File name: Pandora149s1_Seoul-SNU_20240921_L2Fit_fout2c18d20220215p1-8.txt File generation date: 20240921T153248.9Z Data description: Level 2 spectral fitting results file Data file version: fout2c18p1-8 Local principal investigator: Sang-Woo Kim Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 149 Spectrometer number: 1 Processing software version used: BlickP v1.8.59 Instrument operation file used: Pandora149_OF_v1d20201014.txt Instrument calibration file used: Pandora149s1_CF_v18d20220215.txt Level 1 file used: Pandora149s1_Seoul-SNU_20240921_L1_smca1c18d20220215p1-8.txt Full location name: School of Earth and Environmental Sciences, Seoul National University Short location name: Seoul-SNU Country of location: Korea, Republic of Location latitude [deg]: 37.4580 Location longitude [deg]: 126.9510 Location altitude [m]: 116 Local noon date: 20240921 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: based on 13 for VP 20220215 First and last pixel inside fitting window: 229 371 Nominal wavelengths inside fitting window [nm]: 305.0467 305.1879 305.3290 305.4702 305.6113 305.7525 305.8936 306.0347 306.1758 306.3169 306.4580 306.5990 306.7401 306.8811 307.0221 307.1631 307.3041 307.4451 307.5861 307.7270 307.8680 308.0089 308.1498 308.2907 308.4316 308.5725 308.7134 308.8542 308.9951 309.1359 309.2767 309.4176 309.5584 309.6991 309.8399 309.9807 310.1214 310.2621 310.4029 310.5436 310.6843 310.8250 310.9656 311.1063 311.2469 311.3876 311.5282 311.6688 311.8094 311.9500 312.0906 312.2311 312.3717 312.5122 312.6527 312.7933 312.9337 313.0742 313.2147 313.3552 313.4956 313.6361 313.7765 313.9169 314.0573 314.1977 314.3381 314.4784 314.6188 314.7591 314.8994 315.0398 315.1801 315.3204 315.4606 315.6009 315.7412 315.8814 316.0216 316.1618 316.3020 316.4422 316.5824 316.7226 316.8627 317.0029 317.1430 317.2831 317.4232 317.5633 317.7034 317.8435 317.9835 318.1236 318.2636 318.4036 318.5436 318.6836 318.8236 318.9636 319.1036 319.2435 319.3834 319.5234 319.6633 319.8032 319.9431 320.0829 320.2228 320.3626 320.5025 320.6423 320.7821 320.9219 321.0617 321.2015 321.3413 321.4810 321.6207 321.7605 321.9002 322.0399 322.1796 322.3193 322.4589 322.5986 322.7382 322.8779 323.0175 323.1571 323.2967 323.4363 323.5758 323.7154 323.8549 323.9945 324.1340 324.2735 324.4130 324.5525 324.6920 324.8314 324.9709 --------------------------------------------------------------------------------------- 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 --------------------------------------------------------------------------------------- SS 20240921T030506.1Z 9030.128543 415 1 18.46 2 37.21 171.66 111.76 315.01 0.00 1 0.00 1 0 17 7.821e-03 6.797e-03 2.154e-03 1.411e-03 1.548031e-01 7.253374e-04 1.847300e-03 -6.000000e+00 4.492852e-03 228.67 -2.00 3.44 -2.00 315.03 0.00e+00 3.358487e-04 