File name: Pandora162s1_Brussels-Uccle_20201018_L2Fit_fout2c19d20200918p1-8.txt
File generation date: 20250702T135405.3Z
Data description: Level 2 spectral fitting results file
Data file version: fout2c19p1-8
Local principal investigator: C. Hermans
Network principal investigator: Alexander Cede
Instrument type: Pandora
Instrument number: 162
Spectrometer number: 1
Processing software version used: BlickP v1.8.75
Instrument operation file used: Pandora162_OF_v5d20191031.txt
Instrument calibration file used: Pandora162s1_CF_v19d20200918.txt
Level 1 file used: Pandora162s1_Brussels-Uccle_20201018_L1_smca1c19d20200918p1-8.txt
Full location name: Uccle (BIRA-IASB, KMI-IRM)
Short location name: Brussels-Uccle
Country of location: Belgium
Location latitude [deg]: 50.7980
Location longitude [deg]: 4.3580
Location altitude [m]: 107
Local noon date: 20201018
Notes on s-number (L1 configuration): Corrections NOT applied although requested by the s-number are dark map for dark correction (replaced by immediate dark method), latency correction, matrix method stray light correction (replaced by simple method)
Data caveats: None
First and last pixel inside fitting window: 225 367
Nominal wavelengths inside fitting window [nm]: 305.0788 305.2196 305.3605 305.5013 305.6422 305.7830 305.9238 306.0646 306.2054 306.3461 306.4869 306.6276 306.7683 306.9091 307.0498 307.1905 307.3311 307.4718 307.6125 307.7531 307.8937 308.0344 308.1750 308.3156 308.4561 308.5967 308.7373 308.8778 309.0183 309.1589 309.2994 309.4399 309.5803 309.7208 309.8613 310.0017 310.1422 310.2826 310.4230 310.5634 310.7038 310.8441 310.9845 311.1248 311.2652 311.4055 311.5458 311.6861 311.8264 311.9667 312.1069 312.2472 312.3874 312.5276 312.6679 312.8081 312.9483 313.0884 313.2286 313.3687 313.5089 313.6490 313.7891 313.9292 314.0693 314.2094 314.3495 314.4895 314.6296 314.7696 314.9096 315.0496 315.1896 315.3296 315.4696 315.6095 315.7495 315.8894 316.0293 316.1692 316.3091 316.4490 316.5889 316.7287 316.8686 317.0084 317.1482 317.2880 317.4278 317.5676 317.7074 317.8471 317.9869 318.1266 318.2663 318.4061 318.5458 318.6854 318.8251 318.9648 319.1044 319.2441 319.3837 319.5233 319.6629 319.8025 319.9421 320.0816 320.2212 320.3607 320.5003 320.6398 320.7793 320.9188 321.0583 321.1977 321.3372 321.4766 321.6161 321.7555 321.8949 322.0343 322.1737 322.3130 322.4524 322.5917 322.7311 322.8704 323.0097 323.1490 323.2883 323.4275 323.5668 323.7060 323.8453 323.9845 324.1237 324.2629 324.4021 324.5413 324.6804 324.8196 324.9587
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Column 1: Two letter code of measurement routine
Column 2: UT date and time for center-time of measurement, yyyymmddThhmmssZ (ISO 8601)
Column 3: Fractional days since 1-Jan-2000 midnight for center-time of measurement
Column 4: Routine count (1 for the first routine of the day, 2 for the second, etc.)
Column 5: Repetition count (1 for the first set in the routine, 2 for the second, etc.)
