Laboratory and astronomical discovery of cyanothioketene, NCCHCS, in the cold starless core TMC-1

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Volume 686 (June 2024)

A&A, 686 (2024) L3

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Table B.1.

Line parameters for all observed transitions for NCCHCS.

Transition	ν_obs ^a	$\int T_{A}^{} d v$ $\int T_A^ dv$ ^b	Δv^c	$T_{A}^{*}$ ^d
	(MHz)	(mK km s⁻¹)	(km s⁻¹)	(mK)
9_1, 8 − 8_1, 7	31556.110±0.010	0.92±0.15	1.00±0.17	0.86±0.16	A
10_1, 10 − 9_1, 9	33787.451±0.010	0.40±0.06	0.59±0.09	0.63±0.09
10_0, 10 − 9_0, 9	34352.683±0.010	0.73±0.07	0.70±0.07	0.98±0.09
10_2, 9 − 9_2, 8	34434.336±0.020	0.15±0.07	0.33±0.10	0.43±0.15	A
10_2, 8 − 9_2, 7	34524.679±0.010	0.49±0.11	1.17±0.31	0.39±0.09
10_1, 9 − 9_1, 8	35057.192±0.010	0.76±0.10	0.92±0.13	0.77±0.07
11_1, 11 − 10_1, 10	37160.746±0.010	0.70±0.08	0.80±0.11	0.82±0.08
11_0, 11 − 10_0, 10	37766.565±0.010	0.70±0.08	0.89±0.15	0.90±0.08
11_2, 10 − 10_2, 9	37873.642±0.020	0.18±0.03	0.30±0.12	0.57±0.06
11_2, 9 − 10_2, 8	37993.801±0.020	0.59±0.12	0.85±0.18	0.65±0.15	A
11_1, 10 − 10_1, 9	38556.602±0.010	0.57±0.06	0.67±0.07	0.79±0.08
12_1, 12 − 11_1, 11					B
12_0, 12 − 11_0, 11	41174.511±0.010	0.67±0.08	0.88±0.14	0.71±0.07
12_2, 11 − 11_2, 10	41311.794±0.020	0.23±0.05	0.66±0.15	0.33±0.09
12_2, 10 − 11_2, 9	41467.488±0.020	0.27±0.06	0.46±0.14	0.54±0.11
12_1, 11 − 11_1, 10	42054.115±0.010	0.70±0.10	0.74±0.11	0.89±0.10	C
13_1, 13 − 12_1, 12	43902.762±0.010	0.28±0.06	0.57±0.12	0.46±0.12	C
13_0, 13 − 12_0, 12	44576.159±0.010	0.47±0.10	0.67±0.11	0.65±0.09
13_2, 12 − 12_2, 11	44748.620±0.020	0.30±0.09	0.63±0.21	0.46±0.15
13_2, 11 − 12_2, 10	44946.028±0.020	0.38±0.10	1.08±0.33	0.33±0.11
13_1, 12 − 12_1, 11	45549.568±0.010	1.04±0.14	1.16±0.23	0.84±0.14
14_1, 14 − 13_1, 13	47271.282±0.010	0.83±0.12	0.70±0.11	1.10±0.18
14_0, 14 − 13_0, 13	47971.107±0.010	0.73±0.10	0.65±0.11	1.07±0.16
14_1, 13 − 13_1, 12	49042.693±0.010	0.73±0.10	0.65±0.11	1.07±0.16

Notes.

^(a)

Observed frequencies for the detected transitions of NCCHCS in TMC-1.

^(b)

Integrated line intensity in mK km s⁻¹.

^(c)

Line width at half intensity using a Gaussian fit in the line profile (in km s⁻¹).

^(d)

Antenna temperature (in mK).

^(A)

Only data from the observations with a frequency switching of 10 MHz.

^(B)

The line is fully blended with the rotational transition 8₁₇ − 7₁₆ of H₂CCCS.

^(C)

Only data from the observations with a frequency switching of 8 MHz.

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