Open Access
Table 2
Spectral parameters of the detected lines.
| Quantum numbers (a) | Rest freq. | log[Aij] | Eup |
|---|---|---|---|
| (GHz) | (s−1) | (K) | |
| C-C3H2 | |||
| J(Ka, Kb) = 2(1,2) − 1(0,1) | 85.3389 | −4.6341 | 6.4 |
| HCS+ | |||
| J = 2−1 | 85.3479 | −4.9548 | 6.1 |
| C4H | |||
| N = 9−8, J = 19/2−17/2 | |||
| F = 9−8 | 85.6340 | −4.8189 | 20.5 |
| F = 10−9 | 85.6340 | −4.8163 | 20.5 |
| N = 9−8, J = 17/2−15/2 | |||
| F = 8−7 | 85.6726 | −4.8217 | 20.5 |
| F = 9−8 | 85.6726 | −4.8184 | 20.5 |
| HCO | |||
 |
|||
| J = 3/2−1/2 | |||
| F = 2−1 | 86.6708 | −5.3289 | 4.2 |
| F = 1−0 | 86.7084 | −5.3377 | 4.2 |
| F = 1−1 | 86.7775 | −5.3366 | 4.2 |
| F = 0−1 | 86.8058 | −5.3268 | 4.2 |
| HN13C | |||
| J = 1−0 | 87.0909 | −4.7288 | 4.2 |
| H13CO+ | |||
| J = 1−0 | 86.7543 | −4.4142 | 4.2 |
| CH3OH | |||
| J(Ka, Kb) = 2(1,2)−1(1,1) E2 | 96.7394 | −5.5923 | 12.5 |
| J(Ka, Kb) = 2(0,2)−1(0,1) A+ | 96.7414 | −5.4675 | 7.0 |
| J(Ka, Kb) = 2(0,2)−1(0,1) E1 | 96.7445 | −5.4676 | 20.1 |
| 34SO | |||
| J(K) = 3(2) − 2(1) | 97.7153 | −4.9695 | 9.1 |
| CS | |||
| J = 2−1 | 97.9810 | −4.7763 | 7.1 |
| SO | |||
| J(K) = 3(2) − 2(1) | 99.2999 | −4.9488 | 9.2 |
| H2CO | |||
| J(Ka, Kb) = 2(1,2)-1(1,1) | 140.8395 | −4.2754 | 21.9 |
| J(Ka, Kb) = 2(1,1)-1(1,0) | 150.4983 | −4.1890 | 22.6 |
Notes. (a) All spectral parameters are taken from the Cologne Database for Molecular Spectroscopy (CDMS2; Endres et al. 2016), except for those of HCO, which are taken from the Jet Propulsion Laboratory (JPL, Pickett et al. 1998) catalogue.
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