Table 2
Observed transitions and telescope parameters.
| Molecule | QNs | Rest freq. | μ | B | Sij | log10(Aij) | Elow | Eup | FWHM | νchan |
|---|---|---|---|---|---|---|---|---|---|---|
| (GHz) | (D) | (MHz) | (K) | (K) | (″) | (m s−1) | ||||
| Molecular line transitions observed by PMO | ||||||||||
| C4H | N = 9–8, J = 19∕2–17/2 | 85.63400 | 0.9 | 4758.6 | 18.894 | −5.55477 | 16.435 | 20.546 | 53 | 210 |
| … | N = 9–8, J = 17∕2–15/2 | 85.67258 | … | … | 16.883 | −5.55765 | 16.452 | 20.563 | 53 | 210 |
| c–C3H2 | 21,2–10,1 | 85.33889 | 3.43 | 32 212 | 4.5 | −4.59289 | 2.349 | 6.445 | 53 | 210 |
| CCH | N = 1–0, J = 3∕2–1/2, F = 1–1 | 87.28415 | 0.769 | 43 674 | 0.246 | −6.42627 | 0.002 | 4.191 | 53 | 210 |
| … | N = 1–0, J = 3∕2–1/2, F = 2–1 | 87.31692 | … | … | 2.409 | −5.65605 | 0.002 | 4.193 | 53 | 210 |
| … | N = 1–0, J = 3∕2–1/2, F = 1–0 | 87.32862 | … | … | 1.2 | −5.73675 | 0.000 | 4.191 | 53 | 210 |
| … | N = 1–0, J = 1∕2–1/2, F = 1–1 | 87.40200 | … | … | 1.2 | −5.73568 | 0.002 | 4.197 | 53 | 210 |
| … | N = 1–0, J = 1∕2–1/2, F = 0–1 | 87.40716 | … | … | 0.482 | −5.65473 | 0.002 | 4.197 | 53 | 210 |
| … | N = 1–0, J = 1∕2–1/2, F = 1–0 | 87.44651 | … | … | 0.246 | −6.42386 | 0.000 | 4.197 | 53 | 210 |
| HNC | J = 1–0 | 90.66359 | 3.05 | 45 332 | 1.215 | −4.48572 | 0.000 | 4.351 | 53 | 210 |
| CCS | JN = 77–66 | 90.68638 | 2.88 | 6477.75 | 6.953 | −4.48258 | 21.764 | 26.116 | 53 | 210 |
| HC3N | J = 10–9 | 90.97902 | 3.73 | 4549.059 | 9.999 | −4.23748 | 19.648 | 24.014 | 53 | 210 |
| N2H+ | J = 1–0, F1 = 1–1 | 93.17188 | 3.4 | 46 586 | 3.222 | −4.40932 | 0.000 | 4.472 | 53 | 210 |
| … | J = 1–0, F1 = 2–1 | 93.17370 | … | … | 5.371 | −4.40926 | 0.000 | 4.472 | 53 | 210 |
| … | J = 1–0, F1 = 0–1 | 93.17613 | … | … | 1.074 | −4.40918 | 0.000 | 4.472 | 53 | 210 |
| Molecular line transitions observed by TMRT | ||||||||||
| SO | J = 12–11 | 13.04370 | 1.535 | 21 523.556 | 1.435 | −7.53601 | 10.552 | 15.807 | 73 | 32 |
| HC5N | J = 6–5, F = 5–4 | 15.97601 | 4.33 | 1331.33 | 1.637 | −6.87816 | 1.332 | 2.684 | 60 | 27 |
| … | J = 6–5, F = 6–5 | 15.97604 | … | … | 1.945 | −6.87581 | 1.332 | 2.684 | 60 | 27 |
| … | J = 6–5, F = 7–6 | 15.97606 | … | … | 2.308 | −6.86356 | 1.332 | 2.684 | 60 | 27 |
| CCCS | J = 3–2 | 17.34225 | 3.6 | 2890.3801 | 3 | −6.44737 | 0.579 | 1.664 | 55 | 25 |
| HC3N | J = 2–1, F = 2–2 | 18.19493 | 3.73 | 4549.059 | 0.167 | −7.01213 | 0.304 | 1.310 | 52 | 24 |
| … | J = 2–1, F = 1–0 | 18.19519 | … | … | 0.222 | −6.66538 | 0.304 | 1.310 | 52 | 24 |
| … | J = 2–1, F = 2–1 | 18.19627 | … | … | 0.5 | −6.53500 | 0.304 | 1.310 | 52 | 24 |
| … | J = 2–1, F = 3–2 | 18.19627 | … | … | 0.933 | −6.41003 | 0.304 | 1.310 | 52 | 24 |
| … | J = 2–1, F = 1–2 | 18.1970763 | … | … | 0.011 | −7.96613 | 0.304 | 1.310 | 52 | 24 |
| … | J = 2–1, F = 1–1 | 18.19836 | … | … | 0.167 | −6.79020 | 0.304 | 1.310 | 52 | 24 |
Notes. The transitions of CH3CCH J = 5–4 (85.45727 GHz) and HC7N J = 14–13 (15.791987 GHz), J = 15–14 (16.9199791 GHz), and J = 16–15 (18.0479697 GHz) are observed but not detected, and thus unlisted. All the transitions and their properties are obtained from the Cologne Database for Molecular Spectroscopy (https://cdms.astro.uni-koeln.de/).
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