File name: Pandora94s1_GuatemalaCity_20250919_L2Fit_fout2c3d20250101p1-8.txt
File generation date: 20250924T155758.3Z
Data description: Level 2 spectral fitting results file
Data file version: fout2c3p1-8
Local principal investigator: Daniel Alvarez
Network principal investigator: Alexander Cede
Instrument type: Pandora
Instrument number: 94
Spectrometer number: 1
Processing software version used: BlickP v1.8.75
Instrument operation file used: Pandora94_OF_v3d20240409.txt
Instrument calibration file used: Pandora94s1_CF_v3d20250101.txt
Level 1 file used: Pandora94s1_GuatemalaCity_20250919_L1_smca1c3d20250101p1-8.txt
Full location name: Ciudad de Guatemala
Short location name: GuatemalaCity
Country of location: Guatemala
Location latitude [deg]: 14.6192
Location longitude [deg]: -90.4838
Location altitude [m]: 1547
Local noon date: 20250919
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 2
First and last pixel inside fitting window: 200 342
Nominal wavelengths inside fitting window [nm]: 305.0134 305.1540 305.2945 305.4351 305.5756 305.7162 305.8567 305.9972 306.1377 306.2782 306.4187 306.5592 306.6996 306.8401 306.9805 307.1209 307.2614 307.4018 307.5422 307.6825 307.8229 307.9633 308.1036 308.2440 308.3843 308.5246 308.6649 308.8052 308.9455 309.0858 309.2261 309.3663 309.5066 309.6468 309.7870 309.9272 310.0674 310.2076 310.3478 310.4880 310.6281 310.7683 310.9084 311.0485 311.1886 311.3287 311.4688 311.6089 311.7490 311.8890 312.0291 312.1691 312.3091 312.4491 312.5891 312.7291 312.8691 313.0091 313.1490 313.2890 313.4289 313.5688 313.7087 313.8486 313.9885 314.1284 314.2683 314.4081 314.5480 314.6878 314.8276 314.9675 315.1073 315.2471 315.3868 315.5266 315.6664 315.8061 315.9458 316.0856 316.2253 316.3650 316.5047 316.6443 316.7840 316.9237 317.0633 317.2029 317.3426 317.4822 317.6218 317.7614 317.9009 318.0405 318.1801 318.3196 318.4591 318.5986 318.7382 318.8777 319.0171 319.1566 319.2961 319.4355 319.5750 319.7144 319.8538 319.9932 320.1326 320.2720 320.4114 320.5507 320.6901 320.8294 320.9688 321.1081 321.2474 321.3867 321.5260 321.6652 321.8045 321.9437 322.0830 322.2222 322.3614 322.5006 322.6398 322.7790 322.9182 323.0573 323.1965 323.3356 323.4747 323.6138 323.7529 323.8920 324.0311 324.1702 324.3092 324.4483 324.5873 324.7263 324.8653
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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 20250919T214709.2Z 9393.907746 119 1 52.86 2 58.75 262.25 76.76 277.72 0.00 1 0.00 1 0 17 1.792e-02 9.991e-03 6.274e-03 2.718e-03 2.361293e-01 1.356105e-03 2.548269e-03 -6.000000e+00 9.978278e-03 226.48 -2.00 3.09 -2.00 316.44 0.00e+00 -1.039219e-05 1.595182e-04 1.354203e-04 -6.000000e+00 4.454944e-04 286.42 -2.00 20.00 -2.00 315.71 0.00e+00 1.920 0.000 302.00 328.00 3 6.2184e+00 3.5206e-03 1.9193e-02 -6.0000e+00 2.4734e-02 3.1151e-02 3.9288e-03 1.0675e-02 -6.0000e+00 2.6737e-02 1.4007e-02 2.3243e-03 5.2575e-03 -6.0000e+00 1.5956e-02 -1.4138e-02 1.1519e-03 1.5153e-03 -6.0000e+00 7.1082e-03 1.5845e-04 -8.1342e-04 7.0397e-05 1.5505e-05 -6.0000e+00 4.3442e-04 -5.6324e-02 0.0000e+00 12 8 8 10 0 0 99.81 24.88 1.86 -0.05632 -0.06244 14 1 1 5 0 3775.220 32.50 20.00 24.88 29.23 2.3 987.98 900000 -1317 44 -4637 -2926 -3422 -7327 7238 -158 -1036 5490 -2485 -1104 -3110 -1404 272 -1330 2593 1980 1628 -312 532 1702 -1013 3824 600 -1045 1037 -152 -286 279 -520 