Open Access
Table A.1
Properties of the hyperfine splitting of CN(1−0) and C2H(1−0).
| Molecule | Transition, F | v[GHz] | RI |
| 3/2 → 1/2 | 113.488142 | 0.1235 | |
| 5/2 → 3/2 | 113.490985* | 0.3333 | |
| 12CN(1−0) | 1/2 → 1/2 | 113.499643 | 0.0988 |
| 3/2 → 3/2 | 113.508934 | 0.0988 | |
| 1/2 → 3/2 | 113.520414 | 0.0123 | |
| 3/2,1 → 1/2,1 | 87.284105 | 0.042 | |
| 3/2,2 → 1/2,1 | 87.316898 | 0.416 | |
| 3/2,1 → 1/2,0 | 87.328585* | 0.207 | |
| C2H(1−0) | 1/2,1 → 1/2,1 | 87.401989 | 0.208 |
| 1/2,0 → 1/2,1 | 87.407165 | 0.084 | |
| 1/2,1 → 1/2,0 | 87.444647 | 0.043 |
Notes. We show their transitions, rest frequencies, and relative intensities. Lines listed in Table B.1 are indicated with a star.
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