Unlocking the sulphur chemistry in intermediate-mass protostars of Cygnus X - Connecting the cold and warm chemistry

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Table 6

Comparison between cold envelope and hot core of species with respect to OCS toward N12 and N30.

	Cyg X-N12 ^(a)		Cyg X-N30 ^(a)

Molecules ^(b)	Cold envelope	Hot core	Hot core
N_CS/N_OCS	6.4	0.22	0.07
N_SO/N_OCS	1.8	3.73	8.57
/N_OCS	2.0	3.73	7.8
N_NS/N_OCS	0.18	0.09	0.04

N_CCS/N_OCS	0.11	≤0.17	≤7.1 × 10⁻³
/N_OCS	1.7 × 10⁻²	≤0.17	≤7.1 × 10⁻³
/N_OCS	6.7 × 10⁻²	≤0.17	≤7.1 × 10⁻³
N_HSCN/N_OCS	6.7 × 10⁻³	≤0.17	≤7.1 × 10⁻³

Notes. ^(a)Spectrum from the position MM1a and MM2 for Cyg X-N30 and -N12 (see Figs. 6 and 7), respectively, corresponding to a continuum peak of each of the binary sources. ^(b)Only the main isotopologs detected in the cold envelope and the hot cores are listed in this table.

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