File name: Pandora284s1_Downsview_20260614_L2Fit_fout2c2d20241105p1-8.txt
File generation date: 20260615T052212.7Z
Data description: Level 2 spectral fitting results file
Data file version: fout2c2p1-8
Local principal investigator: Vitali Fioletov
Network principal investigator: Alexander Cede
Instrument type: Pandora
Instrument number: 284
Spectrometer number: 1
Processing software version used: BlickP v1.8.88
Instrument operation file used: Pandora284_OF_v3d20240708.txt
Instrument calibration file used: Pandora284s1_CF_v2d20241105.txt
Level 1 file used: Pandora284s1_Downsview_20260614_L1_smca1c2d20241105p1-8.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: 20260614
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: OoB session based off of session 1
First and last pixel inside fitting window: 195 338
Nominal wavelengths inside fitting window [nm]: 305.0011 305.1417 305.2823 305.4229 305.5635 305.7040 305.8446 305.9851 306.1256 306.2662 306.4067 306.5471 306.6876 306.8281 306.9686 307.1090 307.2494 307.3899 307.5303 307.6707 307.8111 307.9515 308.0918 308.2322 308.3725 308.5129 308.6532 308.7935 308.9338 309.0741 309.2144 309.3547 309.4949 309.6352 309.7754 309.9156 310.0559 310.1961 310.3363 310.4764 310.6166 310.7568 310.8969 311.0371 311.1772 311.3173 311.4574 311.5975 311.7376 311.8777 312.0177 312.1578 312.2978 312.4378 312.5779 312.7179 312.8579 312.9978 313.1378 313.2778 313.4177 313.5577 313.6976 313.8375 313.9774 314.1173 314.2572 314.3970 314.5369 314.6768 314.8166 314.9564 315.0962 315.2360 315.3758 315.5156 315.6554 315.7951 315.9349 316.0746 316.2143 316.3541 316.4938 316.6335 316.7731 316.9128 317.0525 317.1921 317.3317 317.4714 317.6110 317.7506 317.8902 318.0297 318.1693 318.3089 318.4484 318.5879 318.7275 318.8670 319.0065 319.1460 319.2854 319.4249 319.5644 319.7038 319.8432 319.9827 320.1221 320.2615 320.4009 320.5402 320.6796 320.8189 320.9583 321.0976 321.2369 321.3762 321.5155 321.6548 321.7941 321.9333 322.0726 322.2118 322.3511 322.4903 322.6295 322.7687 322.9079 323.0470 323.1862 323.3253 323.4645 323.6036 323.7427 323.8818 324.0209 324.1600 324.2990 324.4381 324.5771 324.7162 324.8552 324.9942
---------------------------------------------------------------------------------------
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 100-243: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting
Columns 244-387: 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 20260614T123332.5Z 9661.523293 150 1 54.84 2 60.83 84.73 51.95 87.23 0.00 1 0.00 1 0 17 1.593e-02 5.056e-03 1.317e-02 2.212e-03 2.932740e-01 1.111261e-03 3.523210e-03 -6.000000e+00 9.139623e-03 232.82 -2.00 3.57 -2.00 318.64 0.00e+00 3.351933e-04 2.255226e-04 2.959713e-04 -6.000000e+00 3.983094e-04 283.95 -2.00 20.00 -2.00 317.85 0.00e+00 2.042 0.000 302.00 328.00 3 3.8339e+00 3.0579e-03 2.5614e-02 -6.0000e+00 2.2984e-02 -3.6616e-03 3.4897e-03 1.5800e-02 -6.0000e+00 2.4888e-02 1.2195e-03 2.3044e-03 7.6461e-03 -6.0000e+00 1.4768e-02 -6.0252e-03 1.1904e-03 2.0754e-03 -6.0000e+00 6.2261e-03 1.0810e-03 6.7659e-06 6.3929e-05 2.1978e-05 -6.0000e+00 4.1668e-04 -3.5203e-02 1.2597e-04 10 0 0 10 0 0 99.99 22.39 0.50 -0.03520 -0.03515 131 12 2 5 0 418.620 29.75 15.00 22.39 24.11 1.4 971.91 900000 3609 342 -3951 -6975 -7528 -6030 1757 -1199 -68 -5898 357 2354 -1715 1195 1232 -43 -2587 -1197 386 2325 386 -1489 -617 