File name: Pandora174s1_FairbanksAK_20200526_L2Fit_fwvt1c2d20200525p1-8.txt
File generation date: 20231206T105853.3Z
Data description: Level 2 spectral fitting results file
Data file version: fwvt1c2p1-8
Local principal investigator: Jingqiu Mao
Network principal investigator: Alexander Cede
Instrument type: Pandora
Instrument number: 174
Spectrometer number: 1
Processing software version used: BlickP v1.8.49
Instrument operation file used: Pandora174_of_v2d20200215.txt
Instrument calibration file used: Pandora174s1_CF_v2d20200525.txt
Level 1 file used: Pandora174s1_FairbanksAK_20200526_L1_smca1c2d20200525p1-8.txt.bz2
Full location name: University of Alaska Fairbanks campus
Short location name: FairbanksAK
Country of location: USA
Location latitude [deg]: 64.8594
Location longitude [deg]: -147.8499
Location altitude [m]: 227
Local noon date: 20200526
Notes on s-number (L1 configuration): Corrections NOT applied although requested by the s-number are dark map for dark correction (replaced by immediate dark method), latency correction, matrix method stray light correction (replaced by simple method)
Data caveats: None
First and last pixel inside fitting window: 1650 1799
Nominal wavelengths inside fitting window [nm]: 492.0517 492.1728 492.2940 492.4151 492.5362 492.6573 492.7783 492.8994 493.0204 493.1414 493.2624 493.3834 493.5043 493.6253 493.7462 493.8671 493.9880 494.1089 494.2298 494.3506 494.4714 494.5922 494.7130 494.8338 494.9546 495.0753 495.1960 495.3167 495.4374 495.5581 495.6788 495.7994 495.9200 496.0406 496.1612 496.2818 496.4023 496.5229 496.6434 496.7639 496.8844 497.0049 497.1253 497.2458 497.3662 497.4866 497.6070 497.7273 497.8477 497.9680 498.0883 498.2086 498.3289 498.4492 498.5694 498.6897 498.8099 498.9301 499.0503 499.1704 499.2906 499.4107 499.5308 499.6509 499.7710 499.8911 500.0111 500.1311 500.2512 500.3712 500.4911 500.6111 500.7310 500.8510 500.9709 501.0908 501.2106 501.3305 501.4503 501.5702 501.6900 501.8098 501.9295 502.0493 502.1690 502.2887 502.4084 502.5281 502.6478 502.7674 502.8871 503.0067 503.1263 503.2459 503.3654 503.4850 503.6045 503.7240 503.8435 503.9630 504.0825 504.2019 504.3214 504.4408 504.5602 504.6795 504.7989 504.9182 505.0376 505.1569 505.2762 505.3954 505.5147 505.6339 505.7532 505.8724 505.9915 506.1107 506.2299 506.3490 506.4681 506.5872 506.7063 506.8254 506.9444 507.0635 507.1825 507.3015 507.4204 507.5394 507.6584 507.7773 507.8962 508.0151 508.1340 508.2528 508.3717 508.4905 508.6093 508.7281 508.8469 508.9656 509.0843 509.2031 509.3218 509.4405 509.5591 509.6778 509.7964 509.9150
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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: Water vapor slant column amount [moles per square meter], -9e99=fitting not successful
Column 23: Independent uncertainty of water vapor 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 water vapor 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 water vapor 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 water vapor 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: Water vapor effective temperature [K]
Column 28: Independent uncertainty of water vapor 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 water vapor 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 water vapor 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 water vapor fitting wavelength [nm], -9=fitting not successful
Column 32: Diffuse correction applied before fitting at effective fitting wavelength for water vapor [%], 0=no diffuse correction applied or fitting not requested, >0=measured diffuse correction, <0=(negative value of) calculated diffuse correction
Column 33: Nitrogen dioxide slant column amount [moles per square meter], -9e99=fitting not successful
Column 34: Independent uncertainty of nitrogen 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 nitrogen 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 nitrogen 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 nitrogen 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: Nitrogen dioxide effective temperature [K]
Column 39: Independent uncertainty of nitrogen 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 nitrogen 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 nitrogen 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 nitrogen dioxide fitting wavelength [nm], -9=fitting not successful
Column 43: Diffuse correction applied before fitting at effective fitting wavelength for nitrogen dioxide [%], 0=no diffuse correction applied or fitting not requested, >0=measured diffuse correction, <0=(negative value of) calculated diffuse correction
Column 44: Ozone slant column amount [moles per square meter], -9e99=fitting not successful
Column 45: 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 46: 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 47: 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 48: 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 49: Ozone effective temperature [K]
Column 50: 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 51: 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 52: 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 53: Effective ozone fitting wavelength [nm], -9=fitting not successful
Column 54: 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 55: Molecular scattering air mass factor used for molecular scattering subtraction before the fitting
Column 56: Estimated uncertainty of molecular scattering air mass factor, -9=molecular scattering was not subtracted before the fitting
Column 57: Lower limit used for wavelength scaling [nm]
