Table 1
Spectroscopic properties of the CH ground-state HFS transitions.
| Transition | Frequency | AE | Relative |
|---|---|---|---|
| F′− F′′ | (MHz) | × 10−10 (s−1) | intensity |
| 0−−1+ | 3263.793447 | 2.876 | 1.0 |
| 1−−1+ | 3335.479356 | 2.045 | 2.0 |
| 1−−0+ | 3349.192556 | 1.036 | 1.0 |
Notes. The columns are (from left to right): the transition as described by the hyperfine quantum number (F), the frequency of the transition, the Einstein A coefficient and the relative line intensities at LTE. The frequencies were measured by Truppe et al. (2014) with uncertainties of 3 Hz.
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