File name: Pandora281s1_CambridgeBay_20250414_L2Fit_fout2c3d20240201p1-8.txt
File generation date: 20260311T015230.4Z
Data description: Level 2 spectral fitting results file
Data file version: fout2c3p1-8
Local principal investigator: Kimberly Strong
Network principal investigator: Alexander Cede
Instrument type: Pandora
Instrument number: 281
Spectrometer number: 1
Processing software version used: BlickP v1.8.88
Instrument operation file used: Pandora281_OF_v3d20230823.txt
Instrument calibration file used: Pandora281s1_CF_v3d20240201.txt
Level 1 file used: Pandora281s1_CambridgeBay_20250414_L1_smca1c3d20240201p1-8.txt
Full location name: Cambridge Bay, Nunavut: Canadian High Arctic Reseach Station
Short location name: CambridgeBay
Country of location: Canada
Location latitude [deg]: 69.1212
Location longitude [deg]: -105.0398
Location altitude [m]: 10
Local noon date: 20250414
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: 197 339
Nominal wavelengths inside fitting window [nm]: 305.1101 305.2506 305.3912 305.5317 305.6722 305.8127 305.9532 306.0937 306.2342 306.3746 306.5151 306.6555 306.7959 306.9363 307.0767 307.2171 307.3575 307.4979 307.6382 307.7786 307.9189 308.0592 308.1995 308.3398 308.4801 308.6204 308.7607 308.9009 309.0412 309.1814 309.3216 309.4619 309.6021 309.7422 309.8824 310.0226 310.1627 310.3029 310.4430 310.5831 310.7233 310.8634 311.0035 311.1435 311.2836 311.4237 311.5637 311.7037 311.8438 311.9838 312.1238 312.2638 312.4037 312.5437 312.6837 312.8236 312.9635 313.1035 313.2434 313.3833 313.5231 313.6630 313.8029 313.9427 314.0826 314.2224 314.3622 314.5020 314.6418 314.7816 314.9214 315.0612 315.2009 315.3407 315.4804 315.6201 315.7598 315.8995 316.0392 316.1789 316.3185 316.4582 316.5978 316.7375 316.8771 317.0167 317.1563 317.2959 317.4354 317.5750 317.7145 317.8541 317.9936 318.1331 318.2726 318.4121 318.5516 318.6911 318.8305 318.9700 319.1094 319.2488 319.3882 319.5276 319.6670 319.8064 319.9458 320.0851 320.2245 320.3638 320.5031 320.6424 320.7817 320.9210 321.0603 321.1996 321.3388 321.4780 321.6173 321.7565 321.8957 322.0349 322.1741 322.3133 322.4524 322.5916 322.7307 322.8698 323.0089 323.1480 323.2871 323.4262 323.5653 323.7043 323.8434 323.9824 324.1215 324.2605 324.3995 324.5385 324.6774 324.8164 324.9553
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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 20250414T220224.2Z 9235.918335 470 1 54.30 2 66.15 230.26 129.25 32.60 0.00 1 0.00 1 0 25 9.845e-02 3.732e-02 1.521e-02 5.525e-03 3.867341e-01 2.855003e-03 6.481332e-03 -6.000000e+00 5.794032e-02 227.77 -2.00 4.87 -2.00 318.16 0.00e+00 4.505558e-03 4.237564e-04 1.187086e-03 -6.000000e+00 2.352702e-03 260.60 -2.00 20.00 -2.00 317.78 0.00e+00 2.456 0.000 302.00 328.00 3 6.0804e+00 7.5298e-03 3.6973e-02 -6.0000e+00 1.4484e-01 3.7075e-01 8.4847e-03 2.6839e-02 -6.0000e+00 1.5780e-01 -5.1110e-01 5.0198e-03 1.3590e-02 -6.0000e+00 9.2843e-02 2.3948e-01 2.4142e-03 5.1814e-03 -6.0000e+00 3.8284e-02 6.1758e-05 -8.2181e-05 1.7084e-04 6.0923e-05 -6.0000e+00 2.9365e-03 6.9083e-04 0.0000e+00 12 9 8 11 32 0 -35.63 26.70 1.74 0.00069 0.00007 35 4 1 5 0 1551.200 34.75 19.99 26.70 -10.15 4.2 1100.00 7780 8096 17905 1253 -25625 -27750 -30285 -27338 -35479 -24499 -40524 -11181 2511 5547 2570 -6997 3459 15664 1477 9818 4833 -3679 -954 16089 16682 -7099 -9448 -9770 -11019 -15209 4569 -4563 -666 4872 -10597 -17456 -2603 -8980 8545 9394 25388 19346 19388 12959 8780 5811 6922 1815 -463 12539 9333 4473 10836 851 9916 4441 724 4203 1965 