File name: Pandora39s1_DearbornMI_20231025_L2Fit_fout2c4d20210608p1-8.txt File generation date: 20250218T012916.0Z Data description: Level 2 spectral fitting results file Data file version: fout2c4p1-8 Local principal investigator: Lukas Valin Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 39 Spectrometer number: 1 Processing software version used: BlickP v1.8.70 Instrument operation file used: Pandora39_OF_v3d20200924.txt Instrument calibration file used: Pandora39s1_CF_v4d20210608.txt Level 1 file used: Pandora39s1_DearbornMI_20231025_L1_smca1c4d20210608p1-8.txt Full location name: Dearborn MI - Salina Elementary School (AQS-26-163-0033) Short location name: DearbornMI Country of location: USA Location latitude [deg]: 42.3067 Location longitude [deg]: -83.1488 Location altitude [m]: 181 Local noon date: 20231025 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: 260 402 Nominal wavelengths inside fitting window [nm]: 305.1016 305.2419 305.3822 305.5225 305.6628 305.8031 305.9434 306.0837 306.2239 306.3642 306.5044 306.6446 306.7848 306.9250 307.0652 307.2054 307.3455 307.4857 307.6258 307.7659 307.9061 308.0462 308.1862 308.3263 308.4664 308.6064 308.7465 308.8865 309.0265 309.1665 309.3065 309.4465 309.5865 309.7264 309.8664 310.0063 310.1462 310.2861 310.4260 310.5659 310.7058 310.8456 310.9855 311.1253 311.2651 311.4049 311.5447 311.6845 311.8243 311.9641 312.1038 312.2435 312.3833 312.5230 312.6627 312.8024 312.9420 313.0817 313.2214 313.3610 313.5006 313.6402 313.7799 313.9194 314.0590 314.1986 314.3381 314.4777 314.6172 314.7567 314.8962 315.0357 315.1752 315.3147 315.4542 315.5936 315.7330 315.8725 316.0119 316.1513 316.2906 316.4300 316.5694 316.7087 316.8481 316.9874 317.1267 317.2660 317.4053 317.5445 317.6838 317.8231 317.9623 318.1015 318.2407 318.3799 318.5191 318.6583 318.7974 318.9366 319.0757 319.2149 319.3540 319.4931 319.6322 319.7712 319.9103 320.0494 320.1884 320.3274 320.4664 320.6054 320.7444 320.8834 321.0224 321.1613 321.3003 321.4392 321.5781 321.7170 321.8559 321.9948 322.1336 322.2725 322.4113 322.5501 322.6890 322.8278 322.9666 323.1053 323.2441 323.3828 323.5216 323.6603 323.7990 323.9377 324.0764 324.2151 324.3538 324.4924 324.6311 324.7697 324.9083 --------------------------------------------------------------------------------------- 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 --------------------------------------------------------------------------------------- SS 20231025T134442.3Z 8698.572712 179 1 26.96 2 72.92 125.23 144.20 337.62 0.00 1 0.00 1 0 17 5.860e-02 7.037e-03 4.386e-02 4.187e-03 3.632284e-01 2.128851e-03 4.330513e-03 -6.000000e+00 3.363250e-02 224.75 -2.00 3.54 -2.00 319.25 0.00e+00 -8.653643e-05 5.389519e-04 2.760055e-04 -6.000000e+00 1.488547e-03 281.00 -2.00 20.00 -2.00 318.57 0.00e+00 3.355 0.001 302.00 328.00 3 4.0841e+00 5.9190e-03 3.7652e-02 -6.0000e+00 8.3005e-02 -1.1183e-02 6.8977e-03 1.8938e-02 -6.0000e+00 9.0199e-02 1.2468e-02 5.1617e-03 9.4129e-03 -6.0000e+00 5.3796e-02 -1.3578e-02 2.7096e-03 2.7232e-03 -6.0000e+00 2.3039e-02 2.2772e-04 -1.5422e-04 1.2856e-04 3.2206e-05 -6.0000e+00 1.6526e-03 5.8031e-03 -4.8457e-05 12 9 1 12 1 1 99.94 22.15 0.36 0.00580 0.00464 18 8 1 5 0 1418.510 26.21 20.00 22.15 24.89 18.6 989.54 35967 -13220 11025 11970 -10513 25084 -4043 9794 -25536 9353 -24812 -6943 -4084 -8002 7878 -4876 6567 -2735 8057 -4452 304 -2169 -413 5977 -347 3455 -3070 1138 -6835 9230 -323 5183 1699 -4353 19 -4251 806 -3097 907 -3734 -250 -645 -1914 567 -2147 -598 -969 1661 -2549 2880 897 -352 27 402 964 107 1568 -1499 1230 1498 2087 172 1798 2534 -113 -66 -178 492 228 855 -483 1432 60 153 681 -922 35 -819 285 -1633 -208 -1849 -1967 -2187 -1001 -113 259 746 296 762 178 1830 -569 256 547 337 756 834 78 -972 218 -1172 263 603 -718 -385 -866 -737 -906 469 -140 525 -78 44 -156 330 503 -214 423 -414 -469 -387 113 214 371 528 -360 1914 319 20 -51 -128 -75 83 76 137 -228 386 98 -158 110 -386 -485 740 -466 323 322 -326 551 -131 313 -1243 352 -1285 -329 -220 -529 517 -389 518 -242 673 -439 29 -214 -42 616 -40 405 -382 128 -799 987 -40 678 253 -701 3 -660 133 -628 214 -1037 -74 -200 -623 182 -712 -196 -316 525 -844 935 320 -138 11 178 442 51 752 -739 578 701 1008 92 1001 1504 -69 -38 -102 279 135 570 -357 1083 46 111 458 -568 21 -468 172 -1103 -157 -1528 -1753 -2063 -1000 -120 278 824 329 813 184 1711 -509 232 509 351 852 1049 102 -1275 276 -1385 297 691 -869 -493 -1132 -1017 -1329 709 -227 874 -128 68 -232 462 697 -310 649 -659 -763 -621 177 331 546 743 -507 2642 464 31 -84 -220 -133 147 144 266 -457 788 203 -321 214 -748 -915 SS 20231025T163422.7Z 8698.690540 293 1 48.57 2 55.34 167.40 137.70 42.80 0.00 1 0.00 1 0 17 1.120e-02 6.533e-03 5.936e-03 2.464e-03 1.959361e-01 1.245275e-03 2.410891e-03 -6.000000e+00 6.430974e-03 224.74 -2.00 3.54 -2.00 316.83 0.00e+00 1.513553e-04 1.582752e-04 6.655541e-05 -6.000000e+00 2.845155e-04 280.99 -2.00 20.00 -2.00 316.14 0.00e+00 1.753 0.000 302.00 328.00 3 5.4159e+00 3.2414e-03 1.9806e-02 -6.0000e+00 1.5872e-02 -3.1364e-03 3.6390e-03 1.0077e-02 -6.0000e+00 1.7246e-02 2.8486e-03 2.1374e-03 4.9828e-03 -6.0000e+00 1.0285e-02 -5.9287e-03 1.0236e-03 1.4233e-03 -6.0000e+00 4.4063e-03 3.5237e-04 -2.8007e-05 7.4173e-05 1.7858e-05 -6.0000e+00 3.1588e-04 3.8324e-03 -4.5059e-05 11 9 0 11 8 0 99.61 22.17 0.43 0.00383 0.00362 19 4 1 5 0 2555.790 26.21 19.99 22.17 26.82 18.7 1001.36 -1889 194 -2778 1829 -4405 -2128 -2961 2583 2082 -2341 -1900 -1904 1815 -2744 1212 -1184 451 492 715 1214 -742 1666 -293 1297 118 865 -627 674 316 1216 2192 1246 1079 -2337 -542 -1197 -1895 -1496 -853 -1021 -1695 -75 -435 -70 -933 -325 -1471 774 -777 598 1351 467 1002 671 718 392 1162 127 1035 601 1081 1845 858 1725 -785 494 -107 -68 189 442 180 529 361 50 595 -839 -1 -1060 130 -1225 -889 -1329 -2572 -1111 -955 -467 -277 201 320 161 484 334 180 273 568 24 277 609 119 -667 -69 -544 -571 670 -908 -912 -627 -606 -319 491 470 49 296 -376 39 -265 783 260 372 202 -19 -192 100 302 382 820 -564 1507 894 18 99 -280 30 -297 527 19 -278 496 -15 -131 -240 -400 -752 -316 33 -489 279 -642 -312 -451 415 367 -442 -350 -364 371 -661 312 -334 128 144 216 374 -235 512 -94 432 42 309 -223 220 96 364 680 414 382 -855 -182 -406 -714 -654 -440 -582 -1047 -47 -282 -45 -607 -209 -929 462 -459 364 821 304 681 478 525 292 870 96 759 442 820 1488 723 1511 -691 410 -83 -51 150 393 168 514 351 47 539 -696 -1 -785 95 -1003 -808 -1281 -2672 -1193 -1097 -551 -344 256 410 200 573 361 178 269 557 26 329 765 159 -883 -86 -656 -654 778 -1116 -1189 -853 -863 -457 736 737 77 453 -541 53 -337 1008 336 514 300 -29 -286 146 437 524 1065 -733 1896 1141 25 143 -416 45 -444 823 31 -460 836 -25 -222 -409 -663 -1220