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Table A.1.

Observed line parameters for CH2CHCCH, HCCN, HC4N, and CH3CH2CN.

Transition ν vLSR Δv Notes
(MHz) (mk km s−1) (km s−1) (km s−1) (mK)
CH2CHCCH
404 − 303 35463.2066 ± 0.0003 2.1 ± 0.4 5.84 ± 0.04 0.79 ± 0.09 2.5 ± 0.3
414 − 313 36270.1555 ± 0.0003 3.2 ± 0.5 5.81 ± 0.04 0.87 ± 0.09 3.5 ± 0.4
423 − 322 36298.8671 ± 0.0003 … A
422 − 321 36327.0963 ± 0.0003 1.1 ± 0.4 5.81 ± 0.15 1.22 ± 0.30 0.8 ± 0.3
413 − 312 37123.6151 ± 0.0003 1.0 ± 0.3 5.75 ± 0.04 0.35 ± 0.15 2.7 ± 0.4
515 − 414 44323.5327 ± 0.0004 1.8 ± 0.3 5.71 ± 0.05 0.59 ± 0.11 2.8 ± 0.5
505 − 404 45316.5327 ± 0.0003 1.7 ± 0.4 5.87 ± 0.06 0.58 ± 0.15 2.7 ± 0.6
524 − 423 45369.7261 ± 0.0003 ≤1.5 B
523 − 422 45426.1532 ± 0.0003 ≤1.5 B
514 − 413 46398.7422 ± 0.0005 2.0 ± 0.5 5.76 ± 0.06 0.66 ± 0.15 2.8 ± 0.6
CH3CH2CN
41, 4 − 31, 3 4–3 34823.953 ± 0.001 0.9 ± 0.3 5.61 ± 0.13 0.71 ± 0.15 1.2 ± 0.3
41, 4 − 31, 3 5–4 34824.089 ± 0.001 1.1 ± 0.3 5.74 ± 0.15 0.80 ± 0.15 1.3 ± 0.3
40, 4 − 30, 3 3–2 35722.143 ± 0.001 1.2 ± 0.4 5.83 ± 0.12 1.15 ± 0.30 1.0 ± 0.3
40, 4 − 30, 3 4–3 35722.208 ± 0.001 1.8 ± 0.4 5.70 ± 0.06 0.66 ± 0.12 2.5 ± 0.3
40, 4 − 30, 3 5–4 35722.238 ± 0.001 NR
41, 3 − 31, 2 5–4 36739.711 ± 0.001 1.3 ± 0.4 5.56 ± 0.08 0.83 ± 0.16 1.5 ± 0.3 BBR
51, 5 − 41, 4 6–5 43516.229 ± 0.001 1.8 ± 0.4 6.00 ± 0.09 0.89 ± 0.20 1.9 ± 0.4 NR
51, 5 − 41, 4 5–4 43516.153 ± 0.001 NR
51, 5 − 41, 4 4–3 43516.186 ± 0.001 NR
50, 5 − 40, 4 6–5 44597.010 ± 0.001 2.3 ± 0.4 5.79 ± 0.09 1.09 ± 0.18 1.9 ± 0.5 NR
50, 5 − 40, 4 4–3 44596.954 ± 0.001 NR
50, 5 − 40, 4 5–4 44596.986 ± 0.001 NR
51, 4 − 41, 3 6–5 45908.544 ± 0.001 1.4 ± 0.4 6.09 ± 0.06 0.49 ± 0.14 2.5 ± 0.6 NR
51, 4 − 41, 3 5–4 45909.472 ± 0.001 NR
51, 4 − 41, 3 4–3 45908.514 ± 0.001 NR
HCCN
10 − 01 2–1 5/2–5/2 33681.972 ± 0.014 0.8 ± 0.3 5.53 ± 0.07 0.49 ± 0.12 1.4 ± 0.3
11 − 01 1–1 3/2–3/2 33711.125 ± 0.009 0.6 ± 0.3 5.74 ± 0.10 0.60 ± 0.15 0.9 ± 0.3
