File name: Pandora174s1_FairbanksAK_20200526_L2Fit_fout2c2d20200525p1-8.txt
File generation date: 20231206T105841.4Z
Data description: Level 2 spectral fitting results file
Data file version: fout2c2p1-8
Local principal investigator: Jingqiu Mao
Network principal investigator: Alexander Cede
Instrument type: Pandora
Instrument number: 174
Spectrometer number: 1
Processing software version used: BlickP v1.8.49
Instrument operation file used: Pandora174_of_v2d20200215.txt
Instrument calibration file used: Pandora174s1_CF_v2d20200525.txt
Level 1 file used: Pandora174s1_FairbanksAK_20200526_L1_smca1c2d20200525p1-8.txt.bz2
Full location name: University of Alaska Fairbanks campus
Short location name: FairbanksAK
Country of location: USA
Location latitude [deg]: 64.8594
Location longitude [deg]: -147.8499
Location altitude [m]: 227
Local noon date: 20200526
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: 230 372
Nominal wavelengths inside fitting window [nm]: 305.0269 305.1678 305.3086 305.4494 305.5903 305.7311 305.8719 306.0126 306.1534 306.2942 306.4349 306.5757 306.7164 306.8571 306.9979 307.1386 307.2793 307.4199 307.5606 307.7013 307.8419 307.9826 308.1232 308.2638 308.4044 308.5450 308.6856 308.8262 308.9667 309.1073 309.2478 309.3883 309.5289 309.6694 309.8099 309.9504 310.0908 310.2313 310.3718 310.5122 310.6526 310.7931 310.9335 311.0739 311.2143 311.3546 311.4950 311.6354 311.7757 311.9161 312.0564 312.1967 312.3370 312.4773 312.6176 312.7578 312.8981 313.0384 313.1786 313.3188 313.4590 313.5993 313.7394 313.8796 314.0198 314.1600 314.3001 314.4403 314.5804 314.7205 314.8606 315.0007 315.1408 315.2809 315.4209 315.5610 315.7010 315.8411 315.9811 316.1211 316.2611 316.4011 316.5411 316.6810 316.8210 316.9609 317.1009 317.2408 317.3807 317.5206 317.6605 317.8004 317.9403 318.0801 318.2200 318.3598 318.4996 318.6394 318.7792 318.9190 319.0588 319.1986 319.3383 319.4781 319.6178 319.7576 319.8973 320.0370 320.1767 320.3164 320.4560 320.5957 320.7353 320.8750 321.0146 321.1542 321.2938 321.4334 321.5730 321.7126 321.8521 321.9917 322.1312 322.2708 322.4103 322.5498 322.6893 322.8288 322.9682 323.1077 323.2471 323.3866 323.5260 323.6654 323.8048 323.9442 324.0836 324.2230 324.3624 324.5017 324.6410 324.7804 324.9197
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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: 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
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SU 20200527T013123.8Z 7452.063470 20 1 31.53 2 56.46 247.39 42.34 180.37 0.00 1 0.00 1 15 0 -9.000e+00 -9.000e+00 -9.000e+00 -9.000e+00 -9.000000e+99 -9.000000e+00 -9.000000e+00 -9.000000e+00 -9.000000e+00 233.01 -2.00 4.56 -2.00 -9.00 0.00e+00 -9.000000e+99 -9.000000e+00 -9.000000e+00 -9.000000e+00 -9.000000e+00 271.48 -2.00 20.00 -2.00 -9.00 0.00e+00 1.804 0.000 302.00 328.00 3 0.0000e+00 -9.0000e+00 -9.0000e+00 -9.0000e+00 -9.0000e+00 0.0000e+00 -9.0000e+00 -9.0000e+00 -9.0000e+00 -9.0000e+00 0.0000e+00 -9.0000e+00 -9.0000e+00 -9.0000e+00 -9.0000e+00 0.0000e+00 -9.0000e+00 -9.0000e+00 -9.0000e+00 -9.0000e+00 -7.1995e-08 0.0000e+00 -9.0000e+00 -9.0000e+00 -9.0000e+00 -9.0000e+00 6.8008e-01 -1.7590e-02 2 11 11 12 258 2 50.47 22.51 98.29 0.68008 -9.00000 8 0 1 5 0 3940.810 25.68 20.00 22.51 28.09 15.1 987.93 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000 900000