Table 8
VUV-absorption cross sections of O2 ice for different photon energies.
Irrad. energy | σ |
![]() |
![]() |
eV | l cm2 | molec/photoninc | molec/photonabs |
|
|||
10.5 | 7.1 × 10-19 | ~1 × 10-3 | 0.05 |
9.4 | 6.3 × 10-18 | ~7 × 10-3 | 0.04 |
8.6 | 8.0 × 10-18 | ~4.5 × 10-3 | 0.02 |
7.6 | 3.5 × 10-18 | ~1.5 × 10-3 | 0.015 |
Notes. values
were adapted from Fig. 3 of Fayolle et al. (2013) for the starting, maximum, and
minimum photon energies (7.6, 9.4, and 10.5 eV). The 8.6 eV value was added because it
also coincides with the average photon energy of our MDHL. The values in the table
correspond to 30 ML of O2 ice (i.e., a column density of 30 × 1015 molecules
cm-2), see
Fayolle et al. (2013).
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