File name: Pandora281s1_CambridgeBay_20260213_L2Fit_fout2c2d20240201p1-8.txt
File generation date: 20260217T181101.9Z
Data description: Level 2 spectral fitting results file
Data file version: fout2c2p1-8
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_v2d20240201.txt
Level 1 file used: Pandora281s1_CambridgeBay_20260213_L1_smca1c2d20240201p1-8.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: 20260213
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: OoB based on session 1
First and last pixel inside fitting window: 197 339
Nominal wavelengths inside fitting window [nm]: 305.1335 305.2741 305.4146 305.5551 305.6956 305.8361 305.9766 306.1171 306.2575 306.3980 306.5384 306.6788 306.8193 306.9597 307.1001 307.2405 307.3808 307.5212 307.6615 307.8019 307.9422 308.0825 308.2228 308.3631 308.5034 308.6437 308.7840 308.9242 309.0645 309.2047 309.3449 309.4851 309.6253 309.7655 309.9057 310.0458 310.1860 310.3261 310.4663 310.6064 310.7465 310.8866 311.0267 311.1668 311.3068 311.4469 311.5869 311.7269 311.8670 312.0070 312.1470 312.2870 312.4269 312.5669 312.7068 312.8468 312.9867 313.1266 313.2665 313.4064 313.5463 313.6862 313.8261 313.9659 314.1058 314.2456 314.3854 314.5252 314.6650 314.8048 314.9446 315.0843 315.2241 315.3638 315.5035 315.6433 315.7830 315.9227 316.0623 316.2020 316.3417 316.4813 316.6210 316.7606 316.9002 317.0398 317.1794 317.3190 317.4585 317.5981 317.7377 317.8772 318.0167 318.1562 318.2957 318.4352 318.5747 318.7142 318.8536 318.9931 319.1325 319.2719 319.4113 319.5507 319.6901 319.8295 319.9689 320.1082 320.2476 320.3869 320.5262 320.6655 320.8048 320.9441 321.0834 321.2227 321.3619 321.5011 321.6404 321.7796 321.9188 322.0580 322.1972 322.3363 322.4755 322.6147 322.7538 322.8929 323.0320 323.1711 323.3102 323.4493 323.5884 323.7274 323.8665 324.0055 324.1445 324.2835 324.4225 324.5615 324.7005 324.8395 324.9784
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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 20260213T210622.5Z 9540.879427 38 1 19.32 2 84.60 207.35 109.74 242.76 0.00 1 0.00 1 0 233 1.214e-01 1.109e-01 1.443e-03 1.292e-03 2.120219e-01 6.576210e-04 3.467092e-03 -6.000000e+00 6.896881e-02 219.05 -2.00 4.87 -2.00 313.06 0.00e+00 1.533632e-03 3.923816e-05 3.438513e-04 -6.000000e+00 2.833588e-03 254.73 -2.00 20.00 -2.00 312.93 0.00e+00 9.305 0.024 302.00 328.00 3 -4.3005e+00 1.6307e-03 9.5741e-02 -6.0000e+00 1.6945e-01 1.3883e+00 1.8402e-03 1.6278e-02 -6.0000e+00 1.8603e-01 -4.6183e-01 1.0569e-03 6.5484e-03 -6.0000e+00 1.0980e-01 9.7504e-02 4.2737e-04 1.8531e-03 -6.0000e+00 4.5819e-02 3.2366e-03 2.1158e-02 3.8563e-05 4.9385e-05 -6.0000e+00 3.6125e-03 -1.1552e-02 -1.4532e-04 12 8 8 10 0 0 96.11 26.23 1.58 -0.01155 0.14744 2980 320 1 5 0 6.480 34.25 20.00 26.23 -31.68 4.3 1021.64 24115 16428 277 -11295 -14499 -11120 -6685 -4946 -8915 -12821 -9734 -1297 6753 13056 15024 14087 13820 12839 11388 7329 4164 4217 5038 4816 2439 -5021 -14646 -21310 -22874 -19683 -16458 -15353 -21029 -28381 -27470 -18472 -4710 7283 16407 18966 20113 19629 17157 13774 10617 5068 350 -3328 -3354 -394 2880 5868 6986 6931 5716 4399 1129 -1831 -2013 1057 6368 11405 11306 4793 -5087 -11302 -11749 -5318 3758 8622 9251 5715 -744 -10216 -21511 -30722 -33125 -26824 -17663 -9090 -2820 907 5018 10749 15185 18290 18850 16806 10268 887 -8427 -16091 -17045 -11611 -3672 4313 9737 9517 4210 -2965 -9946 -10929 -5580 1319 5084 8778 12280 15853 19300 20123 16843 9806 