23 − 12 3–3 5/2–5/2 43599.379 ± 0.004 0.9 ± 0.3 5.75 ± 0.12 0.70 ± 0.25 1.2 ± 0.3
23 − 12 2–2 3/2–3/2 43609.127 ± 0.003 1.1 ± 0.4 5.65 ± 0.13 0.96 ± 0.40 1.0 ± 0.4
23 − 12 2–1 3/2–1/2 43622.442 ± 0.002 1.2 ± 0.3 5.60 ± 0.07 0.62 ± 0.12 1.9 ± 0.4
23 − 12 2–1 5/2–3/2 43613.513 ± 0.002 NR
23 − 12 4–3 7/2–5/2 43613.571 ± 0.002 5.0 ± 0.5 5.86 ± 0.02 0.77 ± 0.04 6.2 ± 0.4
23 − 12 3–2 5/2–3/2 43624.295 ± 0.002 2.8 ± 0.4 5.72 ± 0.04 0.70 ± 0.08 3.7 ± 0.4
23 − 12 4–3 9/2–7/2 43624.662 ± 0.003 2.7 ± 0.4 5.74 ± 0.02 0.53 ± 0.06 4.7 ± 0.4
23 − 12 3–2 7/2–5/2 43624.800 ± 0.002 1.6 ± 0.3 5.73 ± 0.03 0.40 ± 0.05 3.8 ± 0.4
22 − 11 2–1 3/2–1/2 43936.844 ± 0.009 ≤1.2 B
22 − 11 1–1 1/2–1/2 43939.743 ± 0.007 ≤1.2 B
22 − 11 3–2 5/2–3/2 43940.214 ± 0.006 2.2 ± 0.5 5.65 ± 0.09 1.05 ± 0.25 1.9 ± 0.4
22 − 11 2–2 3/2–3/2 43943.474 ± 0.007 ≤1.2 B
22 − 11 1–0 3/2–1/2 43945.275 ± 0.006 1.2 ± 0.4 5.45 ± 0.13 0.96 ± 0.30 1.1 ± 0.4
22 − 11 2–1 5/2–3/2 43945.594 ± 0.003 1.0 ± 0.4 5.80 ± 0.11 0.72 ± 0.20 1.3 ± 0.4
22 − 11 3–2 7/2–5/2 43948.624 ± 0.004 2.6 ± 0.4 5.80 ± 0.03 0.66 ± 0.09 3.7 ± 0.4
HC4N
77 − 66 6–5 11/2–9/2 32233.047 ± 0.010 0.5 ± 0.3 5.78 ± 0.20 0.62 ± 0.15 0.8 ± 0.3
77 − 66 7–6 13/2–11/2 32233.149 ± 0.010 1.5 ± 0.4 5.75 ± 0.10 0.98 ± 0.05 1.4 ± 0.3
77 − 66 8–7 15/2–13/2 32233.290 ± 0.003 1.0 ± 0.3 5.80 ± 0.14 0.95 ± 0.09 1.0 ± 0.3
77 − 66 6–5 13/2–11/2 32233.472 ± 0.010 1.6 ± 0.5 5.89 ± 0.08 1.04 ± 0.10 1.4 ± 0.3
77 − 66 7–6 15/2–13/2 32233.545 ± 0.003 NR
77 − 66 8–7 17/2–15/2 32233.694 ± 0.003 0.9 ± 0.3 5.83 ± 0.09 0.74 ± 0.18 1.2 ± 0.3
78 − 67 7–6 15/2–13/2 32365.728 ± 0.010 0.9 ± 0.4 5.93 ± 0.11 0.84 ± 0.21 0.9 ± 0.3
78 − 67 8–7 17/2–15/2 32365.938 ± 0.003 NR,BN
78 − 67 7–6 13/2–11/2 32365.972 ± 0.003 2.7 ± 0.5 5.83 ± 0.04 0.87 ± 0.07 2.9 ± 0.3
78 − 67 9–8 19/2–17/2 32365.994 ± 0.003 NR,BN
78 − 67 8–7 15/2–13/2 32366.230 ± 0.010 1.9 ± 0.4 5.51 ± 0.06 0.95 ± 0.13 1.9 ± 0.3
78 − 67 9–8 17/2–15/2 32366.230 ± 0.010 NR,BN
