File name: Pandora252s1_BoulderCO-NCAR_20250530_L2Fit_fnvh3c3d20230118p1-8.txt File generation date: 20250731T081444.7Z Data description: Level 2 spectral fitting results file Data file version: fnvh3c3p1-8 Local principal investigator: Tom Hanisco Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 252 Spectrometer number: 1 Processing software version used: BlickP v1.8.75 Instrument operation file used: Pandora252_OF_v2d20221123.txt Instrument calibration file used: Pandora252s1_CF_v3d20230118.txt Level 1 file used: Pandora252s1_BoulderCO-NCAR_20250530_L1_smca1c3d20230118p1-8.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: 20250530 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: Updated OoB with correct parameters based on session 2 First and last pixel inside fitting window: 1155 1594 Nominal wavelengths inside fitting window [nm]: 435.1268 435.2552 435.3837 435.5121 435.6404 435.7688 435.8972 436.0255 436.1539 436.2822 436.4105 436.5387 436.6670 436.7953 436.9235 437.0517 437.1799 437.3081 437.4363 437.5645 437.6926 437.8207 437.9489 438.0770 438.2050 438.3331 438.4612 438.5892 438.7172 438.8452 438.9732 439.1012 439.2292 439.3571 439.4851 439.6130 439.7409 439.8688 439.9966 440.1245 440.2523 440.3802 440.5080 440.6358 440.7636 440.8913 441.0191 441.1468 441.2745 441.4022 441.5299 441.6576 441.7853 441.9129 442.0405 442.1681 442.2957 442.4233 442.5509 442.6784 442.8060 442.9335 443.0610 443.1885 443.3160 443.4434 443.5709 443.6983 443.8257 443.9531 444.0805 444.2079 444.3352 444.4626 444.5899 444.7172 444.8445 444.9718 445.0990 445.2263 445.3535 445.4807 445.6079 445.7351 445.8622 445.9894 446.1165 446.2437 446.3708 446.4979 446.6249 446.7520 446.8790 447.0061 447.1331 447.2601 447.3870 447.5140 447.6410 447.7679 447.8948 448.0217 448.1486 448.2755 448.4023 448.5292 448.6560 448.7828 448.9096 449.0364 449.1632 449.2899 449.4166 449.5434 449.6701 449.7967 449.9234 450.0501 450.1767 450.3033 450.4299 450.5565 450.6831 450.8097 450.9362 451.0627 451.1893 451.3158 451.4422 451.5687 451.6952 451.8216 451.9480 452.0744 452.2008 452.3272 452.4535 452.5799 452.7062 452.8325 452.9588 453.0851 453.2114 453.3376 453.4638 453.5901 453.7163 453.8425 453.9686 454.0948 454.2209 454.3470 454.4731 454.5992 454.7253 454.8514 454.9774 455.1034 455.2295 455.3554 455.4814 455.6074 455.7333 455.8593 455.9852 456.1111 456.2370 456.3629 456.4887 456.6145 456.7404 456.8662 456.9920 457.1177 457.2435 457.3692 457.4950 457.6207 457.7464 457.8721 457.9977 458.1234 458.2490 458.3746 458.5002 458.6258 458.7514 458.8769 459.0025 459.1280 459.2535 459.3790 459.5045 459.6299 459.7554 459.8808 460.0062 460.1316 460.2570 460.3823 460.5077 460.6330 460.7583 460.8836 461.0089 461.1342 461.2594 461.3846 461.5099 461.6351 461.7603 461.8854 462.0106 462.1357 462.2608 462.3859 462.5110 462.6361 462.7612 462.8862 463.0112 463.1362 463.2612 463.3862 463.5112 463.6361 463.7611 463.8860 464.0109 464.1357 464.2606 464.3855 464.5103 464.6351 464.7599 464.8847 465.0095 465.1342 465.2590 465.3837 465.5084 465.6331 465.7577 465.8824 466.0070 466.1317 466.2563 466.3809 466.5054 466.6300 466.7545 466.8791 467.0036 467.1281 467.2525 467.3770 467.5015 467.6259 467.7503 467.8747 467.9991 468.1234 468.2478 468.3721 468.4964 468.6207 468.7450 468.8693 468.9935 469.1178 469.2420 469.3662 469.4904 469.6145 469.7387 469.8628 469.9870 470.1111 470.2352 470.3592 470.4833 470.6073 470.7313 470.8553 470.9793 471.1033 471.2273 471.3512 471.4751 471.5990 471.7229 471.8468 471.9707 472.0945 472.2183 472.3422 472.4659 472.5897 472.7135 472.8372 472.9610 473.0847 473.2084 473.3320 473.4557 473.5794 473.7030 473.8266 473.9502 474.0738 474.1973 474.3209 474.4444 474.5679 474.6914 474.8149 474.9384 475.0618 475.1853 475.3087 475.4321 475.5555 475.6788 475.8022 475.9255 476.0488 476.1721 476.2954 476.4187 476.5419 476.6652 476.7884 476.9116 477.0348 477.1579 477.2811 477.4042 477.5274 477.6505 477.7735 477.8966 478.0197 478.1427 478.2657 478.3887 478.5117 478.6347 478.7576 478.8806 479.0035 479.1264 479.2493 479.3721 479.4950 479.6178 479.7407 479.8635 479.9862 480.1090 480.2318 480.3545 480.4772 480.5999 480.7226 480.8453 480.9679 481.0906 481.2132 481.3358 481.4584 481.5810 481.7035 481.8260 481.9486 482.0711 482.1936 482.3160 482.4385 482.5609 482.6833 482.8057 482.9281 483.0505 483.1728 483.2952 483.4175 483.5398 483.6621 483.7844 483.9066 484.0288 484.1511 484.2733 484.3954 484.5176 484.6398 484.7619 484.8840 485.0061 485.1282 485.2503 485.3723 485.4944 485.6164 485.7384 485.8604 485.9823 486.1043 486.2262 486.3481 486.4700 486.5919 486.7138 486.8356 486.9574 487.0792 487.2010 487.3228 487.4446 487.5663 487.6881 487.8098 487.9315 488.0532 488.1748 488.2965 488.4181 488.5397 488.6613 488.7829 488.9044 489.0260 489.1475 489.2690 489.3905 489.5120 489.6334 489.7549 489.8763 489.9977 --------------------------------------------------------------------------------------- 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 ---------------------------------------------------------------------------------------