Table A.1.
Observed line parameters for the isotopologs of HCCNC and HNCCC
| Isotopolog | J′−J” | F′−F” | νresta |  b |
vLSR | Δvc |  d |
|---|---|---|---|---|---|---|---|
| (MHz) | (mK km s−1) | (km s−1) | (km s−1) | (mK) | |||
| HCCNC | 4-3 | 3-3 | 39742.141±0.010 | 3.46±0.06 | 5.83 | 0.63±0.01 | 5.20±0.08 |
| Main | 39742.551±0.010 | 158.68±0.06 | 5.83 | 0.66±0.01 | 225.26±0.08 | ||
| 4-4 | 39742.854±0.010 | 4.17±0.07 | 5.83 | 0.76±0.02 | 5.15±0.08 | ||
| 5-4 | 4-4 | 49677.692±0.010 | 1.70±0.18 | 5.83 | 0.52±0.06 | 3.05±0.35 | |
| Main | 49678.073±0.010 | 133.98±0.16 | 5.83 | 0.57±0.01 | 220.85±0.35 | ||
| 5-5 | 49678.380±0.010 | 1.79±0.19 | 5.83 | 0.61±0.07 | 2.76±0.35 | ||
| 8-7 | 79484.128±0.002 | 98.19±1.20 | 5.81±0.01 | 0.50±0.01 | 186.30±2.12 | ||
| 9-8 | 89419.261±0.002 | 55.74±0.88 | 5.82±0.01 | 0.48±0.01 | 109.13±2.10 | ||
| 10-9 | 99354.258±0.002 | 26.27±0.40 | 5.82±0.01 | 0.46±0.01 | 53.66±0.99 | ||
| 11-10 | 109289.104±0.002 | 15.40±1.58 | 5.81±0.03 | 0.59±0.07 | 24.25±3.46 | ||
| H13CCNC | 4-3 | 38504.814±0.010 | 1.82±0.14 | 5.83 | 0.69±0.06 | 2.47±0.10 | |
| 5-4 | 48130.904±0.010 | 1.63±0.12 | 5.83 | 0.56±0.05 | 2.73±0.17 | ||
| HC13CNC | 4-3 | 39595.414±0.010 | 1.97±0.08 | 5.83 | 0.63±0.03 | 2.95±0.11 | |
| 5-4 | 49494.159±0.010 | 1.50±0.17 | 5.83 | 0.53±0.07 | 2.67±0.25 | ||
| HCCN13C | 4-3 | 38438.852±0.010 | 1.72±0.10 | 5.83 | 0.65±0.04 | 2.49±0.10 | |
| 5-4 | 48048.456±0.010 | 1.08±0.11 | 5.83 | 0.46±0.05 | 2.21±0.17 | ||
| HCC15NC | 4-3 | 39557.774±0.010 | 0.85±0.10 | 5.83 | 0.81±0.10 | 9.94±0.13 | |
| 5-4 | 49447.148±0.010 | 0.73±0.11 | 5.83 | 0.70±0.11 | 9.85±0.20 | ||
| DCCNC | 4-3 | 36786.179±0.001 | 3.93±0.12 | 5.83±0.01 | 0.68±0.02 | 5.40±0.16 | |
| 5-4 | 45982.631±0.001 | 4.62±0.10 | 5.84±0.01 | 0.56±0.01 | 7.71±0.15 | ||
| HNCCC | 4-3 | 3-3 | 37346.067±0.010 | 2.16±0.07 | 5.83 | 0.69±0.02 | 2.94±0.09 |
| Main | 37346.541±0.010 | 88.04±0.07 | 5.83 | 0.72±0.01 | 114.52±0.09 | ||
| 4-4 | 37346.902±0.010 | 1.91±0.02 | 5.83 | 0.62±0.02 | 2.88±0.09 | ||
| 5-4 | 4-4 | 46682.600±0.010 | 1.39±0.13 | 5.83 | 0.98±0.12 | 1.33±0.15 | |
| Main | 46683.063±0.010 | 69.54±0.14 | 5.83 | 0.61±0.01 | 107.31±0.15 | ||
| 5-5 | 46683.435±0.010 | 1.17±0.15 | 5.83 | 0.68±0.10 | 1.63±0.15 | ||
| 8-7 | 74692.130±0.010 | 28.86±2.19 | 5.83 | 0.52±0.05 | 51.93±4.08 | ||
| 9-8 | 84028.265±0.010 | 12.71±0.37 | 5.83 | 0.49±0.02 | 24.22±0.75 | ||
| 10-9 | 93364.268±0.010 | 7.53±0.38 | 5.83 | 0.57±0.03 | 12.40±0.74 | ||
| 11-10 | 102700.117±0.001 | 6.43±1.39 | 6.03±0.07 | 0.67±0.16 | 9.10±3.06 | ||
| HN13CCC | 4-3 | 37245.805±0.010 | 0.87±0.08 | 5.83 | 0.65±0.07 | 1.26±0.09 | |
| 5-4 | 46557.148±0.010 | 1.04±0.14 | 5.83 | 0.71±0.09 | 1.69±0.22e | ||
| HNC13CC | 4-3 | 37148.515±0.010 | 1.00±0.07 | 5.83 | 0.72±0.06 | 1.31±0.07 | |
| 5-4 | 46435.534±0.010 | 0.91±0.12 | 5.83 | 0.64±0.10 | 1.32±0.17 | ||
| HNCC13C | 4-3 | 36007.309±0.010 | 1.66±0.07 | 5.83 | 1.11±0.05 | 1.40±0.07 | |
| 5-4 | 45009.056±0.010 | 1.10±0.11 | 5.83 | 0.74±0.08 | 1.40±0.14 | ||
| DNCCC | 4-3 | 35204.594±0.010 | 1.60±0.07 | 5.83 | 0.70±0.04 | 2.26±0.08e | |
| 5-4 | 44005.628±0.010 | 1.23±0.10 | 5.83 | 0.54±0.05 | 2.13±0.14 | ||
Notes.
Predicted or observed frequencies for the transitions of HCCNC and HNCCC and their isotopologs (see Sections 3.1 and 3.2). The observed frequencies have an uncertainty of 10 kHz and have been derived adopting a vLSR of 5.83 km s−1 (Cernicharo et al. 2020). The term Main refers to the ΔF=+1 transitions with Fu = J, J + 1, J − 1 which are at nearly the same frequency and unresolved in our data.
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