File name: Pandora177s1_WestportCT_20230930_L2Fit_fout2c3d20221101p1-8.txt
File generation date: 20231002T082226.6Z
Data description: Level 2 spectral fitting results file
Data file version: fout2c3p1-8
Local principal investigator: Lukas Valin
Network principal investigator: Alexander Cede
Instrument type: Pandora
Instrument number: 177
Spectrometer number: 1
Processing software version used: BlickP v1.8.49
Instrument operation file used: Pandora177_OF_v3d20201002.txt
Instrument calibration file used: Pandora177s1_CF_v3d20221101.txt
Level 1 file used: Pandora177s1_WestportCT_20230930_L1_smca1c3d20221101p1-8.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: 20230930
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: 218 360
Nominal wavelengths inside fitting window [nm]: 305.0382 305.1790 305.3198 305.4607 305.6015 305.7423 305.8831 306.0238 306.1646 306.3054 306.4461 306.5868 306.7276 306.8683 307.0090 307.1497 307.2904 307.4310 307.5717 307.7124 307.8530 307.9936 308.1343 308.2749 308.4155 308.5561 308.6967 308.8372 308.9778 309.1184 309.2589 309.3994 309.5400 309.6805 309.8210 309.9615 310.1019 310.2424 310.3829 310.5233 310.6638 310.8042 310.9446 311.0850 311.2254 311.3658 311.5062 311.6466 311.7869 311.9273 312.0676 312.2079 312.3482 312.4885 312.6288 312.7691 312.9094 313.0497 313.1899 313.3302 313.4704 313.6106 313.7508 313.8910 314.0312 314.1714 314.3116 314.4517 314.5919 314.7320 314.8721 315.0123 315.1524 315.2925 315.4325 315.5726 315.7127 315.8527 315.9928 316.1328 316.2728 316.4129 316.5529 316.6928 316.8328 316.9728 317.1128 317.2527 317.3926 317.5326 317.6725 317.8124 317.9523 318.0922 318.2320 318.3719 318.5118 318.6516 318.7914 318.9313 319.0711 319.2109 319.3507 319.4904 319.6302 319.7700 319.9097 320.0494 320.1892 320.3289 320.4686 320.6083 320.7480 320.8876 321.0273 321.1669 321.3066 321.4462 321.5858 321.7254 321.8650 322.0046 322.1442 322.2837 322.4233 322.5628 322.7024 322.8419 322.9814 323.1209 323.2604 323.3998 323.5393 323.6788 323.8182 323.9576 324.0971 324.2365 324.3759 324.5153 324.6546 324.7940 324.9334
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Column 1: Two letter code of measurement routine
Column 2: UT date and time for center-time of measurement, yyyymmddThhmmssZ (ISO 8601)
Column 3: Fractional days since 1-Jan-2000 midnight for center-time of measurement
Column 4: Routine count (1 for the first routine of the day, 2 for the second, etc.)
Column 5: Repetition count (1 for the first set in the routine, 2 for the second, etc.)
Column 6: Total duration of measurement set in seconds
Column 7: Data processing type index
Column 8: Solar zenith angle for center-time of measurement in degree
Column 9: Solar azimuth for center-time of measurement in degree, 0=north, increases clockwise
Column 10: Lunar zenith angle for center-time of measurement in degree
Column 11: Lunar azimuth for center-time of measurement in degree, 0=north, increases clockwise
Column 12: Pointing zenith angle in degree, absolute or relative (see next column), 999=tracker not used
Column 13: Zenith pointing mode: zenith angle is... 0=absolute, 1=relative to sun, 2=relative to moon
Column 14: Pointing azimuth in degree, increases clockwise, absolute (0=north) or relative (see next column), 999=tracker not used
Column 15: Azimuth pointing mode: like zenith angle mode but also fixed scattering angles relative to sun (3) or moon (4)
Column 16: Fitting result index: 0=no error or warning, 1, 2=warning, >2=error
Column 17: Number of function evaluations used, 0=linear fitting or fitting not successful or no fitting done
Column 18: rms of unweighted fitting residuals, -9=fitting not successful
Column 19: Normalized rms of fitting residuals weighted with independent uncertainty, -9=fitting not successful or no uncertainty used
Column 20: Expected rms based on independent uncertainty, -9=fitting not successful or no uncertainty given
Column 21: Expected normalized weighted rms based on independent uncertainty, -9=fitting not successful or no uncertainty given
Column 22: Ozone slant column amount [moles per square meter], -9e99=fitting not successful
Column 23: Independent uncertainty of ozone slant column amount [moles per square meter], -1=cross section is zero in this wavelength range, -3=spectral fitting was done, but no independent uncertainty could be retrieved, -5=no independent uncertainty input was given, -9=spectral fitting not successful
Column 24: Structured uncertainty of ozone slant column amount [moles per square meter], -7=not given since method "MEAS" was chosen, -9=spectral fitting not successful
