File name: Pandora282s1_Ilo-UNAM_20250604_L2Fit_fout2c3d20250118p1-8.txt
File generation date: 20250829T102719.3Z
Data description: Level 2 spectral fitting results file
Data file version: fout2c3p1-8
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_v3d20250118.txt
Level 1 file used: Pandora282s1_Ilo-UNAM_20250604_L1_smca1c3d20250118p1-8.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: None
First and last pixel inside fitting window: 202 344
Nominal wavelengths inside fitting window [nm]: 305.0533 305.1939 305.3345 305.4751 305.6156 305.7562 305.8968 306.0373 306.1778 306.3184 306.4589 306.5994 306.7399 306.8803 307.0208 307.1613 307.3017 307.4421 307.5825 307.7230 307.8634 308.0037 308.1441 308.2845 308.4248 308.5652 308.7055 308.8458 308.9861 309.1264 309.2667 309.4070 309.5473 309.6875 309.8278 309.9680 310.1082 310.2484 310.3886 310.5288 310.6690 310.8091 310.9493 311.0894 311.2296 311.3697 311.5098 311.6499 311.7900 311.9300 312.0701 312.2102 312.3502 312.4902 312.6302 312.7702 312.9102 313.0502 313.1902 313.3301 313.4701 313.6100 313.7500 313.8899 314.0298 314.1697 314.3095 314.4494 314.5893 314.7291 314.8690 315.0088 315.1486 315.2884 315.4282 315.5680 315.7077 315.8475 315.9872 316.1269 316.2667 316.4064 316.5461 316.6858 316.8254 316.9651 317.1048 317.2444 317.3840 317.5236 317.6632 317.8028 317.9424 318.0820 318.2216 318.3611 318.5006 318.6402 318.7797 318.9192 319.0587 319.1982 319.3376 319.4771 319.6165 319.7560 319.8954 320.0348 320.1742 320.3136 320.4530 320.5923 320.7317 320.8710 321.0104 321.1497 321.2890 321.4283 321.5676 321.7068 321.8461 321.9854 322.1246 322.2638 322.4030 322.5422 322.6814 322.8206 322.9598 323.0990 323.2381 323.3772 323.5164 323.6555 323.7946 323.9337 324.0727 324.2118 324.3509 324.4899 324.6289 324.7679 324.9070
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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 3.136e-02 1.776e-02 1.547e-02 9.129e-03 1.563160e-01 4.539467e-03 1.690070e-03 -6.000000e+00 1.744462e-02 226.39 -2.00 3.04 -2.00 315.61 0.00e+00 2.179118e-03 4.558078e-04 1.512244e-04 -6.000000e+00 7.991867e-04 291.28 -2.00 20.00 -2.00 314.85 0.00e+00 1.307 0.000 302.00 328.00 3 7.7290e+00 1.1677e-02 1.4602e-02 -6.0000e+00 4.3119e-02 9.7083e-02 1.3018e-02 7.1912e-03 -6.0000e+00 4.6760e-02 -6.9822e-03 7.4719e-03 3.3674e-03 -6.0000e+00 2.8015e-02 -4.1712e-03 3.4742e-03 1.4093e-03 -6.0000e+00 1.2218e-02 5.4343e-05 -6.3108e-04 2.4431e-04 1.0513e-05 -6.0000e+00 7.8294e-04 -9.0704e-04 0.0000e+00 12 8 8 10 0 0 -96.69 25.22 0.55 -0.00091 -0.00565 14 14 1 5 0 2199.890 33.50 19.99 25.22 30.21 3.8 1018.85 -8113 9558 -461 8793 -8287 -16659 -1049 8202 2692 -1215 2078 -771 -4934 -2325 5584 2664 -6192 2093 5857 2847 2504 2969 1908 -3524 -1903 -1970 1151 5080 -636 -4085 2362 1305 3750 -3263 -5398 -4735 -5919 -5998 856 1134 1217 -576 -1064 2877 -251 1268 883 1790 -3312 1348 2672 -2266 535 -2054 2275 -226 -2940 66 1768 2396 882 1892 564 2635 1997 961 -1005 -1832 -2142 2691 -1079 756 1245 -214 1219 -1025 1139 -4438 -2583 -3009 -1957 -2387 -656 -899 840 -420 1889 1886 2179 