File name: Pandora76s1_Dhaka_20231208_L2Fit_fout2c3d20221213p1-8.txt
File generation date: 20240113T145742.5Z
Data description: Level 2 spectral fitting results file
Data file version: fout2c3p1-8
Local principal investigator: Abdus Salam
Network principal investigator: Alexander Cede
Instrument type: Pandora
Instrument number: 76
Spectrometer number: 1
Processing software version used: BlickP v1.8.59
Instrument operation file used: Pandora76_OF_v2d20220127.txt
Instrument calibration file used: Pandora76s1_CF_v3d20221213.txt
Level 1 file used: Pandora76s1_Dhaka_20231208_L1_smca1c3d20221213p1-8.txt
Full location name: University of Dhaka; Mukarram Hussain Khundker Biggyan Bhaban (MHK Bhaban)
Short location name: Dhaka
Country of location: Bangladesh
Location latitude [deg]: 23.7284
Location longitude [deg]: 90.3982
Location altitude [m]: 34
Local noon date: 20231208
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: Field Cal on 1.8
First and last pixel inside fitting window: 198 339
Nominal wavelengths inside fitting window [nm]: 305.1253 305.2671 305.4089 305.5507 305.6925 305.8342 305.9759 306.1176 306.2592 306.4009 306.5425 306.6841 306.8257 306.9672 307.1087 307.2502 307.3917 307.5332 307.6746 307.8160 307.9574 308.0988 308.2402 308.3815 308.5228 308.6641 308.8054 308.9467 309.0879 309.2291 309.3703 309.5115 309.6526 309.7938 309.9349 310.0760 310.2171 310.3581 310.4992 310.6402 310.7812 310.9222 311.0632 311.2041 311.3451 311.4860 311.6269 311.7678 311.9086 312.0495 312.1903 312.3311 312.4719 312.6127 312.7535 312.8943 313.0350 313.1757 313.3164 313.4571 313.5978 313.7384 313.8791 314.0197 314.1603 314.3009 314.4415 314.5820 314.7226 314.8631 315.0036 315.1442 315.2846 315.4251 315.5656 315.7060 315.8465 315.9869 316.1273 316.2677 316.4080 316.5484 316.6888 316.8291 316.9694 317.1097 317.2500 317.3903 317.5305 317.6708 317.8110 317.9513 318.0915 318.2317 318.3719 318.5120 318.6522 318.7923 318.9325 319.0726 319.2127 319.3528 319.4929 319.6329 319.7730 319.9130 320.0531 320.1931 320.3331 320.4731 320.6131 320.7530 320.8930 321.0329 321.1729 321.3128 321.4527 321.5926 321.7325 321.8724 322.0122 322.1521 322.2919 322.4317 322.5715 322.7113 322.8511 322.9909 323.1307 323.2704 323.4101 323.5499 323.6896 323.8293 323.9690 324.1087 324.2483 324.3880 324.5276 324.6673 324.8069 324.9465
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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
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SS 20231208T061800.4Z 8742.262505 378 1 51.43 2 46.91 188.83 70.37 252.11 0.00 1 0.00 1 0 17 7.781e-03 5.716e-03 2.483e-04 1.399e-04 1.761243e-01 7.142442e-05 1.938621e-03 -6.000000e+00 4.476095e-03 224.94 -2.00 3.14 -2.00 315.80 0.00e+00 1.781989e-04 7.566924e-06 4.757944e-05 -6.000000e+00 2.066501e-04 290.46 -2.00 20.00 -2.00 315.03 0.00e+00 1.461 0.000 302.00 328.00 3 -1.5963e+00 1.8348e-04 1.6556e-02 -6.0000e+00 1.1015e-02 8.6356e-03 2.0505e-04 8.0661e-03 -6.0000e+00 1.1955e-02 3.3549e-03 1.1767e-04 3.9649e-03 -6.0000e+00 7.1710e-03 -7.2189e-03 5.4144e-05 1.1182e-03 -6.0000e+00 3.0908e-03 5.1972e-01 -3.4802e-04 4.1114e-06 1.4986e-05 -6.0000e+00 2.1990e-04 -1.7751e-02 7.1082e-05 10 0 0 10 0 0 99.53 24.77 0.39 -0.01775 -0.02037 2432 419 1 5 0 21.040 27.05 20.00 24.77 32.51 9.9 1009.52 -1214 -910 -474 -1398 -1641 -1873 -1126 133 353 -136 -1118 -1378 -1437 -871 -276 -58 94 430 769 