Column 6: Total duration of measurement set in seconds
Column 7: Data processing type index
Column 8: Solar zenith angle for center-time of measurement in degree
Column 9: Solar azimuth for center-time of measurement in degree, 0=north, increases clockwise
Column 10: Lunar zenith angle for center-time of measurement in degree
Column 11: Lunar azimuth for center-time of measurement in degree, 0=north, increases clockwise
Column 12: Pointing zenith angle in degree, absolute or relative (see next column), 999=tracker not used
Column 13: Zenith pointing mode: zenith angle is... 0=absolute, 1=relative to sun, 2=relative to moon
Column 14: Pointing azimuth in degree, increases clockwise, absolute (0=north) or relative (see next column), 999=tracker not used
Column 15: Azimuth pointing mode: like zenith angle mode but also fixed scattering angles relative to sun (3) or moon (4)
Column 16: Fitting result index: 0=no error or warning, 1, 2=warning, >2=error
Column 17: Number of function evaluations used, 0=linear fitting or fitting not successful or no fitting done
Column 18: rms of unweighted fitting residuals, -9=fitting not successful
Column 19: Normalized rms of fitting residuals weighted with independent uncertainty, -9=fitting not successful or no uncertainty used
Column 20: Expected rms based on independent uncertainty, -9=fitting not successful or no uncertainty given
Column 21: Expected normalized weighted rms based on independent uncertainty, -9=fitting not successful or no uncertainty given
Column 22: Ozone slant column amount [moles per square meter], -9e99=fitting not successful
Column 23: Independent uncertainty of ozone slant column amount [moles per square meter], -1=cross section is zero in this wavelength range, -3=spectral fitting was done, but no independent uncertainty could be retrieved, -5=no independent uncertainty input was given, -9=spectral fitting not successful
Column 24: Structured uncertainty of ozone slant column amount [moles per square meter], -7=not given since method "MEAS" was chosen, -9=spectral fitting not successful
Column 25: Common uncertainty of ozone slant column amount [moles per square meter], -1=cross section is zero in this wavelength range, -6=no common uncertainty input was given, -7=not given since method "MEAS" was chosen, -9=spectral fitting not successful
Column 26: rms-based uncertainty of ozone slant column amount [moles per square meter], -1=cross section is zero in this wavelength range, -3=spectral fitting was done, but no rms-based uncertainty could be retrieved, -9=spectral fitting not successful
Column 27: Ozone effective temperature [K]
Column 28: Independent uncertainty of ozone effective temperature [K], -1=temperature fitting was requested, but cross section is zero in this wavelength range, -2=no temperature fitting was requested and output for effective temperature and structured uncertainty of it is based on f-code, -3=spectral fitting was done, but no independent uncertainty could be retrieved, -4=temperature fitting was requested, but differential optical depth is too small to retrieve the temperature, -5=no independent uncertainty input was given, -9=spectral fitting not successful
Column 29: Structured uncertainty of ozone effective temperature [K], -1=temperature fitting was requested, but cross section is zero in this wavelength range, -4=temperature fitting was requested, but differential optical depth is too small to retrieve the temperature, -9=spectral fitting not successful
Column 30: Common uncertainty of ozone effective temperature [K], -1=temperature fitting was requested, but cross section is zero in this wavelength range, -2=no temperature fitting was requested and output for effective temperature and structured uncertainty of it is based on f-code, -3=spectral fitting was done, but no common uncertainty could be retrieved, -4=temperature fitting was requested, but differential optical depth is too small to retrieve the temperature, -6=no common uncertainty input was given, -9=spectral fitting not successful
Column 31: Effective ozone fitting wavelength [nm], -9=fitting not successful
Column 32: Diffuse correction applied before fitting at effective fitting wavelength for ozone [%], 0=no diffuse correction applied or fitting not requested, >0=measured diffuse correction, <0=(negative value of) calculated diffuse correction
Column 33: Sulfur dioxide slant column amount [moles per square meter], -9e99=fitting not successful
Column 34: Independent uncertainty of sulfur dioxide slant column amount [moles per square meter], -1=cross section is zero in this wavelength range, -3=spectral fitting was done, but no independent uncertainty could be retrieved, -5=no independent uncertainty input was given, -9=spectral fitting not successful
Column 35: Structured uncertainty of sulfur dioxide slant column amount [moles per square meter], -7=not given since method "MEAS" was chosen, -9=spectral fitting not successful
Column 36: Common uncertainty of sulfur dioxide slant column amount [moles per square meter], -1=cross section is zero in this wavelength range, -6=no common uncertainty input was given, -7=not given since method "MEAS" was chosen, -9=spectral fitting not successful
