File name: Pandora281s1_CambridgeBay_20250414_L2Fit_fout2c2d20240201p1-8.txt
File generation date: 20250415T070451.6Z
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 v1.8.75
Instrument operation file used: Pandora281_OF_v3d20230823.txt
Instrument calibration file used: Pandora281s1_CF_v2d20240201.txt
Level 1 file used: Pandora281s1_CambridgeBay_20250414_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: 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: 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 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 9.840e-02 3.730e-02 1.521e-02 5.524e-03 3.864454e-01 2.853921e-03 6.505234e-03 -6.000000e+00 5.786634e-02 227.77 -2.00 4.87 -2.00 318.17 0.00e+00 4.488793e-03 4.238046e-04 1.193004e-03 -6.000000e+00 2.351672e-03 260.60 -2.00 20.00 -2.00 317.79 0.00e+00 2.456 0.000 302.00 328.00 3 6.1773e+00 7.5267e-03 3.6989e-02 -6.0000e+00 1.4465e-01 3.6958e-01 8.4812e-03 2.6864e-02 -6.0000e+00 1.5764e-01 -5.1066e-01 5.0178e-03 1.3597e-02 -6.0000e+00 9.2752e-02 2.3941e-01 2.4142e-03 5.0805e-03 -6.0000e+00 3.8212e-02 5.6115e-05 -1.0647e-03 1.7058e-04 6.0633e-05 -6.0000e+00 2.9363e-03 -1.9198e-02 -1.4888e-04 12 9 8 11 32 0 -35.63 26.70 1.74 -0.01920 -0.02720 35 4 1 5 0 1551.200 34.75 19.99 26.70 -10.15 4.2 1100.00 7898 8066 17713 941 -25839 -27803 -30228 -27255 -35447 -24527 -40474 -10970 2769 5771 2722 -6945 3464 15667 1449 9762 4737 -3736 -1175 16091 16682 -7125 -9538 -9868 -11051 -15132 4665 -4493 -665 4757 -10699 -17426 -2477 -8802 8711 9495 25429 19365 19246 12937 8757 5777 6881 1778 -482 12563 9254 4505 10862 861 9907 4429 699 4164 1938 2867 3269 1149 9896 7560 7072 -601 -3957 -2134 -3914 -992 2122 1972 1503 1827 -5206 -9358 -13332 -12141 -10706 -6881 -8253 -3430 -2524 -1927 -1346 1678 2025 932 4236 1467 -1988 -3903 -9543 -7477 -5025 -3741 -2900 1933 194 983 -2788 -4440 -3445 -2917 -309 -290 1140 1967 4427 3346 4130 3890 1176 1251 -641 -992 -1934 -1621 1298 2071 2729 4407 2300 3240 1005 -1732 -1986 -2282 1379 904 1248 181 -672 -1100 -29 600 -905 -344 887 -436 -172 -2436 -1753 1172 1244 2394 134 -4226 -4398 -4974 -5007 -6631 -4492 -8591 -1856 468 1094 601 -1822 849 3494 378 2340 1164 -968 -296 3450 3577 -1931 -2549 -2467 -2679 -3937 1081 -1237 -187 1250 -3078 -5351 -711 -3077 2966 3601 8754 7302 7392 5290 3708 2499 2891 774 -213 5002 4033 2187 5202 475 5086 2419 395 2228 1033 1509 1781 690 5912 4879 4530 -391 -2543 -1350 -2716 -743 1656 1583 1188 1360 -3805 -6417 -8798 -7829 -7354 -5160 -7069 -3088 -2404 -1922 -1425 1662 2088 995 4344 1624 -2107 -3888 -9464 -7275 -5143 -4232 -3329 2342 251 1239 -3426 -5109 -4098 -3542 -356 -352 1434 2595 6081 5003 6500 6249 1887 1889 -918 -1361 -2685 -2342 1935 3209 4236 6601 3415 4564 1377 -2330 -2590 -3053 1913 1360 1987 303 -1167 -2001 -55 1182 -1852 -709 1799 -865 -324 -4501 -3138
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 3.829e-02 1.565e-02 5.685e-03 3.935852e-01 2.940510e-03 6.537511e-03 -6.000000e+00 6.210098e-02 227.77 -2.00 4.87 -2.00 318.20 0.00e+00 5.483118e-03 4.379524e-04 9.967632e-04 -6.000000e+00 2.522016e-03 260.60 -2.00 20.00 -2.00 317.83 0.00e+00 2.499 0.000 302.00 328.00 3 6.1553e+00 7.7789e-03 3.7655e-02 -6.0000e+00 1.5524e-01 3.9217e-01 8.7606e-03 2.7494e-02 -6.0000e+00 1.6914e-01 -5.3514e-01 5.1658e-03 1.3822e-02 -6.0000e+00 9.9515e-02 2.5055e-01 2.4767e-03 5.6368e-03 -6.0000e+00 4.1028e-02 5.3968e-05 -6.4997e-04 1.7556e-04 6.4112e-05 -6.0000e+00 3.1479e-03 -2.0651e-02 2.1515e-05 12 9 8 11 32 0 -0.00 26.71 1.76 -0.02065 -0.02554 35 4 1 5 0 1562.350 34.75 19.99 26.71 -10.19 4.2 1100.00 5567 11668 -17709 1206 -28509 -30162 -37272 -27102 -35879 -31000 -19931 -12863 -5653 6916 -1753 30899 9336 20876 6905 13935 5192 750 2925 10321 16564 -6912 -11009 -9756 -11304 -25897 11785 -8493 2264 6019 -14309 -18310 -1491 11475 4220 3972 29970 17530 15499 12844 6438 6552 4002 -3852 986 11418 10112 4303 12792 9416 6438 5744 -366 1902 267 3099 5393 1355 9146 6206 4766 783 -3972 -569 -3957 -815 925 2790 1154 370 -2665 -11726 -12256 -12761 -10212 -8325 -8867 -3610 -3652 -2439 -1206 2175 1742 1453 6075 1893 -1668 -6401 -9465 -7279 -5640 -4464 -1452 1399 496 670 -2481 -2530 -4013 -2624 927 -33 947 2233 2607 3742 4329 4829 1441 1209 25 -1703 -1928 -1886 616 2295 2668 4198 2371 2894 701 -1970 -2046 -2362 920 1303 1171 -80 -411 -1098 -926 222 -910 202 488 45 -688 -1623 -1424 858 1770 -3490 175 -4885 -4940 -6593 -4494 -6672 -5981 -3392 -2182 -1028 1288 -404 5567 2169 4444 1715 3221 1275 186 704 2317 3499 -1836 -2936 -2401 -2713 -7422 2522 -2420 616 1562 -4260 -5634 -419 3225 1476 1563 9686 6618 6083 5184 2755 2782 1715 -1759 427 4558 4328 2073 5950 4719 3384 3057 -206 1026 143 1603 2831 799 5431 4015 3099 499 -2535 -351 -2716 -603 723 2199 907 277 -1882 -8158 -7922 -8192 -6901 -6267 -7570 -3228 -3490 -2426 -1263 2337 1787 1530 6682 2075 -1753 -6501 -9324 -7017 -5766 -5053 -1634 1697 639 848 -3043 -2857 -4790 -3161 1047 -40 1188 2924 3630 5552 6786 7681 2308 1831 36 -2357 -2679 -2733 925 3549 4146 6303 3517 4091 963 -2658 -2671 -3161 1282 1954 1869 -135 -715 -2004 -1779 441 -1868 416 998 89 -1309 -2979 -2543