File name: Pandora252s1_BoulderCO-NCAR_20260720_L2Fit_fnvh3c5d20260330p1-8.txt File generation date: 20260731T154033.4Z Data description: Level 2 spectral fitting results file Data file version: fnvh3c5p1-8 Local principal investigator: Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 252 Spectrometer number: 1 Processing software version used: BlickP v1.8.88 Instrument operation file used: Pandora252_OF_v1d20260327.txt Instrument calibration file used: Pandora252s1_CF_v5d20260330.txt Level 1 file used: Pandora252s1_BoulderCO-NCAR_20260720_L1_smca1c5d20260330p1-8.txt Full location name: National Center for Atmospheric Research Short location name: BoulderCO-NCAR Country of location: United States Location latitude [deg]: 40.0375 Location longitude [deg]: -105.2420 Location altitude [m]: 1616 Local noon date: 20260720 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-data based on session 4 First and last pixel inside fitting window: 1155 1594 Nominal wavelengths inside fitting window [nm]: 435.1215 435.2499 435.3783 435.5067 435.6351 435.7634 435.8918 436.0201 436.1484 436.2767 436.4050 436.5333 436.6615 436.7898 436.9180 437.0462 437.1744 437.3026 437.4308 437.5589 437.6870 437.8151 437.9433 438.0713 438.1994 438.3275 438.4555 438.5835 438.7115 438.8395 438.9675 439.0955 439.2234 439.3514 439.4793 439.6072 439.7351 439.8630 439.9908 440.1187 440.2465 440.3743 440.5021 440.6299 440.7576 440.8854 441.0131 441.1409 441.2686 441.3963 441.5239 441.6516 441.7792 441.9069 442.0345 442.1621 442.2897 442.4172 442.5448 442.6723 442.7998 442.9273 443.0548 443.1823 443.3098 443.4372 443.5646 443.6920 443.8194 443.9468 444.0742 444.2015 444.3289 444.4562 444.5835 444.7108 444.8381 444.9653 445.0926 445.2198 445.3470 445.4742 445.6014 445.7286 445.8557 445.9829 446.1100 446.2371 446.3642 446.4912 446.6183 446.7453 446.8724 446.9994 447.1264 447.2534 447.3803 447.5073 447.6342 447.7611 447.8880 448.0149 448.1418 448.2686 448.3955 448.5223 448.6491 448.7759 448.9027 449.0295 449.1562 449.2829 449.4096 449.5363 449.6630 449.7897 449.9164 450.0430 450.1696 450.2962 450.4228 450.5494 450.6759 450.8025 450.9290 451.0555 451.1820 451.3085 451.4350 451.5614 451.6879 451.8143 451.9407 452.0671 452.1934 452.3198 452.4461 452.5725 452.6988 452.8251 452.9514 453.0776 453.2039 453.3301 453.4563 453.5825 453.7087 453.8349 453.9610 454.0871 454.2133 454.3394 454.4655 454.5915 454.7176 454.8436 454.9697 455.0957 455.2217 455.3476 455.4736 455.5996 455.7255 455.8514 455.9773 456.1032 456.2291 456.3549 456.4807 456.6066 456.7324 456.8582 456.9839 457.1097 457.2354 457.3612 457.4869 457.6126 457.7382 457.8639 457.9896 458.1152 458.2408 458.3664 458.4920 458.6175 458.7431 458.8686 458.9942 459.1197 459.2451 459.3706 459.4961 459.6215 459.7469 459.8723 459.9977 460.1231 460.2485 460.3738 460.4991 460.6245 460.7498 460.8750 461.0003 461.1255 461.2508 461.3760 461.5012 461.6264 461.7516 461.8767 462.0018 462.1270 462.2521 462.3772 462.5022 462.6273 462.7523 462.8774 463.0024 463.1274 463.2523 463.3773 463.5022 463.6272 463.7521 463.8770 464.0019 464.1267 464.2516 464.3764 464.5012 464.6260 464.7508 464.8756 465.0003 465.1251 465.2498 465.3745 465.4992 465.6238 465.7485 465.8731 465.9978 466.1224 466.2469 466.3715 466.4961 466.6206 466.7452 466.8697 466.9942 467.1186 467.2431 467.3675 467.4920 467.6164 467.7408 467.8652 467.9895 468.1139 468.2382 468.3625 468.4868 468.6111 468.7354 468.8596 468.9839 469.1081 469.2323 469.3565 469.4806 469.6048 469.7289 469.8530 469.9771 470.1012 470.2253 470.3494 470.4734 470.5974 470.7214 470.8454 470.9694 471.0934 471.2173 471.3412 471.4651 471.5890 471.7129 471.8368 471.9606 472.0844 472.2082 472.3320 472.4558 472.5796 472.7033 472.8271 472.9508 473.0745 473.1982 473.3218 473.4455 473.5691 473.6927 473.8163 473.9399 474.0635 474.1870 474.3105 474.4341 474.5576 474.6810 474.8045 474.9280 475.0514 475.1748 475.2982 475.4216 475.5450 475.6683 475.7917 475.9150 476.0383 476.1616 476.2848 476.4081 476.5313 476.6546 476.7778 476.9009 477.0241 477.1473 477.2704 477.3935 477.5166 477.6397 477.7628 477.8859 478.0089 478.1319 478.2549 478.3779 478.5009 478.6238 478.7468 478.8697 478.9926 479.1155 479.2384 479.3612 479.4841 479.6069 479.7297 479.8525 479.9753 480.0980 480.2208 480.3435 480.4662 480.5889 480.7116 480.8342 480.9569 481.0795 481.2021 481.3247 481.4473 481.5698 481.6924 481.8149 481.9374 482.0599 482.1824 482.3048 482.4273 482.5497 482.6721 482.7945 482.9169 483.0392 483.1616 483.2839 483.4062 483.5285 483.6508 483.7730 483.8953 484.0175 484.1397 484.2619 484.3841 484.5062 484.6284 484.7505 484.8726 484.9947 485.1167 485.2388 485.3608 485.4829 485.6049 485.7269 485.8488 485.9708 486.0927 486.2147 486.3366 