Sulphur-bearing molecules in diffuse molecular clouds: new results from SOFIA/GREAT and the IRAM 30 m telescope

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Table 3

Continuum antenna temperatures and rms noise.

Source	Line		T_A(cont)	T _rms	Channel	S/N ^a
			(K)	(mK)	width	ratio
					(km s^-1)

W31C	SH	1383.2 GHz	4.11	58.7	0.40	70
...	H₂S	168.8 GHz	0.75	3.8	0.35	198
...	CS	98.0 GHz	0.81	10.8	0.24	75
...	SO	99.3 GHz	0.78	9.4	0.24	83
...	H₃S⁺	293.5 GHz	0.86	12.3	0.20	69

G29.96-0.02	SH	1383.2 GHz	1.47	67.3	0.40	21
...	H₂S	168.8 GHz	0.36	3.9	0.35	92
...	CS	98.0 GHz	0.42	6.4	0.24	65
...	SO	99.3 GHz	0.43	5.5	0.59	78
...	H₃S⁺	293.5 GHz	0.41	10.7	0.20	37

G34.3+0.1	SH	1383.2 GHz	4.38	66.0	0.40	66
...	H₂S	168.8 GHz	1.47	4.6	0.35	320
...	CS	98.0 GHz	1.32	5.9	0.24	222
...	SO	99.3 GHz	1.35	5.0	0.59	269
...	H₃S⁺	293.5 GHz	1.53	14.7	0.20	104

W49N	SH	1383.2 GHz	3.54	208.3	0.40	17
...	H₂S	168.8 GHz	1.46	5.3	0.35	278
...	CS	98.0 GHz	1.57	11.2	0.24	140
...	SO	99.3 GHz	1.54	12.7	0.24	120
...	H₃S⁺	293.5 GHz	1.63	16.9	0.20	96

W51	SH	1383.2 GHz	4.82	67.6	0.40	71
...	H₂S	168.8 GHz	0.96	7.9	0.35	120
...	CS	98.0 GHz	0.62	6.9	0.60	90
...	SO	99.3 GHz	0.62	6.9	0.59	90
...	H₃S⁺	293.5 GHz	1.41	28.4	0.20	49

Notes.

^(a)

Signal-to-noise ratio on the continuum.

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