Table 2

Brightness ratios and derived CO2/H2O column abundance ratios.

Observation start O i λ1304/ O i] λ1356/ C i λ1657/ [CO2]/
(UT) H i Lyman-β O i λ1304 H i Lyman-β [H2O]

2014-10-22 16:30:14 0.362 ± 0.044 0.335 ± 0.043 0.073 ± 0.031 0.045 ± 0.019
2014-10-23 00:07:15 0.340 ± 0.034 0.450 ± 0.049 0.096 ± 0.027 0.059 ± 0.017
2014-10-23 02:40:01 0.359 ± 0.050 0.410 ± 0.061 0.103 ± 0.027 0.064 ± 0.016
2014-10-23 04:05:58 0.336 ± 0.048 0.618 ± 0.100 0.242 ± 0.054 0.150 ± 0.033

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