File name: Pandora223s1_HoChiMinhCity-SCEM_20241215_L2Fit_fout2c1d20220615p1-8.txt File generation date: 20250313T000859.0Z Data description: Level 2 spectral fitting results file Data file version: fout2c1p1-8 Local principal investigator: Nhi Hoang Tuyet Nguyen Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 223 Spectrometer number: 1 Processing software version used: BlickP v1.8.74 Instrument operation file used: Pandora223_OF_v3d20220614.txt Instrument calibration file used: Pandora223s1_CF_v1d20240325.txt Level 1 file used: Pandora223s1_HoChiMinhCity-SCEM_20241215_L1_smca1c1d20220615p1-8.txt Full location name: South Ctr for Env. Monitoring, Ministry of Natural Resources and Environment Short location name: HoChiMinhCity-SCEM Country of location: Vietnam Location latitude [deg]: 10.7825 Location longitude [deg]: 106.6833 Location altitude [m]: 45 Local noon date: 20241215 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: OOB based on session 1 lab analysis First and last pixel inside fitting window: 197 338 Nominal wavelengths inside fitting window [nm]: 305.0402 305.1816 305.3231 305.4645 305.6059 305.7473 305.8887 306.0301 306.1715 306.3129 306.4542 306.5955 306.7369 306.8782 307.0195 307.1608 307.3021 307.4434 307.5846 307.7259 307.8671 308.0083 308.1496 308.2908 308.4320 308.5731 308.7143 308.8555 308.9966 309.1378 309.2789 309.4200 309.5611 309.7022 309.8433 309.9843 310.1254 310.2665 310.4075 310.5485 310.6895 310.8305 310.9715 311.1125 311.2535 311.3944 311.5354 311.6763 311.8172 311.9581 312.0990 312.2399 312.3808 312.5217 312.6625 312.8033 312.9442 313.0850 313.2258 313.3666 313.5074 313.6482 313.7889 313.9297 314.0704 314.2111 314.3519 314.4926 314.6332 314.7739 314.9146 315.0553 315.1959 315.3365 315.4772 315.6178 315.7584 315.8990 316.0395 316.1801 316.3207 316.4612 316.6017 316.7423 316.8828 317.0233 317.1638 317.3042 317.4447 317.5851 317.7256 317.8660 318.0064 318.1468 318.2872 318.4276 318.5680 318.7083 318.8487 318.9890 319.1293 319.2697 319.4100 319.5502 319.6905 319.8308 319.9710 320.1113 320.2515 320.3917 320.5320 320.6721 320.8123 320.9525 321.0927 321.2328 321.3730 321.5131 321.6532 321.7933 321.9334 322.0735 322.2136 322.3536 322.4937 322.6337 322.7737 322.9137 323.0537 323.1937 323.3337 323.4737 323.6136 323.7536 323.8935 324.0334 324.1733 324.3132 324.4531 324.5930 324.7328 324.8727 --------------------------------------------------------------------------------------- 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 100-241: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting Columns 242-383: 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 --------------------------------------------------------------------------------------- SU 20241215T003331.9Z 9115.023286 516 1 13.07 2 71.00 119.41 112.68 305.98 0.00 1 0.00 1 0 17 4.079e-02 9.677e-03 2.078e-02 4.240e-03 3.159451e-01 2.194410e-03 3.339974e-03 -6.000000e+00 2.412872e-02 225.48 -2.00 3.06 -2.00 317.97 0.00e+00 9.700602e-04 4.001834e-04 5.132772e-04 -6.000000e+00 1.117522e-03 293.97 -2.00 20.00 -2.00 317.05 0.00e+00 3.034 0.000 302.00 328.00 3 4.1540e+00 5.8688e-03 3.2989e-02 -6.0000e+00 5.9354e-02 7.4200e-03 6.6785e-03 1.4353e-02 -6.0000e+00 6.4136e-02 1.2960e-04 4.1993e-03 6.9966e-03 -6.0000e+00 3.8570e-02 -7.1167e-03 2.1732e-03 1.9760e-03 -6.0000e+00 1.6715e-02 2.9215e-04 -6.3443e-07 1.3180e-04 2.3622e-05 -6.0000e+00 1.2024e-03 2.7312e-03 0.0000e+00 12 9 9 12 1 1 99.55 23.78 0.40 0.00273 0.00273 7 6 1 5 0 1612.410 26.32 20.00 23.78 35.03 0.0 