File name: Pandora20s1_Busan_20230927_L2Fit_fwvt1c7d20220623p1-8.txt File generation date: 20250921T145815.4Z Data description: Level 2 spectral fitting results file Data file version: fwvt1c7p1-8 Local principal investigator: Jae Hwan Kim Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 20 Spectrometer number: 1 Processing software version used: BlickP v1.8.75 Instrument operation file used: Pandora20_OF_v4d20201001.txt Instrument calibration file used: Pandora20s1_CF_v7d20220623.txt Level 1 file used: Pandora20s1_Busan_20230927_L1_smca1c7d20220623p1-8.txt Full location name: Busan/South Korea Short location name: Busan Country of location: South Korea Location latitude [deg]: 35.2353 Location longitude [deg]: 129.0825 Location altitude [m]: 71 Local noon date: 20230927 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: Fiel cal based on session 6 First and last pixel inside fitting window: 1680 1829 Nominal wavelengths inside fitting window [nm]: 492.0791 492.2002 492.3212 492.4423 492.5633 492.6843 492.8053 492.9262 493.0472 493.1681 493.2890 493.4099 493.5308 493.6516 493.7725 493.8933 494.0141 494.1349 494.2557 494.3765 494.4972 494.6179 494.7386 494.8593 494.9800 495.1007 495.2213 495.3419 495.4625 495.5831 495.7037 495.8243 495.9448 496.0653 496.1858 496.3063 496.4268 496.5472 496.6677 496.7881 496.9085 497.0289 497.1492 497.2696 497.3899 497.5102 497.6305 497.7508 497.8711 497.9913 498.1115 498.2318 498.3519 498.4721 498.5923 498.7124 498.8326 498.9527 499.0727 499.1928 499.3129 499.4329 499.5529 499.6729 499.7929 499.9129 500.0329 500.1528 500.2727 500.3926 500.5125 500.6324 500.7522 500.8720 500.9918 501.1116 501.2314 501.3512 501.4709 501.5907 501.7104 501.8301 501.9497 502.0694 502.1890 502.3086 502.4283 502.5478 502.6674 502.7870 502.9065 503.0260 503.1455 503.2650 503.3845 503.5039 503.6233 503.7428 503.8621 503.9815 504.1009 504.2202 504.3396 504.4589 504.5782 504.6974 504.8167 504.9359 505.0551 505.1743 505.2935 505.4127 505.5318 505.6510 505.7701 505.8892 506.0083 506.1273 506.2464 506.3654 506.4844 506.6034 506.7224 506.8413 506.9603 507.0792 507.1981 507.3170 507.4358 507.5547 507.6735 507.7923 507.9111 508.0299 508.1487 508.2674 508.3861 508.5048 508.6235 508.7422 508.8608 508.9795 509.0981 509.2167 509.3353 509.4538 509.5724 509.6909 509.8094 509.9279 --------------------------------------------------------------------------------------- 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 --------------------------------------------------------------------------------------- SQ 20230927T030842.8Z 8670.131051 341 1 50.74 2 36.77 177.42 149.10 56.15 0.00 1 0.00 1 0 50 9.629e-03 9.614e-03 9.430e-04 9.418e-04 1.966798e+03 6.248171e+01 2.596493e+01 -6.000000e+00 6.039575e+02 289.85 -2.00 20.00 -2.00 505.24 0.00e+00 1.581683e-03 2.771558e-05 2.628632e-05 -6.000000e+00 2.868608e-04 289.85 -2.00 20.00 -2.00 500.46 0.00e+00 1.808277e-01 1.858953e-02 8.092269e-03 -6.000000e+00 2.003592e-01 228.39 -2.00 3.40 -2.00 502.05 0.00e+00 1.247 0.000 489.00 513.00 1 7.4758e+00 1.4534e-03 2.0118e-03 -6.0000e+00 1.5488e-02 -1.2086e-02 3.3965e-04 1.7613e-04 -6.0000e+00 3.9140e-03 8.9403e-04 9.4618e-02 1.3509e-04 8.5008e-06 -6.0000e+00 1.3230e-03 1.0285e-01 -8.0887e-05 12 12 8 10 0 0 97.79 22.91 2.49 0.10285 0.75916 13 2 1 4 0 3902.940 25.58 19.99 22.91 38.45 30.6 1072.24 689 931 630 641 -41 -297 -539 -752 -527 -234 -96 -197 -202 186 453 797 751 942 545 505 48 -725 -795 -933 -944 -924 -181 -125 -191 -1959 300 421 550 561 842 1252 1325 1615 1279 1477 831 397 -380 -1188 -1619 -1687 -1546 -1254 -623 -686 332 744 1366 1448 1620 1418 1314 1259 932 324 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596 364 622 410 172 229 -294 -329 -634 -821 -1732 -690 -614 -557 234 399 815 1075 1106 1354 844 633 234 -403 -278 -717 -750 -921 -816 -791 -734 -548 900000 SQ 20230927T034004.6Z 8670.152831 359 1 51.65 2 37.22 190.45 143.71 64.82 0.00 1 0.00 1 0 50 9.533e-03 9.510e-03 9.392e-04 9.382e-04 1.983937e+03 6.239983e+01 2.498612e+01 -6.000000e+00 5.979315e+02 289.84 -2.00 20.00 -2.00 505.26 0.00e+00 1.735951e-03 2.758075e-05 3.324102e-05 -6.000000e+00 2.839532e-04 289.84 -2.00 20.00 -2.00 500.50 0.00e+00 1.347134e-01 1.851692e-02 7.894974e-03 -6.000000e+00 1.981849e-01 228.39 -2.00 3.40 -2.00 502.08 0.00e+00 1.255 0.000 489.00 513.00 1 7.4814e+00 1.4466e-03 2.0835e-03 -6.0000e+00 1.5323e-02 -1.3210e-02 3.3776e-04 1.7012e-04 -6.0000e+00 3.8674e-03 8.8934e-04 9.3489e-02 1.3476e-04 1.2088e-05 -6.0000e+00 1.3108e-03 1.0205e-01 -6.4903e-06 12 13 8 11 32 0 99.74 22.84 2.56 0.10205 0.75053 14 3 1 4 0 3688.330 25.58 19.99 22.84 36.15 30.6 1056.50 623 792 420 560 58 -251 -460 -848 -584 -401 -190 -172 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