File name: Pandora281s1_CambridgeBay_20260222_L2Fit_fout2c2d20240201p1-8.txt
File generation date: 20260223T172655.1Z
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_20260222_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: 20260222
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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SU 20260222T200029.4Z 9549.833674 10 1 54.19 2 79.51 191.74 58.66 121.33 0.00 1 0.00 1 0 137 1.198e-01 1.045e-01 1.163e-03 1.014e-03 2.926644e-01 5.194995e-04 4.809866e-03 -6.000000e+00 6.835304e-02 220.27 -2.00 4.87 -2.00 313.21 0.00e+00 -1.081112e-05 3.143189e-05 4.337931e-04 -6.000000e+00 2.801218e-03 255.26 -2.00 20.00 -2.00 313.05 0.00e+00 5.285 0.004 302.00 328.00 3 7.5059e-02 1.2882e-03 5.5845e-02 -6.0000e+00 1.6833e-01 1.1982e+00 1.4543e-03 1.9448e-02 -6.0000e+00 1.8465e-01 -6.2560e-01 8.3449e-04 9.5157e-03 -6.0000e+00 1.0893e-01 1.0762e-01 3.3710e-04 3.0181e-03 -6.0000e+00 4.5350e-02 1.8353e-03 1.4163e-02 3.0384e-05 6.1399e-05 -6.0000e+00 3.5662e-03 -1.2205e-02 -2.3660e-04 12 9 8 11 32 0 60.88 26.13 1.84 -0.01220 0.09423 4216 453 3 5 0 12.850 34.25 19.98 26.13 -23.97 4.2 1073.42 24882 19039 4219 -9738 -15749 -14486 -9658 -6072 -7708 -12296 -11212 -3599 5189 11639 16114 16445 15804 14303 12580 9129 4189 4191 4928 5554 4717 -982 -11431 -20373 -23425 -20583 -16738 -13797 -16651 -25255 -28029 -21776 -9285 3890 15044 19280 20496 20818 17816 13597 10445 5780 1455 -3189 -3907 -1342 2640 5736 7801 8642 7840 6670 3777 -787 -3975 -2016 2782 8028 11199 7340 -1041 -8274 -10570 -6334 2210 8966 10309 7869 1536 -6893 -18446 -28416 -33496 -30094 -20616 -11469 -4098 601 3989 8620 13323 16559 18379 16515 11809 3147 -5794 -13495 -16752 -12899 -5364 2181 8518 10037 6111 -199 -7325 -11165 -7719 -1051 3169 6888 10228 13553 16939 18583 16309 11039 3342 -5501 -10268 -10388 -6901 -2379 2011 3788 3766 2636 -212 -4765 -8441 -11915 -11093 -7492 -4562 -3810 -4287 -5089 -3869 -1319 703 2170 3250 3639 2504 961 1171 1556 5112 14960 11526 2602 -5996 -9702 -9005 -6051 -3822 -4890 -7864 -7199 -2315 3352 7639 10557 10795 10438 9544 8423 6123 2842 2831 3357 3791 3215 -673 -7884 -14051 -16210 -14291 -12850 -10647 -12901 -19693 -21970 -17144 -7292 3085 11913 15436 16454 16614 14336 11066 8489 4706 1182 -2622 -3220 -1115 2196 4785 6556 7270 6641 5662 3206 -672 -3432 -1733 2400 6981 9761 6457 -916 -7275 -9287 -5609 1973 7990 9270 7097 1391 -6196 -16559 -25463 -30187 -27339 -18855 -10605 -3833 567 3797 8286 12887 16108 17869 16176 11524 3074 -5636 -13078 -16335 -12708 -5372 2241 8995 10907 6752 -220 -8002 -11996 -8172 -1111 3381 7399 11130 15019 19274 21835 19818 13659 4176 -6934 -12807 -12884 -8586 -3009 2571 4847 4765 3287 -261 -5830 -10224 -14359 -13375 -9267 -5868 -5142 -6028 -7407 -5791 -2034 1119 3506 5315 5965 4060 1529 1799 2340 7600
