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Table 8
Parameters allowing the calculation of the ice and clathrate line position rice(x) (AU) for each volatile molecule x (see Eqs. (18) and (19)) in irradiated discs.
| Molecules | a | b | c |
|
|
|||
| Pure ices* | |||
| Using Eq. (18) | |||
| H2O | 63.74 ± 0.1 | 0.69 ± 0.005 | 0.70 ± 0.01 |
| CH3OH | 68.41 ± 1.2 | 0.73 ± 0.006 | 1.05 ± 0.01 |
| NH3 | 86.98 ± 1.87 | 0.81 ± 0.01 | 2.43 ± 0.02 |
| Using Eq. (19) | |||
| CO2 | 0.175 ± 0.008 | 0.0064 ± 0.0001 | 2.94 ± 0.03 |
| H2S | 0.33 ± 0.01 | 0.0051 ± 0.00014 | 3.56 ± 0.04 |
|
|
|||
| Clathrates* | Using Eq. (18) | ||
| H2S – 6 H2O | 88.19 ± 2.54 | 0.80 ± 0.02 | 3.03 ± 0.02 |
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