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Table 6

Best fit results of the slab model.

T ex N mol r log()
[K] [cm-2] [AU]

OH

AS 205 190 8 × 1015 19 45.31
DG Tau 115 4 × 1015 50 45.85
AB Aur 190 <1014 >50 44.25
HD 36112 240 <1014 >50 44.25
HD 50138 130 2 × 1015 95 46.10
HD 100546 210 2 × 1014 40 44.35
HD 104237 160 2 × 1015 20 44.75
HD 163296 425 8 × 1014 15 44.10

H2O

AS 205 100–300 >1017 10–30 >45.85
HD 163296 250–300 1014 − 1015 20 43.5–44.5
CH+

HD 100546 80–120 1016 − 1017 50–70 46.94

Notes. Upper and lower limits are bounds from the modeling.

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