2961 3218 1076 9837 7550 7213 -531 -3918 -2144 -3985 -1052 2097 1982 1541 1885 -5130 -9290 -13301 -12162 -10775 -6954 -8250 -3471 -2548 -1900 -1379 1700 2005 924 4244 1493 -1957 -3878 -9533 -7500 -5067 -3786 -2939 1908 194 1041 -2762 -4418 -3446 -2943 -339 -276 1113 1978 4435 3355 4114 3883 1174 1252 -606 -995 -1941 -1631 1287 2057 2743 4386 2310 3250 979 -1722 -1972 -2261 1371 932 1273 174 -677 -1102 -4 594 -891 -334 864 -444 -183 -2448 -1753 1155 1249 2420 178 -4192 -4390 -4984 -5023 -6638 -4488 -8602 -1892 425 1052 568 -1836 848 3494 385 2354 1187 -953 -240 3450 3577 -1924 -2525 -2442 -2671 -3958 1059 -1256 -187 1281 -3049 -5361 -747 -3140 2909 3563 8741 7296 7437 5299 3718 2514 2909 790 -205 4993 4063 2171 5190 469 5091 2426 410 2249 1047 1557 1753 646 5878 4873 4617 -345 -2518 -1357 -2765 -789 1637 1591 1219 1404 -3751 -6372 -8778 -7843 -7402 -5216 -7063 -3125 -2427 -1895 -1460 1683 2069 987 4353 1652 -2075 -3863 -9455 -7297 -5187 -4283 -3375 2312 252 1311 -3394 -5085 -4100 -3574 -389 -334 1400 2608 6092 5015 6476 6238 1884 1891 -869 -1365 -2695 -2357 1918 3188 4258 6572 3429 4577 1341 -2316 -2572 -3023 1902 1401 2027 292 -1176 -2005 -7 1171 -1823 -689 1753 -880 -345 -4522 -3137
SS 20250414T220855.4Z 9235.922864 473 1 54.69 2 66.60 231.94 128.96 34.46 0.00 1 0.00 1 0 25 1.055e-01 3.828e-02 1.565e-02 5.686e-03 3.934942e-01 2.941202e-03 6.533278e-03 -6.000000e+00 6.209163e-02 227.77 -2.00 4.87 -2.00 318.19 0.00e+00 5.497440e-03 4.380503e-04 9.966759e-04 -6.000000e+00 2.521379e-03 260.60 -2.00 20.00 -2.00 317.83 0.00e+00 2.499 0.000 302.00 328.00 3 6.0597e+00 7.7806e-03 3.7647e-02 -6.0000e+00 1.5522e-01 3.9196e-01 8.7625e-03 2.7486e-02 -6.0000e+00 1.6911e-01 -5.3516e-01 5.1667e-03 1.3818e-02 -6.0000e+00 9.9497e-02 2.5063e-01 2.4772e-03 5.6538e-03 -6.0000e+00 4.1026e-02 5.9393e-05 -5.4449e-04 1.7560e-04 6.4191e-05 -6.0000e+00 3.1470e-03 1.0181e-03 0.0000e+00 12 9 8 11 32 0 -0.00 26.71 1.76 0.00102 -0.00307 35 4 1 5 0 1562.350 34.75 19.99 26.71 -10.19 4.2 1100.00 5595 11697 -17680 1233 -28485 -30143 -37261 -27101 -35886 -31013 -19945 -12873 -5656 6917 -1750 30902 9339 20880 6909 13937 5191 746 2916 10303 16540 -6940 -10829 -9782 -11323 -25909 11776 -8502 2254 6004 -14326 -18323 -1503 11461 4202 4089 29942 17502 15472 12819 6416 6533 3984 -3869 1097 11402 10096 4285 12773 9394 6412 5819 -397 1870 238 3074 5373 1338 9129 6186 4828 759 -3996 -591 -3977 -836 972 2834 1127 343 -2614 -11752 -12281 -12782 -10231 -8343 -8821 -3568 -3616 -2405 -1227 2205 1770 1432 6054 1922 -1689 -6368 -9487 -7300 -5661 -4435 -1427 1378 514 689 -2503 -2551 -4033 -2642 909 -9 969 2215 2588 3722 4341 4808 1419 1221 39 -1689 -1914 -1909 628 2274 2649 4214 2387 2913 721 -1950 -2064 -2345 934 1280 1179 -103 -406 -1096 -926 222 -911 202 491 50 -708 -1616 -1419 863 1775 -3485 179 -4882 -4938 -6593 -4494 -6675 -5984 -3395 -2184 -1029 1289 -404 5569 2170 4446 1716 3222 1275 185 702 2314 3494 -1843 -2882 -2408 -2719 -7427 2520 -2423 614 1558 -4266 -5639 -423 3222 1470 1608 9679 6609 6074 5175 2747 2775 1708 -1768 475 4552 4322 2065 5942 4709 3371 3095 -224 1009 127 1590 2821 789 5421 4003 3137 483 -2551 -365 -2730 -619 759 2233 886 256 -1845 -8178 -7940 -8208 -6915 -6282 -7528 -3189 -3454 -2391 -1286 2368 1815 1508 6660 2106 -1776 -6465 -9348 -7039 -5788 -5019 -1606 1673 662 871 -3070 -2881 -4815 -3184 1027 -11 1215 2901 3605 5524 6804 7649 2275 1849 55 -2337 -2659 -2766 942 3517 4117 6326 3541 4117 990 -2630 -2695 -3138 1301 1920 1882 -174 -706 -2000 -1778 441 -1868 416 1002 98 -1348 -2966 -2533