File name: Pandora282s1_Ilo-UNAM_20250604_L2Fit_fout2c2d20240531p1-8.txt
File generation date: 20250605T045023.7Z
Data description: Level 2 spectral fitting results file
Data file version: fout2c2p1-8
Local principal investigator: 
Network principal investigator: Alexander Cede
Instrument type: Pandora
Instrument number: 282
Spectrometer number: 1
Processing software version used: BlickP v1.8.75
Instrument operation file used: Pandora282_OF_v2d20240118.txt
Instrument calibration file used: Pandora282s1_CF_v2d20240531.txt
Level 1 file used: Pandora282s1_Ilo-UNAM_20250604_L1_smca1c2d20240531p1-8.txt
Full location name: Grupo de Investigacion en Ciencias de la Atmosfera, UNAM, Peru
Short location name: Ilo-UNAM
Country of location: Peru
Location latitude [deg]: -17.6020
Location longitude [deg]: -71.3389
Location altitude [m]: 85
Local noon date: 20250604
Notes on s-number (L1 configuration): Corrections NOT applied although requested by the s-number are latency correction, matrix method stray light correction (replaced by simple method)
Data caveats: OOB session based on clearance session 1
First and last pixel inside fitting window: 202 344
Nominal wavelengths inside fitting window [nm]: 305.0356 305.1762 305.3168 305.4574 305.5979 305.7385 305.8790 306.0196 306.1601 306.3006 306.4411 306.5816 306.7221 306.8625 307.0030 307.1435 307.2839 307.4243 307.5647 307.7051 307.8455 307.9859 308.1263 308.2666 308.4070 308.5473 308.6876 308.8279 308.9682 309.1085 309.2488 309.3891 309.5293 309.6696 309.8098 309.9500 310.0902 310.2304 310.3706 310.5108 310.6510 310.7911 310.9313 311.0714 311.2115 311.3516 311.4917 311.6318 311.7719 311.9120 312.0520 312.1921 312.3321 312.4721 312.6121 312.7521 312.8921 313.0321 313.1721 313.3120 313.4520 313.5919 313.7318 313.8717 314.0116 314.1515 314.2914 314.4312 314.5711 314.7109 314.8508 314.9906 315.1304 315.2702 315.4100 315.5497 315.6895 315.8293 315.9690 316.1087 316.2484 316.3881 316.5278 316.6675 316.8072 316.9469 317.0865 317.2261 317.3658 317.5054 317.6450 317.7846 317.9242 318.0637 318.2033 318.3428 318.4824 318.6219 318.7614 318.9009 319.0404 319.1799 319.3193 319.4588 319.5982 319.7377 319.8771 320.0165 320.1559 320.2953 320.4347 320.5740 320.7134 320.8527 320.9921 321.1314 321.2707 321.4100 321.5493 321.6885 321.8278 321.9671 322.1063 322.2455 322.3847 322.5239 322.6631 322.8023 322.9415 323.0806 323.2198 323.3589 323.4980 323.6372 323.7763 323.9153 324.0544 324.1935 324.3325 324.4716 324.6106 324.7496 324.8887
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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: Temperature at electronics board [°C], 999=no temperature signal
Column 95: Spectrometer control temperature [°C], 999=no temperature signal
Column 96: Auxiliary spectrometer temperature [°C], 999=no temperature signal
Column 97: Temperature in head sensor [°C], 999=no temperature signal
Column 98: Humidity in head sensor [%], -9=no humidity signal
Column 99: Pressure in head sensor [hPa], -9=no pressure signal
Columns 100-242: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting
Columns 243-385: 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 20250604T164909.9Z 9286.700809 290 1 30.80 2 40.14 358.08 106.49 96.48 0.00 1 0.00 1 0 17 3.114e-02 1.776e-02 1.548e-02 9.133e-03 1.564220e-01 4.541461e-03 1.688576e-03 -6.000000e+00 1.732995e-02 226.39 -2.00 3.04 -2.00 315.60 0.00e+00 2.166621e-03 4.559427e-04 1.498075e-04 -6.000000e+00 7.937588e-04 291.28 -2.00 20.00 -2.00 314.85 0.00e+00 1.307 0.000 302.00 328.00 3 7.6099e+00 1.1683e-02 1.4603e-02 -6.0000e+00 4.2837e-02 9.7293e-02 1.3024e-02 7.1956e-03 -6.0000e+00 4.6448e-02 -7.0474e-03 7.4753e-03 3.3675e-03 -6.0000e+00 2.7829e-02 -4.1556e-03 3.4758e-03 1.4149e-03 -6.0000e+00 1.2141e-02 6.1206e-05 -3.7247e-04 2.4439e-04 1.0487e-05 -6.0000e+00 7.7764e-04 1.5479e-02 0.0000e+00 12 8 8 10 0 0 -96.69 25.22 0.55 0.01548 0.01268 14 14 1 5 0 2199.890 33.50 19.99 25.22 30.21 3.8 1018.85 -8117 9508 -538 8661 -8082 -16396 -1078 8196 2675 -1262 2011 -798 -4931 -2072 5574 2628 -6049 2048 5808 2801 2446 2902 1862 -3557 -1933 -2000 1104 5013 -491 -4134 2550 1269 3721 -3319 -5284 -4780 -5937 -6003 856 1123 1308 -608 -1098 2945 -296 1220 827 1734 -3368 1300 2761 -2190 498 -2091 2339 -162 -2977 127 1727 2462 844 1954 526 2680 1945 901 -959 -1773 -2174 2664 -1113 718 1282 -259 1168 -984 1196 -4486 -2505 -3043 -1899 -2424 -615 -938 803 -390 1915 1907 2198 107 1404 -2760 -3532 -2137 -3130 -98 -1055 -115 -132 2126 696 -654 -3128 -3647 1104 -1202 -1709 -716 1810 1181 2098 1898 1643 641 271 -1669 -995 -910 14 2497 291 2077 -126 450 619 -351 -1609 -1317 -287 -874 -217 253 185 -557 -165 167 107 1477 43 46 -800 174 -1151 -2429 2583 -164 2237 -2116 -4308 -251 1920 734 -376 553 -220 -1555 -716 2006 1060 -2710 857 2406 1228 1098 1264 814 -1701 -942 -1003 536 2188 -207 -1723 1024 545 1664 -1653 -2457 -2073 -2792 -3240 515 787 906 -444 -826 2149 -221 898 656 1305 -2559 916 1975 -1752 405 -1654 1992 -129 -2478 112 1469 2057 733 1789 480 2543 1868 796 -849 -1486 -1872 2484 -1085 721 1291 -258 1188 -920 970 -3524 -1926 -2613 -1805 -2545 -616 -974 871 -462 2350 2434 2828 138 1648 -3057 -3879 -2139 -3237 -107 -1163 -138 -172 2696 842 -811 -3694 -4386 1389 -1503 -2232 -966 2464 1700 3147 2898 2423 884 340 -2151 -1241 -1172 19 3283 411 2874 -174 597 849 -463 -2016 -1587 -359 -1169 -302 360 264 -816 -231 247 164 2275 68 73 -1229 256 -1662
SS 20250604T175550.9Z 9286.747117 327 1 28.68 2 43.82 335.64 91.02 91.65 0.00 1 0.00 1 0 17 1.258e-02 8.488e-03 5.597e-03 3.599e-03 1.656974e-01 1.792960e-03 1.740299e-03 -6.000000e+00 7.000727e-03 226.39 -2.00 3.04 -2.00 315.17 0.00e+00 8.509593e-04 1.668334e-04 2.669982e-05 -6.000000e+00 3.205541e-04 291.28 -2.00 20.00 -2.00 314.47 0.00e+00 1.384 0.000 302.00 328.00 3 6.2327e+00 4.5903e-03 1.5452e-02 -6.0000e+00 1.7305e-02 6.8148e-02 5.1094e-03 7.3836e-03 -6.0000e+00 1.8762e-02 -3.9111e-03 2.9331e-03 3.5716e-03 -6.0000e+00 1.1241e-02 -3.3762e-03 1.3463e-03 1.1099e-03 -6.0000e+00 4.9063e-03 2.2387e-04 5.0398e-05 9.5478e-05 1.1922e-05 -6.0000e+00 3.1401e-04 1.2889e-02 0.0000e+00 11 9 0 11 8 0 99.69 25.33 0.67 0.01289 0.01327 9 9 1 5 0 3186.460 33.50 20.00 25.33 32.43 3.7 1030.27 -977 1512 114 -700 -4392 -6182 393 -223 2909 471 492 -2341 374 630 3572 -515 -145 639 2411 912 634 697 1110 93 -470 -436 -1127 1180 -756 -636 3379 1168 634 -1457 -2924 -2071 -3675 -1236 -709 -336 434 -1008 -1012 -853 34 186 -1051 -1072 -1218 79 1937 127 182 781 596 765 821 677 1397 -124 226 1093 946 2088 678 451 -977 -701 -783 242 1051 371 499 550 1400 -1095 -512 -2327 -1182 -1670 -1242 -1074 -1371 -1041 -742 -154 -38 733 965 471 1255 -744 -104 -443 -474 -295 39 918 720 740 -169 -651 -1813 -1068 -290 -418 -574 -860 -402 439 1272 701 657 61 -575 -454 -703 -81 -266 294 338 384 847 821 888 179 -840 -203 -271 -339 273 95 -27 -1000 37 189 217 701 392 265 117 -686 -916 -293 478 37 -214 -1194 -1747 108 -63 884 154 154 -737 125 237 1461 -239 -68 303 1153 455 324 348 551 49 -237 -227 -591 615 -366 -293 1537 574 335 -816 -1524 -1006 -1949 -675 -462 -236 330 -806 -829 -703 27 150 -837 -818 -895 61 1502 99 148 659 518 668 730 601 1203 -107 199 1015 882 2050 679 444 -875 -589 -676 236 1043 390 527 565 1347 -1046 -432 -1983 -996 -1451 -1205 -1063 -1456 -1140 -862 -179 -47 932 1238 592 1453 -853 -106 -453 -497 -313 45 1090 925 947 -206 -784 -2051 -1215 -360 -517 -740 -1161 -559 597 1808 1019 922 85 -732 -567 -859 -102 -334 399 480 545 1171 1093 1115 231 -1029 -238 -334 -446 349 124 -36 -1363 53 286 317 1043 595 398 170 -1040 -1346