File name: Pandora231s1_Suwon-USW_20250519_L2Fit_fwvt1c3d20231101p1-8.txt
File generation date: 20250519T162023.8Z
Data description: Level 2 spectral fitting results file
Data file version: fwvt1c3p1-8
Local principal investigator: Hyeong-Ahn Kwon
Network principal investigator: Alexander Cede
Instrument type: Pandora
Instrument number: 231
Spectrometer number: 1
Processing software version used: BlickP v1.8.75
Instrument operation file used: Pandora231_OF_v3d20220713.txt
Instrument calibration file used: Pandora231s1_CF_v3d20231101.txt
Level 1 file used: Pandora231s1_Suwon-USW_20250519_L1_smca1c3d20231101p1-8.txt
Full location name: University of Suwon
Short location name: Suwon-USW
Country of location: Korea, Republic of
Location latitude [deg]: 37.2110
Location longitude [deg]: 126.9800
Location altitude [m]: 60
Local noon date: 20250519
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: OoB session after repairs and clearance, based on session 2
First and last pixel inside fitting window: 1612 1760
Nominal wavelengths inside fitting window [nm]: 492.0504 492.1723 492.2941 492.4160 492.5378 492.6596 492.7814 492.9031 493.0249 493.1466 493.2684 493.3901 493.5118 493.6334 493.7551 493.8767 493.9983 494.1199 494.2415 494.3631 494.4846 494.6062 494.7277 494.8492 494.9707 495.0922 495.2136 495.3350 495.4565 495.5779 495.6993 495.8206 495.9420 496.0633 496.1846 496.3059 496.4272 496.5485 496.6697 496.7910 496.9122 497.0334 497.1546 497.2757 497.3969 497.5180 497.6391 497.7602 497.8813 498.0024 498.1234 498.2444 498.3655 498.4865 498.6074 498.7284 498.8493 498.9703 499.0912 499.2121 499.3330 499.4538 499.5747 499.6955 499.8163 499.9371 500.0579 500.1786 500.2994 500.4201 500.5408 500.6615 500.7822 500.9028 501.0235 501.1441 501.2647 501.3853 501.5059 501.6264 501.7470 501.8675 501.9880 502.1085 502.2289 502.3494 502.4698 502.5903 502.7107 502.8310 502.9514 503.0718 503.1921 503.3124 503.4327 503.5530 503.6733 503.7935 503.9137 504.0340 504.1542 504.2743 504.3945 504.5146 504.6348 504.7549 504.8750 504.9951 505.1151 505.2352 505.3552 505.4752 505.5952 505.7152 505.8351 505.9551 506.0750 506.1949 506.3148 506.4347 506.5545 506.6743 506.7942 506.9140 507.0338 507.1535 507.2733 507.3930 507.5127 507.6324 507.7521 507.8718 507.9914 508.1111 508.2307 508.3503 508.4698 508.5894 508.7089 508.8285 508.9480 509.0675 509.1870 509.3064 509.4259 509.5453 509.6647 509.7841 509.9034
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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: 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: Temperature at electronics board 1 [°C], 999=no temperature signal
Column 99: Temperature at electronics board 2 [°C], 999=no temperature signal
Column 100: Humidity in head sensor [%], -9=no humidity signal
Column 101: Pressure in head sensor [hPa], -9=no pressure signal
Columns 102-250: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting
Columns 251-399: 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 20250519T034944.2Z 9270.159539 301 1 24.41 2 18.00 196.29 115.56 262.19 0.00 1 0.00 1 0 8 1.500e-02 1.500e-02 4.665e-04 4.655e-04 7.637908e+02 2.547929e+01 6.293385e+01 -6.000000e+00 8.029310e+02 285.94 -2.00 20.00 -2.00 505.25 0.00e+00 4.387471e-04 1.264039e-05 1.100111e-05 -6.000000e+00 4.171855e-04 285.94 -2.00 20.00 -2.00 500.38 0.00e+00 -4.618128e-02 8.995887e-03 4.430663e-03 -6.000000e+00 2.916813e-01 231.42 -2.00 3.43 -2.00 501.98 0.00e+00 1.051 0.000 489.00 513.00 1 5.1267e+00 6.8747e-04 1.5804e-03 -6.0000e+00 2.2312e-02 1.2088e-02 1.8211e-04 1.4159e-04 -6.0000e+00 5.8877e-03 9.9979e-03 7.4275e-05 3.7632e-05 8.0730e-06 -6.0000e+00 1.2430e-03 4.7107e-02 -3.8233e-05 12 9 9 12 1 1 99.99 25.86 0.51 0.04711 0.04762 89 37 4 2 0 271.110 20.00 25.86 28.59 28.51 