1613 -7 375 1055 -2799 -1540 -2631 -522 1134 3057 -203 -2272 -2995 -4486 -1179 -226 -1066 -119 -649 -1277 -712 -218 785 -273 -517 163 213 679 349 542 291 517 1103 911 42 -360 569 941 1344 2116 1561 495 -57 -463 -620 335 969 527 447 784 459 -171 -146 -695 -494 -1002 -342 -937 -1506 -1711 -966 -793 -495 -230 307 747 396 406 -191 -121 110 77 -59 557 672 -27 -214 -768 -859 -893 -473 -984 -555 -356 -512 463 597 513 440 348 66 -158 277 78 122 -116 -157 -96 87 197 160 373 5 229 476 402 19 -210 -264 -221 273 -104 -80 270 218 142 8 -81 -223 -516 900000 184 19 -236 -393 -381 -297 88 -70 -4 -415 23 159 -139 110 130 -5 -322 -169 56 345 59 -230 -98 268 -1 69 190 -489 -250 -435 -92 215 621 -43 -453 -602 -1022 -309 -71 -391 -47 -267 -544 -303 -92 329 -113 -211 65 87 295 164 269 153 279 607 511 24 -198 310 531 819 1397 1103 348 -37 -282 -374 218 716 425 374 648 364 -126 -97 -419 -287 -625 -241 -750 -1337 -1620 -952 -838 -559 -273 373 900 459 434 -187 -109 97 73 -63 652 872 -37 -289 -972 -995 -983 -542 -1234 -730 -489 -737 698 964 797 690 577 102 -225 371 105 173 -177 -254 -159 141 310 240 532 7 296 622 567 29 -338 -437 -372 479 -195 -143 494 407 266 15 -157 -416 -945
SS 20260614T125935.9Z 9661.541388 162 1 55.06 2 56.13 89.09 47.39 91.46 0.00 1 0.00 1 0 17 3.832e-02 1.036e-02 3.809e-02 8.821e-03 2.645454e-01 4.423711e-03 3.185782e-03 -6.000000e+00 2.198042e-02 232.82 -2.00 3.57 -2.00 318.34 0.00e+00 2.696879e-04 8.003363e-04 8.255873e-05 -6.000000e+00 9.582366e-04 283.95 -2.00 20.00 -2.00 317.51 0.00e+00 1.789 0.000 302.00 328.00 3 5.6733e+00 1.2108e-02 2.2689e-02 -6.0000e+00 5.5275e-02 5.6427e-02 1.3710e-02 1.4184e-02 -6.0000e+00 5.9859e-02 -1.5292e-02 8.6127e-03 6.8580e-03 -6.0000e+00 3.5519e-02 -9.6423e-04 4.3451e-03 1.8724e-03 -6.0000e+00 1.4971e-02 2.2371e-04 -3.2045e-04 2.5840e-04 2.2100e-05 -6.0000e+00 1.0024e-03 -3.4633e-02 7.6914e-05 12 9 8 11 8 0 99.97 22.40 0.26 -0.03463 -0.03704 21 2 1 5 0 2621.730 29.50 15.00 22.40 25.93 1.4 979.63 900000 -1100 -1257 -15336 -7572 9708 -18537 -6472 -4966 -3025 -9909 -1305 15807 -8757 -2755 -6310 7900 3417 2765 10112 -4386 2021 -3629 1427 -4489 -267 7781 3861 -5072 -4419 -1765 5716 8994 -1092 -1340 5344 -2937 -4209 305 -911 -3735 668 -1676 912 633 3151 -25 -2187 -2793 534 -323 1653 1731 1839 1234 714 2416 894 923 217 -921 1872 1156 1412 3040 -18 -2761 -919 -1172 298 476 1896 1442 -518 392 1410 33 -2581 -4252 -1415 -2045 -161 -2086 -2802 -2246 -189 -1234 -879 1259 902 96 529 -771 -520 113 -893 453 126 2787 237 126 -114 -899 -830 -358 -980 208 -1132 671 593 1243 510 376 602 219 -1135 193 -1221 -820 -695 -474 596 269 295 249 720 178 124 -656 -379 1205 -514 64 475 -139 325 24 534 28 179 -662 -231 371 -918 900000 -88 -107 -1506 -624 599 -1488 -501 -431 -284 -1023 -121 1292 -1042 -355 -959 1127 527 446 1573 -818 356 -729 281 -997 -60 1661 840 -1118 -905 -352 1135 1878 -273 -336 1158 -689 -1112 91 -333 -1615 298 -794 432 301 1456 -12 -1036 -1297 235 -145 776 871 975 691 412 1400 534 546 126 -540 1108 745 986 2211 -13 -1904 -577 -726 198 358 1528 1208 -438 315 1035 22 -1593 -2557 -880 -1451 -126 -1827 -2621 -2187 -193 -1367 -1022 1471 1055 108 547 -733 -451 95 -812 450 140 3328 306 158 -134 -975 -942 -423 -1266 280 -1613 980 913 1846 802 596 1003 339 -1633 258 -1659 -1164 -1059 -767 974 433 461 373 1019 241 159 -856 -528 1776 -809 103 771 -237 584 46 1033 55 357 -1295 -433 665 -1629