File name: Pandora76s1_Dhaka_20231208_L2Fit_fout2c7d20230312p1-8.txt
File generation date: 20250226T084033.1Z
Data description: Level 2 spectral fitting results file
Data file version: fout2c7p1-8
Local principal investigator: Abdus Salam
Network principal investigator: Alexander Cede
Instrument type: Pandora
Instrument number: 76
Spectrometer number: 1
Processing software version used: BlickP v1.8.74
Instrument operation file used: Pandora76_OF_v2d20220127.txt
Instrument calibration file used: Pandora76s1_CF_v7d20230312.txt
Level 1 file used: Pandora76s1_Dhaka_20231208_L1_smca1c7d20230312p1-8.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: None
First and last pixel inside fitting window: 198 339
Nominal wavelengths inside fitting window [nm]: 305.1263 305.2675 305.4087 305.5498 305.6909 305.8321 305.9732 306.1143 306.2554 306.3965 306.5375 306.6786 306.8196 306.9607 307.1017 307.2427 307.3837 307.5247 307.6657 307.8067 307.9476 308.0886 308.2295 308.3704 308.5113 308.6523 308.7931 308.9340 309.0749 309.2158 309.3566 309.4975 309.6383 309.7791 309.9199 310.0607 310.2015 310.3423 310.4830 310.6238 310.7645 310.9052 311.0460 311.1867 311.3274 311.4681 311.6087 311.7494 311.8900 312.0307 312.1713 312.3119 312.4525 312.5931 312.7337 312.8743 313.0149 313.1554 313.2960 313.4365 313.5770 313.7175 313.8580 313.9985 314.1390 314.2795 314.4199 314.5604 314.7008 314.8412 314.9816 315.1220 315.2624 315.4028 315.5432 315.6835 315.8239 315.9642 316.1045 316.2448 316.3851 316.5254 316.6657 316.8060 316.9462 317.0865 317.2267 317.3669 317.5071 317.6473 317.7875 317.9277 318.0679 318.2080 318.3482 318.4883 318.6284 318.7685 318.9086 319.0487 319.1888 319.3289 319.4689 319.6090 319.7490 319.8890 320.0290 320.1690 320.3090 320.4490 320.5890 320.7289 320.8689 321.0088 321.1487 321.2887 321.4286 321.5684 321.7083 321.8482 321.9880 322.1279 322.2677 322.4075 322.5474 322.6872 322.8270 322.9667 323.1065 323.2463 323.3860 323.5257 323.6655 323.8052 323.9449 324.0846 324.2242 324.3639 324.5036 324.6432 324.7828 324.9224
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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 8.486e-03 5.777e-03 2.489e-04 1.399e-04 1.760609e-01 7.137729e-05 1.932199e-03 -6.000000e+00 4.881325e-03 224.94 -2.00 3.14 -2.00 315.82 0.00e+00 2.979144e-04 7.586997e-06 4.419353e-05 -6.000000e+00 2.252107e-04 290.46 -2.00 20.00 -2.00 315.05 0.00e+00 1.461 0.000 302.00 328.00 3 -4.3653e-01 1.8341e-04 1.6549e-02 -6.0000e+00 1.2012e-02 8.4419e-03 2.0498e-04 8.0547e-03 -6.0000e+00 1.3036e-02 4.4598e-03 1.1771e-04 3.9577e-03 -6.0000e+00 7.8197e-03 -7.7694e-03 5.4265e-05 1.1225e-03 -6.0000e+00 3.3759e-03 1.6287e-01 -3.1481e-04 4.1111e-06 1.4871e-05 -6.0000e+00 2.3997e-04 2.2046e-03 0.0000e+00 10 0 0 10 0 0 99.53 24.77 0.38 0.00220 -0.00016 2432 419 1 5 0 21.040 27.05 20.00 24.77 32.51 9.9 1009.52 -191 -962 -1813 -3658 -2916 -1618 39 1176 544 -871 -1608 -758 -413 145 374 36 120 548 862 1187 587 749 1057 981 836 743 -84 -398 132 750 1489 1522 742 -1499 -2373 -1858 -1262 -360 -56 -521 -902 -727 -822 -740 -442 -569 -744 -719 -442 291 827 885 925 915 637 871 505 415 311 627 1111 