Space and laboratory discovery of HC3S+ | Astronomy & Astrophysics (A&A)

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Volume 646 (February 2021)

A&A, 646 (2021) L3

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Table A.1.

Observed line parameters in TMC-1 for CS, HCS⁺, C₂S and C₃S.

Molecule	Transition	ν_rest^(a)	^(b)	V_LSR^(c)	Δv^(d)	^(e)
		(MHz)	(K km s⁻¹)	(km s⁻¹)	(km s⁻¹)	(K)
CS	1–0	48990.9573(1)	1.0623(10)	5.75(1)	0.74(1)	1.3451(14)
			0.1031(20)	6.46(1)	0.72(1)	0.1345(14)
C³⁴S	1–0	48206.9417(1)	0.4025(10)	5.82(1)	0.65(1)	0.5902(12)
¹³C³⁴S	1–0	45463.4123(6)	0.0044(10)	5.72(5)	0.68(9)	0.0061(10)
HCS⁺	1–0	42674.1954(14)	0.2395(10)	5.79(1)	0.54(1)	0.4154(7)
HC³⁴S⁺	1–0	41983.0630(16)	0.0138(10)	5.79(1)	0.58(2)	0.0223(6)
C₂S	2₃–1₂	33751.3699(6)	1.1417(10)	5.77(1)	0.75(1)	1.4346(4)
C₂S	3₃–3₂	38866.4200(29)	0.1918(10)	5.77(1)	0.63(1)	0.2842(5)
C₂S	4₃–3₂	43981.0190(36)	0.1745(10)	5.78(1)	0.59(1)	0.2780(7)
C₂S	3₄–2₃	45379.0275(13)	1.0521(10)	5.79(1)	0.60(1)	1.6468(7)
C₂ ³⁴S	2₃–1₂	33111.8420(13)	0.0842(10)	5.79(1)	0.72(1)	0.1101(4)
C₂ ³⁴S	3₃–2₂	38015.2321(23)	0.0070(10)	5.79(1)	0.63(1)	0.0100(5)
C₂ ³⁴S	4₃–3₂	42918.1822(13)	0.0062(10)	5.81(1)	0.55(1)	0.0108(6)
C₂ ³⁴S	3₄–2₃	44497.6025(42)	0.0820(10)	5.82(1)	0.57(1)	0.1343(8)
C₃S	6–5	34684.3681(6)	0.4938(10)	5.80(1)	0.72(1)	0.6482(4)
C₃S	7–6	40465.0144(7)	0.4599(10)	5.81(1)	0.62(1)	0.6955(5)
C₃S	8–7	46245.6231(8)	0.4073(10)	5.82(1)	0.60(1)	0.6437(9)
C₃ ³⁴S	6–5	33844.2468(9)	0.0198(10)	5.84(1)	0.73(1)	0.0255(4)
C₃ ³⁴S	7–6	39484.8768(11)	0.0200(10)	5.85(1)	0.64(1)	0.0296(5)
C₃ ³⁴S	8–7	45125.4708(12)	0.0185(10)	5.84(1)	0.59(2)	0.0291(9)

Notes.

^(a)

Predicted frequencies from the MADEX code (Cernicharo et al. 2012). Numbers in parentheses are 1σ uncertainties in units of the last digits.

^(b)

Integrated line intensity in K km s⁻¹.

^(c)

Line velocity with respect to the Local Standard of Rest in km s⁻¹.

^(d)

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

^(e)

Antenna temperature in K.

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