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Table 3
CH4 mixing ratio on Mars retrieved from the SOFIA/EXES observation.
Slit position | Lat (∘) | Lon1(∘) | LT2 | CH4 volume mixing ratio (3σ) | |||
---|---|---|---|---|---|---|---|
1327.0742 cm−1 | 1327.4098 cm−1 | 1332.5467 cm−1 | Weighted average | ||||
Mars Center ♯1 | − 17 | 181 | 16 | 4 ± 8 ppb | 1 ± 4 ppb | 0 ± 18 ppb | 2 ± 3 ppb |
Mars Center ♯1 | 13 | 211 | 14 | 0 ± 2 ppb | 1 ± 2 ppb | 4 ± 6 ppb | 1 ± 1 ppb |
Mars Center ♯1 | 40 | 247 | 12 | 1 ± 3 ppb | 1 ± 5 ppb | 0 ± 5 ppb | 1 ± 2 ppb |
Mars Left | − 42 | 205 | 15 | 2 ± 8 ppb | 0 ± 6 ppb | 0 ± 14 ppb | 1 ± 5 ppb |
Mars Left | − 8 | 237 | 13 | 0 ± 6 ppb | 0 ± 3 ppb | 2 ± 12 ppb | 0 ± 3 ppb |
Mars Left | 13 | 270 | 11 | 2 ± 4 ppb | 0 ± 2 ppb | 3 ± 9 ppb | 1 ± 2 ppb |
Mars Right | 0 | 168 | 18 | 10 ± 16 ppb | 1 ± 7 ppb | 0 ± 25 ppb | 3 ± 6 ppb |
Mars Right | 30 | 189 | 16 | 0 ± 2 ppb | 1 ± 6 ppb | 2 ± 7 ppb | 0 ± 2 ppb |
Mars Right | 66 | 218 | 14 | 0 ± 2 ppb | 0 ± 3 ppb | 1 ± 3 ppb | 0 ± 1 ppb |
Mars Center ♯2 | − 17 | 188 | 16 | 3 ± 7 ppb | 0 ± 7 ppb | 0 ± 11 ppb | 1 ± 4 ppb |
Mars Center ♯2 | 13 | 217 | 14 | 0 ± 3 ppb | 0 ± 2 ppb | 2 ± 5 ppb | 0 ± 1 ppb |
Mars Center ♯2 | 40 | 253 | 12 | 0 ± 2 ppb | 3 ± 6 ppb | 0 ± 4 ppb | 0 ± 2 ppb |
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