92 1386 -2782 -3482 -2092 -3176 -141 -1089 -76 -153 2170 675 -680 -3082 -3678 1148 -1157 -1725 -729 1797 1170 2089 1890 1634 627 316 -1694 -952 -867 -8 2480 338 2067 -135 439 669 -369 -1630 -1268 -311 -827 -234 237 168 -573 -120 158 100 1470 39 44 -803 170 -1155 -2427 2595 -140 2270 -2176 -4390 -244 1920 738 -361 572 -213 -1555 -805 2009 1074 -2779 876 2425 1247 1123 1292 834 -1685 -927 -988 558 2216 -268 -1702 951 560 1676 -1624 -2513 -2053 -2782 -3236 514 795 843 -420 -800 2100 -188 933 700 1347 -2515 949 1913 -1813 435 -1624 1938 -180 -2446 58 1503 2003 766 1734 514 2502 1917 848 -890 -1537 -1844 2508 -1051 759 1253 -212 1239 -959 925 -3485 -1987 -2582 -1861 -2506 -657 -933 910 -498 2319 2408 2805 118 1626 -3083 -3823 -2093 -3286 -154 -1202 -92 -200 2751 816 -843 -3638 -4424 1444 -1446 -2254 -984 2447 1684 3133 2886 2409 865 396 -2184 -1187 -1116 -11 3262 476 2861 -187 582 917 -486 -2043 -1527 -388 -1106 -326 337 240 -839 -168 233 153 2266 63 69 -1233 251 -1668
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 1.255e-02 8.487e-03 5.596e-03 3.599e-03 1.656891e-01 1.792650e-03 1.743302e-03 -6.000000e+00 6.985199e-03 226.39 -2.00 3.04 -2.00 315.17 0.00e+00 8.363682e-04 1.667938e-04 2.774928e-05 -6.000000e+00 3.198986e-04 291.28 -2.00 20.00 -2.00 314.47 0.00e+00 1.384 0.000 302.00 328.00 3 6.3518e+00 4.5896e-03 1.5454e-02 -6.0000e+00 1.7266e-02 6.8061e-02 5.1086e-03 7.3854e-03 -6.0000e+00 1.8721e-02 -3.9170e-03 2.9328e-03 3.5754e-03 -6.0000e+00 1.1217e-02 -3.3756e-03 1.3461e-03 1.1032e-03 -6.0000e+00 4.8942e-03 1.9876e-04 -1.5688e-04 9.5474e-05 1.1955e-05 -6.0000e+00 3.1339e-04 -3.7467e-03 0.0000e+00 11 9 0 11 8 0 99.69 25.33 0.67 -0.00375 -0.00493 9 9 1 5 0 3186.460 33.50 20.00 25.33 32.43 3.7 1030.27 -1004 1516 136 -635 -4328 -6160 390 -230 2922 419 457 -2305 378 629 3567 -507 -126 649 2421 919 588 659 1125 50 -442 -457 -1080 1236 -710 -609 3388 1176 636 -1495 -2890 -2057 -3675 -1293 -756 -366 419 -1017 -1021 -861 22 171 -1032 -1089 -1202 92 1908 137 193 761 581 783 811 669 1420 -104 212 1106 931 2100 692 465 -994 -688 -770 255 1039 362 490 566 1416 -1080 -498 -2347 -1202 -1686 -1255 -1085 -1357 -1049 -726 -137 -22 730 961 464 1244 -734 -119 -430 -482 -276 58 936 717 749 -181 -665 -1825 -1049 -290 -419 -575 -861 -402 441 1258 699 651 51 -587 -444 -708 -83 -264 297 338 381 843 814 881 171 -830 -207 -270 -338 273 93 -29 -998 42 194 220 705 395 265 117 -687 -916 -301 480 44 -194 -1176 -1740 107 -65 887 137 143 -726 126 236 1459 -235 -59 307 1157 458 301 329 559 26 -223 -238 -566 644 -344 -280 1542 577 335 -838 -1506 -999 -1949 -707 -492 -257 319 -813 -837 -710 18 138 -821 -832 -882 71 1480 106 157 643 505 684 721 594 1223 -90 186 1027 869 2061 692 458 -890 -578 -665 248 1032 380 519 581 1362 -1032 -420 -2000 -1012 -1465 -1217 -1073 -1441 -1149 -842 -160 -27 929 1233 584 1441 -842 -122 -439 -505 -292 67 1112 920 959 -220 -800 -2064 -1194 -359 -519 -741 -1161 -559 600 1788 1017 913 71 -748 -555 -866 -104 -332 402 480 540 1165 1085 1106 221 -1016 -244 -333 -444 350 122 -38 -1360 60 293 322 1049 600 398 170 -1041 -1345