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Table 2.
Band strength (A) of O2 for the different ice compositions.
| H2O : O2 | Aa (cm molec−1) | Mixtureb | Ratiob | Ab (cm molec−1) |
|---|---|---|---|---|
| 9 : 1 | 7.6e–21 | |||
| 4 : 1 | 9.6e–21 | |||
| 3 : 1 | 1.5e–20 | |||
| 2 : 1 | 4.8e–20 | H2O : CO : CO2 : O2 | 2 : 2 : 0.5 : 1 | 1.0e–19 |
| 1 : 1 | 3.9e–20 | H2O : CO : O2 | 1 : 1 : 1 | 0.7e–19 |
| 1 : 2 | 6.4e–20 | |||
| 1 : 4 | 1.6e–19 | |||
| 1 : 9 | 3.2e–19 | |||
| CO : O2 | 1 : 1 | 0.7e–19 | ||
| CO2 : O2 | 1 : 1 | 6.0e–19 | ||
| CO2 : O2 | 10 : 1 | 3.0e–18 |
Notes.
(b)
Comparison with band strength as derived by Ehrenfreund et al. (1992). H2O to O2 ratios with equal values to those used in our work have been aligned to facilitate comparison.
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