File name: Pandora185s1_EastProvidenceRI_20211210_L2Fit_fout2c4d20210421p1-8.txt File generation date: 20260323T215533.7Z Data description: Level 2 spectral fitting results file Data file version: fout2c4p1-8 Local principal investigator: Lukas Valin Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 185 Spectrometer number: 1 Processing software version used: BlickP v1.8.88 Instrument operation file used: Pandora185_OF_v1d20200108.txt Instrument calibration file used: Pandora185s1_CF_v4d20210421.txt Level 1 file used: Pandora185s1_EastProvidenceRI_20211210_L1_smca1c4d20210421p1-8.txt.bz2 Full location name: FRANCIS SCHOOL East Providence Short location name: EastProvidenceRI Country of location: United States Location latitude [deg]: 41.8410 Location longitude [deg]: -71.3610 Location altitude [m]: 15 Local noon date: 20211210 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: 1-8 data preparation fieldcal ref day 20220917 First and last pixel inside fitting window: 193 334 Nominal wavelengths inside fitting window [nm]: 305.1280 305.2694 305.4108 305.5521 305.6935 305.8348 305.9761 306.1174 306.2587 306.4000 306.5413 306.6826 306.8238 306.9651 307.1063 307.2476 307.3888 307.5300 307.6712 307.8123 307.9535 308.0947 308.2358 308.3770 308.5181 308.6592 308.8003 308.9414 309.0825 309.2235 309.3646 309.5056 309.6467 309.7877 309.9287 310.0697 310.2107 310.3517 310.4927 310.6336 310.7746 310.9155 311.0564 311.1973 311.3382 311.4791 311.6200 311.7609 311.9017 312.0426 312.1834 312.3242 312.4651 312.6059 312.7466 312.8874 313.0282 313.1689 313.3097 313.4504 313.5911 313.7319 313.8726 314.0132 314.1539 314.2946 314.4352 314.5759 314.7165 314.8571 314.9977 315.1383 315.2789 315.4195 315.5601 315.7006 315.8412 315.9817 316.1222 316.2627 316.4032 316.5437 316.6842 316.8246 316.9651 317.1055 317.2460 317.3864 317.5268 317.6672 317.8076 317.9479 318.0883 318.2287 318.3690 318.5093 318.6496 318.7899 318.9302 319.0705 319.2108 319.3510 319.4913 319.6315 319.7718 319.9120 320.0522 320.1924 320.3325 320.4727 320.6129 320.7530 320.8931 321.0333 321.1734 321.3135 321.4536 321.5936 321.7337 321.8738 322.0138 322.1538 322.2939 322.4339 322.5739 322.7139 322.8538 322.9938 323.1337 323.2737 323.4136 323.5535 323.6934 323.8333 323.9732 324.1131 324.2530 324.3928 324.5326 324.6725 324.8123 324.9521 --------------------------------------------------------------------------------------- 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 100-241: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting Columns 242-383: 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 20211210T202108.1Z 8014.848011 345 1 31.03 2 82.74 230.02 62.26 139.00 0.00 1 0.00 1 0 25 6.686e-01 6.536e-02 4.215e-01 5.023e-02 6.838912e-01 2.892677e-02 8.014169e-03 -6.000000e+00 3.935199e-01 222.68 -2.00 3.53 -2.00 321.54 0.00e+00 1.648159e-02 1.304256e-02 7.346730e-04 -6.000000e+00 2.171986e-02 276.91 -2.00 20.00 -2.00 321.00 0.00e+00 7.303 0.007 302.00 328.00 3 2.9140e+00 9.6781e-02 8.2370e-02 -6.0000e+00 9.7027e-01 1.3255e+00 1.1574e-01 4.6365e-02 -6.0000e+00 1.0665e+00 -1.5217e+00 7.5684e-02 1.8376e-02 -6.0000e+00 6.3205e-01 5.7665e-01 3.8386e-02 1.4506e-02 -6.0000e+00 2.7897e-01 8.3850e-06 1.5235e-03 1.6070e-03 1.8653e-04 -6.0000e+00 2.0628e-02 -1.0793e-03 0.0000e+00 12 8 8 10 0 0 97.17 23.15 1.31 -0.00108 0.01037 8 8 1 5 0 3877.660 26.94 20.00 23.15 17.45 8.4 999.13 900000 900000 900000 900000 900000 -38544 -80113 16319 900000 16851 -5996 900000 900000 -64357 45440 38887 900000 145023 350349 44897 104222 54206 900000 900000 -3216 900000 22565 127370 -37690 305641 900000 900000 900000 58295 -46968 29509 900000 -6799 900000 76788 137140 32779 50230 290 289257 900000 37584 56558 80523 99022 900000 53194 73481 124866 61922 45567 7905 136411 11509 110075 -3430 -5781 42978 12270 54343 81804 57700 4494 55419 19009 -4038 2636 59173 11627 -20150 25770 -16801 -2641 64724 -19428 -10773 -16081 1249 2791 -3354 3536 -7773 4022 -20466 16160 -4951 21338 -11457 3583 -1544 4931 -5450 -2610 6364 -11032 7727 -238 5175 -12567 8134 -11091 -1336 -4535 12082 3936 -702 4735 19 -489 1467 -6153 -6332 -1676 -2554 4463 -3156 593 5809 3732 6264 4906 38 3078 4288 -406 4643 -1363 -2919 430 -4 1178 3710 -3260 3563 -2000 -2179 -3446 900000 900000 900000 900000 900000 -4050 -11724 929 900000 822 -366 900000 900000 -12820 3510 3478 900000 7075 17091 3650 5084 3305 900000 900000 -288 900000 1376 6213 -4137 14910 900000 900000 900000 3878 -8123 2356 900000 -935 900000 5449 6690 3780 4901 46 14111 900000 4167 5267 6071 6587 900000 6369 7495 7753 7140 6062 1472 6654 1889 6834 -715 -1384 7052 2884 8194 9070 8188 1156 9585 5142 -1415 842 10969 3120 -6586 4903 -4918 -747 11051 -9004 -5203 -8943 615 1429 -1931 1983 -5005 2295 -14377 7332 -2584 8223 -6315 1905 -1009 3536 -4998 -2546 5713 -11086 5805 -176 3610 -11157 6230 -10929 -1291 -4999 12730 5012 -996 6421 26 -646 1840 -8435 -9143 -2453 -3912 6314 -4649 812 7311 4624 7334 5720 50 4400 6861 -751 8742 -2879 -6665 1014 -11 2948 9175 -8571 8361 -4653 -4782 -7464