File name: Pandora108s1_Toronto-West_20230228_L2Fit_fout2c6d20211104p1-8.txt File generation date: 20240820T142016.8Z Data description: Level 2 spectral fitting results file Data file version: fout2c6p1-8 Local principal investigator: Vitali Fioletov Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 108 Spectrometer number: 1 Processing software version used: BlickP v1.8.59 Instrument operation file used: Pandora108_OF_v3d20210713.txt Instrument calibration file used: Pandora108s1_CF_v6d20211104.txt Level 1 file used: Pandora108s1_Toronto-West_20230228_L1_smca1c6d20211104p1-8.txt Full location name: Ontario Ministry of the Environment, Toronto West (Etobicoke) Short location name: Toronto-West Country of location: Canada Location latitude [deg]: 43.7094 Location longitude [deg]: -79.5435 Location altitude [m]: 141 Local noon date: 20230228 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: None First and last pixel inside fitting window: 231 373 Nominal wavelengths inside fitting window [nm]: 305.0401 305.1807 305.3213 305.4619 305.6025 305.7430 305.8836 306.0241 306.1647 306.3052 306.4457 306.5863 306.7268 306.8673 307.0078 307.1483 307.2887 307.4292 307.5697 307.7101 307.8506 307.9910 308.1315 308.2719 308.4123 308.5527 308.6931 308.8335 308.9739 309.1143 309.2546 309.3950 309.5353 309.6757 309.8160 309.9564 310.0967 310.2370 310.3773 310.5176 310.6579 310.7981 310.9384 311.0787 311.2189 311.3591 311.4994 311.6396 311.7798 311.9200 312.0602 312.2004 312.3406 312.4807 312.6209 312.7610 312.9012 313.0413 313.1814 313.3215 313.4617 313.6017 313.7418 313.8819 314.0220 314.1620 314.3021 314.4421 314.5821 314.7222 314.8622 315.0022 315.1422 315.2822 315.4221 315.5621 315.7020 315.8420 315.9819 316.1218 316.2618 316.4017 316.5416 316.6814 316.8213 316.9612 317.1010 317.2409 317.3807 317.5205 317.6604 317.8002 317.9400 318.0797 318.2195 318.3593 318.4990 318.6388 318.7785 318.9182 319.0580 319.1977 319.3374 319.4770 319.6167 319.7564 319.8960 320.0357 320.1753 320.3149 320.4545 320.5941 320.7337 320.8733 321.0129 321.1525 321.2920 321.4315 321.5711 321.7106 321.8501 321.9896 322.1291 322.2686 322.4080 322.5475 322.6869 322.8264 322.9658 323.1052 323.2446 323.3840 323.5234 323.6627 323.8021 323.9414 324.0808 324.2201 324.3594 324.4987 324.6380 324.7773 324.9166 --------------------------------------------------------------------------------------- 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 20230228T154044.4Z 8459.653292 250 1 1.79 2 57.31 147.08 96.50 43.26 0.00 1 0.00 1 0 17 1.224e-02 6.222e-03 3.762e-03 1.303e-03 2.448571e-01 6.607920e-04 3.025165e-03 -6.000000e+00 7.046766e-03 225.19 -2.00 3.57 -2.00 317.15 0.00e+00 5.649433e-04 8.850466e-05 5.302478e-05 -6.000000e+00 3.017261e-04 273.13 -2.00 20.00 -2.00 316.59 0.00e+00 1.845 0.000 302.00 328.00 3 6.9302e-01 1.7272e-03 2.2071e-02 -6.0000e+00 1.7455e-02 3.0393e-02 1.9359e-03 1.2676e-02 -6.0000e+00 1.8984e-02 -7.0358e-03 1.1630e-03 6.3035e-03 -6.0000e+00 1.1270e-02 -2.5720e-03 5.6894e-04 1.8569e-03 -6.0000e+00 4.7716e-03 3.2321e-02 -1.8580e-04 3.9010e-05 2.2085e-05 -6.0000e+00 3.4475e-04 1.3243e-03 4.4900e-05 12 1 1 12 1 1 94.84 18.15 0.16 0.00132 -0.00007 55 340 1 5 0 28.500 23.53 14.99 18.15 7.15 26.9 1007.46 -2464 -355 -4579 -3829 -7035 -2365 -2333 -124 -1237 -2384 -2699 -2423 617 -474 1214 -862 276 514 1050 859 176 1148 483 1441 -158 -212 -1480 -1677 -1037 -59 1716 598 1459 -1830 -1708 -1226 -102 182 777 105 -1027 71 -1031 -94 -375 -38 -998 -74 -464 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375 5 -604 55 -58 -171 -910 7 -625 -169 SS 20230228T202129.6Z 8459.848259 423 1 4.21 2 64.39 228.16 52.61 86.63 0.00 1 0.00 1 0 25 5.547e-02 1.262e-02 6.961e-02 1.212e-02 3.135332e-01 6.126826e-03 3.877741e-03 -6.000000e+00 3.192244e-02 225.20 -2.00 3.57 -2.00 318.36 0.00e+00 -9.817502e-05 1.144650e-03 3.905782e-04 -6.000000e+00 1.367039e-03 273.14 -2.00 20.00 -2.00 317.80 0.00e+00 2.300 0.000 302.00 328.00 3 2.3427e+00 1.6411e-02 2.7877e-02 -6.0000e+00 7.9074e-02 1.3000e-02 1.8613e-02 1.6510e-02 -6.0000e+00 8.6011e-02 1.4809e-02 1.2449e-02 8.1996e-03 -6.0000e+00 5.1062e-02 -1.0616e-02 6.4753e-03 2.3748e-03 -6.0000e+00 2.1609e-02 3.5996e-03 -1.0082e-03 3.6589e-04 2.7659e-05 -6.0000e+00 1.5625e-03 1.7044e-03 -6.0691e-05 12 9 9 12 1 1 999.00 18.13 0.32 0.00170 -0.00587 1 5 2 5 0 2006.830 23.53 15.01 18.13 8.73 26.8 1010.79 -16998 -17349 6035 -7925 15761 -6457 27707 -25113 1652 4246 1642 -9163 -9935 -1291 -8007 5599 -15796 14021 -7667 7912 -338 1136 1586 2900 -4404 -7894 6660 -9034 11237 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