1066.09 -3154 -5141 -2958 6562 6280 4783 -38080 -6369 3926 -2740 -1058 -5020 2103 -667 -1412 6836 1787 5444 -2645 11419 630 740 50 706 485 -89 4021 -6839 -1694 -4081 2227 -2759 4381 2204 -5174 -7600 -4054 -2227 252 948 -2052 728 -591 1003 782 1253 -981 507 -1710 -575 2324 -176 1022 1230 224 921 1698 -527 -163 -570 -411 2662 1997 2632 -306 -779 -887 -1186 1116 1372 462 1726 400 947 -348 -1075 -1519 -988 -1145 -1822 -2197 -1792 -2399 -855 77 -205 858 708 1139 1015 77 -881 -589 128 299 23 1041 1318 -25 -811 -957 -1354 -1215 -214 -385 -1465 -715 -1280 -11 812 1224 636 539 183 -53 -236 -273 -16 1047 605 513 119 585 149 658 -482 270 515 -117 -145 75 -1099 -809 -44 -155 -114 -35 787 201 415 -233 -839 -194 -361 -212 410 358 265 -3400 -463 287 -228 -88 -454 201 -77 -190 947 278 862 -477 1860 117 138 10 143 104 -20 868 -1572 -352 -870 479 -687 1105 585 -1422 -2127 -1195 -687 91 395 -969 353 -275 466 366 638 -464 254 -874 -297 1139 -95 583 740 141 592 1100 -347 -106 -371 -278 1889 1434 1992 -237 -571 -617 -828 825 1133 418 1486 346 840 -289 -812 -1151 -731 -842 -1525 -1930 -1727 -2488 -925 83 -235 1023 866 1375 1173 84 -946 -592 129 323 26 1296 1682 -34 -1073 -1183 -1662 -1447 -264 -478 -1942 -989 -1767 -16 1251 1857 974 838 267 -76 -329 -387 -23 1549 939 804 184 871 214 951 -672 366 722 -167 -223 120 -1736 -1318 -74 -265 -203 -64 1443 368 734 -400 -1481 SU 20241215T005749.0Z 9115.040151 651 1 50.45 2 65.87 121.75 117.18 308.64 0.00 1 0.00 1 0 17 2.916e-02 1.008e-02 7.327e-03 2.417e-03 2.559234e-01 1.257966e-03 2.738805e-03 -6.000000e+00 1.725428e-02 225.48 -2.00 3.06 -2.00 317.16 0.00e+00 6.504562e-04 1.839891e-04 3.875878e-04 -6.000000e+00 7.990757e-04 293.97 -2.00 20.00 -2.00 316.26 0.00e+00 2.428 0.000 302.00 328.00 3 5.1341e+00 3.2925e-03 2.6434e-02 -6.0000e+00 4.2443e-02 2.0064e-02 3.7065e-03 1.1528e-02 -6.0000e+00 4.5861e-02 8.3899e-03 2.2019e-03 5.5930e-03 -6.0000e+00 2.7580e-02 -9.2362e-03 1.0916e-03 1.5740e-03 -6.0000e+00 1.1954e-02 2.1206e-04 1.1225e-04 7.5042e-05 2.0087e-05 -6.0000e+00 8.5969e-04 1.9156e-03 0.0000e+00 12 8 8 10 0 0 99.95 23.79 0.72 0.00192 0.00276 19 4 1 5 0 2654.760 26.32 20.00 23.79 35.81 0.0 1074.96 -6499 2700 -7772 -1755 1412 4422 -25357 651 5178 6107 -1992 -2202 -434 -1460 476 5518 225 3068 -916 3483 -1437 -942 2621 2428 58 1184 1414 -3706 -1377 -1467 1524 -938 4614 1724 -6290 -4035 -3279 -2304 -170 342 -2096 428 -81 -732 599 2621 -496 -1001 -659 -1162 1372 -264 720 1106 -586 1068 1182 -705 -112 349 155 2565 1337 2649 381 -434 -200 -1597 1526 1756 1332 1156 137 789 391 -1494 -1097 -2144 -617 -1538 -1560 -1894 -2530 -1319 -498 -678 1111 870 1178 710 364 -808 -1290 -193 -93 229 1149 1015 -72 -384 -1057 -1691 -760 11 -1169 -1600 -385 -911 -541 961 1301 940 342 0 94 -229 -335 243 733 259 478 576 783 477 1002 -184 223 639 -20 -347 -505 -1054 -417 87 213 129 436 490 31 -183 -316 -1127 -758 317 -1042 -211 149 429 -3459 76 643 793 -282 -322 -69 -270 98 1195 54 747 -242 910 -402 -262 719 701 16 344 448 -1174 -402 -422 449 -306 1532 602 -2068 -1412 -1125 -914 -79 182 -1147 240 -47 -432 349 1490 -286 -567 -367 -658 798 -167 477 766 -425 780 875 -529 -82 256 118 2053 1081 2221 322 -345 -161 -1292 1188 1524 1258 1134 135 740 341 -1198 -869 -1667 -501 -1305 -1482 -1977 -2629 -1431 -573 -779 1318 1060 1418 820 419 -858 -1380 -203 -97 262 1353 1306 -97 -506 -1309 -2099 -911 13 -1478 -2143 -534 -1249 -782 1452 2034 1468 512 1 130 -304 -451 342 1031 385 716 848 1115 694 1381 -245 287 844 -29 -492 -748 -1608 -652 142 345 217 752 857 54 -312 -520 -1815