File name: Pandora272s1_Lauder_20260125_L2Fit_fout2c6d20241202p1-8.txt File generation date: 20260704T065605.0Z Data description: Level 2 spectral fitting results file Data file version: fout2c6p1-8 Local principal investigator: Richard Querel Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 272 Spectrometer number: 1 Processing software version used: BlickP v1.8.88 Instrument operation file used: Pandora272_OF_v3d20240829.txt Instrument calibration file used: Pandora272s1_CF_v6d20241202.txt Level 1 file used: Pandora272s1_Lauder_20260125_L1_smca1c6d20241202p1-8.txt Full location name: Lauder Atmospheric Research Station Short location name: Lauder Country of location: New Zealand Location latitude [deg]: -45.0380 Location longitude [deg]: 169.6840 Location altitude [m]: 370 Local noon date: 20260125 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: 196 338 Nominal wavelengths inside fitting window [nm]: 305.0455 305.1861 305.3267 305.4672 305.6077 305.7483 305.8888 306.0293 306.1697 306.3102 306.4507 306.5911 306.7315 306.8720 307.0124 307.1528 307.2931 307.4335 307.5739 307.7142 307.8545 307.9949 308.1352 308.2755 308.4158 308.5560 308.6963 308.8365 308.9768 309.1170 309.2572 309.3974 309.5376 309.6778 309.8179 309.9581 310.0982 310.2383 310.3784 310.5185 310.6586 310.7987 310.9388 311.0788 311.2189 311.3589 311.4989 311.6389 311.7789 311.9189 312.0589 312.1988 312.3388 312.4787 312.6186 312.7585 312.8984 313.0383 313.1782 313.3180 313.4579 313.5977 313.7375 313.8773 314.0171 314.1569 314.2967 314.4364 314.5762 314.7159 314.8556 314.9954 315.1351 315.2747 315.4144 315.5541 315.6937 315.8334 315.9730 316.1126 316.2522 316.3918 316.5314 316.6710 316.8105 316.9501 317.0896 317.2291 317.3686 317.5081 317.6476 317.7871 317.9265 318.0660 318.2054 318.3448 318.4842 318.6236 318.7630 318.9024 319.0417 319.1811 319.3204 319.4598 319.5991 319.7384 319.8777 320.0169 320.1562 320.2955 320.4347 320.5739 320.7131 320.8523 320.9915 321.1307 321.2699 321.4090 321.5482 321.6873 321.8264 321.9655 322.1046 322.2437 322.3828 322.5219 322.6609 322.7999 322.9390 323.0780 323.2170 323.3560 323.4949 323.6339 323.7729 323.9118 324.0507 324.1896 324.3285 324.4674 324.6063 324.7452 324.8840 --------------------------------------------------------------------------------------- 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: Spectrometer control temperature [°C], 999=no temperature signal Column 95: Auxiliary spectrometer temperature [°C], 999=no temperature signal Column 96: Temperature in head sensor [°C], 999=no temperature signal Column 97: Temperature at electronics board 1 [°C], 999=no temperature signal Column 98: Temperature at electronics board 2 [°C], 999=no temperature signal Column 99: Humidity in head sensor [%], -9=no humidity signal Column 100: Pressure in head sensor [hPa], -9=no pressure signal Columns 101-243: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting Columns 244-386: 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 20260125T043418.4Z 9521.190491 870 1 17.86 2 52.31 281.10 59.72 18.84 0.00 1 0.00 1 0 25 8.467e-03 