87 − 76 7–6 13/2–11/2 36665.590 ± 0.004 1.1 ± 0.3 5.98 ± 0.15 1.00 ± 0.30 1.1 ± 0.3
87 − 76 8–7 15/2–13/2 36665.694 ± 0.004 0.8 ± 0.3 5.74 ± 0.10 0.57 ± 0.17 1.3 ± 0.3
87 − 76 6–5 11/2–9/2 36665.831 ± 0.004 0.7 ± 0.3 5.76 ± 0.06 0.32 ± 0.30 1.9 ± 0.3
87 − 76 7–6 15/2–13/2 36666.427 ± 0.004 2.2 ± 0.4 5.64 ± 0.06 1.07 ± 0.14 2.0 ± 0.3
87 − 76 8–7 17/2–15/2 36666.497 ± 0.004 NR
87 − 76 6–5 13/2–11/2 36666.641 ± 0.004 0.8 ± 0.4 5.42 ± 0.09 0.68 ± 0.18 1.1 ± 0.3
88 − 77 7–6 13/2–11/2 36837.871 ± 0.005 2.5 ± 0.6 5.65 ± 0.09 1.48 ± 0.25 1.6 ± 0.3
88 − 77 8–7 15/2–13/2 36837.939 ± 0.005 NR
88 − 77 9–8 17/2–15/2 36838.043 ± 0.005 NR
88 − 77 7–6 15/2–13/2 36838.172 ± 0.005 1.3 ± 0.4 5.66 ± 0.09 0.90 ± 0.22 1.4 ± 0.3
88 − 77 8–7 17/2–15/2 36838.240 ± 0.005 1.3 ± 0.4 6.15 ± 0.05 0.71 ± 0.11 1.7 ± 0.3
88 − 77 9–8 19/2–17/2 36838.350 ± 0.005 NR
89 − 78 8–7 17/2–15/2 36942.973 ± 0.004 ≤0.9 B
89 − 78 8–7 15/2–13/2 36943.144 ± 0.004 3.2 ± 0.5 5.66 ± 0.03 0.82 ± 0.07 3.7 ± 0.3
89 − 78 9–8 19/2–17/2 36943.144 ± 0.004 NR
89 − 78 10–9 21/2–19/2 36943.179 ± 0.004 NR
89 − 78 9–8 17/2–15/2 36943.330 ± 0.004 1.5 ± 0.4 5.67 ± 0.04 0.60 ± 0.08 2.4 ± 0.3
89 − 78 10–9 19/2–17/2 36943.352 ± 0.004 NR
98 − 87 8–7 15/2–13/2 41309.798 ± 0.007 1.3 ± 0.3 5.94 ± 0.15 1.19 ± 0.12 1.0 ± 0.3
98 − 87 9–8 17/2–15/2 41309.886 ± 0.007 NR
98 − 87 7–6 13/2–11/2 41309.971 ± 0.007 2.4 ± 0.5 5.67 ± 0.10 0.33 ± 0.04 0.7 ± 0.3
98 − 87 8–7 17/2–15/2 41310.387 ± 0.007 NR
98 − 87 9–8 19/2–17/2 41310.452 ± 0.007 1.3 ± 0.4 5.85 ± 0.06 0.64 ± 0.09 1.9 ± 0.3
98 − 87 7–6 15/2–13/2 41310.540 ± 0.007 NR
99 − 88 8–7 15/2–13/2 41442.624 ± 0.007 NR
99 − 88 9–8 17/2–15/2 41442.703 ± 0.007 NR
99 − 88 10–9 19/2–17/2 41442.760 ± 0.007 NR
99 − 88 8–7 17/2–15/2 41442.839 ± 0.007 2.4 ± 0.6 5.54 ± 0.30 2.44 ± 0.50 0.9 ± 0.3
99 − 88 9–8 19/2–17/2 41442.917 ± 0.007 NR
99 − 88 10–9 21/2–19/2 41443.002 ± 0.007 NR
