File name: Pandora104s1_Downsview_20231025_L2Fit_fout2c23d20230421p1-8.txt
File generation date: 20241127T200705.4Z
Data description: Level 2 spectral fitting results file
Data file version: fout2c23p1-8
Local principal investigator: Vitali Fioletov
Network principal investigator: Alexander Cede
Instrument type: Pandora
Instrument number: 104
Spectrometer number: 1
Processing software version used: BlickP v1.8.60
Instrument operation file used: Pandora104_OF_v10d20171009.txt
Instrument calibration file used: Pandora104s1_CF_v23d20230421.txt
Level 1 file used: Pandora104s1_Downsview_20231025_L1_smca1c23d20230421p1-8.txt
Full location name: Environment Canada HQ - Downsview
Short location name: Downsview
Country of location: Canada
Location latitude [deg]: 43.7810
Location longitude [deg]: -79.4680
Location altitude [m]: 187
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: Modification of session 18 for SO2 "based on session 14 for VP 20230421"
First and last pixel inside fitting window: 206 348
Nominal wavelengths inside fitting window [nm]: 305.0496 305.1902 305.3308 305.4713 305.6119 305.7524 305.8929 306.0334 306.1739 306.3144 306.4549 306.5954 306.7358 306.8763 307.0167 307.1571 307.2976 307.4380 307.5784 307.7187 307.8591 307.9995 308.1398 308.2801 308.4205 308.5608 308.7011 308.8414 308.9817 309.1219 309.2622 309.4024 309.5427 309.6829 309.8231 309.9633 310.1035 310.2437 310.3838 310.5240 310.6641 310.8043 310.9444 311.0845 311.2246 311.3647 311.5048 311.6448 311.7849 311.9249 312.0650 312.2050 312.3450 312.4850 312.6250 312.7650 312.9049 313.0449 313.1848 313.3248 313.4647 313.6046 313.7445 313.8844 314.0243 314.1641 314.3040 314.4438 314.5836 314.7235 314.8633 315.0031 315.1428 315.2826 315.4224 315.5621 315.7019 315.8416 315.9813 316.1210 316.2607 316.4004 316.5401 316.6797 316.8194 316.9590 317.0986 317.2382 317.3778 317.5174 317.6570 317.7966 317.9361 318.0757 318.2152 318.3547 318.4943 318.6338 318.7732 318.9127 319.0522 319.1916 319.3311 319.4705 319.6099 319.7493 319.8887 320.0281 320.1675 320.3068 320.4462 320.5855 320.7249 320.8642 321.0035 321.1428 321.2820 321.4213 321.5606 321.6998 321.8391 321.9783 322.1175 322.2567 322.3959 322.5351 322.6742 322.8134 322.9525 323.0916 323.2308 323.3699 323.5090 323.6480 323.7871 323.9262 324.0652 324.2043 324.3433 324.4823 324.6213 324.7603 324.8993
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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
Columns 97-239: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting
Columns 240-382: 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 20231025T150156.5Z 8698.626349 226 1 50.06 2 62.25 146.46 143.42 15.14 0.00 1 0.00 1 0 25 1.464e-02 6.704e-03 6.427e-03 1.840e-03 2.359985e-01 9.438870e-04 2.895471e-03 -6.000000e+00 8.510103e-03 224.49 -2.00 3.57 -2.00 317.77 0.00e+00 9.724273e-04 1.509066e-04 3.202179e-04 -6.000000e+00 3.754112e-04 279.82 -2.00 20.00 -2.00 317.07 0.00e+00 2.137 0.000 302.00 328.00 3 4.5836e+00 2.4959e-03 2.4062e-02 -6.0000e+00 2.1013e-02 2.1821e-02 2.8165e-03 1.2168e-02 -6.0000e+00 2.2812e-02 -5.0897e-03 1.7248e-03 6.0735e-03 -6.0000e+00 1.3603e-02 -7.5026e-03 8.5687e-04 1.8299e-03 -6.0000e+00 5.8068e-03 5.1819e-04 -1.1396e-04 5.5865e-05 1.9712e-05 -6.0000e+00 4.0367e-04 -1.7050e-03 0.0000e+00 11 9 0 11 8 0 99.70 22.80 0.29 -0.00170 -0.00256 46 9 1 5 0 1088.240 22.80 15.00 18.49 2354 -586 -514 