Column 37: rms-based uncertainty of sulfur dioxide slant column amount [moles per square meter], -1=cross section is zero in this wavelength range, -3=spectral fitting was done, but no rms-based uncertainty could be retrieved, -9=spectral fitting not successful
Column 38: Sulfur dioxide effective temperature [K]
Column 39: Independent uncertainty of sulfur dioxide effective temperature [K], -1=temperature fitting was requested, but cross section is zero in this wavelength range, -2=no temperature fitting was requested and output for effective temperature and structured uncertainty of it is based on f-code, -3=spectral fitting was done, but no independent uncertainty could be retrieved, -4=temperature fitting was requested, but differential optical depth is too small to retrieve the temperature, -5=no independent uncertainty input was given, -9=spectral fitting not successful
Column 40: Structured uncertainty of sulfur dioxide effective temperature [K], -1=temperature fitting was requested, but cross section is zero in this wavelength range, -4=temperature fitting was requested, but differential optical depth is too small to retrieve the temperature, -9=spectral fitting not successful
Column 41: Common uncertainty of sulfur dioxide effective temperature [K], -1=temperature fitting was requested, but cross section is zero in this wavelength range, -2=no temperature fitting was requested and output for effective temperature and structured uncertainty of it is based on f-code, -3=spectral fitting was done, but no common uncertainty could be retrieved, -4=temperature fitting was requested, but differential optical depth is too small to retrieve the temperature, -6=no common uncertainty input was given, -9=spectral fitting not successful
Column 42: Effective sulfur dioxide fitting wavelength [nm], -9=fitting not successful
Column 43: Diffuse correction applied before fitting at effective fitting wavelength for sulfur dioxide [%], 0=no diffuse correction applied or fitting not requested, >0=measured diffuse correction, <0=(negative value of) calculated diffuse correction
Column 44: Molecular scattering air mass factor used for molecular scattering subtraction before the fitting
Column 45: Estimated uncertainty of molecular scattering air mass factor, -9=molecular scattering was not subtracted before the fitting
Column 46: Lower limit used for wavelength scaling [nm]
Column 47: Upper limit used for wavelength scaling [nm]
Column 48: Order of smoothing polynomial
Column 49: Smoothing polynomial coefficient, order 0
Column 50: Independent uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful
Column 51: Structured uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful
Column 52: Common uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful
Column 53: rms-based uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful
Column 54: Smoothing polynomial coefficient, order 1
Column 55: Independent uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful
Column 56: Structured uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful
Column 57: Common uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful
Column 58: rms-based uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful
Column 59: Smoothing polynomial coefficient, order 2
Column 60: Independent uncertainty of smoothing polynomial coefficient, order 2, -9=fitting not successful
Column 61: Structured uncertainty of smoothing polynomial coefficient, order 2, -9=fitting not successful
Column 62: Common uncertainty of smoothing polynomial coefficient, order 2, -9=fitting not successful
Column 63: rms-based uncertainty of smoothing polynomial coefficient, order 2, -9=fitting not successful
Column 64: Smoothing polynomial coefficient, order 3
Column 65: Independent uncertainty of smoothing polynomial coefficient, order 3, -9=fitting not successful
Column 66: Structured uncertainty of smoothing polynomial coefficient, order 3, -9=fitting not successful
Column 67: Common uncertainty of smoothing polynomial coefficient, order 3, -9=fitting not successful
Column 68: rms-based uncertainty of smoothing polynomial coefficient, order 3, -9=fitting not successful
Column 69: Mean value of measured data inside fitting window [same units as measurements]
Column 70: Wavelength change polynomial coefficient, order 0
Column 71: Independent uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful
Column 72: Structured uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful
Column 73: Common uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful
Column 74: rms-based uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful
Column 75: L1 based wavelength change coefficient, order 0, -9=no L1 wavelength change determination
Column 76: L1 based wavelength change coefficient, order 1, -9=no L1 wavelength change determination
Column 77: L2Fit data quality flag: 0=assured high quality, 1=assured medium quality, 2=assured low quality, 10=not-assured high quality, 11=not-assured medium quality, 12=not-assured low quality
Column 78: Sum over 2^i using those i, for which the corresponding L2Fit data quality parameter exceeds the DQ1 limit, 0=L1 data quality above 0, 1=Spectral fitting was not successful, 2=Wavelength shift too large, 3=Normalized rms of fitting residuals weighted with independent uncertainty too large
