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Table A.1.

Observed line parameters for the species studied in this work.

Transition νrest a b Δvc d Notes
(MHz) (mK km s−1) (km s−1) (mK)
HCCCHCCC1
101, 10-91, 9 31608.167±0.010 1.08±0.17 1.20± 0.26 0.85±0.13
100, 10-90, 9 32160.402±0.010 0.81±0.11 1.00± 0.16 0.76±0.11
102, 9-92, 8 32251.428±0.020 0.25±0.11 0.74± 0.27 0.31±0.13 B
102, 8-92, 7 32351.748±0.010 0.44±0.08 0.64± 0.13 0.64±0.11
101, 9-91, 8 32867.458±0.010 0.92±0.11 0.77± 0.11 1.12±0.15 B
111, 11-101, 10 34763.081±0.010 0.70±0.14 0.87± 0.20 0.75±0.15
110, 11-100, 10 35352.883±0.010 0.95±0.14 1.13± 0.18 0.79±0.12 B
112, 10-102, 9 35471.993±0.010 0.57±0.09 0.64± 0.10 0.83±0.11
112, 9-102, 8 35605.414±0.010 0.76±0.10 1.07± 0.16 0.67±0.13
111, 10-101, 9 36147.207±0.010 0.22±0.07 0.53± 0.15 0.38±0.12
121, 12-111, 11 37916.331±0.010 0.42±0.11 0.63± 0.18 0.63±0.20 C
120, 12-110, 11 38538.774±0.015 0.60±0.14 1.15± 0.36 0.49±0.13 B
122, 11-112, 10 38691.356±0.010 0.41±0.09 0.79± 0.19 0.49±0.13
122, 10-112, 9 38864.149±0.010 0.41±0.13 0.49± 0.13 0.78±0.20 B
121, 11-111, 10 39424.853±0.015 0.40±0.08 0.67± 0.14 0.56±0.14
131, 13-121, 12 41067.952±0.010 0.54±0.11 0.75± 0.16 0.67±0.17
130, 13-120, 12 41717.861±0.010 0.49±0.10 0.47± 0.12 0.98±0.14
132, 12-122, 11 41909.344±0.015 0.29±0.10 0.49± 0.25 0.56±0.15
132, 11-122, 10 42128.143±0.010 0.26±0.06 0.34± 0.15 0.70±0.21 C
131, 12-121, 11 42700.173±0.010 0.26±0.08 0.36± 0.27 0.69±0.17
141, 14-131, 13 44217.650±0.010 0.26±0.09 0.46± 0.16 0.53±0.17
140, 14-130, 13 44889.725±0.015 0.28±0.11 0.51± 0.21 0.51±0.17
142, 13-132, 12 45125.808±0.020 0.21±0.10 0.39± 0.21 0.50±0.20
142, 12-132, 11 45397.603±0.080 A
141, 13-131, 12 45972.928±0.015 0.57±0.18 0.64± 0.19 0.83±0.33 C
151, 15-141, 14 47365.640±0.020 0.15±0.10 0.37± 0.19 0.38±0.24
150, 15-140, 14 48054.091±0.020 0.39±0.15 0.57± 0.23 0.64±0.24
152, 14-142, 13 48340.579±0.010 0.12±0.06 0.26± 0.09 0.45±0.23
151, 14-141, 13 49242.813±0.010 ≤0.57 D
HCCCCS2
21/2-19/2 32964.992± 0.010 0.32±0.11 0.61± 0.17 0.49±0.14
23/2-21/2 35831.439± 0.010 0.27±0.08 0.44± 0.20 0.57±0.16 C
25/2-23/2 38697.923± 0.010 0.48±0.10 0.64± 0.12 0.70±0.15
27/2-25/2 41564.324± 0.010 0.27±0.05 0.30± 0.12 0.83±0.16
29/2-27/2 44430.777± 0.010 0.44±0.09 0.68± 0.16 0.61±0.16
31/2-29/2 47297.214± 0.010 0.21±0.05 0.25± 0.42 0.78±0.22
(1)

Notes.Quantum numbers are J′K′a,K′c - JKa,Kc.

(2)

Quantum numbers are J′-J.

(a)

Observed frequency of the transition assuming a local standard of rest velocity of 5.83 km s−1.

(b)

Integrated line intensity in mK km s−1.

(c)

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

(d)

Antenna temperature in millikelvin.

(A)

This line is fully blended with a transition of CH2CCHCCH. The frequency corresponds to that calculated with the laboratory constants of Table B.1.

(B)

Frequency-switching data with a throw of 8 MHz only. Negative feature present in the data with a 10 MHz throw.

(C)

Frequency-switching data with a throw of 10 MHz only. Negative feature present in the data with a 8 MHz throw.

(D)

Upper limit corresponds to 3σ.

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