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Table 1.
Spectroscopy of the deuterated molecular transitions and of their hydrogenated counterparts.
| Molecule | Frequency | Transition | logAul | Eup |
|---|---|---|---|---|
| (GHz) | (s−1) | (K) | ||
| DCN | 144.8280015 | 2−1 | −3.89786 | 10.4 |
| H13CN | 172.6778512 | 2−1 | −3.67033 | 12.4 |
| DCO+ | 144.0772890 | 2−1 | −3.18099 | 10.4 |
| H13CO+ | 173.5067003 | 2−1 | −3.43195 | 12.5 |
| N2D+ | 154.2170318 | 2−1 | −3.70470 | 11.1 |
| N2H+ | 186.3446844 | 2−1 | −3.45807 | 13.4 |
Notes. The Spectroscopic data were obtained from CDMS (Müller et al. 2001, 2005; Endres et al. 2016). The spectroscopic information of additional lines used in this paper are given in Appendix A.
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