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Table 2

Spectroscopic parameters of the transitions used for the HDO and CO2 mapping and for the spectral fits (n is the temperature dependence factor of the broadening coefficient).

Molecule Wavenumber QN(band) QN(line) S E Broad. coef. n
(cm−1) (cm mol−1) (cm−1) (cm−1 atm−1)
H2O 1388.484 010 000 6 1 5–6 4 2 1.68 × 10−22 757.8 0.105 0.46
H2O 1391.026 010 000 11 0 11–11 1 10 6.44 × 10−22 1524.8 0.105 0.46

HDO 1387.976 010 000 0 0 0–1 0 1 7.10 × 10−24 15.5 0.206 0.69
HDO 1389.127 010 000 1 1 1–2 0 2 5.29 × 10−24 46.2 0.192 0.67
HDO 1389.132 010 000 3 1 3–3 1 2 2.53 × 10−24 116.5 0.192 0.67

CO2 1386.964 111 01 011 01 Q1F 4.69 × 10−27 663.1 0.119 0.75
CO2 1386.967 111 01 011 01 Q1E 4.69 × 10−27 663.1 0.119 0.75
CO2 1389.177 111 01 011 01 R2E 8.29 × 10−27 664.6 0.102 0.68
CO2 1389.184 111 01 011 01 R2F 8.29 × 10−27 664.6 0.102 0.68
CO2 1389.915 111 01 011 01 R3E 1.15 × 10−26 666.8 0.119 0.75
CO2 1389.925 111 01 011 01 R3F 1.15 × 10−26 666.8 0.119 0.75

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