File name: Pandora170s1_StGeorge_20241119_L2Fit_fout2c8d20220508p1-8.txt File generation date: 20241120T051226.3Z Data description: Level 2 spectral fitting results file Data file version: fout2c8p1-8 Local principal investigator: Vitali Fioletov Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 170 Spectrometer number: 1 Processing software version used: BlickP v1.8.60 Instrument operation file used: Pandora170_OF_v11d20200302.txt Instrument calibration file used: Pandora170s1_CF_v8d20220508.txt Level 1 file used: Pandora170s1_StGeorge_20241119_L1_smca1c8d20220508p1-8.txt Full location name: University of Toronto - Downtown (St. George) campus Short location name: StGeorge Country of location: Canada Location latitude [deg]: 43.6605 Location longitude [deg]: -79.3986 Location altitude [m]: 176 Local noon date: 20241119 Notes on s-number (L1 configuration): Corrections NOT applied although requested by the s-number are latency correction, radiometric temperature correction, matrix method stray light correction (replaced by simple method) Data caveats: None First and last pixel inside fitting window: 215 357 Nominal wavelengths inside fitting window [nm]: 305.0405 305.1816 305.3227 305.4638 305.6048 305.7458 305.8869 306.0279 306.1689 306.3099 306.4509 306.5918 306.7328 306.8737 307.0147 307.1556 307.2965 307.4374 307.5783 307.7192 307.8600 308.0009 308.1417 308.2826 308.4234 308.5642 308.7050 308.8458 308.9866 309.1273 309.2681 309.4088 309.5496 309.6903 309.8310 309.9717 310.1124 310.2530 310.3937 310.5344 310.6750 310.8156 310.9562 311.0968 311.2374 311.3780 311.5186 311.6591 311.7997 311.9402 312.0808 312.2213 312.3618 312.5023 312.6427 312.7832 312.9237 313.0641 313.2045 313.3450 313.4854 313.6258 313.7662 313.9065 314.0469 314.1873 314.3276 314.4679 314.6082 314.7486 314.8889 315.0291 315.1694 315.3097 315.4499 315.5902 315.7304 315.8706 316.0108 316.1510 316.2912 316.4314 316.5715 316.7117 316.8518 316.9919 317.1320 317.2721 317.4122 317.5523 317.6924 317.8324 317.9725 318.1125 318.2525 318.3925 318.5325 318.6725 318.8125 318.9525 319.0924 319.2323 319.3723 319.5122 319.6521 319.7920 319.9319 320.0717 320.2116 320.3515 320.4913 320.6311 320.7709 320.9107 321.0505 321.1903 321.3301 321.4698 321.6096 321.7493 321.8890 322.0287 322.1684 322.3081 322.4478 322.5875 322.7271 322.8668 323.0064 323.1460 323.2856 323.4252 323.5648 323.7044 323.8439 323.9835 324.1230 324.2625 324.4021 324.5416 324.6810 324.8205 324.9600 --------------------------------------------------------------------------------------- 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 20241119T172847.5Z 9089.728327 449 1 4.78 2 63.62 186.73 97.17 317.41 0.00 1 0.00 1 0 17 2.139e-02 1.007e-02 1.332e-02 4.947e-03 2.761592e-01 2.449961e-03 3.364709e-03 -6.000000e+00 1.199595e-02 222.52 -2.00 3.57 -2.00 316.83 0.00e+00 6.111615e-04 3.161270e-04 1.163715e-04 -6.000000e+00 5.283959e-04 276.72 -2.00 20.00 -2.00 316.22 0.00e+00 2.238 0.000 302.00 328.00 3 3.6949e+00 6.3527e-03 2.5864e-02 -6.0000e+00 2.9513e-02 3.8578e-02 7.1591e-03 1.3969e-02 -6.0000e+00 3.2218e-02 -1.5343e-03 4.2525e-03 6.9663e-03 -6.0000e+00 1.9204e-02 -8.8542e-03 2.0712e-03 2.0371e-03 -6.0000e+00 8.1547e-03 1.0587e-03 -7.5358e-05 1.4058e-04 2.2919e-05 -6.0000e+00 5.8115e-04 -3.4887e-05 0.0000e+00 12 9 9 12 1 1 999.00 23.12 0.43 -0.00003 -0.00060 2 6 1 5 0 1591.170 27.05 20.00 23.12 16.12 12.0 992.99 3332 -12117 6385 1367 1235 -4649 5344 780 -3302 -290 -7290 -3776 -2237 3734 2736 3668 -818 1189 334 1819 -2265 1703 2107 -500 1776 515 1976 -2049 -729 -2101 839 -349 3995 -1101 -3799 -3546 -7825 -1598 430 -601 -454 169 -2548 -509 -124 374 587 -666 -821 -746 1448 1583 528 906 727 1412 983 1572 1010 188 53 1403 1105 3303 360 -501 -159 -2629 1638 1402 692 552 1875 958 127 -235 -1104 -1608 -842 -1400 -1171 -1159 -2958 -2071 -1726 -1043 455 299 1082 285 1237 244 -978 -807 -830 -886 731 1186 817 427 -395 -1100 -1806 195 -1035 -1317 176 -863 243 531 848 858 239 -291 -922 121 676 -60 393 125 205 197 509 732 647 -101 -441 988 550 119 609 -694 -754 -11 -59 -1 371 610 212 101 -103 -1106 -790 406 -1870 862 185 153 -574 626 106 -517 -47 -1248 -640 -413 745 624 906 -220 325 96 531 -697 507 632 -160 588 178 675 -695 -233 -667 271 -123 1456 -428 -1454 -1321 -3187 -699 213 -336 -271 104 -1638 -325 -79 238 370 -417 -509 -465 921 1058 371 658 540 1061 751 1194 761 142 41 1122 937 2883 321 -430 -130 -2143 1354 1258 660 542 1826 918 117 -204 -901 -1275 -685 -1233 -1114 -1172 -3151 -2264 -1957 -1229 549 368 1327 344 1422 267 -1023 -830 -884 -1004 875 1503 1076 559 -501 -1330 -2129 232 -1296 -1710 233 -1178 340 772 1269 1294 355 -416 -1262 159 885 -81 551 182 302 287 730 1026 882 -134 -572 1277 743 169 884 -1030 -1133 -17 -93 -1 613 1017 356 167 -167 -1765 -1247 SS 20241119T174229.7Z 9089.737844 456 1 50.17 2 63.99 190.31 98.76 319.89 0.00 1 0.00 1 0 17 1.323e-02 7.829e-03 4.095e-03 9.702e-04 2.745890e-01 4.770202e-04 3.306451e-03 -6.000000e+00 7.421335e-03 222.52 -2.00 3.57 -2.00 317.98 0.00e+00 5.747810e-04 8.225896e-05 1.845341e-04 -6.000000e+00 3.268515e-04 276.72 -2.00 20.00 -2.00 317.35 0.00e+00 2.267 0.000 302.00 328.00 3 2.5440e+00 1.2646e-03 2.6065e-02 -6.0000e+00 1.8258e-02 -8.6961e-04 1.4366e-03 1.3921e-02 -6.0000e+00 1.9931e-02 2.5769e-02 9.1205e-04 6.9703e-03 -6.0000e+00 1.1880e-02 -1.9324e-02 4.6642e-04 2.0650e-03 -6.0000e+00 5.0455e-03 3.2998e-03 2.6171e-04 2.8390e-05 2.2011e-05 -6.0000e+00 3.5947e-04 -1.0031e-03 0.0000e+00 11 8 0 10 0 0 100.00 23.12 0.18 -0.00100 0.00096 1194 239 1 5 0 41.830 27.05 20.00 23.12 16.59 12.1 992.99 3914 687 1691 2055 -2298 1420 1967 5028 3175 461 -1588 -2127 831 -1001 1137 178 -878 178 -580 981 694 681 1609 2017 946 1875 64 -1441 -1192 -1420 659 919 3199 -686 -3912 -3563 -3206 -2201 -234 -1245 -1660 -1245 -1177 -1051 -829 -38 -760 -428 -1546 -610 347 751 746 899 511 1035 878 197 292 -101 775 1561 1707 2633 419 -672 -941 -1626 867 1595 670 995 619 1169 780 -199 -511 -1973 -305 -876 -948 -1050 -2646 -1923 -1017 -496 422 772 1136 1001 781 414 -664 -193 -22 -119 370 1215 751 -34 -373 -1898 -942 -43 -802 -1428 -830 -1222 -422 635 694 499 292 40 -393 -219 -8 -234 593 250 89 340 662 195 802 -20 -700 836 284 230 165 -857 -545 -43 141 -154 165 720 313 79 170 -850 -619 286 58 146 168 -183 102 147 413 289 46 -161 -222 94 -130 167 29 -154 31 -107 186 135 132 324 414 209 429 15 -324 -259 -303 145 215 797 -184 -1029 -906 -872 -695 -85 -532 -762 -601 -585 -528 -416 -19 -376 -207 -743 -293 174 403 426 540 309 640 553 124 186 -64 504 1051 1252 2043 325 -505 -655 -1110 617 1275 576 891 556 1006 646 -150 -359 -1339 -213 -675 -825 -983 -2620 -1986 -1111 -563 502 944 1383 1177 878 437 -650 -183 -22 -129 433 1556 1000 -46 -477 -2310 -1079 -51 -999 -1899 -1118 -1729 -625 971 1093 798 461 59 -549 -296 -10 -329 866 380 139 520 1004 285 1141 -28 -915 1117 398 339 255 -1344 -869 -72 241 -277 298 1319 577 146 302 -1468 -1074