Column 58: Upper limit used for wavelength scaling [nm]
Column 59: Order of smoothing polynomial
Column 60: Smoothing polynomial coefficient, order 0
Column 61: Independent uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful
Column 62: Structured uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful
Column 63: Common uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful
Column 64: rms-based uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful
Column 65: Smoothing polynomial coefficient, order 1
Column 66: Independent uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful
Column 67: Structured uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful
Column 68: Common uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful
Column 69: rms-based uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful
Column 70: Mean value of measured data inside fitting window [same units as measurements]
Column 71: Wavelength change polynomial coefficient, order 0
Column 72: Independent uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful
Column 73: Structured uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful
Column 74: Common uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful
Column 75: rms-based uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful
Column 76: L1 based wavelength change coefficient, order 0, -9=no L1 wavelength change determination
Column 77: L1 based wavelength change coefficient, order 1, -9=no L1 wavelength change determination
Column 78: 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 79: 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 80: 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 81: 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 82: 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 83: 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 84: Atmospheric variability [%], 999=no atmospheric variability was determined
Column 85: Wavelength effective temperature [°C], 999=no effective temperature given
Column 86: Estimated average residual stray light level [%] (only valid for stray light correction methods 2 and higher)
Column 87: Retrieved wavelength shift from L1 data [nm], -9=no wavelength change determination
Column 88: Retrieved total wavelength shift [nm], -9=no wavelength change fitting
Column 89: Number of bright count cycles
Column 90: Number of dark count cycles
Column 91: Effective position of filterwheel #1, 0=filterwheel not used, 1-9 are valid positions
Column 92: Effective position of filterwheel #2, 0=filterwheel not used, 1-9 are valid positions
Column 93: Sum over 2^i, 0=spectra were interpolated in time, 1=spectra are corrected for off-target signal
Column 94: Integration time [ms]
Column 95: Temperature at electronics board [°C], 999=no temperature signal
Column 96: Spectrometer control temperature [°C], 999=no temperature signal
Column 97: Auxiliary spectrometer temperature [°C], 999=no temperature signal
Column 98: Temperature in head sensor [°C], 999=no temperature signal
Column 99: Humidity in head sensor [%], -9=no humidity signal
Column 100: Pressure in head sensor [hPa], -9=no pressure signal
Columns 101-250: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting
Columns 251-400: 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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SO 20200527T013012.8Z 7452.062648 15 1 19.65 2 56.35 247.09 42.34 179.97 0.00 1 0.00 1 0 15 2.620e-02 2.600e-02 2.288e-02 2.275e-02 5.976335e+02 1.193440e+03 3.298718e+01 -6.000000e+00 1.333505e+03 271.48 -2.00 20.00 -2.00 505.27 0.00e+00 -8.869155e-04 5.965312e-04 5.931515e-05 -6.000000e+00 7.030022e-04 271.48 -2.00 20.00 -2.00 500.28 0.00e+00 6.572431e-01 4.474423e-01 2.312704e-02 -6.000000e+00 5.166420e-01 233.01 -2.00 4.56 -2.00 501.92 0.00e+00 1.799 0.000 489.00 513.00 1 1.5575e+01 3.4067e-02 3.3232e-03 -6.0000e+00 3.9313e-02 -1.1177e-02 9.0250e-03 3.5855e-04 -6.0000e+00 1.0421e-02 2.5361e-07 -1.2692e-04 1.9202e-03 1.6451e-05 -6.0000e+00 2.2645e-03 6.0058e-03 -4.2419e-05 2 8 8 10 0 0 -290.77 22.51 2.89 0.00601 0.00513 5 5 1 4 0 3929.040 25.68 20.00 22.51 28.16 15.1 987.74 -139 -3938 88 -4579 2979 -48 783 2898 -1482 1107 -2679 -1858 785 2512 2481 840 -2305 -2151 218 -1282 1684 141 3071 -5598 5733 483 -1848 1721 -1020 3315 -5439 -1068 1248 -2174 -856 -1908 -439 382 1513 883 314 1486 826 318 2851 326 146 -94 -2504 1165 103 4962 2907 2080 893 -173 3256 -776 -2838 -171 1257 -415 -1126 -1116 -1633 7127 -556 -622 1965 -3636 -764 576 450 1304 -2217 -673 1276 -992 -1151 2 1332 -1678 -5145 -2754 3366 2346 320 -302 1076 1493 2563 -1375 -1975 4654 -1572 1074 107 -1089 -3433 6550 1663 -1495 -1346 2142 5103 -3129 1191 202 -4923 245 2201 5135 -2157 3326 -3892 598 3341 -4617 -1934 988 4123 -833 2591 -4292 -781 636 -790 3262 -2679 1010 -90 -970 1090 -4557 -248 3075 2089 -2219 -7299 -1076 -244 6747 4130 1659 -722 2723 -4604 -2829 1745 -268 -131 -3885 86 -4856 3021 -51 840 3079 -1636 1179 -2909 -1981 804 2497 2449 843 -2415 -2305 235 -1416 1812 153 3255 -6435 5963 527 -2050 1831 -1085 3266 -5696 -1078 1254 -2337 -938 -2126 -478 407 1573 914 326 1533 864 337 2979 350 155 -99 -2652 1162 101 4511 2654 1925 859 -174 3236 -806 -2994 -175 1268 -427 -1172 -1160 -1691 6710 -553 -610 1860 -3571 -723 542 428 1248 -2215 -659 1203 -937 -1078 2 1221 -1600 -5095 -2685 3143 2233 310 -294 1037 1440 2460 -1387 -2032 4523 -1598 1050 104 -1040 -3264 5571 1475 -1386 -1287 2065 4896 -3229 1162 195 -4919 235 2105 4852 -2208 3260 -4090 606 3317 -4925 -1990 975 3890 -810 2429 -4320 -765 614 -772 3059 -2646 966 -86 -920 997 -4345 -226 2760 1941 -2186 -7621 -1072 -243 6304 3971 1642 -732 2653 -4699 -2761 1599 -249