Open Access

Table F.1

Calculations for [SO2/H2] from literature values.

Source Distance (pc) N(H2) a (×1024 cm−2) Tgas (K) N(SO2) (×1014 cm−2) [SO2/H2] (×10−10) Ref.
IRAS 16293 120 > 12.0 125 15.0 < 1.25 1, 2

Ophiuchus Class I

GSS 30 139 0.20 ± 0.02 50 – 150 [67 – 431] [335 – 2160] 3
Elias 29 139 0.24 ± 0.02 50 – 150 [150 – 990] [625 – 4130] 3
IRS 43 139 0.26 ± 0.05 50 – 150 [49 – 312] [187 – 1200] 3
IRS 44 139 0.23 ± 0.03 50 – 150 [239 – 1540] [1040 – 6700] 3
IRS 67 139 0.92 ± 0.10 50 – 150 [26 – 166] [28 – 180] 3

Taurus Class I/II

DG Tau (outer disk) 121 8.1 40 – 300 [0.15 – 2.3] [0.02 – 0.28] 4, 5
HL Tau (inner disk) 147 20.7 > 350 > 1.6 > 0.08 4, 5
HL Tau (outer disk) 147 20.7 58 [0.3 – 10] [0.02 – 0.48] 4, 5
IRAS 04302 161 3.8 > 75 > 0.1 > 0.04 4, 5
T Tau S 144 2.8 40 – 300 [0.2 – 37] [0.08 – 13.4] 4, 5

IRS 48 134 1.1 50 – 150 [12.7 – 32.3] [12 – 29] 6, 7

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