8020 1638 -1350 -2706 -195 -2167 -1839 -1233 -1355 -241 -1672 624 -1738 276 41 544 49 -2046 -427 -258 1384 1252 282 965 1115 1095 1922 -855 559 -838 1489 2564 2793 187 -714 -1792 -1928 -1650 3 344 805 842 1019 293 78 -2067 -1939 -987 -1310 -1564 -1473 -2131 -1722 -134 23 208 441 1882 876 1479 -949 -850 -957 -379 41 822 1065 1104 137 -332 -1088 -1727 -640 -725 -1024 -756 -488 -519 1176 1089 1559 855 -322 -231 -770 -107 -492 214 254 292 158 812 161 828 150 -1605 -435 7 -183 167 -206 -545 -341 450 188 447 124 298 261 -158 -1129 900000 -224 8 -880 -494 -505 -1099 1018 -27 -202 1039 -488 -220 -721 -333 72 -389 745 594 508 -103 177 545 -343 1317 225 -414 396 -54 -94 90 -181 2757 657 -566 -1034 -72 -900 -898 -667 -854 -162 -1178 442 -1164 195 29 372 32 -1358 -279 -179 1013 891 213 742 872 875 1508 -671 429 -673 1264 2343 2527 171 -639 -1490 -1550 -1424 3 341 824 856 995 267 68 -1658 -1465 -773 -1174 -1465 -1524 -2354 -1962 -151 28 265 542 2437 1100 1696 -1083 -874 -946 -398 47 975 1403 1453 178 -429 -1290 -1926 -738 -926 -1292 -993 -667 -741 1660 1627 2344 1238 -464 -301 -1002 -138 -667 291 373 440 234 1164 222 1145 200 -2029 -541 10 -246 237 -298 -799 -517 680 301 728 207 505 431 -252 -1748
SS 20250919T215255.5Z 9393.911753 122 1 54.96 2 60.14 262.72 78.11 278.01 0.00 1 0.00 1 0 17 1.559e-02 9.506e-03 4.182e-03 1.917e-03 2.391881e-01 9.577482e-04 2.565550e-03 -6.000000e+00 8.678083e-03 226.48 -2.00 3.09 -2.00 316.28 0.00e+00 4.816248e-04 1.093469e-04 1.345117e-04 -6.000000e+00 3.874167e-04 286.42 -2.00 20.00 -2.00 315.57 0.00e+00 2.000 0.000 302.00 328.00 3 5.6177e+00 2.4780e-03 1.9780e-02 -6.0000e+00 2.1511e-02 1.9145e-02 2.7604e-03 1.0745e-02 -6.0000e+00 2.3253e-02 1.1951e-02 1.6224e-03 5.3003e-03 -6.0000e+00 1.3876e-02 -1.1051e-02 8.0124e-04 1.5163e-03 -6.0000e+00 6.1825e-03 2.7057e-04 -7.1726e-04 4.9208e-05 1.5316e-05 -6.0000e+00 3.7775e-04 -5.6940e-02 0.0000e+00 12 9 8 11 8 0 99.83 24.91 1.17 -0.05694 -0.06233 17 2 1 5 0 3232.430 32.50 20.01 24.91 29.58 2.3 989.54 900000 -148 -1010 -2304 -3413 -2173 -6590 5888 1632 -402 3426 -1601 -2376 236 -3124 1175 389 605 1203 942 46 1643 1985 386 3029 494 536 -444 -2158 -1348 1075 -123 4807 1130 -1799 -4266 -1557 -3748 -2336 -1293 -237 -426 -1104 79 -798 359 75 565 -488 -1373 -445 343 1147 1597 745 781 1162 1208 979 -75 -337 -61 1933 2147 2967 455 -541 -1325 -2292 -926 225 526 1151 768 822 574 -888 -1675 -2337 -954 -1652 -1860 -1225 -2394 -1719 -334 46 601 880 1350 534 1178 -102 -664 -1124 -726 -219 377 1163 931 239 -90 -1069 -1996 -934 -568 -792 -380 -156 -21 982 791 1246 1175 -89 -212 -866 -270 -365 366 660 253 108 616 86 672 9 -1049 -560 -423 -140 200 -234 -481 -301 220 308 340 512 461 -79 -332 -1017 900000 -26 -189 -441 -599 -360 -1115 952 286 -80 678 -319 -493 55 -857 353 128 203 417 311 16 568 667 135 1102 194 219 -180 -823 -471 396 -45 1808 483 -804 -1757 -614 -1679 -1216 -747 -146 -284 -768 56 -570 252 53 387 -327 -906 -290 237 845 1231 569 611 921 978 786 -59 -265 -50 1663 1882 2760 429 -494 -1121 -1893 -813 212 538 1144 762 832 541 -805 -1374 -1951 -769 -1530 -1819 -1240 -2600 -1920 -374 55 758 1082 1654 670 1347 -113 -712 -1165 -752 -251 449 1450 1241 314 -117 -1268 -2367 -1082 -726 -1009 -503 -215 -28 1421 1157 1835 1741 -123 -282 -1137 -352 -473 506 934 369 155 856 121 889 12 -1331 -704 -573 -193 289 -329 -685 -443 345 484 547 842 768 -129 -523 -1548