File name: Pandora170s1_Downsview_20211230_L2Fit_fout2c1d20211219p1-8.txt
File generation date: 20260323T101941.1Z
Data description: Level 2 spectral fitting results file
Data file version: fout2c1p1-8
Local principal investigator: Vitali Fioletov
Network principal investigator: Alexander Cede
Instrument type: Pandora
Instrument number: 170
Spectrometer number: 1
Processing software version used: BlickP v1.8.88
Instrument operation file used: Pandora170_OF_v5d20200302.txt
Instrument calibration file used: Pandora170s1_CF_v1d20211219.txt
Level 1 file used: Pandora170s1_Downsview_20211230_L1_smca1c1d20211219p1-8.txt.bz2
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: 20211230
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: None
First and last pixel inside fitting window: 215 356
Nominal wavelengths inside fitting window [nm]: 305.1142 305.2554 305.3965 305.5377 305.6788 305.8199 305.9610 306.1021 306.2432 306.3843 306.5253 306.6664 306.8074 306.9485 307.0895 307.2305 307.3715 307.5124 307.6534 307.7944 307.9353 308.0763 308.2172 308.3581 308.4990 308.6399 308.7808 308.9216 309.0625 309.2033 309.3442 309.4850 309.6258 309.7666 309.9074 310.0481 310.1889 310.3297 310.4704 310.6111 310.7518 310.8925 311.0332 311.1739 311.3146 311.4552 311.5959 311.7365 311.8772 312.0178 312.1584 312.2990 312.4395 312.5801 312.7207 312.8612 313.0017 313.1422 313.2828 313.4232 313.5637 313.7042 313.8447 313.9851 314.1256 314.2660 314.4064 314.5468 314.6872 314.8276 314.9679 315.1083 315.2486 315.3890 315.5293 315.6696 315.8099 315.9502 316.0905 316.2307 316.3710 316.5112 316.6515 316.7917 316.9319 317.0721 317.2123 317.3524 317.4926 317.6327 317.7729 317.9130 318.0531 318.1932 318.3333 318.4734 318.6134 318.7535 318.8935 319.0336 319.1736 319.3136 319.4536 319.5936 319.7335 319.8735 320.0134 320.1534 320.2933 320.4332 320.5731 320.7130 320.8529 320.9927 321.1326 321.2724 321.4123 321.5521 321.6919 321.8317 321.9715 322.1112 322.2510 322.3907 322.5305 322.6702 322.8099 322.9496 323.0893 323.2290 323.3687 323.5083 323.6479 323.7876 323.9272 324.0668 324.2064 324.3460 324.4856 324.6251 324.7647 324.9042
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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 100-241: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting
Columns 242-383: 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 20211230T161257.8Z 8034.675669 259 1 49.40 2 68.68 163.31 69.09 210.18 0.00 1 0.00 1 0 17 2.268e-01 3.484e-02 3.562e-02 4.470e-03 3.258163e-01 2.256868e-03 3.945579e-03 -6.000000e+00 1.289902e-01 222.76 -2.00 3.57 -2.00 318.44 0.00e+00 -5.003790e-04 4.398971e-04 1.069735e-04 -6.000000e+00 5.906721e-03 272.78 -2.00 20.00 -2.00 317.90 0.00e+00 2.725 0.000 302.00 328.00 3 4.7404e+00 6.0178e-03 3.1210e-02 -6.0000e+00 3.1765e-01 5.3491e-02 6.8792e-03 1.6678e-02 -6.0000e+00 3.4615e-01 -4.4312e-03 4.8155e-03 8.3895e-03 -6.0000e+00 2.0541e-01 -3.9154e-03 2.5397e-03 2.5023e-03 -6.0000e+00 8.8411e-02 2.1756e-04 -2.7843e-04 1.3264e-04 2.7443e-05 -6.0000e+00 6.2928e-03 -4.0805e-03 2.5923e-05 12 9 9 12 32 32 99.97 22.58 1.54 -0.00408 -0.00617 19 4 1 5 0 2599.110 26.51 19.99 22.58 8.87 21.3 992.04 28932 64246 102104 33998 900000 45028 -69007 5612 18231 -68381 900000 -8307 45374 135810 73127 12547 19526 34276 4906 -1149 -18267 -23193 -16509 13419 28359 -21942 -5849 6463 4570 64500 3860 8676 32198 7712 3824 40343 11362 -12009 -4787 -7016 14825 9519 149 -13068 3173 5518 -11752 3232 -1565 10122 2369 -775 11186 -2433 -750 11896 17114 -841 -2747 -1420 -4444 -8641 12870 -2955 -5012 -3621 4528 2371 9006 -2946 -6131 -1657 1064 4013 -1070 739 -4024 1151 4302 8390 -7649 2737 -3399 -202 2593 2711 -514 -1675 2290 5115 2423 1078 -53 -518 -1188 -4728 -3614 1788 -1276 789 -6679 738 1922 741 -4245 -349 -1077 -766 802 -2471 1132 559 138 -399 -2199 -462 3815 -441 1040 -893 -1298 4731 636 633 2400 435 5769 -1272 -3520 3123 -1081 899 2145 1454 772 -538 -72 -22 -1309 -1212 -1802 -476 1192 2057 2315 1344 900000 1478 -7132 330 1052 -9122 900000 -689 2632 3957 4331 1417 2171 3493 685 -176 -3306 -4413 -3092 2044 3991 -5057 -1140 1060 732 6093 696 1642 5286 1579 771 5943 2454 -3795 -1677 -2833 5279 3695 64 -6354 1340 2279 -5578 1332 -674 4068 1091 -392 5389 -1379 -431 6285 8739 -496 -1620 -833 -2798 -6076 8132 -2219 -3735 -2506 2819 1535 6050 -2409 -5438 -1443 891 3136 -808 504 -2687 740 2934 6178 -7057 2499 -3411 -207 2750 3016 -607 -2018 2642 5524 2505 1052 -50 -503 -1247 -5563 -4589 2330 -1732 1022 -8602 846 2164 885 -5559 -461 -1481 -1093 1190 -3947 1816 896 213 -586 -3111 -632 5162 -644 1576 -1409 -2050 7026 950 915 3310 587 7377 -1784 -5331 4737 -1743 1455 3528 2497 1387 -998 -135 -42 -2481 -2239 -3245 -831