File name: Pandora281s1_CambridgeBay_20250413_L2Fit_fout2c3d20240201p1-8.txt
File generation date: 20260429T121351.7Z
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_20250413_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: 20250413
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 20250413T204456.3Z 9234.864540 439 1 54.18 2 62.10 209.41 125.90 21.87 0.00 1 0.00 1 0 25 1.024e-01 3.395e-02 1.910e-02 6.153e-03 3.521107e-01 3.186375e-03 5.898772e-03 -6.000000e+00 6.025577e-02 227.61 -2.00 4.87 -2.00 318.16 0.00e+00 5.323019e-03 4.975720e-04 1.102870e-03 -6.000000e+00 2.482543e-03 260.46 -2.00 20.00 -2.00 317.80 0.00e+00 2.126 0.000 302.00 328.00 3 6.6043e+00 8.4260e-03 3.3027e-02 -6.0000e+00 1.5058e-01 2.5062e-01 9.4788e-03 2.4582e-02 -6.0000e+00 1.6406e-01 -3.3089e-01 5.8048e-03 1.2736e-02 -6.0000e+00 9.6587e-02 1.6124e-01 2.8591e-03 5.5728e-03 -6.0000e+00 4.0019e-02 5.1931e-05 -7.2401e-04 1.9200e-04 6.1347e-05 -6.0000e+00 3.0675e-03 -9.1655e-04 0.0000e+00 12 8 8 10 0 0 -52.35 26.58 1.74 -0.00092 -0.00636 22 2 1 5 0 2462.340 34.75 20.00 26.58 -6.93 4.2 1100.00 -6310 4892 900000 11160 -25880 -28632 -37686 -30924 -38882 -31724 -31321 6173 7206 9659 -6104 27800 2830 22884 -1470 3729 -3330 -3020 -7191 6161 19284 -11486 -7304 -759 -11527 -20980 9497 -11539 -1718 8179 -9418 -18117 7034 11748 4469 2989 28643 12607 10378 5310 5280 4349 2516 -3355 2959 13013 9894 -7 15282 5258 3400 4345 -2378 -1221 1960 3984 5054 -680 10602 6798 7317 1115 -1206 131 -4794 -2862 -308 1633 1956 1640 -1220 -11491 -9730 -10114 -8816 -5316 -9538 -2111 -1325 -2349 -952 1580 1127 309 3978 1064 -1086 -3444 -7806 -4566 -3620 -3846 -2352 2068 462 654 -2709 -3912 -477 -2188 -326 292 523 1669 1778 2724 2364 4214 879 1627 452 -1273 -1891 -989 3026 1580 1268 4549 1454 3096 -232 -1726 -1436 -2668 1983 814 852 359 -1479 -1323 -566 1492 -1257 -544 283 -83 152 -1326 -1482 -799 587 900000 1120 -3345 -3623 -5324 -4731 -6719 -5120 -4999 726 968 1478 -1249 4420 605 4146 -348 848 -801 -707 -1756 1335 3702 -3012 -1788 -164 -2670 -5501 1994 -3254 -469 2017 -2611 -5468 1794 3271 1558 1194 9486 5083 4383 2376 2363 1959 1138 -1586 1305 5301 4399 -4 7207 2861 1924 2456 -1438 -718 1093 2177 2844 -438 6622 4662 4944 753 -792 85 -3486 -2272 -257 1379 1622 1295 -912 -8569 -6567 -6724 -6199 -4080 -8590 -1946 -1294 -2440 -1040 1626 1221 346 4277 1127 -1197 -3570 -7906 -4441 -3732 -4428 -2722 2534 605 840 -3387 -4566 -561 -2679 -381 358 672 2235 2526 4109 3786 6732 1408 2433 635 -1727 -2580 -1393 4354 2425 1976 6749 2161 4335 -319 -2298 -2022 -3513 2668 1191 1320 580 -2499 -2321 -1039 2804 -2488 -1085 560 -160 279 -2366 -2583
SS 20250413T210054.1Z 9234.875627 442 1 54.67 2 62.84 213.77 125.40 26.38 0.00 1 0.00 1 0 17 1.080e-01 3.474e-02 2.049e-02 6.429e-03 3.558192e-01 3.322198e-03 5.938083e-03 -6.000000e+00 6.351586e-02 227.61 -2.00 4.87 -2.00 318.23 0.00e+00 5.730331e-03 5.283073e-04 1.008488e-03 -6.000000e+00 2.617124e-03 260.46 -2.00 20.00 -2.00 317.87 0.00e+00 2.179 0.000 302.00 328.00 3 6.6070e+00 8.8023e-03 3.3596e-02 -6.0000e+00 1.5872e-01 2.6045e-01 9.8998e-03 2.4966e-02 -6.0000e+00 1.7294e-01 -3.4351e-01 6.0794e-03 1.2916e-02 -6.0000e+00 1.0182e-01 1.6443e-01 3.0079e-03 5.8074e-03 -6.0000e+00 4.2181e-02 4.9213e-05 -9.3946e-04 1.9940e-04 6.3934e-05 -6.0000e+00 3.2339e-03 -3.3051e-04 0.0000e+00 12 8 8 10 0 0 91.70 26.58 1.71 -0.00033 -0.00739 22 2 1 5 0 2484.870 34.75 20.00 26.58 -6.41 4.2 1100.00 -6147 775 900000 14279 -38310 -24421 -39012 -17392 -47178 -35788 -20881 6929 7705 12063 -1274 37426 -655 26897 -5643 10040 4768 -6087 -8028 4334 15590 -12959 -3328 -5867 -8110 -23475 8412 -7655 645 7094 -10617 -19202 4037 11969 7702 -1108 28617 16738 14684 7297 2227 936 4056 -3037 2914 9926 9799 -1105 13768 7095 5234 4643 -4744 609 -897 4311 3072 -1297 9108 6542 7252 -1578 143 -100 -2710 -79 3149 1243 -531 1459 -2594 -10558 -11258 -10027 -8846 -5780 -9197 -1525 -1655 -3071 -544 2677 1093 -558 4358 2012 794 -2063 -8753 -4800 -4675 -4601 -2553 2306 471 964 -2955 -2792 -1594 -2627 -716 207 840 1833 2439 3098 2778 4546 1337 853 262 -1675 -1779 -2203 2329 1306 1229 3949 1508 3480 652 -2348 -2093 -1817 1710 930 1115 742 -1195 -933 -769 503 -1246 -152 1073 364 -175 -1586 -1791 -767 96 900000 1375 -5545 -2922 -5491 -2279 -7877 -5878 -2932 791 1009 1769 -244 5326 -143 4620 -1376 2115 1043 -1446 -1942 937 3039 -3371 -766 -1306 -1779 -6195 1756 -2044 169 1743 -2935 -5766 1043 3264 2549 -452 9292 6348 5827 3142 1009 429 1777 -1409 1266 4107 4294 -574 6490 3731 2861 2573 -2888 346 -506 2308 1733 -825 5681 4429 4832 -1079 91 -64 -1902 -60 2503 1038 -445 1138 -1937 -7691 -7607 -6568 -6138 -4398 -8152 -1381 -1602 -3175 -585 2962 1170 -623 4614 2297 849 -2087 -8856 -4631 -4820 -5286 -2935 2796 612 1226 -3680 -3521 -1881 -3204 -917 252 1067 2432 3417 4626 4404 7201 2124 1280 367 -2274 -2415 -3131 3364 2003 1909 5876 2234 4841 886 -3140 -2961 -2605 2304 1358 1723 1195 -2015 -1633 -1416 957 -2471 -304 2108 698 -322 -2845 -3140