28.94 0.0 995.19 -4106 -3209 -1543 -316 565 1419 2063 2174 1656 1002 355 -492 -1423 -1970 -2034 -1834 -1056 79 588 722 1009 1009 1317 1769 1950 1611 1460 192 -1552 -2470 -2287 -1906 -371 1062 1386 855 237 -248 -743 -597 -251 486 1296 2057 2471 2317 1834 1212 25 -1477 -2787 -3474 -3385 -2127 -853 126 588 702 538 844 1435 1838 2003 1706 1112 413 65 -263 -929 -1190 -728 -50 618 812 582 -497 -1218 -1679 -1959 -1648 -1220 -1351 -1088 -674 -475 -551 -637 -368 117 561 1605 2490 2607 2097 1607 657 -451 -1888 -2591 -2544 -1958 -500 906 895 315 -542 -1627 -2059 -1453 -733 112 669 1159 1501 1832 2130 2675 1837 631 172 -418 114 681 748 848 926 726 699 737 -314 -1267 -1862 -2605 -2719 -1718 -895 -303 242 660 761 1082 1334 1486 1415 713 -653 -1675 -2033 -1693 -4200 -3173 -1564 -329 595 1510 2223 2355 1788 1070 376 -519 -1483 -2036 -2103 -1907 -1109 81 615 757 1055 1054 1370 1842 2036 1682 1519 199 -1568 -2546 -2347 -1968 -388 1099 1462 897 247 -256 -761 -607 -256 497 1329 2119 2553 2388 1876 1228 25 -1518 -2810 -3460 -3364 -2140 -843 127 598 713 544 848 1443 1854 2018 1713 1107 406 64 -254 -929 -1177 -719 -50 619 787 565 -477 -1206 -1650 -1919 -1617 -1157 -1292 -1042 -653 -465 -540 -624 -360 115 549 1577 2479 2610 2084 1580 641 -433 -1781 -2408 -2356 -1831 -476 891 903 318 -543 -1612 -2022 -1430 -731 113 680 1134 1470 1795 2095 2616 1786 637 171 -412 111 670 738 834 910 712 684 724 -308 -1224 -1782 -2481 -2580 -1647 -878 -288 232 635 732 1041 1289 1442 1374 689 -622 -1628 -1948 -1622
SQ 20250519T044558.1Z 9270.198589 316 1 52.00 2 24.22 229.43 126.16 270.19 0.00 1 0.00 1 0 15 1.554e-02 1.541e-02 1.778e-03 1.770e-03 1.921625e+03 1.038808e+02 1.499107e+02 -6.000000e+00 8.319170e+02 285.95 -2.00 20.00 -2.00 505.27 0.00e+00 6.890920e-04 4.789291e-05 2.563521e-05 -6.000000e+00 4.322528e-04 285.95 -2.00 20.00 -2.00 500.29 0.00e+00 7.862992e-02 3.466322e-02 1.189957e-02 -6.000000e+00 3.021685e-01 231.43 -2.00 3.43 -2.00 501.89 0.00e+00 1.096 0.000 489.00 513.00 1 7.9373e+00 2.6533e-03 1.9795e-03 -6.0000e+00 2.3115e-02 3.5013e-03 6.9643e-04 3.1544e-04 -6.0000e+00 6.0984e-03 5.8888e-04 -1.8218e-05 1.4335e-04 1.7025e-05 -6.0000e+00 1.2878e-03 4.2872e-02 -1.2721e-06 12 8 8 10 0 0 99.91 25.73 0.48 0.04287 0.04275 13 3 2 2 0 4000.000 20.00 25.73 28.94 28.40 28.73 0.0 998.92 -4186 -3224 -1449 -193 796 1210 2051 2166 1276 1021 502 -722 -1268 -1756 -2407 -1834 -1311 403 225 494 818 989 1423 1939 2067 1568 1841 318 -1888 -2999 -2442 -2081 -556 839 1371 799 760 -667 -823 -537 74 807 1111 1818 2377 2039 1872 1350 54 -1660 -3060 -3454 -3443 -2594 -882 -237 398 332 324 1058 1411 1947 1895 1609 1105 803 -31 210 -1248 -839 -399 -441 301 747 637 -199 -1527 -1570 -2183 -1382 -1515 -1318 -1183 -823 -429 -264 -546 -546 371 289 2130 2578 3257 2544 1794 401 -433 -2152 -2636 -2961 -1843 -374 951 1073 201 -512 -1892 -2158 -1488 -905 15 703 690 1624 2067 2238 2749 1809 406 135 -1251 479 490 765 601 1067 708 868 554 -177 -1497 -1851 -2407 -2974 -1845 -700 -257 318 385 611 912 911 1599 1396 390 -885 -1237 -1883 -1194 -4019 -3134 -1443 -197 821 1269 2174 2309 1360 1071 523 -751 -1298 -1781 -2458 -1877 -1359 424 243 534 881 1064 1521 2076 2222 1687 1966 339 -1973 -3063 -2475 -2123 -575 898 1491 866 812 -714 -870 -563 78 849 1179 1940 2541 2179 1979 1413 56 -1691 -3061 -3405 -3390 -2597 -902 -248 420 351 340 1099 1470 2033 1981 1676 1140 815 -31 210 -1241 -819 -390 -436 299 751 641 -197 -1502 -1527 -2124 -1339 -1491 -1303 -1173 -775 -407 -251 -518 -518 351 275 2016 2482 3132 2429 1697 377 -399 -1958 -2358 -2650 -1657 -343 903 1045 197 -497 -1823 -2057 -1422 -877 15 692 687 1606 2043 2226 2724 1786 399 131 -1208 452 468 733 576 1019 676 825 530 -169 -1411 -1724 -2229 -2758 -1728 -668 -249 309 378 600 896 901 1579 1381 385 -862 -1170 -1763 -1114