File name: Pandora29s1_FairbanksAK_20180918_L2Fit_ffuh5c12d20170504p1-8.txt
File generation date: 20250414T160613.1Z
Data description: Level 2 spectral fitting results file
Data file version: ffuh5c12p1-8
Local principal investigator: Nader Abuhassan
Network principal investigator: Alexander Cede
Instrument type: Pandora
Instrument number: 29
Spectrometer number: 1
Processing software version used: BlickP v1.8.75
Instrument operation file used: Pandora29_OF_v2d20170504.txt
Instrument calibration file used: Pandora29s1_CF_v12d20170504.txt
Level 1 file used: Pandora29s1_FairbanksAK_20180918_L1_smca1c12d20170504p1-8.txt
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: 20180918
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: 408 628
Nominal wavelengths inside fitting window [nm]: 328.6072 328.7466 328.8860 329.0254 329.1648 329.3042 329.4436 329.5829 329.7223 329.8616 330.0009 330.1402 330.2795 330.4188 330.5580 330.6973 330.8366 330.9758 331.1150 331.2542 331.3934 331.5326 331.6718 331.8110 331.9501 332.0893 332.2284 332.3675 332.5066 332.6457 332.7848 332.9239 333.0629 333.2020 333.3410 333.4800 333.6190 333.7580 333.8970 334.0360 334.1750 334.3139 334.4529 334.5918 334.7307 334.8696 335.0085 335.1474 335.2863 335.4251 335.5640 335.7028 335.8417 335.9805 336.1193 336.2581 336.3968 336.5356 336.6744 336.8131 336.9518 337.0905 337.2292 337.3679 337.5066 337.6453 337.7840 337.9226 338.0612 338.1999 338.3385 338.4771 338.6157 338.7542 338.8928 339.0313 339.1699 339.3084 339.4469 339.5854 339.7239 339.8624 340.0009 340.1393 340.2778 340.4162 340.5546 340.6930 340.8314 340.9698 341.1082 341.2465 341.3849 341.5232 341.6616 341.7999 341.9382 342.0765 342.2147 342.3530 342.4912 342.6295 342.7677 342.9059 343.0441 343.1823 343.3205 343.4587 343.5968 343.7350 343.8731 344.0112 344.1493 344.2874 344.4255 344.5636 344.7016 344.8397 344.9777 345.1157 345.2537 345.3917 345.5297 345.6677 345.8057 345.9436 346.0815 346.2195 346.3574 346.4953 346.6332 346.7710 346.9089 347.0468 347.1846 347.3224 347.4602 347.5980 347.7358 347.8736 348.0114 348.1491 348.2869 348.4246 348.5623 348.7000 348.8377 348.9754 349.1131 349.2507 349.3884 349.5260 349.6636 349.8012 349.9388 350.0764 350.2140 350.3515 350.4891 350.6266 350.7641 350.9016 351.0391 351.1766 351.3141 351.4515 351.5890 351.7264 351.8638 352.0012 352.1386 352.2760 352.4134 352.5507 352.6881 352.8254 352.9627 353.1001 353.2374 353.3746 353.5119 353.6492 353.7864 353.9236 354.0609 354.1981 354.3353 354.4725 354.6096 354.7468 354.8839 355.0211 355.1582 355.2953 355.4324 355.5695 355.7066 355.8436 355.9807 356.1177 356.2547 356.3917 356.5287 356.6657 356.8027 356.9396 357.0766 357.2135 357.3505 357.4874 357.6243 357.7611 357.8980 358.0349 358.1717 358.3086 358.4454 358.5822 358.7190 358.8558 358.9925
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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: Formaldehyde slant column amount [moles per square meter], -9e99=fitting not successful
Column 23: Independent uncertainty of formaldehyde 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 formaldehyde 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 formaldehyde 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 formaldehyde 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: Formaldehyde effective temperature [K]
Column 28: Independent uncertainty of formaldehyde 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 formaldehyde 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 formaldehyde 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 formaldehyde fitting wavelength [nm], -9=fitting not successful
Column 32: Diffuse correction applied before fitting at effective fitting wavelength for formaldehyde [%], 0=no diffuse correction applied or fitting not requested, >0=measured diffuse correction, <0=(negative value of) calculated diffuse correction
Column 33: Nitrogen dioxide slant column amount [moles per square meter], -9e99=fitting not successful
Column 34: Independent uncertainty of nitrogen 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 nitrogen 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 nitrogen 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 nitrogen 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: Nitrogen dioxide effective temperature [K]
Column 39: Independent uncertainty of nitrogen 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 nitrogen 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 nitrogen 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 nitrogen dioxide fitting wavelength [nm], -9=fitting not successful