SU 20260222T200254.9Z 9549.835358 13 1 54.19 2 79.56 192.35 58.48 121.94 0.00 1 0.00 1 0 161 1.198e-01 1.046e-01 1.179e-03 1.029e-03 2.923336e-01 5.272528e-04 4.830383e-03 -6.000000e+00 6.833597e-02 220.27 -2.00 4.87 -2.00 313.20 0.00e+00 2.145419e-05 3.183273e-05 4.296271e-04 -6.000000e+00 2.801032e-03 255.26 -2.00 20.00 -2.00 313.04 0.00e+00 5.306 0.004 302.00 328.00 3 8.0393e-02 1.3075e-03 5.6060e-02 -6.0000e+00 1.6829e-01 1.2008e+00 1.4753e-03 1.9524e-02 -6.0000e+00 1.8462e-01 -6.2429e-01 8.4684e-04 9.5519e-03 -6.0000e+00 1.0891e-01 1.0795e-01 3.4243e-04 3.0184e-03 -6.0000e+00 4.5333e-02 1.7881e-03 1.3696e-02 3.0795e-05 6.1590e-05 -6.0000e+00 3.5665e-03 -1.1382e-02 -2.7840e-04 12 9 8 11 32 0 36.88 26.13 1.83 -0.01138 0.09154 4142 445 3 5 0 13.080 34.25 19.99 26.13 -23.93 4.2 1074.16 24923 18983 4285 -9816 -16189 -14272 -9332 -5906 -7793 -12205 -10968 -4119 4622 12429 16284 16419 15743 14241 12781 9233 4342 3584 5164 5702 4411 -1281 -11140 -20324 -23253 -20998 -16652 -13635 -16773 -25085 -28114 -21872 -9299 3693 15143 19135 21054 20499 17771 13707 10605 5802 1166 -3176 -3944 -1197 2697 5574 7729 8424 7813 6633 3216 -800 -3426 -2353 2575 8649 11145 7742 -724 -8346 -10915 -6732 2652 8769 10504 7885 1687 -6856 -18292 -28600 -33272 -29876 -20479 -11712 -3921 540 3697 8744 13291 16710 17800 16717 11817 3585 -5593 -13739 -16568 -12727 -5502 2209 8534 9756 6354 -468 -7592 -10949 -7977 -1215 3283 6616 10209 13251 16992 18420 16753 10784 3068 -4871 -10223 -10471 -7302 -2189 2095 3975 3808 2432 -294 -4649 -8395 -12029 -11249 -7380 -4531 -3630 -4324 -5066 -3894 -1258 589 1842 3532 3772 2287 1159 1075 1709 5016 15019 11535 2651 -6069 -10044 -8872 -5838 -3718 -4959 -7814 -7037 -2667 3007 8108 10674 10806 10428 9531 8562 6203 2948 2442 3516 3893 3022 -882 -7681 -14045 -16094 -14666 -12795 -10525 -13045 -19578 -22097 -17259 -7312 2936 11994 15366 16837 16443 14337 11168 8625 4734 953 -2617 -3257 -994 2246 4665 6511 7115 6631 5643 2751 -685 -2948 -2033 2229 7484 9735 6799 -637 -7359 -9638 -5990 2359 7839 9441 7123 1529 -6176 -16436 -25732 -29962 -27099 -18711 -10861 -3663 510 3532 8400 12870 16243 17425 16363 11552 3493 -5440 -13366 -16137 -12518 -5516 2268 9009 10635 7011 -519 -8326 -11746 -8466 -1286 3498 7125 11107 14721 19312 21670 20266 13381 3846 -6104 -12743 -12987 -9111 -2760 2672 5073 4813 3037 -362 -5680 -10157 -14500 -13559 -9098 -5813 -4879 -6070 -7356 -5815 -1934 936 2979 5745 6161 3708 1835 1650 2559 7439