639 -1398 -4421 -4916 -2567 -4655 -3805 -5675 -5329 -2189 -1378 270 786 883 2698 427 2979 639 1859 1399 1850 396 558 -1226 -1457 -1847 -1590 -839 528 -198 -1537 -4025 -2771 -1866 -1667 -68 -981 -768 -1427 390 -51 411 325 198 220 -396 459 56 1027 457 1092 690 960 804 410 -54 926 986 1888 1409 1844 285 -199 108 70 823 1574 291 590 194 375 -99 -914 -606 -1619 -1312 -1261 -1784 -1755 -1624 -2057 -501 -221 443 348 563 479 221 167 -137 23 683 233 -118 145 32 -820 -869 -690 -656 273 -502 -1266 -1137 -297 -160 1023 523 701 63 420 80 528 620 663 -55 282 -241 255 154 486 115 619 5 382 554 -425 -441 -717 -693 107 -80 425 -166 550 112 179 -356 -128 -643 228 -63 -57 67 -133 -407 -470 -269 -556 -474 -711 -669 -297 -212 47 149 174 538 91 636 145 409 311 429 99 144 -321 -362 -434 -360 -195 132 -53 -442 -1113 -776 -552 -536 -26 -436 -373 -734 203 -27 216 172 103 112 -198 226 29 562 265 660 432 610 524 268 -35 588 640 1290 1047 1451 233 -153 76 47 570 1227 251 532 177 333 -84 -708 -448 -1130 -923 -988 -1480 -1607 -1603 -2127 -542 -256 512 419 678 565 260 180 -135 22 656 244 -137 183 41 -1083 -1093 -845 -752 314 -628 -1702 -1500 -408 -228 1535 830 1143 101 630 110 720 823 910 -80 417 -372 392 231 705 168 869 7 494 750 -626 -688 -1093 -1067 170 -133 750 -303 1020 212 337 -652 -226 -1105
SS 20231025T151205.3Z 8698.633394 232 1 49.72 2 61.28 149.05 142.86 19.03 0.00 1 0.00 1 0 17 1.484e-02 7.312e-03 1.071e-02 3.120e-03 2.278394e-01 1.596667e-03 2.808577e-03 -6.000000e+00 8.629869e-03 224.49 -2.00 3.57 -2.00 317.75 0.00e+00 9.104108e-04 2.536716e-04 2.813040e-04 -6.000000e+00 3.806458e-04 279.82 -2.00 20.00 -2.00 317.06 0.00e+00 2.071 0.000 302.00 328.00 3 5.2905e+00 4.2189e-03 2.3313e-02 -6.0000e+00 2.1309e-02 3.7395e-02 4.7587e-03 1.1783e-02 -6.0000e+00 2.3132e-02 -1.6464e-03 2.9087e-03 5.8746e-03 -6.0000e+00 1.3794e-02 -7.8688e-03 1.4444e-03 1.7659e-03 -6.0000e+00 5.8891e-03 2.7350e-04 -5.7570e-05 9.5331e-05 1.9413e-05 -6.0000e+00 4.0944e-04 -2.4404e-03 0.0000e+00 11 9 0 11 8 0 99.96 22.80 0.26 -0.00244 -0.00287 47 10 1 5 0 1057.670 22.80 14.99 18.51 171 -1585 -3436 -1003 -4917 -2975 -263 2703 -3086 -3520 -3553 -4159 -466 -1550 2237 -1315 1543 -1274 3784 1000 5073 -178 1489 1584 350 -43 -2038 -1157 -744 355 -314 2461 539 122 -4163 -2968 -4300 -1203 -1586 -274 -816 -708 -738 18 -877 234 129 -554 -961 -147 1266 927 996 1879 1296 791 1816 -375 -276 325 1832 2014 1148 1584 474 -1059 356 -91 727 1389 -198 833 212 581 248 -731 -1043 -1358 -1443 -930 -2233 -1526 -2078 -1678 -709 -443 54 795 624 768 53 72 -501 208 710 94 -175 171 530 -944 -467 -820 -704 262 -578 -1420 -973 -320 163 1018 443 965 77 504 -259 850 398 542 -368 254 -307 92 -175 868 413 664 -462 51 351 -37 -349 -685 -772 -131 28 653 -324 405 203 150 -194 22 -702 17 -176 -400 -109 -497 -279 -25 278 -373 -449 -449 -531 -64 -244 386 -257 306 -267 788 221 1116 -41 336 375 88 -11 -546 -293 -177 81 -75 615 147 35 -1176 -802 -1253 -392 -615 -122 -397 -361 -390 9 -468 125 68 -286 -488 -74 648 510 576 1128 806 503 1172 -248 -179 209 1185 1382 853 1242 383 -818 250 -62 507 1082 -170 740 191 511 208 -569 -741 -911 -979 -692 -1868 -1387 -2040 -1702 -754 -502 64 974 769 929 61 77 -496 194 683 98 -199 211 698 -1271 -601 -986 -797 298 -710 -1866 -1316 -450 236 1544 705 1569 123 765 -367 1130 520 728 -521 384 -481 144 -268 1288 589 916 -613 66 472 -53 -527 -1064 -1213 -211 47 1150 -590 747 381 280 -354 40 -1220