910 − 89 9–8 19/2–17/2 41527.729 ± 0.007 1.0 ± 0.3 5.68 ± 0.06 0.51 ± 0.12 1.8 ± 0.4
910 − 89 9–8 17/2–15/2 41527.847 ± 0.007 NR
910 − 89 10–9 21/2–19/2 41527.865 ± 0.007 NR
910 − 89 11–10 23/2–21/2 41527.887 ± 0.007 2.7 ± 0.6 5.90 ± 0.04 0.70 ± 0.11 3.6 ± 0.4
910 − 89 10–9 19/2–17/2 41527.994 ± 0.007 0.6 ± 0.3 6.86 ± 0.12 0.53 ± 0.29 1.0 ± 0.4
910 − 89 11–10 21/2–19/2 41528.006 ± 0.007 NR
1010 − 99 9–8 17/2–15/2 46047.335 ± 0.010 NR
1010 − 99 9–9 19/2–17/2 46047.440 ± 0.010 NR
1010 − 99 11–10 21/2–19/2 46047.445 ± 0.010 2.5 ± 0.4 5.86 ± 0.08 0.84 ± 0.17 2.8 ± 0.6
1010 − 99 10–8 19/2–17/2 46047.469 ± 0.010 NR
1010 − 99 10–9 21/2–19/2 46047.573 ± 0.010 NR
1010 − 99 11–10 23/2–21/2 46047.641 ± 0.010 2.0 ± 0.4 6.01 ± 0.06 0.57 ± 0.13 3.2 ± 0.6
1011 − 910 10–9 21/2–19/2 46117.484 ± 0.010 NR
1011 − 910 10–9 19/2–17/2 46117.567 ± 0.010 NR
1011 − 910 11–10 23/2–21/2 46117.594 ± 0.010 1.6 ± 0.5 5.74 ± 0.06 0.51 ± 0.12 3.3 ± 0.6
1011 − 910 12–11 25/2–23/2 46117.608 ± 0.010 NR
1011 − 910 11–10 21/2–19/2 46117.685 ± 0.010 1.3 ± 0.5 5.70 ± 0.11 0.62 ± 0.17 2.0 ± 0.6
1011 − 910 12–11 23/2–21/2 46117.692 ± 0.010 NR
CH2CHCN
41, 4 − 31, 3 4–4 37017.816 ± 0.001 1.7 ± 0.3 5.87 ± 0.05 0.68 ± 0.11 2.4 ± 0.4
41, 4 − 31, 3 4–3 37018.829 ± 0.001 26.8 ± 0.8 5.77 ± 0.01 0.69 ± 0.02 36.3 ± 0.4
41, 4 − 31, 3 3–2 37018.926 ± 0.001 22.8 ± 0.7 5.73 ± 0.02 0.68 ± 0.05 31.4 ± 0.4
41, 4 − 31, 3 5–4 37018.981 ± 0.001 29.3 ± 0.8 5.74 ± 0.01 0.64 ± 0.02 42.9 ± 0.4
41, 4 − 31, 3 3–3 37020.293 ± 0.001 0.9 ± 0.3 5.72 ± 0.15 0.51 ± 0.34 1.6 ± 0.4
40, 4 − 30, 3 4–4 37903.587 ± 0.001 3.0 ± 0.4 5.81 ± 0.03 0.66 ± 0.08 4.3 ± 0.4
40, 4 − 30, 3 3–2 37904.770 ± 0.001 31.7 ± 0.8 5.87 ± 0.01 0.69 ± 0.02 42.8 ± 0.4
40, 4 − 30, 3 4–3 37904.850 ± 0.001 87.2 ± 1.5 5.75 ± 0.02 0.72 ± 0.01 113.8 ± 0.4
40, 4 − 30, 3 5–4 37904.880 ± 0.001 NR
40, 4 − 30, 3 3–3 37906.474 ± 0.001 1.5 ± 0.4 5.72 ± 0.03 0.49 ± 0.12 2.9 ± 0.4
42, 3 − 32, 2 4–3 37939.248 ± 0.001 4.2 ± 0.5 5.90 ± 0.01 0.62 ± 0.03 6.3 ± 0.4
