File name: Pandora74s1_EdwardsCA_20230913_L2Fit_ffuh5c9d20230715p1-8.txt
File generation date: 20241108T011141.1Z
Data description: Level 2 spectral fitting results file
Data file version: ffuh5c9p1-8
Local principal investigator: James Podolske
Network principal investigator: Alexander Cede
Instrument type: Pandora
Instrument number: 74
Spectrometer number: 1
Processing software version used: BlickP v1.8.60
Instrument operation file used: Pandora74_OF_v3d20211222.txt
Instrument calibration file used: Pandora74s1_CF_v9d20230715.txt
Level 1 file used: Pandora74s1_EdwardsCA_20230913_L1_smca1c9d20230715p1-8.txt
Full location name: NASA Neil A. Armstrong Flight Research Center
Short location name: EdwardsCA
Country of location: United States
Location latitude [deg]: 34.9600
Location longitude [deg]: -117.8811
Location altitude [m]: 692
Local noon date: 20230913
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: Based on session 6 to revisit SO2
First and last pixel inside fitting window: 406 627
Nominal wavelengths inside fitting window [nm]: 328.5137 328.6528 328.7919 328.9310 329.0701 329.2092 329.3482 329.4872 329.6263 329.7653 329.9043 330.0433 330.1822 330.3212 330.4602 330.5991 330.7380 330.8770 331.0159 331.1548 331.2936 331.4325 331.5714 331.7102 331.8491 331.9879 332.1267 332.2655 332.4043 332.5431 332.6818 332.8206 332.9593 333.0981 333.2368 333.3755 333.5142 333.6529 333.7916 333.9302 334.0689 334.2075 334.3461 334.4848 334.6234 334.7619 334.9005 335.0391 335.1777 335.3162 335.4547 335.5932 335.7318 335.8703 336.0087 336.1472 336.2857 336.4241 336.5626 336.7010 336.8394 336.9778 337.1162 337.2546 337.3929 337.5313 337.6696 337.8080 337.9463 338.0846 338.2229 338.3612 338.4994 338.6377 338.7759 338.9142 339.0524 339.1906 339.3288 339.4670 339.6052 339.7433 339.8815 340.0196 340.1578 340.2959 340.4340 340.5721 340.7102 340.8482 340.9863 341.1243 341.2624 341.4004 341.5384 341.6764 341.8144 341.9524 342.0903 342.2283 342.3662 342.5041 342.6420 342.7799 342.9178 343.0557 343.1936 343.3314 343.4693 343.6071 343.7449 343.8827 344.0205 344.1583 344.2961 344.4338 344.5716 344.7093 344.8470 344.9847 345.1224 345.2601 345.3978 345.5354 345.6731 345.8107 345.9484 346.0860 346.2236 346.3612 346.4987 346.6363 346.7738 346.9114 347.0489 347.1864 347.3239 347.4614 347.5989 347.7364 347.8738 348.0113 348.1487 348.2861 348.4235 348.5609 348.6983 348.8357 348.9730 349.1104 349.2477 349.3850 349.5223 349.6596 349.7969 349.9342 350.0715 350.2087 350.3459 350.4832 350.6204 350.7576 350.8948 351.0319 351.1691 351.3062 351.4434 351.5805 351.7176 351.8547 351.9918 352.1289 352.2660 352.4030 352.5401 352.6771 352.8141 352.9511 353.0881 353.2251 353.3620 353.4990 353.6359 353.7729 353.9098 354.0467 354.1836 354.3205 354.4573 354.5942 354.7310 354.8679 355.0047 355.1415 355.2783 355.4151 355.5518 355.6886 355.8253 355.9621 356.0988 356.2355 356.3722 356.5089 356.6455 356.7822 356.9188 357.0555 357.1921 357.3287 357.4653 357.6019 357.7384 357.8750 358.0116 358.1481 358.2846 358.4211 358.5576 358.6941 358.8306 358.9670
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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
Column 144: Temperature in head sensor [°C], 999=no temperature signal
Column 145: Humidity in head sensor [%], -9=no humidity signal
Column 146: Pressure in head sensor [hPa], -9=no pressure signal
Columns 147-368: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting
Columns 369-590: 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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