File name: Pandora163s1_Seoul-SNU_20210618_L2Fit_fout2c14d20210114p1-8.txt File generation date: 20250326T105512.0Z Data description: Level 2 spectral fitting results file Data file version: fout2c14p1-8 Local principal investigator: Jinsoo Park Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 163 Spectrometer number: 1 Processing software version used: BlickP v1.8.75 Instrument operation file used: Pandora163_OF_v8d20190605.txt Instrument calibration file used: Pandora163s1_CF_v14d20210114.txt Level 1 file used: Pandora163s1_Seoul-SNU_20210618_L1_smca1c14d20210114p1-8.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: 20210618 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: 225 367 Nominal wavelengths inside fitting window [nm]: 305.0608 305.2017 305.3426 305.4835 305.6244 305.7653 305.9062 306.0470 306.1879 306.3287 306.4695 306.6103 306.7511 306.8919 307.0327 307.1735 307.3143 307.4550 307.5958 307.7365 307.8772 308.0180 308.1587 308.2994 308.4400 308.5807 308.7214 308.8620 309.0027 309.1433 309.2839 309.4245 309.5651 309.7057 309.8463 309.9869 310.1274 310.2680 310.4085 310.5490 310.6895 310.8300 310.9705 311.1110 311.2515 311.3919 311.5324 311.6728 311.8133 311.9537 312.0941 312.2345 312.3748 312.5152 312.6556 312.7959 312.9363 313.0766 313.2169 313.3572 313.4975 313.6378 313.7780 313.9183 314.0585 314.1988 314.3390 314.4792 314.6194 314.7596 314.8998 315.0399 315.1801 315.3202 315.4603 315.6005 315.7406 315.8807 316.0207 316.1608 316.3009 316.4409 316.5810 316.7210 316.8610 317.0010 317.1410 317.2810 317.4209 317.5609 317.7008 317.8408 317.9807 318.1206 318.2605 318.4004 318.5402 318.6801 318.8199 318.9598 319.0996 319.2394 319.3792 319.5190 319.6588 319.7985 319.9383 320.0780 320.2177 320.3574 320.4971 320.6368 320.7765 320.9162 321.0558 321.1955 321.3351 321.4747 321.6143 321.7539 321.8935 322.0331 322.1726 322.3121 322.4517 322.5912 322.7307 322.8702 323.0097 323.1491 323.2886 323.4280 323.5675 323.7069 323.8463 323.9857 324.1251 324.2645 324.4038 324.5432 324.6825 324.8218 324.9611 --------------------------------------------------------------------------------------- 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 20210618T073534.3Z 7839.316370 471 1 49.89 2 53.14 272.93 45.48 128.30 0.00 1 0.00 1 0 17 3.794e-02 1.285e-02 3.184e-02 9.096e-03 2.360009e-01 4.549574e-03 2.797513e-03 -6.000000e+00 2.154351e-02 232.73 -2.00 3.44 -2.00 317.65 0.00e+00 1.201366e-03 7.086737e-04 1.848046e-04 -6.000000e+00 9.587333e-04 288.37 -2.00 20.00 -2.00 316.79 0.00e+00 1.663 0.000 302.00 328.00 3 6.4763e+00 1.2245e-02 2.0605e-02 -6.0000e+00 5.4111e-02 7.0466e-02 1.3807e-02 1.2269e-02 -6.0000e+00 5.8574e-02 5.2014e-03 8.2813e-03 5.9604e-03 -6.0000e+00 3.4855e-02 -7.8170e-03 4.1119e-03 1.7667e-03 -6.0000e+00 1.4772e-02 1.1481e-04 -3.8324e-04 2.5321e-04 1.7831e-05 -6.0000e+00 9.5987e-04 -6.0492e-04 0.0000e+00 12 9 8 11 8 0 99.69 26.00 1.21 -0.00060 -0.00348 17 3 1 5 0 2934.150 26.00 20.01 22.35 29.52 31.7 1025.47 22501 -6289 -4535 11023 2817 9060 5591 5493 4745 10008 3935 11396 9750 -12215 -4318 2517 7007 -5633 -5684 -820 -3574 -826 -141 4787 1359 -1253 -6086 6513 774 4728 -1225 2173 3808 -747 -1295 -9166 -3692 -5248 448 -1483 -814 2353 1612 691 -748 1220 -4386 -3198 2423 -531 -946 -841 1735 1463 27 206 -2319 -338 2184 925 -1280 1945 1245 1611 1110 -844 -191 -559 -320 1321 2845 949 2005 -829 -1462 -522 -1438 -1172 668 460 606 -78 -2092 -651 277 555 -437 -134 993 516 582 -265 382 -1179 -1016 -934 -23 -727 2673 1906 -1376 -676 -2652 -2478 -1526 -2049 118 198 1278 175 640 645 -62 203 -1572 -1947 -816 -46 932 -1536 335 633 1839 166 -385 1086 156 -1040 1105 1922 534 72 1016 -852 -591 43 608 298 -646 592 13 376 -2032 1909 -776 -565 1102 269 767 516 570 555 1161 474 1283 1250 -2237 -836 499 1384 -1302 -1358 -194 -890 -197 -34 1150 354 -347 -1770 1563 183 1048 -304 565 1059 -223 -361 -2658 -1101 -1865 180 -709 -421 1228 871 380 -416 665 -2485 -1736 1209 -272 -515 -488 1035 917 18 137 -1604 -229 1409 599 -873 1384 970 1333 917 -648 -133 -378 -232 1074 2491 882 1836 -753 -1243 -397 -988 -760 444 345 510 -72 -2104 -672 303 648 -545 -171 1257 635 664 -276 359 -1091 -989 -1004 -27 -952 3573 2532 -1755 -784 -2986 -2906 -1928 -2730 161 282 1873 276 1058 1074 -99 301 -2177 -2532 -1054 -62 1326 -2388 527 976 2721 240 -531 1410 194 -1308 1451 2686 788 110 1547 -1367 -1006 76 1094 549 -1209 1068 23 632 -3437 SS 20210618T074526.4Z 7839.323222 477 1 50.60 2 55.10 274.34 44.04 131.04 0.00 1 0.00 1 0 17 9.734e-03 5.138e-03 3.532e-03 1.108e-03 2.329375e-01 5.521807e-04 2.735327e-03 -6.000000e+00 5.526951e-03 232.73 -2.00 3.44 -2.00 317.47 0.00e+00 2.015423e-04 8.239043e-05 5.986296e-05 -6.000000e+00 2.459400e-04 288.37 -2.00 20.00 -2.00 316.60 0.00e+00 1.743 0.000 302.00 328.00 3 3.5031e+00 1.4796e-03 2.1099e-02 -6.0000e+00 1.3882e-02 9.1395e-03 1.6677e-03 1.2077e-02 -6.0000e+00 1.5027e-02 7.9171e-03 9.9603e-04 5.8297e-03 -6.0000e+00 8.9418e-03 -5.6751e-03 4.9128e-04 1.5846e-03 -6.0000e+00 3.7900e-03 2.1623e-03 -1.7324e-04 3.0743e-05 1.6721e-05 -6.0000e+00 2.4623e-04 -1.3013e-03 0.0000e+00 10 0 0 10 0 0 99.99 26.00 0.32 -0.00130 -0.00260 294 54 1 5 0 172.080 26.00 20.01 22.35 30.42 31.7 1030.38 1507 -1889 -930 -4600 -2964 -3795 817 2339 463 1338 -1615 -574 -1811 693 -1055 -525 -694 -29 1197 -291 639 -307 802 -278 598 232 -8 501 59 1962 731 2518 1351 585 -2006 -1134 -1478 -621 -818 -871 -881 -1324 -533 -791 -153 -953 -445 -409 -831 -98 379 573 749 653 598 1092 620 820 371 314 1049 1137 1402 1296 716 -262 -257 -484 513 497 142 394 -16 587 277 262 -29 -366 -126 -530 -699 -1179 -1558 -1501 -929 -837 -328 -166 145 509 336 316 234 621 567 484 431 538 368 -330 -368 -907 -303 -199 -576 -822 -799 -406 -324 263 325 404 29 -129 -113 192 289 223 82 -83 -128 -289 186 114 602 507 572 898 759 440 -24 52 -164 57 38 -73 141 -61 81 -255 -174 -520 -310 165 -234 -117 -558 -310 -377 82 264 60 179 -217 -77 -274 117 -208 -112 -154 -7 279 -71 159 -76 199 -74 167 68 -2 135 15 467 185 679 400 179 -583 -315 -448 -220 -352 -437 -482 -759 -311 -466 -89 -560 -254 -226 -449 -52 212 345 475 436 410 761 442 581 258 217 741 806 1079 1064 588 -198 -189 -346 388 403 127 365 -14 523 231 209 -21 -247 -89 -425 -590 -1101 -1553 -1559 -1029 -997 -412 -215 187 629 385 327 219 599 542 512 507 700 509 -451 -468 -1058 -334 -229 -727 -1099 -1114 -587 -460 396 515 645 44 -196 -156 247 372 301 120 -130 -193 -429 286 168 835 670 711 1116 1014 632 -37 80 -257 93 62 -125 246 -110 145 -450 -296 -852 -529