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Table 2

Retrieved mole fractions and isotopic ratios.

Molecular species Mole fraction 1σ error

CH4 1.33% 0.07%
CO 40 ppm 5 ppm
HCNa 1.02 0.13

Molecular species Isotopic ratio 1σ error Terr. ratio

12C/13C (CO) 87 6 89.3
12C/13C (HCN) 96 13 89.3
14N/15N 76 6 272
16O/18O 380 60 498.8

Notes. 

(a)

Value is the scaling factor of the Marten et al. distribution.

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