Table 1
Spectroscopic parameters of the Ν = 1, J = 3/2 → 1/2 transitions of CD.
| Transition | Frequency | Aul × 10−3 | |
|---|---|---|---|
| Parity | F′ − F″ | (MHz) | (s−1) |
| + → − | 1/2 → 3/2 | 439254.774(45) | 0.05 |
| 3/2 → 3/2 | 439255.608(30) | 0.22 | |
| 5/2 → 3/2(*) | 439257.450(30) | 0.50 | |
| 1/2 → 1/2 | 439271.905(30) | 0.45 | |
| 3/2 → 1/2 | 439272.694(30) | 0.28 | |
| − → + | 5/2 → 3/2(*) | 439794.923(30) | 0.50 |
| 3/2 → 3/2 | 439800.005(30) | 0.22 | |
| 3/2 → 1/2 | 439803.008(30) | 0.28 | |
| 1/2 → 3/2 | 439803.124(45) | 0.05 | |
| 1/2 → 1/2 | 439806.093(30) | 0.44 |
Notes. The frequencies are taken from laboratory measurements by Halfen et al. (2008), while the other spectroscopic parameters presented are taken from the Jet Propulsion Laboratory (JPL; Pickett et al. 1998) database. Values in parentheses represent uncertainties in the rest frequencies of the HFS lines, in units of the last significant digits. Asterisks indicate the HFS splitting transition, which was used to set the velocity scale in the analysis.
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