597 -7708 -11858 -10609 -5925 249 4431 5666 4526 2015 -2153 -7257 -11698 -15099 -12704 -8476 -5487 -4402 -5137 -4990 -3160 356 2516 4099 5662 5344 2860 1023 93 597 4455 14747 10063 173 -7065 -9119 -7028 -4263 -3169 -5774 -8362 -6406 -856 4492 8727 10090 9544 9410 8810 7842 5082 2901 2945 3524 3379 1720 -3579 -10440 -15165 -16443 -14174 -11912 -11190 -15397 -20906 -20417 -15175 -3856 6046 13586 15879 16839 16486 14501 11765 9059 4362 302 -2880 -2918 -345 2533 5162 6204 6172 5138 3956 1020 -1662 -1832 968 5865 10513 10530 4483 -4778 -10592 -11024 -5036 3558 8197 8839 5498 -717 -9812 -20623 -29531 -31891 -25855 -17196 -8913 -2791 905 5044 10855 15456 18691 19392 17281 10570 914 -8648 -16537 -17563 -12049 -3858 4604 10604 10557 4722 -3330 -11152 -12094 -6150 1449 5627 9773 13758 17975 22206 23610 20102 11864 729 -9438 -14484 -12947 -7256 306 5489 7005 5570 2465 -2613 -8780 -14068 -18174 -15269 -10342 -6852 -5650 -6786 -6727 -4361 500 3603 5927 8205 7733 4124 1453 129 821 6105
SS 20260213T210634.2Z 9540.879563 38 2 4.02 2 84.60 207.39 109.75 242.80 0.00 1 0.00 1 7 257 1.230e-01 1.135e-01 2.986e-03 2.687e-03 2.335688e-01 1.390581e-03 3.326380e-03 -6.000000e+00 6.978560e-02 219.05 -2.00 4.87 -2.00 313.02 0.00e+00 6.705081e-04 8.013468e-05 3.316124e-04 -6.000000e+00 2.869255e-03 254.73 -2.00 20.00 -2.00 312.89 0.00e+00 9.315 0.024 302.00 328.00 3 -4.4562e+00 3.4441e-03 9.5771e-02 -6.0000e+00 1.7146e-01 1.4586e+00 3.8602e-03 1.5824e-02 -6.0000e+00 1.8830e-01 -4.8487e-01 2.2239e-03 6.2051e-03 -6.0000e+00 1.1114e-01 9.7345e-02 9.2056e-04 1.7119e-03 -6.0000e+00 4.6340e-02 3.5152e-03 -2.4837e-03 8.0256e-05 4.8832e-05 -6.0000e+00 3.6602e-03 -9.0444e-03 -3.3193e-04 12 11 11 12 1 1 56.60 26.23 1.59 -0.00904 -0.02771 618 320 1 5 0 6.480 34.25 20.00 26.23 -31.68 4.3 1021.42 22236 21837 14461 619 -12798 -16821 -13297 -9803 -6533 -8740 -12815 -11235 -4006 4690 12115 14396 13403 12656 11582 10992 6754 3775 3820 4512 5194 2918 -2085 -12979 -20694 -22696 -19722 -17390 -15381 -19430 -27853 -28496 -20281 -8108 6423 14875 19835 20671 19649 17030 14409 11369 6842 1072 -2639 -3307 -166 3259 4866 7177 7301 7270 5552 2742 -975 -2530 129 4709 10467 12326 7191 -2105 -9555 -11908 -5827 2903 9046 9517 6774 1967 -7524 -19333 -29267 -33021 -29345 -19726 -11149 -3788 325 3961 9271 14683 17420 18850 17526 11767 2469 -6537 -15251 -17444 -13667 -6672 1283 8019 10021 6419 -380 -6956 -10647 -6946 -1032 3694 7536 10292 13462 17247 19085 17226 11735 3882 -4242 -10231 -10425 -6806 -1082 4055 6395 5583 3394 -941 -5866 -10670 -14553 -15023 -11594 -9008 -6934 -6192 -6266 -4347 -742 2591 4869 6862 7341 5754 4522 2084 1093 13649 13545 9080 390 -8121 -10682 -8435 -6368 -4254 -5729 -8458 -7499 -2697 3162 8161 9797 9220 8776 8092 7648 4756 2659 2698 3212 3693 2098 -1491 -9405 -14980 -16489 -14347 -12824 -11409 -14440 -20866 -23609 -16830 -6788 5350 12604 16739 17527 16814 14680 12432 9810 5907 937 -2311 -2908 -146 2887 4375 6467 6608 6568 5047 2493 -892 -2331 119 4398 9766 11542 6774 -1984 -9038 -11326 -5535 2772 8623 9191 6566 1887 -7239 -18677 -28396 -32047 -28825 -19439 -11098 -3785 327 4017 9464 14981 17952 19460 18074 12153 2562 -6747 -15844 -18127 -14388 -7157 1399 8873 11195 7183 -424 -7680 -11717 -7635 -1145 4100 8404 11658 15495 20146 22693 20775 14251 4721 -5141 -12449 -12693 -8332 -1332 4996 7823 6799 4112 -1137 -7049 -12790 -17426 -18299 -14436 -11567 -9109 -8282 -8552 -6038 -1048 3696 6969 9816 10450 8100 6224 2850 1488