Column 43: Diffuse correction applied before fitting at effective fitting wavelength for nitrogen dioxide [%], 0=no diffuse correction applied or fitting not requested, >0=measured diffuse correction, <0=(negative value of) calculated diffuse correction
Column 44: Oxygen dimer slant column amount [moles squared per meter to the 5th], -9e99=fitting not successful
Column 45: Independent uncertainty of oxygen dimer slant column amount [moles squared per meter to the 5th], -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 46: Structured uncertainty of oxygen dimer slant column amount [moles squared per meter to the 5th], -7=not given since method "MEAS" was chosen, -9=spectral fitting not successful
Column 47: Common uncertainty of oxygen dimer slant column amount [moles squared per meter to the 5th], -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 48: rms-based uncertainty of oxygen dimer slant column amount [moles squared per meter to the 5th], -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 49: Oxygen dimer effective temperature [K]
Column 50: Independent uncertainty of oxygen dimer 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 51: Structured uncertainty of oxygen dimer 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 52: Common uncertainty of oxygen dimer 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 53: Effective oxygen dimer fitting wavelength [nm], -9=fitting not successful
Column 54: Diffuse correction applied before fitting at effective fitting wavelength for oxygen dimer [%], 0=no diffuse correction applied or fitting not requested, >0=measured diffuse correction, <0=(negative value of) calculated diffuse correction
Column 55: Ozone slant column amount [moles per square meter], -9e99=fitting not successful
Column 56: 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 57: 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 58: 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 59: 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 60: Ozone effective temperature [K]
Column 61: 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 62: 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 63: 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 64: Effective ozone fitting wavelength [nm], -9=fitting not successful
Column 65: 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 66: Fitted Ring spectrum, -9e99=no fitting done or fitting not successful
Column 67: Independent uncertainty of fitted Ring spectrum, -9=fitting not successful
Column 68: Structured uncertainty of fitted Ring spectrum, -9=fitting not successful
Column 69: Common uncertainty of fitted Ring spectrum, -9=fitting not successful
Column 70: rms-based uncertainty of fitted Ring spectrum, -9=fitting not successful
Column 71: Effective Ring fitting wavelength [nm], -9=fitting not done or not successful
Column 72: Diffuse correction applied before fitting at effective Ring fitting wavelength [%], 0=no diffuse correction applied, >0=measured diffuse correction, <0=(negative value of) calculated diffuse correction
Column 73: Lower limit used for wavelength scaling [nm]
Column 74: Upper limit used for wavelength scaling [nm]
Column 75: Order of smoothing polynomial
Column 76: Smoothing polynomial coefficient, order 0
Column 77: Independent uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful
Column 78: Structured uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful
Column 79: Common uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful
Column 80: rms-based uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful
Column 81: Smoothing polynomial coefficient, order 1
Column 82: Independent uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful
Column 83: Structured uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful
Column 84: Common uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful
Column 85: rms-based uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful
Column 86: Smoothing polynomial coefficient, order 2
Column 87: Independent uncertainty of smoothing polynomial coefficient, order 2, -9=fitting not successful
Column 88: Structured uncertainty of smoothing polynomial coefficient, order 2, -9=fitting not successful
Column 89: Common uncertainty of smoothing polynomial coefficient, order 2, -9=fitting not successful
Column 90: rms-based uncertainty of smoothing polynomial coefficient, order 2, -9=fitting not successful
Column 91: Smoothing polynomial coefficient, order 3
Column 92: Independent uncertainty of smoothing polynomial coefficient, order 3, -9=fitting not successful
