File name: Pandora54s1_Seoul_20240717_L2Fit_fout2c28d20230808p1-8.txt File generation date: 20250327T120510.6Z Data description: Level 2 spectral fitting results file Data file version: fout2c28p1-8 Local principal investigator: Jaemin Hong Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 54 Spectrometer number: 1 Processing software version used: BlickP v1.8.75 Instrument operation file used: Pandora54_OF_v4d20200817.txt Instrument calibration file used: Pandora54s1_CF_v28d20230808.txt Level 1 file used: Pandora54s1_Seoul_20240717_L1_smca1c28d20230808p1-8.txt Full location name: Yonsei University/Seoul Short location name: Seoul Country of location: South Korea Location latitude [deg]: 37.5644 Location longitude [deg]: 126.9340 Location altitude [m]: 86 Local noon date: 20240717 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, radiometric temperature correction, matrix method stray light correction (replaced by simple method) Data caveats: None First and last pixel inside fitting window: 265 407 Nominal wavelengths inside fitting window [nm]: 305.0565 305.1971 305.3378 305.4783 305.6189 305.7595 305.9001 306.0406 306.1812 306.3217 306.4622 306.6027 306.7432 306.8837 307.0242 307.1646 307.3051 307.4455 307.5859 307.7263 307.8668 308.0071 308.1475 308.2879 308.4283 308.5686 308.7089 308.8493 308.9896 309.1299 309.2702 309.4104 309.5507 309.6910 309.8312 309.9714 310.1117 310.2519 310.3921 310.5323 310.6724 310.8126 310.9528 311.0929 311.2330 311.3731 311.5132 311.6533 311.7934 311.9335 312.0736 312.2136 312.3537 312.4937 312.6337 312.7737 312.9137 313.0537 313.1936 313.3336 313.4735 313.6135 313.7534 313.8933 314.0332 314.1731 314.3130 314.4528 314.5927 314.7325 314.8724 315.0122 315.1520 315.2918 315.4316 315.5714 315.7111 315.8509 315.9906 316.1303 316.2701 316.4098 316.5495 316.6891 316.8288 316.9685 317.1081 317.2477 317.3874 317.5270 317.6666 317.8062 317.9457 318.0853 318.2249 318.3644 318.5039 318.6435 318.7830 318.9225 319.0619 319.2014 319.3409 319.4803 319.6198 319.7592 319.8986 320.0380 320.1774 320.3168 320.4561 320.5955 320.7349 320.8742 321.0135 321.1528 321.2921 321.4314 321.5707 321.7099 321.8492 321.9884 322.1277 322.2669 322.4061 322.5453 322.6845 322.8236 322.9628 323.1019 323.2411 323.3802 323.5193 323.6584 323.7975 323.9366 324.0756 324.2147 324.3537 324.4928 324.6318 324.7708 324.9098 --------------------------------------------------------------------------------------- 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 20240717T041853.3Z 8964.179783 295 1 1.32 2 18.63 210.79 121.77 98.31 0.00 1 0.00 1 0 9 1.082e-02 9.218e-03 5.428e-03 4.034e-03 1.468014e-01 2.100357e-03 1.734752e-03 -6.000000e+00 6.261688e-03 232.47 -2.00 3.44 -2.00 314.50 0.00e+00 2.646505e-04 1.662387e-04 6.852021e-05 -6.000000e+00 2.803727e-04 291.00 -2.00 20.00 -2.00 313.84 0.00e+00 1.055 