frequency not observed. : Means blended line.
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