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Table 3
Physical parameters used in the chemical simulation of CH3OH ice photolysis
| Parameter | Symbol | Values | Units |
|---|---|---|---|
| Gas density (He) | n | 108 | cm−3 |
| Temperature | Tdust = Tgas | 20, 30, 50, 70 | K |
| Pressure | Pg | 10−10 | mbar |
| Thickness | d | 20 | ML |
| Extinction | AV | 0 | mag |
| Strength of ISM UV | X | 5.4 × 104 | |
| Grain radius | a | 0.1 | μm |
| Dust-to-gas mass ratio | δ | 5.55 |
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