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Table B.9:

Isotopologue ratios.

Ratio 		Extended ridge Compact ridge Plateau Hot core Solar isotopic abundance1

OCS / OC34S 		20 $\pm$ 8 $\ga$4 15 $\pm$ 5 $\ga$5 32S/34S $\simeq$ 22.5
OCS / OC33S 40 $\pm$ 22 $\ga$33 75 $\pm$ 29 $\ga$50 32S/33S $\simeq$ 127
OCS / O13CS 33 $\pm$ 12 $\ga$7 25 $\pm$ 9 $\ga$15 12C/13C $\simeq$ 90
OCS / 18OCS 200 $\pm$ 112 $\ga$42 250 $\pm$ 135 $\ga$150 16O/18O $\simeq$ 499
O13CS / O13C34S $\ga$6 $\ga$6 $\ga$2 $\ga$14 32S/34S $\simeq$ 22.5
OC34S / O13C34S $\ga$10 $\ga$14 $\ga$2 $\ga$42 12C/13C $\simeq$ 90
OCS / 17OCS $\ga$400 $\ga$150 $\ga$750 $\ga$750 16O/17O $\simeq$ 2625
OCS / OC36S $\ga$400 $\ga$100 $\ga$375 $\ga$500 32S/36S $\simeq$ 4747
O13CS / OC34S 0.6 $\pm$ 0.2 0.6 $\pm$ 0.2 0.6 $\pm$ 0.2 0.33 $\pm$ 0.13 (13C/12C) $\times$ (32S/34S) $\simeq$ 0.25
O13CS / OC33S 1.2 $\pm$ 0.7 4 $\pm$ 2 3 $\pm$ 2 3 $\pm$ 2 (13C/12C) $\times$ (32S/33S) $\simeq$ 1.4
O13CS / 18OCS 6 $\pm$ 3 6 $\pm$ 3 10 $\pm$ 6 10 $\pm$ 6 (13C/12C) $\times$ (16O/18O) $\simeq$ 5.5
OC33S / OC34S 0.5 $\pm$ 0.3 0.1 $\pm$ 0.2 0.20 $\pm$ 0.11 0.1 $\pm$ 0.2 33S/34S $\simeq$ 0.2
18OCS / OC34S 0.10 $\pm$ 0.06 0.10 $\pm$ 0.06 0.16 $\pm$ 0.03 0.03 $\pm$ 0.02 (18O/16O) $\times$ (32S/34S) $\simeq$ 0.05
18OCS / OC33S 0.20 $\pm$ 0.10 0.6 $\pm$ 0.5 0.8 $\pm$ 0.2 0.3 $\pm$ 0.2 (18O/16O) $\times$ (32S/33S) $\simeq$ 0.25

o-H2CS / o-H2C34S 		20 $\pm$ 7 25 $\pm$ 10 35 $\pm$ 13 14 $\pm$ 6 32S/34S $\simeq$ 22.5
p-H2CS / p-H2C34S 21 $\pm$ 8 25 $\pm$ 8 38 $\pm$ 14 17 $\pm$ 7 32S/34S $\simeq$ 22.5
o-H2CS / o-H213CS 40 $\pm$ 16 50 $\pm$ 20 47 $\pm$ 18 20 $\pm$ 8 12C/13C $\simeq$ 90
p-H2CS / p-H213CS 43 $\pm$ 16 50 $\pm$ 18 46 $\pm$ 17 20 $\pm$ 9 12C/13C $\simeq$ 90
HDCS / (o-H2CS+p-H2CS) 0.07 $\pm$ 0.03 0.040 $\pm$ 0.012 0.040 $\pm$ 0.012 0.050 $\pm$ 0.02 D/H $\simeq$ 3.4 $\times$ 10-5
o-H2C34S / o-H213CS 2.0 $\pm$ 0.8 2.0 $\pm$ 0.7 1.3 $\pm$ 0.5 1.4 $\pm$ 0.5 (34S/32S) $\times$ (12/C13C) $\simeq$ 4
p-H2C34S / p-H213CS 2.0 $\pm$ 0.8 2.0 $\pm$ 0.8 1.2 $\pm$ 0.4 1.2 $\pm$ 0.4 (34S/32S) $\times$ (12/C13C) $\simeq$ 4
(o-H2C34S+p-H2C34S)/ HDCS 0.7 $\pm$ 0.2 1.0 $\pm$ 0.3 0.7 $\pm$ 0.2 1.3 $\pm$ 0.4 (34S/32S) $\times$ H/D $\simeq$ 2 $\times$ 10-6
(o-H213CS+p-H213CS)/ HDCS 0.34 $\pm$ 0.12 0.5 $\pm$ 0.2 0.5 $\pm$ 0.2 1.0 $\pm$ 0.3 (13C/12C) $\times$ H/D $\simeq$ 3.8 $\times$ 10-7

13CS / 13C34S 		... $\ga$6 ... $\ga$15 32S/34S $\simeq$ 22.5
C34S / 13C34S ... $\ga$16 ... $\ga$18 12C/13C $\simeq$ 490
13CS / 13C33S ... $\ga$21 ... $\ga$30 32S/33S $\simeq$ 127
C33S / 13C33S ... $\ga$14 ... $\ga$20 12C/13C $\simeq$ 90
13CS / C34S 0.7 $\pm$ 0.2 0.37 $\pm$ 0.14 0.6 $\pm$ 0.2 0.9 $\pm$ 0.3 (13C/12C) $\times$ (32S/34S) $\simeq$ 0.25
13CS / C33S 4.0 $\pm$ 1.3 1.5 $\pm$ 0.7 1.2 $\pm$ 0.4 1.5 $\pm$ 0.5 (13C/12C) $\times$ (33S/34S) $\simeq$ 1.4
C33S / C34S 0.17 $\pm$ 0.03 0.25 $\pm$ 0.10 0.5 $\pm$ 0.2 0.6 $\pm$ 0.2 33S/34S $\simeq$ 0.2

Notes. Isotopologue ratios for the OCS, H2CS, and CS species obtained with the column density results of the Tables 5, 6, and 8.
(1) Anders & Grevesse (1989).


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