42, 3 − 32, 2 5–4 37939.763 ± 0.001 6.2 ± 0.5 5.78 ± 0.01 0.74 ± 0.04 7.8 ± 0.4
42, 3 − 32, 2 3–2 37939.896 ± 0.001 2.6 ± 0.4 5.79 ± 0.02 0.59 ± 0.05 4.1 ± 0.4
42, 2 − 32, 1 4–3 37973.989 ± 0.001 4.7 ± 0.4 5.83 ± 0.02 0.74 ± 0.04 6.0 ± 0.4
42, 2 − 32, 1 5–4 37974.504 ± 0.001 5.5 ± 0.5 5.80 ± 0.01 0.68 ± 0.03 7.6 ± 0.4
42, 2 − 32, 1 3–2 37974.636 ± 0.001 3.1 ± 0.4 5.82 ± 0.02 0.65 ± 0.05 4.4 ± 0.4
41, 3 − 31, 2 4–4 38846.762 ± 0.001 1.5 ± 0.4 5.88 ± 0.06 0.89 ± 0.13 1.6 ± 0.4
41, 3 − 31, 2 4–3 38847.641 ± 0.001 27.4 ± 0.8 5.75 ± 0.00 0.66 ± 0.01 38.9 ± 0.4
41, 3 − 31, 2 3–2 38847.747 ± 0.001 55.4 ± 1.1 5.88 ± 0.00 0.79 ± 0.01 66.3 ± 0.4
41, 3 − 31, 2 5–4 38847.790 ± 0.001 NR
41, 3 − 31, 2 3–3 38848.933 ± 0.001 2.5 ± 0.4 5.81 ± 0.02 0.63 ± 0.06 3.4 ± 0.6
51, 5 − 41, 4 5–4 46266.887 ± 0.001 NR
51, 5 − 41, 4 4–3 46266.926 ± 0.001 70.2 ± 1.2 5.76 ± 0.01 0.87 ± 0.01 76.0 ± 0.6
51, 5 − 41, 4 6–5 46266.971 ± 0.001 NR
50, 5 − 40, 4 5–5 47353.356 ± 0.001 1.9 ± 0.4 5.80 ± 0.05 0.56 ± 0.11 3.2 ± 0.6
50, 5 − 40, 4 4–3 47354.605 ± 0.001 NR
50, 5 − 40, 4 5–4 47354.648 ± 0.001 104.0 ± 1.5 5.80 ± 0.01 0.74 ± 0.01 132.9 ± 0.6
50, 5 − 40, 4 6–5 47354.670 ± 0.001 NR
50, 5 − 40, 4 4–4 47356.230 ± 0.001 2.5 ± 0.4 6.00 ± 0.06 0.75 ± 0.09 3.1 ± 0.6
52, 4 − 42, 3 5–4 47419.606 ± 0.001 5.5 ± 0.6 5.77 ± 0.02 0.69 ± 0.05 7.6 ± 0.6
52, 4 − 42, 3 6–5 47419.876 ± 0.001 8.6 ± 0.8 5.75 ± 0.02 0.70 ± 0.05 11.5 ± 0.6
52, 4 − 42, 3 4–3 47419.904 ± 0.001 NR
51, 4 − 41, 3 5–4 48552.516 ± 0.001 NR
51, 4 − 41, 3 4–3 48552.559 ± 0.001 73.8 ± 1.9 5.77 ± 0.01 0.86 ± 0.02 80.3 ± 0.9
51, 4 − 41, 3 6–5 48552.598 ± 0.001 NR

Notes. (A)Blended with a strong feature. (B)Three sigma upper limit. (NR)Hyperfine structure line blended with other components of the same rotational transition. The line has been included in the fit to the previous or next entry in the table.

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