0.000 302.00 328.00 3 3.4641e+00 5.4106e-03 1.2922e-02 -6.0000e+00 1.5699e-02 1.0717e-02 5.9694e-03 7.4513e-03 -6.0000e+00 1.6939e-02 -8.2467e-03 3.4208e-03 3.6037e-03 -6.0000e+00 1.0101e-02 -4.1080e-04 1.4977e-03 9.8467e-04 -6.0000e+00 4.3210e-03 5.1857e-03 3.6944e-06 1.1084e-04 1.3272e-05 -6.0000e+00 2.8520e-04 1.8136e-03 0.0000e+00 12 9 1 12 1 1 999.00 22.17 0.24 0.00181 0.00184 2 22 1 5 0 439.787 26.41 20.01 22.17 37.03 38.9 1038.05 1769 1265 -1524 -877 -1938 -328 -1610 361 -715 105 -1537 -938 -983 -67 810 45 1250 1084 1437 2067 -52 167 277 1100 1852 -360 -976 -1633 -2917 886 676 2450 -159 -590 -2672 -1823 -3233 -1898 553 -329 99 -627 396 -697 681 32 -644 -974 -658 -1170 83 319 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-978 194 70 711 329 -438 -545 -337 450 214 296 787 168 -234 -595 -685 -1387 SS 20240717T042739.4Z 8964.185873 298 1 30.69 2 19.59 216.31 120.14 99.47 0.00 1 0.00 1 0 17 1.002e-02 7.661e-03 1.664e-03 1.038e-03 1.456866e-01 5.327628e-04 1.720442e-03 -6.000000e+00 5.794937e-03 232.47 -2.00 3.44 -2.00 315.37 0.00e+00 4.707819e-04 4.973297e-05 7.013681e-05 -6.000000e+00 2.594587e-04 291.00 -2.00 20.00 -2.00 314.60 0.00e+00 1.061 0.000 302.00 328.00 3 3.8478e+00 1.3852e-03 1.2955e-02 -6.0000e+00 1.4529e-02 -4.0928e-03 1.5334e-03 7.4447e-03 -6.0000e+00 1.5677e-02 -3.2118e-03 8.7688e-04 3.5916e-03 -6.0000e+00 9.3477e-03 -4.0827e-03 3.9519e-04 9.9113e-04 -6.0000e+00 3.9991e-03 3.5315e-03 9.5493e-05 2.9017e-05 1.2193e-05 -6.0000e+00 2.6392e-04 1.4194e-03 0.0000e+00 12 9 1 12 1 1 99.86 22.18 0.30 0.00142 0.00214 57 19 1 5 0 529.066 26.51 20.00 22.18 37.76 38.9 1041.31 812 797 85 -1757 -2891 -1129 -960 832 947 -824 -2111 -1735 -1326 -507 754 -43 291 332 1172 1004 1263 467 766 950 686 892 -31 -666 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-1173 -620 -886 -1217 -777 -879 -102 919 1351 1450 854 711 -301 26 -293 -135 374 374 26 438 751 329 527 197 -452 793 319 292 182 -609 -467 -328 -90 100 397 671 209 247 -212 -791 -1411 SS 20240717T043336.6Z 8964.190007 302 1 18.67 2 20.32 219.77 119.03 100.25 0.00 1 0.00 1 0 17 1.033e-02 7.807e-03 1.744e-03 1.143e-03 1.470869e-01 5.895860e-04 1.730735e-03 -6.000000e+00 5.976565e-03 232.47 -2.00 3.44 -2.00 315.12 0.00e+00 4.415253e-04 5.251309e-05 6.346327e-05 -6.000000e+00 2.675848e-04 291.00 -2.00 20.00 -2.00 314.38 0.00e+00 1.066 0.000 302.00 328.00 3 3.7142e+00 1.5301e-03 1.3030e-02 -6.0000e+00 1.4984e-02 5.4069e-03 1.6942e-03 7.5016e-03 -6.0000e+00 1.6168e-02 -5.9688e-03 9.6876e-04 3.6147e-03 -6.0000e+00 9.6406e-03 -3.1371e-03 4.3201e-04 9.9175e-04 -6.0000e+00 4.1246e-03 3.9959e-03 5.2161e-05 3.1861e-05 1.2344e-05 -6.0000e+00 2.7219e-04 1.2673e-03 0.0000e+00 12 9 1 12 1 1 99.75 22.20 0.23 0.00127 0.00166 32 17 1 5 0 565.441 26.51 20.01 22.20 37.93 39.1 1042.96 1037 461 134 -2024 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