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Table B.2.

Observed lines of 2-CCP towards TMC-1.

Transition νpreda νobsb ∫ dvc Δv d e Notes
(JKa, Kc)u − (JKa, Kc)l (MHz) (MHz) (mK km s−1) (km s−1) (mK)
93, 6 − 83, 5 31457.995 ± 0.006 31458.005 ± 0.010 0.69 ± 0.13 1.12 ± 0.23 0.57 ± 0.14 E
91, 8 − 81, 7 32228.215 ± 0.006 32228.207 ± 0.010 1.08 ± 0.13 0.85 ± 0.09 1.20 ± 0.12
92, 7 − 82, 6 32237.173 ± 0.006 32237.180 ± 0.010 0.76 ± 0.10 0.89 ± 0.13 0.80 ± 0.12
101, 10 − 91, 9 32482.415 ± 0.009 32482.420 ± 0.010 0.62 ± 0.10 0.60 ± 0.12 0.97 ± 0.16
100, 10 − 90, 9 32926.951 ± 0.009 32926.946 ± 0.010 0.95 ± 0.12 0.71 ± 0.11 1.26 ± 0.16
102, 9 − 92, 8 34279.918 ± 0.009 34279.970 ± 0.020 1.21 ± 0.19 1.44 ± 0.23 0.79 ± 0.19 E
111, 11 − 101, 10 35656.918 ± 0.011 35656.932 ± 0.010 0.57 ± 0.08 0.60 ± 0.11 0.89 ± 0.13
101, 9 − 91, 8 35657.417 ± 0.008 35657.412 ± 0.010 0.95 ± 0.08 0.73 ± 0.07 1.20 ± 0.13
102, 8 − 92, 7 35958.391 ± 0.007 D
110, 11 − 100, 10 36014.223 ± 0.012 36014.255 ± 0.010 0.98 ± 0.26 0.85 ± 0.15 1.00 ± 0.14
112, 10 − 102, 9 37625.343 ± 0.012 37625.308 ± 0.015 0.96 ± 0.13 0.88 ± 0.13 0.83 ± 0.18
121, 12 − 111, 11 38819.937 ± 0.014 38819.928 ± 0.010 0.68 ± 0.12 0.75 ± 0.18 0.85 ± 0.16
111, 10 − 101, 9 39030.219 ± 0.011 39030.222 ± 0.010 0.61 ± 0.11 0.58 ± 0.14 1.00 ± 0.18
120, 12 − 110, 11 39098.064 ± 0.014 39098.060 ± 0.010 0.50 ± 0.09 0.49 ± 0.10 0.95 ± 0.18
112, 9 − 102, 8 39666.839 ± 0.009 39666.848 ± 0.015 0.49 ± 0.11 0.54 ± 0.13 0.86 ± 0.20
122, 11 − 112, 10 40949.324 ± 0.015 40949.339 ± 0.015 0.62 ± 0.11 0.54 ± 0.12 1.08 ± 0.18
131, 13 − 121, 12 41973.156 ± 0.017 D
130, 13 − 120, 12 42184.094 ± 0.017 42184.110 ± 0.030 0.39 ± 0.10 0.64 ± 0.18 0.57 ± 0.17
121, 11 − 111, 10 42340.761 ± 0.015 42340.761 ± 0.010 1.29 ± 0.15 0.86 ± 0.11 1.32 ± 0.20
122, 10 − 112, 9 43349.053 ± 0.011 43349.049 ± 0.015 0.44 ± 0.11 0.42 ± 0.13 0.99 ± 0.22
141, 14 − 131, 13 45118.255 ± 0.021 45118.232 ± 0.030 0.97 ± 0.26 0.95 ± 0.38 0.96 ± 0.24
140, 14 − 130, 13 45274.919 ± 0.021 D
131, 12 − 121, 11 45586.689 ± 0.019 45586.714 ± 0.020 0.72 ± 0.17 0.54 ± 0.12 1.25 ± 0.32
132, 11 − 122, 10 46994.644 ± 0.014 46994.606 ± 0.020 1.07 ± 0.17 0.70 ± 0.11 1.44 ± 0.28

Notes. For the observational parameters we adopted the uncertainty of the Gaussian fit provided by GILDAS.

(a)

Predictions based on the rotational constants of Lee et al. (2021) (see also McCarthy et al. 2020, Sect. 3.3).

(b)

Observed frequency assuming a vLSR of 5.83 km s−1.

(c)

Integrated line intensity in mK km s−1.

(d)

Line width at half intensity derived by fitting a Gaussian function to the observed line profile (in km s−1).

(e)

Antenna temperature in millikelvin.

(D)

Affected by a negative feature produced in the folding of the frequency switching data.

(E)

Broad line due to the hyperfine structure of the transition.

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