File name: Pandora104s1_Downsview_20230129_L2Fit_fout2c19d20221101p1-8.txt File generation date: 20241127T170148.2Z Data description: Level 2 spectral fitting results file Data file version: fout2c19p1-8 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_v19d20221101.txt Level 1 file used: Pandora104s1_Downsview_20230129_L1_smca1c19d20221101p1-8.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: 20230129 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: based on session 14 for VP 20221101 First and last pixel inside fitting window: 207 349 Nominal wavelengths inside fitting window [nm]: 305.0318 305.1723 305.3129 305.4534 305.5939 305.7344 305.8749 306.0154 306.1558 306.2963 306.4367 306.5771 306.7176 306.8580 306.9984 307.1388 307.2791 307.4195 307.5598 307.7002 307.8405 307.9808 308.1211 308.2614 308.4017 308.5420 308.6823 308.8225 308.9628 309.1030 309.2432 309.3834 309.5236 309.6638 309.8040 309.9441 310.0843 310.2244 310.3646 310.5047 310.6448 310.7849 310.9250 311.0650 311.2051 311.3451 311.4852 311.6252 311.7652 311.9052 312.0452 312.1852 312.3252 312.4651 312.6051 312.7450 312.8850 313.0249 313.1648 313.3047 313.4446 313.5844 313.7243 313.8641 314.0040 314.1438 314.2836 314.4234 314.5632 314.7030 314.8427 314.9825 315.1223 315.2620 315.4017 315.5414 315.6811 315.8208 315.9605 316.1002 316.2398 316.3795 316.5191 316.6587 316.7983 316.9379 317.0775 317.2171 317.3566 317.4962 317.6357 317.7753 317.9148 318.0543 318.1938 318.3333 318.4727 318.6122 318.7516 318.8911 319.0305 319.1699 319.3093 319.4487 319.5881 319.7275 319.8668 320.0062 320.1455 320.2848 320.4242 320.5635 320.7027 320.8420 320.9813 321.1205 321.2598 321.3990 321.5382 321.6774 321.8166 321.9558 322.0950 322.2342 322.3733 322.5125 322.6516 322.7907 322.9298 323.0689 323.2080 323.3470 323.4861 323.6252 323.7642 323.9032 324.0422 324.1812 324.3202 324.4592 324.5982 324.7371 324.8761 --------------------------------------------------------------------------------------- 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 --------------------------------------------------------------------------------------- SS 20230129T173445.7Z 8429.732473 238 1 8.79 2 61.65 181.02 82.15 71.34 0.00 1 0.00 1 0 17 3.676e-02 1.087e-02 3.185e-02 6.554e-03 3.307362e-01 3.321600e-03 3.972167e-03 -6.000000e+00 2.111450e-02 223.97 -2.00 3.57 -2.00 318.07 0.00e+00 1.399330e-03 5.817682e-04 5.119928e-04 -6.000000e+00 9.117352e-04 271.77 -2.00 20.00 -2.00 317.53 0.00e+00 2.096 0.000 302.00 328.00 3 5.4110e+00 8.8062e-03 2.6449e-02 -6.0000e+00 5.2194e-02 5.2965e-02 9.9752e-03 1.6724e-02 -6.0000e+00 5.6975e-02 -1.3361e-02 6.4870e-03 8.5030e-03 -6.0000e+00 3.3815e-02 -1.9235e-03 3.3321e-03 2.6915e-03 -6.0000e+00 1.4178e-02 1.9759e-04 3.5621e-05 1.9233e-04 2.6563e-05 -6.0000e+00 1.0170e-03 9.2711e-02 0.0000e+00 12 9 9 12 1 1 999.00 21.69 0.23 0.09271 0.09298 2 3 1 5 0 2871.170 21.69 14.58 18.00 -4153 -9169 5993 2058 -6347 -9030 -3022 -15504 9937 65 -6750 11918 -9512 7162 -4647 5455 6336 10470 -5333 7817 -6124 4253 -3148 5233 -8803 -3068 -3436 -4983 -4197 1463 4343 -4008 4152 -9843 825 -7783 2451 -2131 768 -254 750 -2144 635 -1413 -563 1752 1002 -994 1240 198 3041 2164 1852 731 821 2817 -996 110 -1026 3600 3096 3795 1070 2186 42 -722 -2133 37 31 864 -940 -647 204 179 597 -1493 -471 -1428 -156 -1354 -2189 -1977 -1569 -912 -52 123 1338 710 480 -388 -412 -43 -2150 215 -280 670 -806 913 -277 -778 -1206 110 -523 51 -1274 -1570 -226 11 242 572 992 -229 959 -38 2171 662 736 42 1302 -560 672 -735 393 185 1214 466 -109 40 108 -1052 -1186 -791 -213 14 -30 -191 -651 1768 -533 165 -331 344 -447 -278 -683 390 128 -394 -575 -199 -1295 710 5 -580 942 -1069 805 -664 772 928 1564 -956 1295 -1166 728 -600 981 -1974 -667 -736 -1031 -842 283 902 -976 1022 -2743 197 -2057 657 -697 286 -107 333 -1016 301 -685 -272 837 474 -478 584 97 1541 1179 1058 440 503 1745 -644 70 -649 2199 1972 2573 791 1680 33 -530 -1527 26 24 720 -834 -584 181 154 480 -1125 -333 -1003 -115 -1124 -1989 -1932 -1596 -957 -57 142 1577 851 573 -451 -455 -45 -2149 213 -295 757 -989 1182 -374 -1039 -1538 130 -608 61 -1630 -2070 -306 15 351 867 1556 -364 1477 -56 3020 900 1008 59 1913 -862 1033 -1121 585 269 1699 638 -145 55 154 -1592 -1855 -1256 -343 23 -52 -339 -1176 3181 -975 295 -579 584 -756 SS 20230129T193504.1Z 8429.816019 314 1 49.93 2 67.85 211.98 61.16 90.26 0.00 1 0.00 1 0 17 2.576e-02 5.930e-03 1.714e-02 1.419e-03 4.027538e-01 7.259627e-04 4.751231e-03 -6.000000e+00 1.479667e-02 223.97 -2.00 3.57 -2.00 319.55 0.00e+00 2.403196e-03 1.959392e-04 5.482079e-04 -6.000000e+00 6.387974e-04 271.77 -2.00 20.00 -2.00 319.03 0.00e+00 2.630 0.000 302.00 328.00 3 3.2764e+00 2.0209e-03 3.2888e-02 -6.0000e+00 3.6577e-02 2.9045e-02 2.3607e-03 2.0634e-02 -6.0000e+00 3.9926e-02 2.0305e-03 1.8925e-03 1.0945e-02 -6.0000e+00 2.3696e-02 -1.1698e-02 9.9538e-04 4.1643e-03 -6.0000e+00 9.9373e-03 9.1970e-04 2.0260e-04 4.2567e-05 4.1597e-05 -6.0000e+00 7.1280e-04 9.1439e-02 0.0000e+00 11 1 0 11 8 0 99.93 21.69 0.18 0.09144 0.09296 187 38 1 5 0 266.830 21.69 14.34 18.24 -2594 -11059 -1784 -10519 1158 -12479 -3708 -1183 -6324 -5037 -12313 -2713 -5135 2463 -489 -572 -5073 3550 -1697 1876 855 588 -2052 -126 -4989 -1580 -1804 -624 -455 427 1798 422 963 -2859 -1717 -4544 -2379 -2906 -1849 -3113 -1908 -2072 -940 -1291 187 235 -91 836 1192 1841 2057 2122 1306 2016 427 1217 -849 -84 -498 453 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