File name: Pandora177s1_WestportCT_20231225_L2Fit_fout2c7d20230401p1-8.txt
File generation date: 20241124T040919.0Z
Data description: Level 2 spectral fitting results file
Data file version: fout2c7p1-8
Local principal investigator: Lukas Valin
Network principal investigator: Alexander Cede
Instrument type: Pandora
Instrument number: 177
Spectrometer number: 1
Processing software version used: BlickP v1.8.60
Instrument operation file used: Pandora177_OF_v3d20201002.txt
Instrument calibration file used: Pandora177s1_CF_v7d20230401.txt
Level 1 file used: Pandora177s1_WestportCT_20231225_L1_smca1c7d20230401p1-8.txt
Full location name: Westport - Sherwood Island State Park CTDEEP (USEPA AQS ID 09-001-9003)
Short location name: WestportCT
Country of location: USA
Location latitude [deg]: 41.1183
Location longitude [deg]: -73.3367
Location altitude [m]: 4
Local noon date: 20231225
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: 218 359
Nominal wavelengths inside fitting window [nm]: 305.1028 305.2437 305.3847 305.5256 305.6665 305.8074 305.9483 306.0891 306.2300 306.3709 306.5117 306.6525 306.7934 306.9342 307.0750 307.2157 307.3565 307.4973 307.6380 307.7788 307.9195 308.0602 308.2009 308.3416 308.4823 308.6230 308.7637 308.9043 309.0450 309.1856 309.3262 309.4668 309.6074 309.7480 309.8886 310.0291 310.1697 310.3102 310.4508 310.5913 310.7318 310.8723 311.0128 311.1533 311.2937 311.4342 311.5746 311.7151 311.8555 311.9959 312.1363 312.2767 312.4170 312.5574 312.6978 312.8381 312.9784 313.1188 313.2591 313.3994 313.5396 313.6799 313.8202 313.9604 314.1007 314.2409 314.3811 314.5213 314.6615 314.8017 314.9419 315.0821 315.2222 315.3623 315.5025 315.6426 315.7827 315.9228 316.0629 316.2030 316.3430 316.4831 316.6231 316.7631 316.9031 317.0432 317.1831 317.3231 317.4631 317.6031 317.7430 317.8829 318.0229 318.1628 318.3027 318.4426 318.5825 318.7223 318.8622 319.0020 319.1419 319.2817 319.4215 319.5613 319.7011 319.8409 319.9807 320.1204 320.2602 320.3999 320.5396 320.6793 320.8190 320.9587 321.0984 321.2381 321.3777 321.5174 321.6570 321.7966 321.9362 322.0758 322.2154 322.3550 322.4946 322.6341 322.7736 322.9132 323.0527 323.1922 323.3317 323.4712 323.6107 323.7501 323.8896 324.0290 324.1684 324.3079 324.4473 324.5867 324.7260 324.8654
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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 100-241: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting
Columns 242-383: Normalized slant column residuals weighted with independent instrumental uncertainty for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting, 0=no independent instrumental uncertainty was given
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SS 20231225T175913.6Z 8759.749463 458 1 3.26 2 66.29 196.49 106.01 30.45 0.00 1 0.00 1 0 25 4.342e-02 1.195e-02 2.093e-02 3.683e-03 3.610466e-01 1.895862e-03 4.343162e-03 -6.000000e+00 2.545058e-02 223.07 -2.00 3.51 -2.00 318.14 0.00e+00 2.203170e-03 3.480898e-04 7.533515e-04 -6.000000e+00 1.109833e-03 276.42 -2.00 20.00 -2.00 317.56 0.00e+00 2.469 0.000 302.00 328.00 3 2.9111e+00 5.0282e-03 3.0578e-02 -6.0000e+00 6.2676e-02 -3.1107e-03 5.6982e-03 1.8124e-02 -6.0000e+00 6.8045e-02 6.6375e-03 3.8099e-03 9.4021e-03 -6.0000e+00 4.0521e-02 -7.0975e-03 1.9956e-03 3.2216e-03 -6.0000e+00 1.7416e-02 1.5566e-03 -8.4381e-05 1.1117e-04 3.3987e-05 -6.0000e+00 1.2754e-03 -1.2284e-03 0.0000e+00 12 9 9 12 1 1 81.93 22.97 0.20 -0.00123 -0.00186 5 21 1 5 0 542.440 26.32 19.98 22.97 16.08 22.6 962.32 3907 -9215 -1630 -9979 -14334 -4866 -24178 -5226 -17405 -13558 -20421 -9104 2144 -7944 -798 2080 991 -909 3283 -3422 -1644 -150 2322 3438 312 -28 -3404 -1207 -6590 -949 3762 4093 1821 -5121 -4215 -7625 -4472 -1451 -232 -1101 147 298 876 1319 1627 761 -259 1628 -1159 569 1564 1810 2949 1310 1381 759 791 -950 15 -345 1632 2762 3576 2373 55 -642 -1847 -772 1832 1614 581 1700 1136 516 -295 -1883 -2581 -3410 -2141 -2355 -2619 -2568 -2920 -1591 -390 320 972 1410 1463 1345 199 -617 -1910 -1123 -399 -274 864 1638 283 -426 -1364 -1561 -1105 -97 -1710 -1730 -1394 -464 878 1526 1257 641 445 -382 -276 -145 442 65 1100 917 661 1269 1195 729 529 -744 -569 626 277 -725 -933 -1365 -694 -3 225 34 735 709 409 184 -759 -1248 181 -535 -89 -557 -772 -234 -1523 -307 -1265 -985 -1636 -712 176 -862 -94 264 137 -135 493 -570 -273 -25 384 598 60 -5 -679 -227 -1276 -179 747 909 415 -1264 -997 -1885 -1194 -449 -84 -431 62 132 397 604 749 354 -121 746 -551 276 806 944 1624 770 840 477 502 -607 9 -217 1059 1818 2550 1809 43 -473 -1310 -553 1408 1311 513 1522 1005 436 -231 -1433 -1841 -2456 -1663 -1973 -2349 -2527 -3080 -1666 -430 355 1125 1652 1688 1557 216 -653 -1938 -1152 -420 -323 1071 2105 384 -568 -1775 -1875 -1288 -117 -2237 -2283 -1922 -639 1281 2277 1973 1018 681 -575 -387 -205 629 93 1663 1385 1004 1951 1776 1047 760 -1032 -769 869 401 -1145 -1484 -2247 -1129 -5 388 61 1344 1310 753 330 -1360 -2165