File name: Pandora249s1_ChicagoIL_20230720_L2Fit_ffuh5c3d20230501p1-8.txt
File generation date: 20240912T074100.1Z
Data description: Level 2 spectral fitting results file
Data file version: ffuh5c3p1-8
Local principal investigator: John Randazzo
Network principal investigator: Alexander Cede
Instrument type: Pandora
Instrument number: 249
Spectrometer number: 1
Processing software version used: BlickP v1.8.59
Instrument operation file used: Pandora249_OF_v2d20221026.txt
Instrument calibration file used: Pandora249s1_CF_v3d20230501.txt
Level 1 file used: Pandora249s1_ChicagoIL_20230720_L1_smca1c3d20230501p1-8.txt
Full location name: North Park University Chicago
Short location name: ChicagoIL
Country of location: United States
Location latitude [deg]: 41.9748
Location longitude [deg]: -87.7120
Location altitude [m]: 200
Local noon date: 20230720
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: based on session 2"OoB session" for fieldcal
First and last pixel inside fitting window: 360 581
Nominal wavelengths inside fitting window [nm]: 328.5074 328.6463 328.7851 328.9240 329.0628 329.2016 329.3404 329.4792 329.6180 329.7568 329.8955 330.0343 330.1730 330.3117 330.4504 330.5891 330.7278 330.8665 331.0052 331.1438 331.2824 331.4211 331.5597 331.6983 331.8369 331.9754 332.1140 332.2525 332.3911 332.5296 332.6681 332.8066 332.9451 333.0836 333.2220 333.3605 333.4989 333.6374 333.7758 333.9142 334.0526 334.1909 334.3293 334.4677 334.6060 334.7443 334.8826 335.0209 335.1592 335.2975 335.4358 335.5740 335.7123 335.8505 335.9887 336.1269 336.2651 336.4033 336.5415 336.6796 336.8178 336.9559 337.0940 337.2322 337.3702 337.5083 337.6464 337.7845 337.9225 338.0605 338.1986 338.3366 338.4746 338.6126 338.7505 338.8885 339.0264 339.1644 339.3023 339.4402 339.5781 339.7160 339.8539 339.9917 340.1296 340.2674 340.4053 340.5431 340.6809 340.8187 340.9564 341.0942 341.2320 341.3697 341.5074 341.6451 341.7828 341.9205 342.0582 342.1959 342.3335 342.4712 342.6088 342.7464 342.8840 343.0216 343.1592 343.2968 343.4343 343.5719 343.7094 343.8469 343.9844 344.1219 344.2594 344.3969 344.5343 344.6718 344.8092 344.9466 345.0840 345.2214 345.3588 345.4962 345.6335 345.7709 345.9082 346.0455 346.1828 346.3201 346.4574 346.5947 346.7319 346.8692 347.0064 347.1436 347.2809 347.4180 347.5552 347.6924 347.8296 347.9667 348.1038 348.2410 348.3781 348.5152 348.6523 348.7893 348.9264 349.0634 349.2005 349.3375 349.4745 349.6115 349.7485 349.8855 350.0224 350.1594 350.2963 350.4332 350.5701 350.7070 350.8439 350.9808 351.1177 351.2545 351.3913 351.5282 351.6650 351.8018 351.9386 352.0753 352.2121 352.3488 352.4856 352.6223 352.7590 352.8957 353.0324 353.1691 353.3057 353.4424 353.5790 353.7156 353.8522 353.9888 354.1254 354.2620 354.3986 354.5351 354.6716 354.8082 354.9447 355.0812 355.2177 355.3541 355.4906 355.6270 355.7635 355.8999 356.0363 356.1727 356.3091 356.4455 356.5818 356.7182 356.8545 356.9908 357.1271 357.2634 357.3997 357.5360 357.6722 357.8085 357.9447 358.0809 358.2171 358.3533 358.4895 358.6257 358.7618 358.8980
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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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