1607 1525 900 -115 -551 -533 -115 621 384 242 294 213 233 -208 -430 -638 -734 -396 -788 -990 -1594 -1776 -1213 -762 -317 38 255 357 316 213 -42 -94 158 139 338 739 653 48 -195 -649 -618 -246 -335 -707 -856 -716 -464 264 326 409 198 162 -30 29 36 220 211 201 -17 87 179 475 399 620 536 688 626 392 133 -91 -291 -129 -102 32 -3 154 17 -179 -414 -349 -521 -48 -252 -466 -862 -618 -337 9 288 144 -236 -430 -211 -127 50 141 14 49 227 366 468 233 325 472 417 370 333 -37 -176 55 309 641 695 357 -713 -1074 -865 -599 -201 -37 -350 -643 -533 -612 -549 -325 -412 -521 -530 -318 212 631 653 714 730 518 718 419 340 252 515 958 1484 1498 833 -109 -478 -435 -95 563 387 240 296 210 236 -192 -357 -533 -609 -326 -730 -1013 -1627 -1905 -1373 -923 -377 47 318 435 388 239 -47 -97 165 145 387 930 818 61 -235 -784 -703 -281 -413 -869 -1102 -961 -647 385 464 592 298 228 -38 37 46 283 291 276 -24 126 252 644 552 814 667 840 797 531 176 -124 -402 -183 -152 51 -5 239 26 -280 -628 -550 -803
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 2.536e-02 1.346e-02 1.548e-02 6.265e-03 1.903643e-01 3.176937e-03 2.089621e-03 -6.000000e+00 1.459775e-02 224.94 -2.00 3.14 -2.00 316.94 0.00e+00 2.261306e-03 4.289428e-04 1.556848e-04 -6.000000e+00 6.731638e-04 290.46 -2.00 20.00 -2.00 316.09 0.00e+00 1.484 0.000 302.00 328.00 3 5.7205e+00 8.3076e-03 1.7100e-02 -6.0000e+00 3.5922e-02 9.8390e-02 9.3480e-03 8.8863e-03 -6.0000e+00 3.8978e-02 6.3622e-03 5.4477e-03 4.3740e-03 -6.0000e+00 2.3381e-02 -1.5203e-02 2.6311e-03 1.8921e-03 -6.0000e+00 1.0100e-02 3.1333e-04 3.8925e-05 1.8713e-04 1.7984e-05 -6.0000e+00 7.1715e-04 -1.7044e-03 0.0000e+00 12 9 8 11 8 0 98.15 25.03 -0.11 -0.00170 -0.00141 13 2 1 5 0 3976.420 27.26 20.00 25.03 33.02 9.8 1010.22 -2046 -53 5776 -13452 425 -1600 -3591 -27 4727 -4224 -11012 5642 -6056 -751 -2009 -1442 1424 -452 2790 29 4294 4 2616 -1581 3339 32 195 2546 -1698 1752 -7337 3170 3579 -264 -1293 -5445 -442 1062 2550 1054 -234 2255 -402 -1331 -1952 13 -2309 1087 -2027 -477 1234 -534 2119 1018 2086 1624 -930 1447 -3890 1367 -758 3282 2426 1659 2156 -3811 772 -1640 1338 -216 985 295 1313 1863 -472 -999 -4641 -3448 -1068 -985 -1418 -2403 -666 -1337 124 959 1752 1036 471 909 112 -1400 -2443 -1721 -1113 -302 902 943 1009 -614 0 -1485 -876 -2540 -1919 773 -1255 1072 954 1736 1755 350 896 -944 -1204 -1535 -556 -910 277 -183 2110 691 100 40 246 -1278 -223 1069 741 -130 -327 -92 -465 -374 28 1273 -235 583 -732 874 -630 -1263 -335 -9 897 -2280 57 -215 -528 -4 756 -742 -2035 1018 -1382 -184 -555 -419 412 -137 844 9 1307 1 824 -539 1118 11 66 778 -514 518 -2514 1042 1228 -91 -424 -1920 -167 464 1289 603 -143 1388 -258 -864 -1272 8 -1442 634 -1193 -282 757 -351 1419 712 1462 1157 -680 1017 -2852 967 -578 2593 2060 1443 1754 -2993 546 -1202 1052 -191 912 279 1199 1600 -415 -790 -3507 -2559 -844 -870 -1386 -2549 -727 -1414 138 1127 2125 1281 572 1129 127 -1466 -2418 -1717 -1193 -354 1153 1173 1260 -738 0 -1720 -1014 -3212 -2574 1055 -1659 1587 1488 2816 2895 567 1346 -1319 -1563 -1950 -722 -1262 408 -282 3173 1031 144 54 318 -1591 -269 1331 984 -183 -473 -135 -701 -593 46 2160 -414 1031 -1290 1469 -1040 -2046