486.4584 486.5803 486.7022 486.8240 486.9458 487.0676 487.1894 487.3112 487.4329 487.5547 487.6764 487.7981 487.9198 488.0415 488.1631 488.2848 488.4064 488.5280 488.6496 488.7711 488.8927 489.0142 489.1357 489.2572 489.3787 489.5002 489.6216 489.7431 489.8645 489.9859 --------------------------------------------------------------------------------------- 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: Oxygen dimer slant column amount [moles squared per meter to the 5th], -9e99=fitting not successful Column 45: Independent uncertainty of oxygen dimer slant column amount [moles squared per meter to the 5th], -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 oxygen dimer slant column amount [moles squared per meter to the 5th], -7=not given since method "MEAS" was chosen, -9=spectral fitting not successful Column 47: Common uncertainty of oxygen dimer slant column amount [moles squared per meter to the 5th], -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 oxygen dimer slant column amount [moles squared per meter to the 5th], -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: Oxygen dimer effective temperature [K] Column 50: Independent uncertainty of oxygen dimer 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 oxygen dimer 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 oxygen dimer 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 oxygen dimer fitting wavelength [nm], -9=fitting not successful Column 54: Diffuse correction applied before fitting at effective fitting wavelength for oxygen dimer [%], 0=no diffuse correction applied or fitting not requested, >0=measured diffuse correction, <0=(negative value of) calculated diffuse correction Column 55: Ozone slant column amount [moles per square meter], -9e99=fitting not successful Column 56: 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 57: 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 58: 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 59: 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 60: Ozone effective temperature [K] Column 61: 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 62: 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 63: 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 64: Effective ozone fitting wavelength [nm], -9=fitting not successful Column 65: 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 66: Fitted Ring spectrum, -9e99=no fitting done or fitting not successful Column 67: Independent uncertainty of fitted Ring spectrum, -9=fitting not successful Column 68: Structured uncertainty of fitted Ring spectrum, -9=fitting not successful Column 69: Common uncertainty of fitted Ring spectrum, -9=fitting not successful Column 70: rms-based uncertainty of fitted Ring spectrum, -9=fitting not successful Column 71: Effective Ring fitting wavelength [nm], -9=fitting not done or not successful Column 72: Diffuse correction applied before fitting at effective Ring fitting wavelength [%], 0=no diffuse correction applied, >0=measured diffuse correction, <0=(negative value of) calculated diffuse correction Column 73: Lower limit used for wavelength scaling [nm] Column 74: Upper limit used for wavelength scaling [nm] Column 75: Order of smoothing polynomial Column 76: Smoothing polynomial coefficient, order 0 Column 77: Independent uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful Column 78: Structured uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful Column 79: Common uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful Column 80: rms-based uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful Column 81: Smoothing polynomial coefficient, order 1 Column 82: Independent uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful Column 83: Structured uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful Column 84: Common uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful Column 85: rms-based uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful Column 86: Smoothing polynomial coefficient, order 2 Column 87: Independent uncertainty of smoothing polynomial coefficient, order 2, -9=fitting not successful Column 88: Structured uncertainty of smoothing polynomial coefficient, order 2, -9=fitting not successful Column 89: Common uncertainty of smoothing polynomial coefficient, order 2, -9=fitting not successful Column 90: rms-based uncertainty of smoothing polynomial coefficient, order 2, -9=fitting not successful Column 91: Smoothing polynomial coefficient, order 3 Column 92: Independent uncertainty of smoothing polynomial coefficient, order 3, -9=fitting not successful Column 93: Structured uncertainty of smoothing polynomial coefficient, order 