Table 2
Shorthand names, full quantum number designation, and frequency of the molecular lines we considered.
| Short name | Full quantum numbers | Frequency (GHz) |
|---|---|---|
| 13CO (1–0) | J = 1 → J = 0 | 110.201354 |
| C18O (1–0) | J = 1 → J = 0 | 109.782173 |
| HCO+ (1–0) | J = 1 → J = 0 | 89.188396 |
| HCN (1–0) | J = 1 → J = 0 | 88.631602 |
| HNC (1–0) | J = 1 → J = 0 | 90.663568 |
| CN (1–0) | N = 1, J = 3∕2, F = 5∕2 → N = 0, J = 1∕2, F = 3∕2 | 113.490970 |
| C2H (1–0) | N = 1, J = 1∕2, F = 0 → N = 0, J = 1∕2, F = 1 | 87.40716 |
| CS (2–1) | J = 2 → J = 1 | 97.980953 |
| SO (3–2) | J = 3, N = 2 → J = 2, N = 1 | 99.299870 |
| HCS+ (2–1) | J = 2 → J = 1 | 85.347890 |
| CF+ (1–0) | J = 1 → J = 0 | 102.587533 |
| H2CS (3–2) | J = 3, Kp = 0, Ko = 3 → J = 2, Kp = 0, Ko = 3 | 103.040452 |
| DCO+ (1–0) | J = 1 → J = 0 | 72.039354 |
| N2H+ (1–0) | J = 1, F1 = 2, F = 3 → J = 0, F1 = 1, F = 2 | 93.173764 |
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