Column 25: Common uncertainty of ozone slant column amount [moles per square meter], -1=cross section is zero in this wavelength range, -6=no common uncertainty input was given, -7=not given since method "MEAS" was chosen, -9=spectral fitting not successful
Column 26: rms-based uncertainty of ozone slant column amount [moles per square meter], -1=cross section is zero in this wavelength range, -3=spectral fitting was done, but no rms-based uncertainty could be retrieved, -9=spectral fitting not successful
Column 27: Ozone effective temperature [K]
Column 28: Independent uncertainty of ozone effective temperature [K], -1=temperature fitting was requested, but cross section is zero in this wavelength range, -2=no temperature fitting was requested and output for effective temperature and structured uncertainty of it is based on f-code, -3=spectral fitting was done, but no independent uncertainty could be retrieved, -4=temperature fitting was requested, but differential optical depth is too small to retrieve the temperature, -5=no independent uncertainty input was given, -9=spectral fitting not successful
Column 29: Structured uncertainty of ozone effective temperature [K], -1=temperature fitting was requested, but cross section is zero in this wavelength range, -4=temperature fitting was requested, but differential optical depth is too small to retrieve the temperature, -9=spectral fitting not successful
Column 30: Common uncertainty of ozone effective temperature [K], -1=temperature fitting was requested, but cross section is zero in this wavelength range, -2=no temperature fitting was requested and output for effective temperature and structured uncertainty of it is based on f-code, -3=spectral fitting was done, but no common uncertainty could be retrieved, -4=temperature fitting was requested, but differential optical depth is too small to retrieve the temperature, -6=no common uncertainty input was given, -9=spectral fitting not successful
Column 31: Effective ozone fitting wavelength [nm], -9=fitting not successful
Column 32: Diffuse correction applied before fitting at effective fitting wavelength for ozone [%], 0=no diffuse correction applied or fitting not requested, >0=measured diffuse correction, <0=(negative value of) calculated diffuse correction
Column 33: Sulfur dioxide slant column amount [moles per square meter], -9e99=fitting not successful
Column 34: Independent uncertainty of sulfur dioxide slant column amount [moles per square meter], -1=cross section is zero in this wavelength range, -3=spectral fitting was done, but no independent uncertainty could be retrieved, -5=no independent uncertainty input was given, -9=spectral fitting not successful
Column 35: Structured uncertainty of sulfur dioxide slant column amount [moles per square meter], -7=not given since method "MEAS" was chosen, -9=spectral fitting not successful
Column 36: Common uncertainty of sulfur dioxide slant column amount [moles per square meter], -1=cross section is zero in this wavelength range, -6=no common uncertainty input was given, -7=not given since method "MEAS" was chosen, -9=spectral fitting not successful
Column 37: rms-based uncertainty of sulfur dioxide slant column amount [moles per square meter], -1=cross section is zero in this wavelength range, -3=spectral fitting was done, but no rms-based uncertainty could be retrieved, -9=spectral fitting not successful
Column 38: Sulfur dioxide effective temperature [K]
Column 39: Independent uncertainty of sulfur dioxide effective temperature [K], -1=temperature fitting was requested, but cross section is zero in this wavelength range, -2=no temperature fitting was requested and output for effective temperature and structured uncertainty of it is based on f-code, -3=spectral fitting was done, but no independent uncertainty could be retrieved, -4=temperature fitting was requested, but differential optical depth is too small to retrieve the temperature, -5=no independent uncertainty input was given, -9=spectral fitting not successful
Column 40: Structured uncertainty of sulfur dioxide effective temperature [K], -1=temperature fitting was requested, but cross section is zero in this wavelength range, -4=temperature fitting was requested, but differential optical depth is too small to retrieve the temperature, -9=spectral fitting not successful
