File name: Pandora280s1_Eureka-0PAL_20250531_L2Fit_fout2c2d20240201p1-8.txt
File generation date: 20250601T055039.2Z
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: 280
Spectrometer number: 1
Processing software version used: BlickP v1.8.75
Instrument operation file used: Pandora280_OF_v3d20230919.txt
Instrument calibration file used: Pandora280s1_CF_v2d20240201.txt
Level 1 file used: Pandora280s1_Eureka-0PAL_20250531_L1_smca1c2d20240201p1-8.txt
Full location name: Polar Environment Atmospheric Research Laboratory (PEARL) 0PAL facility
Short location name: Eureka-0PAL
Country of location: Canada
Location latitude [deg]: 79.9903
Location longitude [deg]: -85.9389
Location altitude [m]: 14
Local noon date: 20250531
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 session based on session 1
First and last pixel inside fitting window: 200 342
Nominal wavelengths inside fitting window [nm]: 305.0551 305.1959 305.3368 305.4776 305.6183 305.7591 305.8999 306.0406 306.1814 306.3221 306.4629 306.6036 306.7443 306.8850 307.0256 307.1663 307.3070 307.4476 307.5882 307.7288 307.8695 308.0101 308.1506 308.2912 308.4318 308.5723 308.7129 308.8534 308.9939 309.1344 309.2749 309.4154 309.5559 309.6963 309.8368 309.9772 310.1177 310.2581 310.3985 310.5389 310.6793 310.8196 310.9600 311.1003 311.2407 311.3810 311.5213 311.6616 311.8019 311.9422 312.0824 312.2227 312.3629 312.5032 312.6434 312.7836 312.9238 313.0640 313.2042 313.3443 313.4845 313.6246 313.7647 313.9049 314.0450 314.1851 314.3251 314.4652 314.6053 314.7453 314.8854 315.0254 315.1654 315.3054 315.4454 315.5854 315.7253 315.8653 316.0052 316.1452 316.2851 316.4250 316.5649 316.7048 316.8447 316.9845 317.1244 317.2642 317.4040 317.5439 317.6837 317.8235 317.9632 318.1030 318.2428 318.3825 318.5223 318.6620 318.8017 318.9414 319.0811 319.2208 319.3604 319.5001 319.6397 319.7793 319.9190 320.0586 320.1982 320.3378 320.4773 320.6169 320.7564 320.8960 321.0355 321.1750 321.3145 321.4540 321.5935 321.7329 321.8724 322.0118 322.1513 322.2907 322.4301 322.5695 322.7089 322.8483 322.9876 323.1270 323.2663 323.4056 323.5449 323.6843 323.8235 323.9628 324.1021 324.2413 324.3806 324.5198 324.6590 324.7982 324.9374
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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 20250531T231919.9Z 9282.971758 619 1 5.96 2 67.33 268.56 61.87 196.24 0.00 1 0.00 1 0 17 8.059e-02 1.364e-02 4.255e-02 8.742e-03 3.309156e-01 4.476084e-03 6.150910e-03 -6.000000e+00 4.698488e-02 234.90 -2.00 5.56 -2.00 318.00 0.00e+00 4.518884e-04 7.156189e-04 1.561767e-04 -6.000000e+00 1.893508e-03 266.05 -2.00 20.00 -2.00 317.56 0.00e+00 2.574 0.000 302.00 328.00 3 4.7373e+00 1.2117e-02 3.8626e-02 -6.0000e+00 1.1946e-01 2.2742e-02 1.3525e-02 2.7764e-02 -6.0000e+00 1.2933e-01 -4.1620e-03 8.6922e-03 1.3505e-02 -6.0000e+00 7.5866e-02 -2.2969e-03 4.4352e-03 3.7365e-03 -6.0000e+00 3.1399e-02 2.3572e-04 -2.4978e-04 2.4810e-04 3.8033e-05 -6.0000e+00 2.1504e-03 -1.0358e-02 -2.5629e-04 12 9 9 12 1 1 999.00 26.01 0.25 -0.01036 -0.01223 1 2 1 5 0 2976.190 33.75 19.99 26.01 8.06 0.2 1100.00 3319 7477 -5961 -32246 -37368 -33841 -8199 4617 42339 16271 30635 -3746 -22994 260 7252 -8104 -4393 -4172 11436 1983 -6226 4268 -2587 16201 -6157 1205 -11843 -3017 -12318 4886 8900 7272 9205 5507 -1821 -4833 -2831 -1445 7707 4188 692 4022 -2174 2141 264 -1700 -463 -2522 2309 820 2216 -227 2595 3009 -1786 622 2947 -994 -2029 -569 1369 1788 798 1834 -406 2083 -566 -1466 781 400 121 -1656 -3675 674 780 1485 -1693 -1830 1875 -436 -961 -139 -1946 -758 -1993 -910 -841 -1271 378 -239 660 2510 509 -404 1699 -788 -108 2685 539 -90 -1166 -2013 -508 309 -320 183 -760 -130 -535 -306 90 122 1354 895 332 -27 1352 -1911 167 308 -705 -192 554 487 1487 974 301 -173 -390 313 -160 340 -1474 370 201 -108 1156 137 -298 -676 -274 -275 -399 198 478 -452 -3024 -3313 -2770 -552 311 2202 1165 1907 -342 -2901 31 927 -1354 -753 -682 1852 335 -1173 793 -479 2914 -1346 256 -2873 -636 -2683 979 1844 1544 2112 1366 -460 -1225 -764 -453 2670 1622 307 1820 -1083 1036 131 -860 -229 -1254 1084 397 1124 -128 1521 1862 -1113 389 1842 -646 -1305 -357 866 1213 600 1473 -314 1586 -412 -1052 585 318 107 -1558 -3533 598 644 1179 -1255 -1294 1340 -362 -848 -135 -1939 -784 -2231 -1015 -992 -1559 458 -282 765 2612 496 -413 1684 -892 -128 3439 713 -119 -1468 -2480 -577 356 -403 243 -1005 -179 -783 -453 142 197 2105 1312 478 -37 1788 -2724 250 463 -1098 -294 816 731 2103 1321 413 -238 -546 473 -243 533 -2407 617 338 -193 2095 244 -537 -1194 -488 -468 -661