File name: Pandora162s1_Brussels-Uccle_20220926_L2Fit_fout2c15d20210909p1-8.txt
File generation date: 20250630T123250.0Z
Data description: Level 2 spectral fitting results file
Data file version: fout2c15p1-8
Local principal investigator: Michel Van Roozendael
Network principal investigator: Alexander Cede
Instrument type: Pandora
Instrument number: 162
Spectrometer number: 1
Processing software version used: BlickP v1.8.75
Instrument operation file used: Pandora162_OF_v8d20191031.txt
Instrument calibration file used: Pandora162s1_CF_v15d20210909.txt
Level 1 file used: Pandora162s1_Brussels-Uccle_20220926_L1_smca1c15d20210909p1-8.txt
Full location name: Uccle (BIRA-IASB, KMI-IRM)
Short location name: Brussels-Uccle
Country of location: Belgium
Location latitude [deg]: 50.7980
Location longitude [deg]: 4.3580
Location altitude [m]: 107
Local noon date: 20220926
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: 225 367
Nominal wavelengths inside fitting window [nm]: 305.0695 305.2101 305.3508 305.4914 305.6320 305.7726 305.9132 306.0538 306.1944 306.3350 306.4755 306.6161 306.7567 306.8972 307.0377 307.1782 307.3187 307.4592 307.5997 307.7402 307.8807 308.0211 308.1616 308.3020 308.4425 308.5829 308.7233 308.8637 309.0041 309.1445 309.2848 309.4252 309.5656 309.7059 309.8462 309.9866 310.1269 310.2672 310.4075 310.5477 310.6880 310.8283 310.9685 311.1088 311.2490 311.3892 311.5294 311.6696 311.8098 311.9500 312.0901 312.2303 312.3704 312.5106 312.6507 312.7908 312.9309 313.0710 313.2111 313.3512 313.4912 313.6313 313.7713 313.9113 314.0514 314.1914 314.3314 314.4713 314.6113 314.7513 314.8912 315.0312 315.1711 315.3110 315.4509 315.5908 315.7307 315.8706 316.0105 316.1503 316.2902 316.4300 316.5698 316.7096 316.8494 316.9892 317.1290 317.2688 317.4085 317.5483 317.6880 317.8277 317.9674 318.1071 318.2468 318.3865 318.5261 318.6658 318.8054 318.9451 319.0847 319.2243 319.3639 319.5035 319.6431 319.7826 319.9222 320.0617 320.2012 320.3408 320.4803 320.6198 320.7592 320.8987 321.0382 321.1776 321.3171 321.4565 321.5959 321.7353 321.8747 322.0141 322.1535 322.2928 322.4322 322.5715 322.7108 322.8501 322.9894 323.1287 323.2680 323.4072 323.5465 323.6857 323.8250 323.9642 324.1034 324.2426 324.3818 324.5209 324.6601 324.7992 324.9384
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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: 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
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SS 20220926T164405.7Z 8304.697288 344 1 49.43 2 83.29 259.41 79.29 250.77 0.00 1 0.00 1 0 25 7.135e-01 5.393e-02 5.322e-01 4.589e-02 9.398711e-01 2.865658e-02 1.161509e-02 -6.000000e+00 4.260806e-01 227.19 -2.00 3.79 -2.00 322.27 0.00e+00 2.718360e-04 1.278236e-02 7.262912e-03 -6.000000e+00 2.294853e-02 279.05 -2.00 20.00 -2.00 321.81 0.00e+00 7.801 0.010 302.00 328.00 3 6.0993e-01 9.9158e-02 1.0140e-01 -6.0000e+00 1.0597e+00 1.5800e+00 1.1976e-01 7.3341e-02 -6.0000e+00 1.1580e+00 -1.9734e+00 8.6903e-02 3.3035e-02 -6.0000e+00 6.7840e-01 7.6361e-01 4.6170e-02 8.5954e-03 -6.0000e+00 2.9532e-01 4.4298e-05 -3.2684e-03 1.3339e-03 1.5905e-04 -6.0000e+00 2.1143e-02 -1.8745e-02 6.6700e-05 12 8 8 10 0 0 97.49 18.63 0.93 -0.01875 -0.04331 17 3 4 8 0 2906.910 15.01 18.63 18.51 21.06 21.27 48.5 988.56 900000 900000 900000 67533 251582 900000 201758 900000 264470 900000 -61275 900000 -92231 900000 22413 900000 47823 40029 -83404 111420 900000 900000 139642 -5714 59863 -83140 900000 900000 4658 88478 900000 900000 54264 900000 -44573 -62253 28530 900000 33661 183101 71347 71280 900000 81999 176731 47143 900000 33940 136201 7196 146241 305627 29914 149974 77252 108545 60514 900000 900000 123525 62246 45827 19529 41087 6259 4273 110320 16413 21672 -22652 59480 -3064 27160 43089 8604 86957 -30536 20304 -17095 32223 -24736 17628 3549 25337 31817 5617 31649 -7596 7004 5556 26233 -17375 -3274 11814 -1082 -8340 -1495 -9127 4180 4405 -6068 -4376 -12493 -5252 -6157 11474 -6295 -1694 1132 -5054 1875 -5177 -1274 -1669 5762 -2619 4559 -1925 -1893 -2738 1954 -49 2830 5784 -3669 9353 1080 5542 -621 -1074 4121 -601 -238 -475 -337 809 1677 -397 -258 2157 -1985 -203 -3395 900000 900000 900000 3009 11210 900000 8990 900000 11784 900000 -3990 900000 -9695 900000 1086 900000 2150 1987 -13669 4965 900000 900000 6222 -346 2667 -10566 900000 900000 208 3942 900000 900000 2418 900000 -4455 -6638 1271 900000 1819 8159 3356 3470 900000 3654 7875 2631 900000 2134 6069 635 6516 13618 2753 6683 5001 5297 4757 900000 900000 5504 3947 3559 2192 4272 983 685 6300 2408 3271 -5944 7800 -766 4955 6254 1566 6496 -6482 2662 -3613 5053 -8048 4421 1141 7075 8790 2108 9630 -3471 2756 2142 7759 -7384 -1189 3887 -456 -4452 -886 -6864 3115 3409 -4994 -3196 -8827 -3272 -4063 6833 -4685 -1304 944 -5184 2059 -6807 -1696 -2241 7064 -3378 5464 -2564 -2663 -4043 2723 -67 3571 6867 -4640 10204 1246 6310 -854 -1747 7274 -1230 -522 -1115 -850 2147 4530 -1108 -719 5685 -5054 -468 -7553