Column 41: Common uncertainty of sulfur dioxide effective temperature [K], -1=temperature fitting was requested, but cross section is zero in this wavelength range, -2=no temperature fitting was requested and output for effective temperature and structured uncertainty of it is based on f-code, -3=spectral fitting was done, but no common uncertainty could be retrieved, -4=temperature fitting was requested, but differential optical depth is too small to retrieve the temperature, -6=no common uncertainty input was given, -9=spectral fitting not successful
Column 42: Effective sulfur dioxide fitting wavelength [nm], -9=fitting not successful
Column 43: Diffuse correction applied before fitting at effective fitting wavelength for sulfur dioxide [%], 0=no diffuse correction applied or fitting not requested, >0=measured diffuse correction, <0=(negative value of) calculated diffuse correction
Column 44: Molecular scattering air mass factor used for molecular scattering subtraction before the fitting
Column 45: Estimated uncertainty of molecular scattering air mass factor, -9=molecular scattering was not subtracted before the fitting
Column 46: Lower limit used for wavelength scaling [nm]
Column 47: Upper limit used for wavelength scaling [nm]
Column 48: Order of smoothing polynomial
Column 49: Smoothing polynomial coefficient, order 0
Column 50: Independent uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful
Column 51: Structured uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful
Column 52: Common uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful
Column 53: rms-based uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful
Column 54: Smoothing polynomial coefficient, order 1
Column 55: Independent uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful
Column 56: Structured uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful
Column 57: Common uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful
Column 58: rms-based uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful
Column 59: Smoothing polynomial coefficient, order 2
Column 60: Independent uncertainty of smoothing polynomial coefficient, order 2, -9=fitting not successful
Column 61: Structured uncertainty of smoothing polynomial coefficient, order 2, -9=fitting not successful
Column 62: Common uncertainty of smoothing polynomial coefficient, order 2, -9=fitting not successful
Column 63: rms-based uncertainty of smoothing polynomial coefficient, order 2, -9=fitting not successful
Column 64: Smoothing polynomial coefficient, order 3
Column 65: Independent uncertainty of smoothing polynomial coefficient, order 3, -9=fitting not successful
Column 66: Structured uncertainty of smoothing polynomial coefficient, order 3, -9=fitting not successful
Column 67: Common uncertainty of smoothing polynomial coefficient, order 3, -9=fitting not successful
Column 68: rms-based uncertainty of smoothing polynomial coefficient, order 3, -9=fitting not successful
Column 69: Mean value of measured data inside fitting window [same units as measurements]
Column 70: Wavelength change polynomial coefficient, order 0
Column 71: Independent uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful
Column 72: Structured uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful
Column 73: Common uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful
Column 74: rms-based uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful
Column 75: L1 based wavelength change coefficient, order 0, -9=no L1 wavelength change determination
Column 76: L1 based wavelength change coefficient, order 1, -9=no L1 wavelength change determination
Column 77: L2Fit data quality flag: 0=assured high quality, 1=assured medium quality, 2=assured low quality, 10=not-assured high quality, 11=not-assured medium quality, 12=not-assured low quality
Column 78: Sum over 2^i using those i, for which the corresponding L2Fit data quality parameter exceeds the DQ1 limit, 0=L1 data quality above 0, 1=Spectral fitting was not successful, 2=Wavelength shift too large, 3=Normalized rms of fitting residuals weighted with independent uncertainty too large
Column 79: Sum over 2^i using those i, for which the corresponding L2Fit data quality parameter exceeds the DQ2 limit (same parameters as for DQ1)
Column 80: L1 data quality flag: 0=assured high quality, 1=assured medium quality, 2=assured low quality, 10=not-assured high quality, 11=not-assured medium quality, 12=not-assured low quality