6.438297e-05 6.291157e-05 -6.000000e+00 2.023631e-04 288.76 -2.00 20.00 -2.00 314.35 0.00e+00 1.255 0.000 302.00 328.00 3 4.5603e+00 1.8649e-03 1.4634e-02 -6.0000e+00 1.1166e-02 2.9566e-02 2.0701e-03 7.8059e-03 -6.0000e+00 1.2090e-02 -5.0992e-04 1.1857e-03 3.8113e-03 -6.0000e+00 7.2252e-03 -3.1599e-03 5.2778e-04 1.0637e-03 -6.0000e+00 3.0856e-03 1.4015e-03 -5.2861e-04 3.9818e-05 1.3964e-05 -6.0000e+00 2.1025e-04 -4.5539e-02 0.0000e+00 12 9 1 12 9 1 99.97 18.38 0.27 -0.04554 -0.04951 24 12 1 5 0 737.920 26.51 20.00 18.38 26.69 27.2 963.94 -2053 -801 -698 -272 -2271 -311 -1531 -261 1101 -673 -293 -1542 -347 -1147 140 -90 154 -140 -172 549 954 977 449 92 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-951 -873 -1463 -859 -419 -15 567 377 720 -89 -240 -176 77 193 -90 170 2515 3157 179 69 553 124 343 752 934 962 250 248 -547 118 -154 -47 -97 -113 -264 -660 -745 -914 -836 SS 20240921T031415.6Z 9030.134903 422 1 2.01 2 37.01 175.44 112.94 316.87 0.00 1 0.00 1 0 17 6.859e-03 5.872e-03 2.576e-03 1.943e-03 1.518701e-01 1.007226e-03 1.823814e-03 -6.000000e+00 3.939691e-03 228.67 -2.00 3.44 -2.00 314.36 0.00e+00 1.702314e-04 7.855999e-05 3.143583e-05 -6.000000e+00 1.774644e-04 288.76 -2.00 20.00 -2.00 313.75 0.00e+00 1.251 0.000 302.00 328.00 3 3.1777e+00 2.5693e-03 1.4532e-02 -6.0000e+00 9.7911e-03 7.9764e-03 2.8431e-03 7.6734e-03 -6.0000e+00 1.0601e-02 2.7346e-03 1.6346e-03 3.7511e-03 -6.0000e+00 6.3358e-03 -4.2629e-03 7.1343e-04 1.0451e-03 -6.0000e+00 2.7056e-03 5.6814e-03 -4.8089e-04 5.4226e-05 1.4249e-05 -6.0000e+00 1.8438e-04 -4.4954e-02 0.0000e+00 12 1 1 12 1 1 87.17 18.38 0.26 -0.04495 -0.04857 7 36 1 5 0 250.180 26.51 20.00 18.38 27.24 27.2 967.89 -1135 -854 -373 -128 -1379 -749 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16 222 195 120 362 549 502 789 149 -42 -209 -792 -679 -181 -608 -933 -785 -813 -395 237 541 -23 231 201 20 -70 -183 781 109 313 932 2296 247 222 532 161 243 647 1190 894 245 83 -326 194 34 -173 -241 -15 -472 -682 -776 -688 -573 SS 20240921T032611.3Z 9030.143186 431 1 50.93 2 36.92 180.40 114.42 319.36 0.00 1 0.00 1 0 17 7.488e-03 6.604e-03 1.553e-03 9.263e-04 1.545198e-01 4.736239e-04 1.835978e-03 -6.000000e+00 4.301073e-03 228.66 -2.00 3.44 -2.00 315.49 0.00e+00 2.261799e-04 4.574837e-05 8.317222e-05 -6.000000e+00 1.937351e-04 288.76 -2.00 20.00 -2.00 314.76 0.00e+00 1.250 0.000 302.00 328.00 3 4.5290e+00 1.2232e-03 1.4581e-02 -6.0000e+00 1.0689e-02 2.0992e-02 1.3613e-03 7.7763e-03 -6.0000e+00 1.1574e-02 1.5045e-03 7.7968e-04 3.7969e-03 -6.0000e+00 6.9169e-03 -4.4805e-03 3.5196e-04 1.0579e-03 -6.0000e+00 2.9538e-03 1.4577e-03 -5.7912e-04 2.6321e-05 1.3508e-05 -6.0000e+00 2.0128e-04 -4.5209e-02 0.0000e+00 11 8 0 10 0 0 99.97 18.38 0.16 -0.04521 -0.04956 65 12 1 5 0 783.400 26.51 19.99 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