Table 3
Spectroscopic parameters of urea transitions detected toward Sgr B2(N1S).
| Quantum numbers | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Frequency | Δf(a) | Aul (b) | Eu (c) | gu (d) | Upper level | – | Lower level | ||||||
| (MHz) | (kHz) | (10−5 s−1) | (K) | Ju | Ka,u | Kc,u | vu (e) | – | Jl | Ka,l | Kc,l | vl (e) | |
| 90 413.2891 | 5.7 | 1.62 | 107.6 | 31 | 15 | 7 | 8 | 0 | – | 15 | 6 | 9 | 0 |
| 90 414.1278 | 5.7 | 1.62 | 107.6 | 31 | 15 | 8 | 8 | 0 | – | 15 | 7 | 9 | 0 |
| 90 624.9667 | 5.8 | 1.52 | 92.1 | 29 | 14 | 6 | 8 | 0 | – | 14 | 5 | 9 | 0 |
| 90 625.2268 | 5.8 | 1.52 | 92.1 | 29 | 14 | 7 | 8 | 0 | – | 14 | 6 | 9 | 0 |
| 92 004.5312 | 4.6 | 2.31 | 17.6 | 13 | 6 | 3 | 4 | 0 | – | 5 | 2 | 3 | 0 |
| 92 031.8092 | 6.8 | 3.79 | 20.8 | 17 | 8 | 0 | 8 | 0 | – | 7 | 1 | 7 | 0 |
| 92 031.8092 | 6.8 | 3.79 | 20.8 | 17 | 8 | 1 | 8 | 0 | – | 7 | 0 | 7 | 0 |
| 102 767.5263 | 6.4 | 4.55 | 24.6 | 17 | 8 | 1 | 7 | 0 | – | 7 | 2 | 6 | 0 |
| 102 767.5465 | 6.4 | 4.55 | 24.6 | 17 | 8 | 2 | 7 | 0 | – | 7 | 1 | 6 | 0 |
| 102 864.3049 | 7.4 | 5.37 | 25.7 | 19 | 9 | 0 | 9 | 0 | – | 8 | 1 | 8 | 0 |
| 102 864.3049 | 7.4 | 5.37 | 25.7 | 19 | 9 | 1 | 9 | 0 | – | 8 | 0 | 8 | 0 |
| 112 426.6894 | 7.0 | 2.07 | 82.9 | 29 | 14 | 4 | 10 | 0 | – | 14 | 3 | 11 | 0 |
| 112 426.6895 | 7.0 | 2.07 | 82.9 | 29 | 14 | 5 | 10 | 0 | – | 14 | 4 | 11 | 0 |
| 92 052.6888 | 7.2 | 3.79 | 92.7 | 17 | 8 | 0 | 8 | 1 | – | 7 | 1 | 7 | 1 |
| 92 052.6889 | 7.2 | 3.79 | 92.7 | 17 | 8 | 1 | 8 | 1 | – | 7 | 0 | 7 | 1 |
| 102 890.0663 | 7.9 | 5.38 | 97.7 | 19 | 9 | 0 | 9 | 1 | – | 8 | 1 | 8 | 1 |
| 102 890.0663 | 7.9 | 5.38 | 97.7 | 19 | 9 | 1 | 9 | 1 | – | 8 | 0 | 8 | 1 |
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