Column 81: Sum over 2^i using those i, for which the corresponding L1 data quality parameter exceeds the DQ1 limit, 0=Saturated data, 1=Too few dark counts measurements, 2=No temperature given or effective temperature too different from the reference temperature, 3=Dark count too high, 4=Unsuccessful dark background fitting, 5=The dark count differs significantly from the dark map for too many pixels, 6=Absolute value of estimated average residual stray light level too high, 7=Although attempted, no wavelength change could be retrieved, 8=Absolute value of retrieved wavelength shift too large, 9=Retrieved wavelength shift differs too much from the shift predicted by the effective temperature
Column 82: Sum over 2^i using those i, for which the corresponding L1 data quality parameter exceeds the DQ2 limit (same parameters as for DQ1)
Column 83: Atmospheric variability [%], 999=no atmospheric variability was determined
Column 84: Wavelength effective temperature [°C], 999=no effective temperature given
Column 85: Estimated average residual stray light level [%] (only valid for stray light correction methods 2 and higher)
Column 86: Retrieved wavelength shift from L1 data [nm], -9=no wavelength change determination
Column 87: Retrieved total wavelength shift [nm], -9=no wavelength change fitting
Column 88: Number of bright count cycles
Column 89: Number of dark count cycles
Column 90: Effective position of filterwheel #1, 0=filterwheel not used, 1-9 are valid positions
Column 91: Effective position of filterwheel #2, 0=filterwheel not used, 1-9 are valid positions
Column 92: Sum over 2^i, 0=spectra were interpolated in time, 1=spectra are corrected for off-target signal
Column 93: Integration time [ms]
Column 94: Temperature at electronics board [°C], 999=no temperature signal
Column 95: Spectrometer control temperature [°C], 999=no temperature signal
Column 96: Auxiliary spectrometer temperature [°C], 999=no temperature signal
Column 97: Temperature in head sensor [°C], 999=no temperature signal
Column 98: Humidity in head sensor [%], -9=no humidity signal
Column 99: Pressure in head sensor [hPa], -9=no pressure signal
Columns 100-242: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting
Columns 243-385: Normalized slant column residuals weighted with independent instrumental uncertainty for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting, 0=no independent instrumental uncertainty was given
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SS 20230930T161306.1Z 8673.675765 414 1 49.22 2 44.54 169.19 125.79 331.12 0.00 1 0.00 1 0 25 1.450e-02 1.042e-02 2.257e-03 1.180e-03 1.731248e-01 6.124549e-04 2.066820e-03 -6.000000e+00 8.620803e-03 227.58 -2.00 3.51 -2.00 316.19 0.00e+00 9.384750e-04 6.872305e-05 1.889978e-04 -6.000000e+00 3.882194e-04 285.97 -2.00 20.00 -2.00 315.43 0.00e+00 1.401 0.000 302.00 328.00 3 4.1889e+00 1.5878e-03 1.6486e-02 -6.0000e+00 2.1359e-02 3.8234e-02 1.7821e-03 8.7310e-03 -6.0000e+00 2.3202e-02 -2.4546e-03 1.0164e-03 4.2483e-03 -6.0000e+00 1.3860e-02 -7.7501e-03 4.5769e-04 1.2294e-03 -6.0000e+00 5.7721e-03 1.6758e-03 1.0900e-03 3.7365e-05 1.5176e-05 -6.0000e+00 4.4032e-04 5.9910e-02 1.0397e-05 12 8 8 10 0 0 99.93 22.93 0.34 0.05991 0.06810 55 13 1 5 0 894.810 26.32 20.00 22.93 19.17 22.0 976.32 2023 -107 -1993 -3243 -3396 -1225 348 1978 -1989 -3486 -4727 -1934 -1064 291 898 -249 335 1081 1579 1704 1003 813 1004 2154 1921 371 -946 -748 -584 100 2038 1453 327 -3698 -5180 -3665 -2681 -834 -202 -930 -689 -176 297 214 451 202 -562 -568 -555 675 1277 1059 1070 928 752 1297 249 -610 -117 167 1475 2516 2474 1685 -322 -1134 -1322 29 2276 1079 689 1176 991 877 -259 -1576 -2235 -2400 -1572 -2083 -2526 -2656 -2898 -1198 -157 341 958 936 1211 973 458 -721 -1048 62 -30 -165 382 796 -150 -575 -1328 -1692 -432 -431 -1738 -1740 -979 -589 896 1339 1159 650 587 -28 121 -39 229 150 598 307 364 390 1007 784 902 -177 -143 926 95 -384 -798 -981 -178 211 269 -12 613 657 374 -178 -424 -1235 -712 450 -25 -473 -719 -686 -234 70 432 -484 -873 -1190 -489 -293 89 299 -89 122 401 598 660 395 319 398 881 821 163 -406 -302 -222 37 767 586 139 -1610 -2195 -1535 -1226 -440 -113 -584 -463 -122 208 151 316 140 -381 -371 -353 427 837 735 778 696 577 1005 196 -480 -91 130 1184 2135 2230 1569 -296 -966 -1045 23 1863 986 676 1180 987 838 -232 -1289 -1846 -1926 -1319 -1768 -2377 -2703 -3130 -1343 -186 429 1151 1144 1588 1222 534 -770 -1038 60 -30 -185 466 1039 -204 -764 -1657 -1986 -496 -518 -2263 -2394 -1278 -796 1253 1952 1733 965 825 -39 159 -49 290 201 849 422 511 541 1463 1094 1197 -225 -176 1141 124 -534 -1148 -1436 -265 327 402 -18 978 1061 605 -284 -658 -1878 -1078