Column 79: Sum over 2^i using those i, for which the corresponding L2Fit data quality parameter exceeds the DQ2 limit (same parameters as for DQ1)
Column 80: L1 data quality flag: 0=assured high quality, 1=assured medium quality, 2=assured low quality, 10=not-assured high quality, 11=not-assured medium quality, 12=not-assured low quality
Column 81: Sum over 2^i using those i, for which the corresponding L1 data quality parameter exceeds the DQ1 limit, 0=Saturated data, 1=Too few dark counts measurements, 2=No temperature given or effective temperature too different from the reference temperature, 3=Dark count too high, 4=Unsuccessful dark background fitting, 5=The dark count differs significantly from the dark map for too many pixels, 6=Absolute value of estimated average residual stray light level too high, 7=Although attempted, no wavelength change could be retrieved, 8=Absolute value of retrieved wavelength shift too large, 9=Retrieved wavelength shift differs too much from the shift predicted by the effective temperature
Column 82: Sum over 2^i using those i, for which the corresponding L1 data quality parameter exceeds the DQ2 limit (same parameters as for DQ1)
Column 83: Atmospheric variability [%], 999=no atmospheric variability was determined
Column 84: Wavelength effective temperature [°C], 999=no effective temperature given
Column 85: Estimated average residual stray light level [%] (only valid for stray light correction methods 2 and higher)
Column 86: Retrieved wavelength shift from L1 data [nm], -9=no wavelength change determination
Column 87: Retrieved total wavelength shift [nm], -9=no wavelength change fitting
Column 88: Number of bright count cycles
Column 89: Number of dark count cycles
Column 90: Effective position of filterwheel #1, 0=filterwheel not used, 1-9 are valid positions
Column 91: Effective position of filterwheel #2, 0=filterwheel not used, 1-9 are valid positions
Column 92: Sum over 2^i, 0=spectra were interpolated in time, 1=spectra are corrected for off-target signal
Column 93: Integration time [ms]
Column 94: Spectrometer control temperature [°C], 999=no temperature signal
Column 95: Auxiliary spectrometer temperature [°C], 999=no temperature signal
Column 96: Temperature in head sensor [°C], 999=no temperature signal
Column 97: Temperature at electronics board 1 [°C], 999=no temperature signal
Column 98: Temperature at electronics board 2 [°C], 999=no temperature signal
Column 99: Humidity in head sensor [%], -9=no humidity signal
Column 100: Pressure in head sensor [hPa], -9=no pressure signal
Columns 101-243: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting
Columns 244-386: Normalized slant column residuals weighted with independent instrumental uncertainty for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting, 0=no independent instrumental uncertainty was given
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SS 20201018T075920.5Z 7596.332876 68 1 49.04 2 75.50 126.59 92.09 111.25 0.00 1 0.00 1 0 17 3.604e-01 2.183e-02 3.207e-01 1.827e-02 4.696279e-01 9.464870e-03 5.728851e-03 -6.000000e+00 2.034738e-01 224.10 -2.00 3.79 -2.00 320.57 0.00e+00 -5.101275e-04 3.445659e-03 3.522045e-04 -6.000000e+00 9.528447e-03 276.01 -2.00 20.00 -2.00 320.01 0.00e+00 3.911 0.001 302.00 328.00 3 4.9881e+00 2.8513e-02 4.6281e-02 -6.0000e+00 5.0535e-01 5.1889e-02 3.5240e-02 2.6173e-02 -6.0000e+00 5.5256e-01 -9.6700e-02 3.1752e-02 1.3412e-02 -6.0000e+00 3.2545e-01 4.5653e-02 1.6113e-02 4.0161e-03 -6.0000e+00 1.3858e-01 4.6417e-05 1.7011e-04 5.5918e-04 4.7327e-05 -6.0000e+00 9.8370e-03 6.4751e-03 4.6037e-05 12 8 8 10 0 0 99.93 18.51 0.34 0.00648 0.00775 19 4 4 8 0 2580.490 15.00 18.51 16.34 20.96 21.17 43.8 1010.88 -12516 900000 9791 -61400 8954 5112 67866 900000 900000 -128284 900000 -39037 207034 -59349 88809 27521 -61195 12412 -49679 576 -2500 196656 40024 14387 23436 91403 19569 -46570 27069 -18866 110766 4483 101712 -3081 36099 6066 -2293 33263 -13590 37522 5582 -7079 -5836 23420 -13424 8397 -3150 29218 -3987 -2102 12019 -7867 20416 1100 11116 -693 13388 9714 -4992 5563 -1581 8325 -2751 8839 -4753 -5153 -5657 9371 733 4240 2329 -6914 1340 -2701 7479 -4615 1010 -5340 5845 -435 4308 264 -1876 2700 -5373 1807 -930 -93 -2636 1189 669 -1960 3965 -2622 4824 -1750 788 -623 1481 -2329 -114 -858 3117 113 -2643 666 -2311 196 -1626 565 -1196 1084 -381 819 -1087 -1092 1054 -816 558 -1271 1559 -525 2349 -294 2074 1059 754 -262 1791 -536 519 -697 315 906 -1776 223 78 24 1838 -752 661 -1825 -660 -223 900000 174 -1349 159 91 1209 900000 900000 -7087 900000 -1049 3687 -2735 1581 755 -4133 450 -3423 26 -117 3502 1321 658 1053 2288 958 -4052 1128 -1266 2485 307 3127 -262 1999 451 -205 2513 -1957 3861 864 -1302 -1099 3381 -2758 1411 -593 4083 -777 -421 2313 -2009 4276 297 2846 -207 3587 2676 -1548 1537 -487 2547 -1049 3277 -2023 -2101 -2240 3277 305 1956 1195 -4034 710 -1424 3259 -2053 394 -2213 2412 -221 2386 169 -1324 1922 -4453 1489 -827 -84 -2436 1020 534 -1501 2710 -1946 3664 -1612 797 -719 1779 -2850 -128 -884 2918 113 -2915 755 -2819 248 -2258 842 -1959 1787 -624 1251 -1592 -1527 1457 -1206 867 -2108 2510 -840 3577 -441 2907 1450 998 -364 2687 -895 920 -1308 605 1825 -3919 500 179 56 4256 -1719 1416 -3817 -1348