File name: Pandora20s1_Busan_20250524_L2Fit_fwvt1c7d20220623p1-8.txt
File generation date: 20250524T152746.6Z
Data description: Level 2 spectral fitting results file
Data file version: fwvt1c7p1-8
Local principal investigator: Jae Hwan Kim
Network principal investigator: Alexander Cede
Instrument type: Pandora
Instrument number: 20
Spectrometer number: 1
Processing software version used: BlickP v1.8.75
Instrument operation file used: Pandora20_OF_v4d20201001.txt
Instrument calibration file used: Pandora20s1_CF_v7d20220623.txt
Level 1 file used: Pandora20s1_Busan_20250524_L1_smca1c7d20220623p1-8.txt
Full location name: Busan/South Korea
Short location name: Busan
Country of location: South Korea
Location latitude [deg]: 35.2353
Location longitude [deg]: 129.0825
Location altitude [m]: 71
Local noon date: 20250524
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: Fiel cal based on session 6
First and last pixel inside fitting window: 1680 1829
Nominal wavelengths inside fitting window [nm]: 492.0791 492.2002 492.3212 492.4423 492.5633 492.6843 492.8053 492.9262 493.0472 493.1681 493.2890 493.4099 493.5308 493.6516 493.7725 493.8933 494.0141 494.1349 494.2557 494.3765 494.4972 494.6179 494.7386 494.8593 494.9800 495.1007 495.2213 495.3419 495.4625 495.5831 495.7037 495.8243 495.9448 496.0653 496.1858 496.3063 496.4268 496.5472 496.6677 496.7881 496.9085 497.0289 497.1492 497.2696 497.3899 497.5102 497.6305 497.7508 497.8711 497.9913 498.1115 498.2318 498.3519 498.4721 498.5923 498.7124 498.8326 498.9527 499.0727 499.1928 499.3129 499.4329 499.5529 499.6729 499.7929 499.9129 500.0329 500.1528 500.2727 500.3926 500.5125 500.6324 500.7522 500.8720 500.9918 501.1116 501.2314 501.3512 501.4709 501.5907 501.7104 501.8301 501.9497 502.0694 502.1890 502.3086 502.4283 502.5478 502.6674 502.7870 502.9065 503.0260 503.1455 503.2650 503.3845 503.5039 503.6233 503.7428 503.8621 503.9815 504.1009 504.2202 504.3396 504.4589 504.5782 504.6974 504.8167 504.9359 505.0551 505.1743 505.2935 505.4127 505.5318 505.6510 505.7701 505.8892 506.0083 506.1273 506.2464 506.3654 506.4844 506.6034 506.7224 506.8413 506.9603 507.0792 507.1981 507.3170 507.4358 507.5547 507.6735 507.7923 507.9111 508.0299 508.1487 508.2674 508.3861 508.5048 508.6235 508.7422 508.8608 508.9795 509.0981 509.2167 509.3353 509.4538 509.5724 509.6909 509.8094 509.9279
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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: Water vapor slant column amount [moles per square meter], -9e99=fitting not successful
Column 23: Independent uncertainty of water vapor 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 water vapor 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 water vapor 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 water vapor 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: Water vapor effective temperature [K]
Column 28: Independent uncertainty of water vapor 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 water vapor 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 water vapor 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 water vapor fitting wavelength [nm], -9=fitting not successful
Column 32: Diffuse correction applied before fitting at effective fitting wavelength for water vapor [%], 0=no diffuse correction applied or fitting not requested, >0=measured diffuse correction, <0=(negative value of) calculated diffuse correction
Column 33: Nitrogen dioxide slant column amount [moles per square meter], -9e99=fitting not successful
Column 34: Independent uncertainty of nitrogen 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 nitrogen 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 nitrogen 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 nitrogen 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: Nitrogen dioxide effective temperature [K]
Column 39: Independent uncertainty of nitrogen 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 nitrogen 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 nitrogen 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 nitrogen dioxide fitting wavelength [nm], -9=fitting not successful
Column 43: Diffuse correction applied before fitting at effective fitting wavelength for nitrogen dioxide [%], 0=no diffuse correction applied or fitting not requested, >0=measured diffuse correction, <0=(negative value of) calculated diffuse correction
