Table 2.

Summay of column densities and fractional abundances

Molecule			DCO+ peak			HCO peak
	HPBW (″)	Trot (K)	N(X) (cm–2)	N(X)/NH	Trot (K)	N(X) (cm–2)	N(X)/NH
H2	12		2.9×1022	0.5		1.9×1022	0.5
S2H	22 - 26	${8.73}_{-1.10}^{+1.36}$	${3.0}_{-0.6}^{+0.9}\times {10}^{12}$	${5.2}_{-1.0}^{+1.5}\times {10}^{-11}$	${12.69}_{-1.54}^{+1.78}$	${3.3}_{-0.7}^{+1.2}\times {10}^{12}$	${8.7}_{-1.9}^{+3.1}\times {10}^{-11}$
H2S1	14	$9_{-1}^{+1}$	${1.9}_{-0.3}^{+0.4}\times {10}^{13}$	${3.3}_{-0.6}^{+0.7}\times {10}^{-10}$	${12}_{-2}^{+2}$	${1.2}_{-0.2}^{+0.1}\times {10}^{13}$	${3.1}_{-0.5}^{+0.3}\times {10}^{-10}$

⁽¹⁾We assume the rotation temperatures derived from S₂H.