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Table 6

Gas temperatures for an ice loss of 50% relative to the initial abundances (Tdes (K)) during the heating stage and a re-adsorption of 50% (Tre (K)) during the cooling stage for six major ice species.

N2 CO CO2 CH3OH NH3 H2O
Initial n / n (H2) 6.5 × 10−5 1.9 × 10−4 4.6 × 10−5 2.5 × 10−5 1.8 × 10−5 2.9 × 10−4






Model Tdes Tre Tdes Tre Tdes Tre Tdes Tre Tdes Tre Tdes Tre
Dens6 21 24 54 40 104 113 50 116 51
Dens7 22 26 60 61 127 73 143 78 145 78
Standard 26 31 70 72 139 138 150 148
Dens10 26 30 72 70 135 92 145 92 147 92
Dens12 30 34 76 80
Tmax50 26 26 31 29
Tmax100 26 31 30 67 66
Plateau 26 31 70 51 139 150 96 150 96
Irrad100 26 18 69 60 122 150 146
Tpowl/6 24 28 64 63 123 95 134 95 138 95
Tpow-1/20 23 27 60 63 117 83 131 84 132 84
Ice_sma11 26 31 66 72 107 94 114 94 114 95
Ice_large 28 33 73 72 141 138 150 147

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