File name: Pandora54s1_Seoul_20210520_L2Fit_fout2c29d20210125p1-8.txt File generation date: 20250327T120504.6Z Data description: Level 2 spectral fitting results file Data file version: fout2c29p1-8 Local principal investigator: Jaemin Hong Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 54 Spectrometer number: 1 Processing software version used: BlickP v1.8.75 Instrument operation file used: Pandora54_OF_v3d20200817.txt Instrument calibration file used: Pandora54s1_CF_v29d20210125.txt Level 1 file used: Pandora54s1_Seoul_20210520_L1_smca1c29d20210125p1-8.txt Full location name: Yonsei University/Seoul Short location name: Seoul Country of location: South Korea Location latitude [deg]: 37.5644 Location longitude [deg]: 126.9340 Location altitude [m]: 86 Local noon date: 20210520 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, radiometric temperature correction, matrix method stray light correction (replaced by simple method) Data caveats: None First and last pixel inside fitting window: 265 407 Nominal wavelengths inside fitting window [nm]: 305.0837 305.2243 305.3649 305.5054 305.6460 305.7865 305.9271 306.0676 306.2081 306.3487 306.4891 306.6296 306.7701 306.9106 307.0510 307.1915 307.3319 307.4723 307.6127 307.7531 307.8935 308.0339 308.1743 308.3146 308.4550 308.5953 308.7356 308.8759 309.0162 309.1565 309.2968 309.4370 309.5773 309.7175 309.8578 309.9980 310.1382 310.2784 310.4186 310.5588 310.6989 310.8391 310.9792 311.1194 311.2595 311.3996 311.5397 311.6798 311.8198 311.9599 312.0999 312.2400 312.3800 312.5200 312.6600 312.8000 312.9400 313.0800 313.2200 313.3599 313.4998 313.6398 313.7797 313.9196 314.0595 314.1994 314.3392 314.4791 314.6189 314.7588 314.8986 315.0384 315.1782 315.3180 315.4578 315.5975 315.7373 315.8770 316.0168 316.1565 316.2962 316.4359 316.5756 316.7153 316.8549 316.9946 317.1342 317.2739 317.4135 317.5531 317.6927 317.8323 317.9718 318.1114 318.2509 318.3905 318.5300 318.6695 318.8090 318.9485 319.0880 319.2275 319.3669 319.5064 319.6458 319.7852 319.9246 320.0640 320.2034 320.3428 320.4821 320.6215 320.7608 320.9002 321.0395 321.1788 321.3181 321.4573 321.5966 321.7359 321.8751 322.0144 322.1536 322.2928 322.4320 322.5712 322.7103 322.8495 322.9887 323.1278 323.2669 323.4060 323.5451 323.6842 323.8233 323.9624 324.1014 324.2405 324.3795 324.5185 324.6576 324.7966 324.9355 --------------------------------------------------------------------------------------- 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 20210520T013938.5Z 7810.069196 249 1 23.04 2 29.49 118.92 108.03 53.96 0.00 1 0.00 1 0 17 1.518e-02 9.423e-03 7.781e-03 3.914e-03 1.820318e-01 1.991182e-03 2.123773e-03 -6.000000e+00 8.718536e-03 231.44 -2.00 3.44 -2.00 316.19 0.00e+00 5.507496e-04 2.178967e-04 1.294901e-04 -6.000000e+00 3.841012e-04 285.68 -2.00 20.00 -2.00 315.44 0.00e+00 1.148 0.000 302.00 328.00 3 5.8704e+00 5.2120e-03 1.4756e-02 -6.0000e+00 2.1841e-02 3.3099e-02 5.8116e-03 9.1826e-03 -6.0000e+00 2.3635e-02 -1.8753e-03 3.3463e-03 4.4604e-03 -6.0000e+00 1.4059e-02 -5.2161e-03 1.5450e-03 1.2408e-03 -6.0000e+00 5.9733e-03 3.9073e-04 2.0477e-04 1.1022e-04 1.3995e-05 -6.0000e+00 4.0039e-04 1.1291e-03 8.7853e-05 12 9 9 12 1 1 99.92 24.90 0.26 0.00113 0.00267 6 3 1 5 0 3266.375 29.05 23.00 24.90 28.80 17.1 1040.79 -5669 4226 -453 -2857 -4274 894 1114 1609 246 -1063 -2218 -6155 -2275 -758 3331 -1028 2290 531 820 1718 900 -858 -356 653 222 2231 -388 964 -1648 451 -1062 3583 417 -1069 -5046 -2339 -2989 -731 369 -378 128 311 877 -696 882 -1537 260 -488 -123 -850 451 967 1063 857 357 435 642 -399 52 -345 -89 2281 1891 2182 287 364 -1226 -1765 1175 1066 1655 600 433 299 73 -227 -1315 -2680 -1624 -1744 -1856 -2028 -2523 -1416 -987 -500 372 971 740 1574 279 10 -1518 -752 -674 -526 832 641 521 143 172 -1605 -824 -1137 -113 -1400 -536 -360 398 745 726 1376 702 387 -248 -671 -1048 -595 678 306 395 924 656 693 -76 -67 -507 57 -166 -37 267 -548 -479 -261 461 -174 205 614 463 33 309 -987 -1035 -1253 911 -102 -608 -817 157 207 331 57 -254 -518 -1513 -594 -218 1026 -351 779 188 298 638 340 -325 -136 259 92 935 -164 377 -616 162 -399 1366 173 -455 -2079 -925 -1287 -356 209 -243 88 220 630 -504 631 -1121 183 -331 -81 -560 306 689 793 662 283 350 522 -326 41 -277 -73 1933 1717 2061 272 318 -1010 -1419 964 973 1624 613 443 299 69 -196 -1048 -2045 -1265 -1490 -1739 -2047 -2687 -1542 -1134 -603 467 1249 956 1960 331 11 -1553 -742 -687 -574 971 811 687 188 215 -1893 -932 -1325 -140 -1837 -721 -498 564 1093 1105 2093 1038 543 -325 -837 -1312 -766 909 435 575 1343 931 959 -101 -86 -624 70 -211 -50 368 -771 -680 -378 695 -274 328 1001 758 53 490 -1544 -1594 SS 20210520T023226.0Z 7810.105856 277 1 2.00 2 21.41 141.18 99.55 63.10 0.00 1 0.00 1 0 17 9.670e-03 7.702e-03 1.998e-03 1.425e-03 1.627376e-01 7.339862e-04 1.918923e-03 -6.000000e+00 5.552501e-03 231.44 -2.00 3.44 -2.00 314.75 0.00e+00 3.976816e-04 6.029916e-05 5.312107e-05 -6.000000e+00 2.446422e-04 285.69 -2.00 20.00 -2.00 314.13 0.00e+00 1.074 0.000 302.00 328.00 3 2.2209e+00 1.8918e-03 1.3554e-02 -6.0000e+00 1.3910e-02 6.5491e-03 2.0938e-03 8.2282e-03 -6.0000e+00 1.5054e-02 -1.9158e-03 1.1976e-03 3.9913e-03 -6.0000e+00 8.9545e-03 -3.8016e-03 5.2628e-04 1.1007e-03 -6.0000e+00 3.8039e-03 1.7022e-02 -1.2400e-04 3.9157e-05 1.4216e-05 -6.0000e+00 2.5507e-04 7.2044e-04 2.1505e-05 12 9 1 12 1 1 62.09 25.00 0.27 0.00072 -0.00021 15 84 1 5 0 113.625 29.16 23.00 25.00 32.51 17.3 1063.00 755 -200 -318 -2409 -2009 -2004 -649 710 1090 -375 -2469 -814 -707 240 1350 78 237 981 711 1395 772 602 1033 897 558 928 79 -511 -418 -28 450 1726 1613 -1167 -2749 -3003 -2911 -1342 -249 -417 -795 -628 -243 -451 109 -555 -367 -721 -1269 -276 889 769 839 953 739 1033 339 680 62 351 835 1374 2147 1802 428 -228 -862 -693 647 914 751 616 660 597 79 -310 -1059 -1782 -1088 -1406 -1723 -1666 -2281 -1634 -894 -446 181 398 831 593 575 181 -701 -380 -175 -208 403 871 373 9 -366 -982 -725 -290 -685 -1032 -671 -465 -14 611 778 788 626 283 9 -85 -50 -69 292 291 -46 508 554 451 474 174 -150 401 339 12 -172 -354 -473 -184 158 130 162 497 140 34 -284 -479 -911 266 -75 -119 -842 -664 -632 -214 260 404 -145 -936 -305 -291 110 629 39 121 507 378 758 427 328 567 516 314 535 45 -291 -219 -14 234 936 932 -697 -1535 -1640 -1735 -858 -177 -321 -661 -509 -201 -373 89 -454 -307 -582 -990 -211 700 643 734 819 649 918 308 610 55 309 754 1321 2087 1846 436 -211 -772 -629 580 876 787 639 685 631 78 -293 -954 -1509 -941 -1284 -1666 -1762 -2443 -1813 -1003 -536 218 494 1032 712 668 201 -743 -382 -182 -225 455 1076 468 11 -447 -1166 -816 -337 -831 -1270 -859 -617 -18 842 1070 1089 865 379 12 -101 -59 -85 366 394 -62 678 753 588 613 214 -184 481 408 16 -220 -464 -624 -250 217 188 231 724 207 50 -403 -686 -1281 SS 20210520T023826.7Z 7810.110031 280 1 5.34 2 20.69 144.57 98.54 64.07 0.00 1 0.00 1 0 17 9.689e-03 7.659e-03 3.577e-03 2.420e-03 1.631531e-01 1.246824e-03 1.930989e-03 -6.000000e+00 5.563716e-03 231.44 -2.00 3.44 -2.00 315.00 0.00e+00 3.378195e-04 1.066120e-04 6.113424e-05 -6.000000e+00 2.451277e-04 285.69 -2.00 20.00 -2.00 314.35 0.00e+00 1.069 0.000 302.00 328.00 3 4.1405e+00 3.2215e-03 1.3545e-02 -6.0000e+00 1.3938e-02 1.1316e-02 3.5694e-03 8.2718e-03 -6.0000e+00 1.5084e-02 -1.6641e-03 2.0406e-03 4.0197e-03 -6.0000e+00 8.9723e-03 -3.2426e-03 9.0172e-04 1.1073e-03 -6.0000e+00 3.8117e-03 2.5019e-03 4.2383e-05 6.6901e-05 1.4133e-05 -6.0000e+00 2.5555e-04 8.1038e-04 4.6710e-05 12 9 1 12 1 1 89.53 25.01 0.13 0.00081 0.00113 6 13 1 5 0 737.964 29.16 23.00 25.01 33.15 17.1 1066.04 -496 390 586 -2530 -1910 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-1791 -953 -539 281 317 837 1212 253 469 -665 -323 -289 -646 287 1194 653 297 -475 -1114 -1138 -688 -736 -1437 -707 -813 498 1194 1077 1421 929 868 -368 33 -813 132 48 233 158 592 287 144 660 382 -460 319 452 199 -116 -509 -438 139 -291 56 554 608 51 395 -236 -1027 -1038