1198 877 833 905 885 908 1132 737 468 597 690 1245 1228 745 -990 -2132 -2206 -1933 -1111 -600 -725 -897 -663 -704 -603 -329 -406 -578 -573 -393 199 692 795 856 908 665 921 604 530 380 623 1039 1522 1472 922 -27 -480 -512 -160 546 344 234 308 239 266 -176 -410 -632 -736 -396 -787 -986 -1592 -1770 -1192 -736 -296 48 246 320 249 132 -120 -123 197 212 414 807 673 -4 -284 -748 -671 -198 -249 -656 -812 -677 -419 318 360 389 121 46 -155 -49 40 281 306 277 2 61 133 400 315 541 462 704 707 463 181 -77 -276 -73 -20 93 32 181 10 -225 -470 -406 -542 -303 -239 -122 -329 -348 -390 -250 32 93 -37 -299 -383 -442 -299 -104 -23 38 178 326 520 382 361 404 376 402 507 320 207 247 285 536 560 358 -470 -965 -1027 -918 -618 -392 -488 -640 -486 -524 -448 -242 -294 -405 -422 -282 144 529 586 660 725 541 759 501 434 308 511 895 1405 1446 853 -25 -417 -418 -132 495 347 231 310 235 269 -163 -340 -528 -610 -327 -729 -1008 -1625 -1898 -1349 -891 -351 60 307 390 306 148 -133 -127 206 221 475 1015 843 -5 -342 -904 -762 -226 -306 -806 -1046 -909 -585 463 513 563 181 65 -199 -63 50 362 421 382 3 88 187 542 436 710 575 858 900 627 239 -105 -381 -104 -29 146 49 282 16 -351 -712 -638 -834
SS 20231208T063559.4Z 8742.274994 391 1 51.70 2 47.74 194.36 74.25 254.19 0.00 1 0.00 1 0 17 2.510e-02 1.348e-02 1.540e-02 6.261e-03 1.901800e-01 3.174425e-03 2.089826e-03 -6.000000e+00 1.444596e-02 224.94 -2.00 3.14 -2.00 316.93 0.00e+00 2.176469e-03 4.277918e-04 1.560226e-04 -6.000000e+00 6.666313e-04 290.46 -2.00 20.00 -2.00 316.08 0.00e+00 1.484 0.000 302.00 328.00 3 4.5600e+00 8.3001e-03 1.7096e-02 -6.0000e+00 3.5550e-02 9.9325e-02 9.3409e-03 8.8639e-03 -6.0000e+00 3.8579e-02 3.9364e-03 5.4373e-03 4.3655e-03 -6.0000e+00 2.3140e-02 -1.3957e-02 2.6200e-03 1.8396e-03 -6.0000e+00 9.9798e-03 1.0011e-03 -4.9124e-05 1.8700e-04 1.7720e-05 -6.0000e+00 7.0926e-04 -2.0815e-02 1.0158e-04 12 9 8 11 8 0 98.15 25.03 -0.31 -0.02081 -0.02118 13 2 1 5 0 3976.420 27.26 20.00 25.03 33.02 9.8 1010.22 -3389 67 7193 -10986 1789 -1782 -4688 -1033 4233 -3465 -10580 4756 -7258 -1879 -2678 -1490 1275 -476 2789 159 4708 218 2573 -1580 3452 445 1024 3369 -1314 1568 -7658 2967 3543 267 -1073 -5697 -1197 234 1955 837 -224 2321 -269 -1170 -1727 208 -2108 1251 -1977 -596 1153 -563 2023 1074 2175 1728 -852 1534 -3775 1311 -885 3146 2407 1683 2266 -3731 757 -1688 1163 -328 988 340 1322 1951 -374 -1003 -4612 -3472 -1192 -1090 -1501 -2410 -666 -1382 139 980 1728 1053 475 895 85 -1432 -2457 -1701 -1072 -256 947 915 981 -668 -116 -1521 -842 -2470 -1914 820 -1250 1124 1013 1781 1759 308 819 -1033 -1263 -1533 -509 -833 347 -155 2103 671 55 -14 144 -1380 -205 1089 804 -88 -313 -79 -422 -309 77 1302 -212 579 -770 827 -678 -1283 -560 11 1123 -1872 240 -241 -694 -163 683 -612 -1965 863 -1664 -463 -742 -434 371 -145 847 51 1437 69 813 -540 1159 156 346 1032 -399 465 -2631 976 1219 92 -353 -2011 -452 102 989 479 -137 1430 -173 -760 -1125 131 -1317 730 -1165 -353 708 -371 1356 751 1525 1231 -623 1079 -2767 929 -676 2488 2044 1464 1845 -2932 535 -1237 915 -290 914 321 1209 1675 -329 -794 -3485 -2578 -943 -963 -1468 -2556 -727 -1462 156 1151 2095 1300 576 1112 97 -1501 -2432 -1697 -1149 -300 1210 1140 1224 -804 -141 -1761 -974 -3123 -2569 1118 -1653 1662 1579 2888 2900 498 1230 -1443 -1639 -1946 -660 -1154 510 -238 3163 1000 80 -20 186 -1718 -248 1357 1067 -123 -452 -115 -636 -489 128 2208 -373 1022 -1358 1389 -1119 -2078