Column 44: Ozone slant column amount [moles per square meter], -9e99=fitting not successful
Column 45: 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 46: 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 47: 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 48: 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 49: Ozone effective temperature [K]
Column 50: 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 51: 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 52: 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 53: Effective ozone fitting wavelength [nm], -9=fitting not successful
Column 54: 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 55: Molecular scattering air mass factor used for molecular scattering subtraction before the fitting
Column 56: Estimated uncertainty of molecular scattering air mass factor, -9=molecular scattering was not subtracted before the fitting
Column 57: Lower limit used for wavelength scaling [nm]
Column 58: Upper limit used for wavelength scaling [nm]
Column 59: Order of smoothing polynomial
Column 60: Smoothing polynomial coefficient, order 0
Column 61: Independent uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful
Column 62: Structured uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful
Column 63: Common uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful
Column 64: rms-based uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful
Column 65: Smoothing polynomial coefficient, order 1
Column 66: Independent uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful
Column 67: Structured uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful
Column 68: Common uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful
Column 69: rms-based uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful
Column 70: Mean value of measured data inside fitting window [same units as measurements]
Column 71: Wavelength change polynomial coefficient, order 0
Column 72: Independent uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful
Column 73: Structured uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful
Column 74: Common uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful
Column 75: rms-based uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful
Column 76: L1 based wavelength change coefficient, order 0, -9=no L1 wavelength change determination
Column 77: L1 based wavelength change coefficient, order 1, -9=no L1 wavelength change determination
Column 78: 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 79: 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 80: 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 81: 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 82: 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 83: 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 84: Atmospheric variability [%], 999=no atmospheric variability was determined
Column 85: Wavelength effective temperature [°C], 999=no effective temperature given
Column 86: Estimated average residual stray light level [%] (only valid for stray light correction methods 2 and higher)
Column 87: Retrieved wavelength shift from L1 data [nm], -9=no wavelength change determination
Column 88: Retrieved total wavelength shift [nm], -9=no wavelength change fitting
Column 89: Number of bright count cycles
Column 90: Number of dark count cycles
Column 91: Effective position of filterwheel #1, 0=filterwheel not used, 1-9 are valid positions
Column 92: Effective position of filterwheel #2, 0=filterwheel not used, 1-9 are valid positions
Column 93: Sum over 2^i, 0=spectra were interpolated in time, 1=spectra are corrected for off-target signal
Column 94: Integration time [ms]
Column 95: Temperature at electronics board [°C], 999=no temperature signal
Column 96: Spectrometer control temperature [°C], 999=no temperature signal
Column 97: Auxiliary spectrometer temperature [°C], 999=no temperature signal
Column 98: Temperature in head sensor [°C], 999=no temperature signal
Column 99: Humidity in head sensor [%], -9=no humidity signal
Column 100: Pressure in head sensor [hPa], -9=no pressure signal
Columns 101-250: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting
Columns 251-400: 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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SQ 20250524T042547.1Z 9275.184573 382 1 7.58 2 20.33 229.10 58.88 259.99 0.00 1 0.00 1 0 43 8.187e-03 8.190e-03 2.681e-03 2.678e-03 3.352863e+03 1.830799e+02 3.965283e+01 -6.000000e+00 5.093976e+02 287.51 -2.00 20.00 -2.00 505.25 0.00e+00 1.310079e-03 7.838547e-05 1.447898e-05 -6.000000e+00 2.422990e-04 287.51 -2.00 20.00 -2.00 500.48 0.00e+00 -5.076383e-02 5.333354e-02 1.011116e-02 -6.000000e+00 1.711993e-01 231.71 -2.00 3.40 -2.00 502.06 0.00e+00 1.066 0.000 489.00 513.00 1 7.0144e+00 4.1589e-03 1.7430e-03 -6.0000e+00 1.3218e-02 -9.1647e-03 9.7194e-04 1.6097e-04 -6.0000e+00 3.3427e-03 1.4817e-03 9.3644e-02 3.8083e-04 1.3343e-05 -6.0000e+00 1.1256e-03 1.5351e-01 -3.3273e-04 12 13 9 12 1 1 999.00 22.40 2.19 0.15351 0.80306 1 2 1 4 0 3786.150 26.41 20.00 22.40 18.23 32.9 978.31 85 293 147 -232 -22 -303 -289 -53 -117 282 -201 -542 -491 -121 -75 -137 -131 592 89 375 -280 -1002 -734 -614 -668 -503 -218 -56 -204 4409 -253 690 307 716 783 1074 1366 864 1034 772 739 558 -637 -1070 -948 -1339 -995 -687 -108 -557 -568 -5 821 1273 1178 871 1189 639 471 637 -302 -521 -379 -732 -523 -396 -929 -387 -777 -982 -825 -472 -519 -811 -1312 -1324 -611 -632 -1472 -601 -60 36 -404 -24 387 183 -101 559 273 202 -194 -525 -1136 -608 -571 -692 -796 -953 -1029 -1261 -336 208 738 86 97 703 725 1798 1372 2131 1089 1260 938 976 1328 633 1038 188 760 391 221 -170 115 -13 -493 -55 -237 -1065 325 -241 -620 14 17 739 541 1125 870 521 217 -330 -919 -128 -202 -901 -646 -830 -887 -1112 -355 900000 89 306 153 -239 -23 -311 -293 -54 -117 284 -207 -558 -514 -127 -78 -142 -136 615 92 389 -289 -1046 -748 -628 -679 -514 -222 -59 -212 4460 -262 716 318 736 806 1110 1394 893 1071 801 760 566 -655 -1079 -954 -1334 -987 -687 -108 -568 -578 -6 835 1291 1198 890 1210 651 476 635 -305 -522 -375 -721 -513 -389 -925 -385 -776 -976 -810 -457 -500 -783 -1277 -1297 -599 -626 -1453 -591 -59 35 -400 -24 386 184 -100 561 272 197 -191 -506 -1085 -574 -542 -670 -774 -948 -1020 -1255 -330 206 728 84 97 701 717 1808 1369 2119 1095 1260 934 960 1310 624 1016 185 747 386 219 -169 113 -13 -480 -52 -226 -1020 309 -233 -599 14 17 730 540 1121 855 513 213 -323 -906 -124 -194 -869 -626 -814 -861 -1083 -349 900000
SQ 20250524T043508.9Z 9275.191075 385 1 5.01 2 21.82 233.55 60.70 261.51 0.00 1 0.00 1 0 43 6.733e-03 6.723e-03 2.722e-03 2.718e-03 2.743541e+03 1.830788e+02 2.717777e+01 -6.000000e+00 4.189655e+02 287.52 -2.00 20.00 -2.00 505.25 0.00e+00 1.101267e-03 7.955525e-05 5.811733e-06 -6.000000e+00 1.992861e-04 287.52 -2.00 20.00 -2.00 500.49 0.00e+00 -8.820970e-02 5.407569e-02 9.995752e-03 -6.000000e+00 1.408129e-01 231.71 -2.00 3.40 -2.00 502.07 0.00e+00 1.077 0.000 489.00 513.00 1 6.6450e+00 4.2188e-03 1.7113e-03 -6.0000e+00 1.0872e-02 -7.4656e-03 9.8709e-04 1.6487e-04 -6.0000e+00 2.7495e-03 2.1553e-03 9.3585e-02 3.8800e-04 1.2963e-05 -6.0000e+00 9.2576e-04 1.5698e-01 -3.5773e-04 12 13 9 12 1 1 999.00 22.40 2.31 0.15698 0.80613 1 4 1 4 0 2498.960 26.41 19.99 22.40 18.21 32.8 977.32 299 737 -68 289 297 -455 -611 -64 -306 111 4 -218 -132 -40 284 202 290 1165 319 -159 -220 -1332 -385 -311 -16 -372 14 -510 -418 -380 474 228 767 661 969 634 1072 1179 385 776 453 536 -526 -691 -917 -1154 -694 -600 -317 -216 -58 578 376 827 910 803 656 767 650 477 45 -355 -696 -632 -130 -418 -898 -733 -714 -1470 -362 -1465 52 -826 -858 -1218 -874 -627 -397 -900 -423 -627 -238 547 387 596 302 370 576 40 -457 -567 -955 -506 -631 -687 -641 -1104 -1142 -376 -389 -236 568 542 -395 418 1085 1371 1194 2207 951 844 1364 662 943 637 706 597 447 -141 154 334 -274 -364 -123 -88 -67 -691 -268 -750 124 17 498 552 392 817 797 318 391 -15 -374 87 -161 -828 -872 -915 -508 -782 -322 900000 310 766 -71 298 308 -467 -621 -66 -313 112 4 -224 -137 -42 299 210 302 1205 332 -166 -227 -1371 -391 -316 -17 -379 15 -531 -434 -396 489 233 790 680 996 647 1097 1215 402 805 468 545 -539 -694 -920 -1146 -685 -598 -315 -219 -59 586 384 842 927 820 671 780 655 477 46 -354 -690 -622 -127 -410 -892 -731 -712 -1467 -354 -1432 51 -797 -831 -1193 -860 -621 -395 -890 -418 -622 -236 542 387 599 301 367 574 39 -443 -550 -915 -479 -602 -668 -626 -1086 -1138 -372 -384 -231 553 532 -395 419 1075 1366 1199 2202 961 850 1357 655 936 629 696 588 442 -138 150 329 -266 -359 -119 -85 -64 -661 -257 -729 121 17 490 548 386 805 787 315 385 -15 -368 84 -155 -800 -849 -899 -493 -762 -312 900000