File name: Pandora84s1_Rotterdam-Haven_20240903_L2Fit_fout2c2d20240321p1-8.txt File generation date: 20250426T150648.4Z Data description: Level 2 spectral fitting results file Data file version: fout2c2p1-8 Local principal investigator: Alexander Cede Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 84 Spectrometer number: 1 Processing software version used: BlickP v1.8.75 Instrument operation file used: Pandora84_OF_v3d20231130.txt Instrument calibration file used: Pandora84s1_CF_v2d20240321.txt Level 1 file used: Pandora84s1_Rotterdam-Haven_20240903_L1_smca1c2d20240321p1-8.txt Full location name: De Slufter Visitor Centre Short location name: Rotterdam-Haven Country of location: Netherlands Location latitude [deg]: 51.9335 Location longitude [deg]: 3.9998 Location altitude [m]: 0 Local noon date: 20240903 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 session based on session 1 lab analysis First and last pixel inside fitting window: 197 339 Nominal wavelengths inside fitting window [nm]: 305.0841 305.2250 305.3659 305.5068 305.6477 305.7886 305.9294 306.0703 306.2111 306.3519 306.4928 306.6336 306.7744 306.9151 307.0559 307.1967 307.3374 307.4782 307.6189 307.7596 307.9003 308.0410 308.1817 308.3224 308.4631 308.6037 308.7444 308.8850 309.0256 309.1662 309.3068 309.4474 309.5880 309.7286 309.8691 310.0097 310.1502 310.2907 310.4312 310.5717 310.7122 310.8527 310.9932 311.1336 311.2741 311.4145 311.5549 311.6953 311.8357 311.9761 312.1165 312.2569 312.3972 312.5376 312.6779 312.8182 312.9585 313.0988 313.2391 313.3794 313.5197 313.6599 313.8002 313.9404 314.0806 314.2208 314.3610 314.5012 314.6414 314.7816 314.9217 315.0619 315.2020 315.3421 315.4822 315.6223 315.7624 315.9025 316.0426 316.1826 316.3227 316.4627 316.6027 316.7427 316.8827 317.0227 317.1627 317.3027 317.4426 317.5826 317.7225 317.8624 318.0023 318.1422 318.2821 318.4220 318.5618 318.7017 318.8415 318.9814 319.1212 319.2610 319.4008 319.5406 319.6803 319.8201 319.9599 320.0996 320.2393 320.3790 320.5187 320.6584 320.7981 320.9378 321.0774 321.2171 321.3567 321.4964 321.6360 321.7756 321.9152 322.0548 322.1943 322.3339 322.4734 322.6130 322.7525 322.8920 323.0315 323.1710 323.3105 323.4499 323.5894 323.7288 323.8683 324.0077 324.1471 324.2865 324.4259 324.5653 324.7046 324.8440 324.9833 --------------------------------------------------------------------------------------- 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 100-242: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting Columns 243-385: 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 --------------------------------------------------------------------------------------- SS 20240903T115045.6Z 9012.493584 193 1 54.29 2 44.70 182.66 45.43 175.70 0.00 1 0.00 1 0 17 8.217e-03 6.413e-03 4.999e-04 3.541e-04 1.820492e-01 1.841988e-04 2.396557e-03 -6.000000e+00 4.781758e-03 230.12 -2.00 3.84 -2.00 314.84 0.00e+00 2.799390e-04 1.516683e-05 2.205250e-05 -6.000000e+00 2.089812e-04 281.58 -2.00 20.00 -2.00 314.26 0.00e+00 1.405 0.000 302.00 328.00 3 2.6635e+00 4.7364e-04 1.7432e-02 -6.0000e+00 1.1947e-02 2.2852e-02 5.2622e-04 1.0243e-02 -6.0000e+00 1.2965e-02 -3.1283e-04 3.0036e-04 4.9905e-03 -6.0000e+00 7.7054e-03 -3.3966e-03 1.2960e-04 1.3801e-03 -6.0000e+00 3.2188e-03 7.5681e-03 2.1687e-04 1.0308e-05 1.8820e-05 -6.0000e+00 2.3165e-04 -4.2423e-03 7.9485e-05 11 8 0 10 0 0 100.00 25.81 0.28 -0.00424 -0.00261 493 52 1 5 0 110.110 33.75 20.01 25.81 29.39 1.2 1004.64 17 -87 -537 -2357 -2113 -1770 253 950 200 -1202 -1710 -1089 -487 188 484 73 346 477 986 1229 564 893 1184 1098 884 614 87 -384 27 852 1517 1890 1076 -1511 -2492 -1909 -1707 -680 -452 -670 -798 -550 -701 -422 -123 -305 -538 -575 -734 134 541 563 778 713 612 939 478 292 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20240903T115934.2Z 9012.499702 196 1 54.49 2 44.81 185.76 45.40 178.72 0.00 1 0.00 1 0 17 8.554e-03 6.631e-03 9.326e-04 6.500e-04 