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Table 2
Comparison of fit parameters and reported uncertainties (1σ in parentheses) of both noiseless and noisy simulated spectra.
| Simulated | Noiseless | Noisy | |||
| input | spectruma | spectrum | |||
|
|
|||||
| Methanol | |||||
| NT (cm-2) | 1 × 1016 | 1.0 × 1016 | 9.91(5) × 1015 | ||
| Δv (km s-1) | 5 | 5.0 | 5.04(2) | ||
| T (K) | 170 | 170.0 | 165.1(9) | ||
| shift (km s-1) | –2 | −2.0 | –1.98(1) | ||
| τmax | 0.0645 | ||||
|
|
|||||
| Methyl cyanide | |||||
| NT (cm-2) | 1 × 1015 | 1.0 × 1015 | 1.035(2) × 1015 | ||
| Δv (km s-1) | 8 | 8.0 | 7.93(2) | ||
| T (K) | 50 | 50.0 | 49.0(2) | ||
| shift (km s-1) | 10 | 10.0 | 10.11(1) | ||
| τmax | 1.9356 | ||||
|
|
|||||
| Sulfur dioxide | |||||
| NT (cm-2) | 1 × 1014 | 1.0 × 1014 | 1.2(4) × 1014 | ||
| Δv (km s-1) | 15 | 15.0 | 14(4) | ||
| T (K) | 120 | 120.0 | 159(59) | ||
| shift (km s-1) | 0 | 0.0 | 0(1) | ||
| τmax | 0.0083 | ||||
|
|
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| Methyl formate | |||||
| NT (cm-2) | 1 × 1016 | 1.0 × 1016 | 1.04(3) × 1016 | ||
| Δv (km s-1) | 10 | 10.0 | 10.20(8) | ||
| T (K) | 400 | 400.0 | 416(10) | ||
| shift (km s-1) | 4 | 4.0 | 3.93(4) | ||
| τmax | 0.0092 | ||||
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