3, -9=fitting not successful Column 94: Common uncertainty of smoothing polynomial coefficient, order 3, -9=fitting not successful Column 95: rms-based uncertainty of smoothing polynomial coefficient, order 3, -9=fitting not successful Column 96: Smoothing polynomial coefficient, order 4 Column 97: Independent uncertainty of smoothing polynomial coefficient, order 4, -9=fitting not successful Column 98: Structured uncertainty of smoothing polynomial coefficient, order 4, -9=fitting not successful Column 99: Common uncertainty of smoothing polynomial coefficient, order 4, -9=fitting not successful Column 100: rms-based uncertainty of smoothing polynomial coefficient, order 4, -9=fitting not successful Column 101: Mean value of measured data inside fitting window [same units as measurements] Column 102: Offset polynomial coefficient, order 0 Column 103: Independent uncertainty of offset polynomial coefficient, order 0, -9=fitting not successful Column 104: Structured uncertainty of offset polynomial coefficient, order 0, -9=fitting not successful Column 105: Common uncertainty of offset polynomial coefficient, order 0, -9=fitting not successful Column 106: rms-based uncertainty of offset polynomial coefficient, order 0, -9=fitting not successful Column 107: Offset polynomial coefficient, order 1 Column 108: Independent uncertainty of offset polynomial coefficient, order 1, -9=fitting not successful Column 109: Structured uncertainty of offset polynomial coefficient, order 1, -9=fitting not successful Column 110: Common uncertainty of offset polynomial coefficient, order 1, -9=fitting not successful Column 111: rms-based uncertainty of offset polynomial coefficient, order 1, -9=fitting not successful Column 112: Wavelength change polynomial coefficient, order 0 Column 113: Independent uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful Column 114: Structured uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful Column 115: Common uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful Column 116: rms-based uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful Column 117: Wavelength change polynomial coefficient, order 1 Column 118: Independent uncertainty of wavelength change polynomial coefficient, order 1, -9=fitting not successful Column 119: Structured uncertainty of wavelength change polynomial coefficient, order 1, -9=fitting not successful Column 120: Common uncertainty of wavelength change polynomial coefficient, order 1, -9=fitting not successful Column 121: rms-based uncertainty of wavelength change polynomial coefficient, order 1, -9=fitting not successful Column 122: L1 based wavelength change coefficient, order 0, -9=no L1 wavelength change determination Column 123: L1 based wavelength change coefficient, order 1, -9=no L1 wavelength change determination Column 124: 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 125: 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 126: 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 127: 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 128: 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 129: 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 130: Atmospheric variability [%], 999=no atmospheric variability was determined Column 131: Wavelength effective temperature [°C], 999=no effective temperature given Column 132: Estimated average residual stray light level [%] (only valid for stray light correction methods 2 and higher) Column 133: Retrieved wavelength shift from L1 data [nm], -9=no wavelength change determination Column 134: Retrieved total wavelength shift [nm], -9=no wavelength change fitting Column 135: Number of bright count cycles Column 136: Number of dark count cycles Column 137: Effective position of filterwheel #1, 0=filterwheel not used, 1-9 are valid positions Column 138: Effective position of filterwheel #2, 0=filterwheel not used, 1-9 are valid positions Column 139: Sum over 2^i, 0=spectra were interpolated in time, 1=spectra are corrected for off-target signal Column 140: Integration time [ms] Column 141: Temperature at electronics board [°C], 999=no temperature signal Column 142: Spectrometer control temperature [°C], 999=no temperature signal Column 143: Auxiliary spectrometer temperature [°C], 999=no temperature signal Column 144: Temperature in head sensor [°C], 999=no temperature signal Column 145: Humidity in head sensor [%], -9=no humidity signal Column 146: Pressure in head sensor [hPa], -9=no pressure signal Columns 147-586: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting Columns 587-1026: 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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