1.831586e-01 3.384268e-04 2.400080e-03 -6.000000e+00 4.977835e-03 230.12 -2.00 3.84 -2.00 314.89 0.00e+00 3.366886e-04 2.812443e-05 2.381682e-05 -6.000000e+00 2.175416e-04 281.58 -2.00 20.00 -2.00 314.30 0.00e+00 1.407 0.000 302.00 328.00 3 3.8623e+00 8.7072e-04 1.7478e-02 -6.0000e+00 1.2437e-02 2.9026e-02 9.6744e-04 1.0286e-02 -6.0000e+00 1.3496e-02 -2.1648e-04 5.5215e-04 5.0098e-03 -6.0000e+00 8.0211e-03 -3.8795e-03 2.3841e-04 1.3897e-03 -6.0000e+00 3.3511e-03 2.2652e-03 2.0350e-04 1.8936e-05 1.8519e-05 -6.0000e+00 2.4113e-04 -5.2977e-03 6.4790e-05 11 8 0 10 0 0 99.94 25.85 0.32 -0.00530 -0.00377 112 12 1 5 0 486.470 33.75 20.01 25.85 30.27 1.2 1013.03 12 -110 -151 -2669 -2112 -2083 113 1072 341 -1016 -1591 -1247 -567 30 62 78 865 -102 1078 1360 801 729 1214 1165 857 587 129 -566 94 753 1349 1770 1043 -1349 -2775 -2198 -1928 -835 -342 -484 -815 -481 -618 -394 -32 -179 -270 -457 -661 131 597 573 902 793 478 906 443 315 365 551 945 1311 1813 1175 -84 -431 -731 -119 673 325 357 484 642 554 -73 -447 -907 -878 -628 -1103 -1247 -1765 -2088 -1502 -883 -424 21 429 528 547 335 -62 -90 97 61 1 710 639 176 -211 -531 -780 -153 -131 -845 -990 -826 -618 190 552 564 439 417 -18 -5 -36 48 264 418 50 20 220 328 560 535 -10 349 1013 449 327 -47 -329 -182 126 49 -65 240 201 -132 52 -449 -644 -709 4 -41 -56 -929 -650 -616 35 361 127 -395 -610 -485 -223 13 28 38 429 -52 528 682 408 368 622 624 480 338 73 -302 49 383 710 919 578 -768 -1499 -1171 -1123 -527 -241 -371 -641 -391 -514 -328 -27 -146 -214 -352 -519 102 460 467 768 671 416 795 395 279 318 480 850 1200 1771 1152 -81 -398 -656 -104 620 321 366 514 678 562 -72 -419 -810 -746 -556 -1040 -1249 -1854 -2232 -1676 -1008 -495 25 538 658 651 383 -67 -93 102 64 1 827 784 225 -264 -650 -887 -174 -150 -1013 -1253 -1049 -817 251 766 783 607 568 -24 -6 -44 59 325 534 69 26 303 439 741 670 -13 414 1204 567 421 -63 -434 -243 174 69 -93 353 302 -199 77 -641 -926 -1009 SS 20240903T125140.6Z 9012.535886 215 1 38.70 2 46.86 203.59 46.64 196.35 0.00 1 0.00 1 0 17 8.976e-03 6.810e-03 1.099e-03 7.588e-04 1.887784e-01 3.943339e-04 2.482133e-03 -6.000000e+00 5.224227e-03 230.11 -2.00 3.84 -2.00 314.96 0.00e+00 4.332643e-04 3.323714e-05 2.584438e-05 -6.000000e+00 2.283038e-04 281.57 -2.00 20.00 -2.00 314.36 0.00e+00 1.460 0.000 302.00 328.00 3 3.7655e+00 1.0152e-03 1.8100e-02 -6.0000e+00 1.3052e-02 1.7954e-02 1.1280e-03 1.0629e-02 -6.0000e+00 1.4164e-02 1.8955e-03 6.4368e-04 5.1730e-03 -6.0000e+00 8.4178e-03 -3.9545e-03 2.7912e-04 1.4412e-03 -6.0000e+00 3.5173e-03 2.3511e-03 1.9229e-04 2.2036e-05 1.9384e-05 -6.0000e+00 2.5303e-04 -5.6950e-03 7.8148e-05 12 9 1 12 1 1 99.30 26.02 0.28 -0.00569 -0.00425 49 7 1 5 0 773.850 34.00 20.01 26.02 29.94 1.2 1009.47 81 71 -309 -2352 -2545 -2383 729 684 507 -1263 -1586 -1304 -777 -270 308 -125 836 391 1204 1119 411 784 1221 1066 975 682 287 -724 -58 1059 1668 1819 1378 -1378 -3083 -2530 -1908 -879 -509 -480 -908 -439 -602 -362 -113 -54 -352 -390 -652 124 746 676 908 717 671 914 507 387 281 427 929 1359 1591 1311 97 -398 -742 -231 868 420 483 454 500 392 54 -511 -784 -908 -799 -1038 -1284 -1738 -2144 -1489 -921 -530 -32 369 622 532 340 -12 -63 178 90 -79 785 744 73 -258 -537 -909 -202 -315 -834 -1016 -761 -510 205 658 585 489 387 35 -148 136 42 369 396 87 4 195 299 497 624 42 487 986 306 321 -90 -313 -89 100 -29 -138 303 142 -59 -83 -376 -620 -700 27 25 -109 -783 -814 -731 229 222 181 -474 -586 -489 -298 -116 137 -60 409 197 584 558 209 393 622 569 542 391 163 -387 -31 537 874 949 767 -792 -1687 -1365 -1121 -562 -347 -358 -700 -349 -490 -296 -92 -43 -276 -309 -503 95 593 544 765 605 579 799 450 342 244 371 833 1245 1499 1293 95 -371 -669 -202 802 402 482 470 515 405 52 -482 -702 -775 -713 -989 -1254 -1790 -2349 -1640 -1042 -617 -39 460 772 632 387 -14 -67 183 94 -87 912 913 91 -324 -657 -1075 -229 -374 -1002 -1290 -975 -678 274 895 827 689 535 46 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