6.777e-03 2.612e-04 1.729e-04 2.235272e-01 9.046815e-05 2.835840e-03 -6.000000e+00 4.960700e-03 231.75 -2.00 3.69 -2.00 315.15 0.00e+00 4.460525e-04 7.758100e-06 3.172861e-05 -6.000000e+00 2.118968e-04 279.14 -2.00 20.00 -2.00 314.59 0.00e+00 1.632 0.000 302.00 328.00 3 4.7720e-01 2.3400e-04 1.9896e-02 -6.0000e+00 1.2461e-02 1.8942e-02 2.5878e-04 1.2204e-02 -6.0000e+00 1.3460e-02 -1.8838e-03 1.4806e-04 5.9327e-03 -6.0000e+00 7.9739e-03 -2.2099e-03 6.5628e-05 1.6562e-03 -6.0000e+00 3.3813e-03 5.3096e-02 6.2404e-05 4.8948e-06 2.1340e-05 -6.0000e+00 2.3284e-04 1.2076e-03 0.0000e+00 12 9 1 12 1 1 99.88 25.43 0.34 0.00121 0.00168 1030 325 2 8 0 17.320 20.01 25.43 23.28 35.25 34.00 0.8 977.50 -492 -253 -96 -1459 -2096 -1889 -1208 -185 294 -536 -1759 -1667 -1045 -508 434 337 311 618 876 1255 1180 803 1256 797 619 825 509 29 -240 468 850 1079 1418 -20 -2136 -2145 -2398 -1690 -641 -404 -659 -612 -524 500 -345 -87 -329 -420 -718 -438 469 557 864 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106 55 -148 494 162 -317 -474 -791 -1357 SS 20260125T043824.4Z 9521.193338 872 1 8.43 2 53.03 280.27 59.51 17.73 0.00 1 0.00 1 0 17 9.655e-03 7.200e-03 2.587e-03 1.595e-03 2.264535e-01 8.325742e-04 2.855590e-03 -6.000000e+00 5.656998e-03 231.75 -2.00 3.69 -2.00 315.41 0.00e+00 4.783851e-04 7.527949e-05 3.403651e-05 -6.000000e+00 2.416450e-04 279.14 -2.00 20.00 -2.00 314.83 0.00e+00 1.658 0.000 302.00 328.00 3 4.0075e+00 2.1592e-03 2.0179e-02 -6.0000e+00 1.4210e-02 3.1974e-02 2.3885e-03 1.2337e-02 -6.0000e+00 1.5349e-02 -1.0558e-03 1.3687e-03 5.9965e-03 -6.0000e+00 9.0933e-03 -1.8176e-03 6.1541e-04 1.6804e-03 -6.0000e+00 3.8557e-03 1.4996e-03 1.4899e-04 4.5161e-05 2.0792e-05 -6.0000e+00 2.6554e-04 1.4529e-03 0.0000e+00 12 9 1 12 1 1 99.69 25.43 0.26 0.00145 0.00257 12 9 1 8 0 648.070 19.99 25.43 23.90 35.25 33.75 0.9 981.62 -529 834 -674 -1059 -3381 -1829 -1338 -730 -627 -1099 -2267 -2655 -949 -442 119 -82 -111 1076 1009 1389 1183 900 1098 811 908 1477 125 447 -10 513 22 1364 1435 563 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466 540 -187 -88 -272 57 257 552 201 472 802 459 759 897 -239 610 510 491 508 34 -343 -505 204 205 -36 344 204 -331 -292 -807 -1540 SS 20260125T044306.3Z 9521.196601 875 1 2.68 2 53.84 279.34 59.29 16.45 0.00 1 0.00 1 0 17 9.282e-03 7.043e-03 2.238e-03 1.437e-03 2.306325e-01 7.510270e-04 2.918993e-03 -6.000000e+00 5.438418e-03 231.75 -2.00 3.69 -2.00 315.27 0.00e+00 4.131255e-04 6.617064e-05 3.776664e-05 -6.000000e+00 2.323095e-04 279.14 -2.00 20.00 -2.00 314.71 0.00e+00 1.690 0.000 302.00 328.00 3 2.6594e+00 1.9456e-03 2.0570e-02 -6.0000e+00 1.3661e-02 2.8391e-02 2.1520e-03 1.2575e-02 -6.0000e+00 1.4756e-02 -1.3925e-03 1.2310e-03 6.1139e-03 -6.0000e+00 8.7419e-03 -1.9408e-03 5.4887e-04 1.7036e-03 -6.0000e+00 3.7067e-03 5.5734e-03 1.0294e-04 4.0664e-05 2.1630e-05 -6.0000e+00 2.5528e-04 1.5082e-03 0.0000e+00 12 9 1 12 1 1 98.53 25.43 0.34 0.00151 0.00228 13 30 4 8 0 190.910 20.01 25.43 24.64 35.25 33.75 0.8 984.20 227 -646 -647 -1710 -1635 -2264 -2018 -1216 -159 -598 -1069 -3250 -1089 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