Column 93: Structured uncertainty of smoothing polynomial coefficient, order 3, -9=fitting not successful
Column 94: Common uncertainty of smoothing polynomial coefficient, order 3, -9=fitting not successful
Column 95: rms-based uncertainty of smoothing polynomial coefficient, order 3, -9=fitting not successful
Column 96: Smoothing polynomial coefficient, order 4
Column 97: Independent uncertainty of smoothing polynomial coefficient, order 4, -9=fitting not successful
Column 98: Structured uncertainty of smoothing polynomial coefficient, order 4, -9=fitting not successful
Column 99: Common uncertainty of smoothing polynomial coefficient, order 4, -9=fitting not successful
Column 100: rms-based uncertainty of smoothing polynomial coefficient, order 4, -9=fitting not successful
Column 101: Mean value of measured data inside fitting window [same units as measurements]
Column 102: Offset polynomial coefficient, order 0
Column 103: Independent uncertainty of offset polynomial coefficient, order 0, -9=fitting not successful
Column 104: Structured uncertainty of offset polynomial coefficient, order 0, -9=fitting not successful
Column 105: Common uncertainty of offset polynomial coefficient, order 0, -9=fitting not successful
Column 106: rms-based uncertainty of offset polynomial coefficient, order 0, -9=fitting not successful
Column 107: Offset polynomial coefficient, order 1
Column 108: Independent uncertainty of offset polynomial coefficient, order 1, -9=fitting not successful
Column 109: Structured uncertainty of offset polynomial coefficient, order 1, -9=fitting not successful
Column 110: Common uncertainty of offset polynomial coefficient, order 1, -9=fitting not successful
Column 111: rms-based uncertainty of offset polynomial coefficient, order 1, -9=fitting not successful
Column 112: Wavelength change polynomial coefficient, order 0
Column 113: Independent uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful
Column 114: Structured uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful
Column 115: Common uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful
Column 116: rms-based uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful
Column 117: Wavelength change polynomial coefficient, order 1
Column 118: Independent uncertainty of wavelength change polynomial coefficient, order 1, -9=fitting not successful
Column 119: Structured uncertainty of wavelength change polynomial coefficient, order 1, -9=fitting not successful
Column 120: Common uncertainty of wavelength change polynomial coefficient, order 1, -9=fitting not successful
Column 121: rms-based uncertainty of wavelength change polynomial coefficient, order 1, -9=fitting not successful
Column 122: L1 based wavelength change coefficient, order 0, -9=no L1 wavelength change determination
Column 123: L1 based wavelength change coefficient, order 1, -9=no L1 wavelength change determination
Column 124: 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 125: 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 126: 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 127: 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 128: 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 129: 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 130: Atmospheric variability [%], 999=no atmospheric variability was determined
Column 131: Wavelength effective temperature [°C], 999=no effective temperature given
Column 132: Estimated average residual stray light level [%] (only valid for stray light correction methods 2 and higher)
Column 133: Retrieved wavelength shift from L1 data [nm], -9=no wavelength change determination
Column 134: Retrieved total wavelength shift [nm], -9=no wavelength change fitting
Column 135: Number of bright count cycles
Column 136: Number of dark count cycles
Column 137: Effective position of filterwheel #1, 0=filterwheel not used, 1-9 are valid positions
Column 138: Effective position of filterwheel #2, 0=filterwheel not used, 1-9 are valid positions
Column 139: Sum over 2^i, 0=spectra were interpolated in time, 1=spectra are corrected for off-target signal
Column 140: Integration time [ms]
Column 141: Temperature at electronics board [°C], 999=no temperature signal
Column 142: Spectrometer control temperature [°C], 999=no temperature signal
Column 143: Auxiliary spectrometer temperature [°C], 999=no temperature signal
Columns 144-364: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting
Columns 365-585: 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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