Open Access
Table 2
Average fraction of molecules in the ice mantles based on the presented model.
| Layered | Mixed | ||
|---|---|---|---|
| Molecule | Layer 1 (ML 0–130) | Layer 2 (ML 131–160) | (ML 0–160) |
| H2O | 40% (100%) | 26% (100%) | 38% (100%) |
| CH3OH | 27% (67.5%) | 0.6% (2.3%) | 22% (58%) |
| N2 | 11% (27.5%) | 12% (46%) | 11% (29%) |
| CO | 8% (20%) | 38% (146%) | 14% (37%) |
| H2CO | 5% (12.5%) | 2% (7.7%) | 5% (13%) |
| NH3 | 4% (10%) | 0.1% (0.4%) | 3% (7.9%) |
| H2 | 4% (10%) | 2.5 × 10−4%(9.6 × 10−4%) | 3% (7.9%) |
| H2O2 | 1.5 × 10−3%(3.8 × 10−3%) | 11% (42.3%) | 2% (5.3%) |
| O2 | 2.6 × 10−4%(6.5 × 10−4%) | 10% (38.5%) | 2% (5.3%) |
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