File name: Pandora207s1_ArlingtonTX_20230301_L2Fit_fout2c4d20221007p1-8.txt File generation date: 20240213T001055.9Z Data description: Level 2 spectral fitting results file Data file version: fout2c4p1-8 Local principal investigator: Yang Li Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 207 Spectrometer number: 1 Processing software version used: BlickP v1.8.59 Instrument operation file used: Pandora207_OF_v5d20210722.txt Instrument calibration file used: Pandora207s1_CF_v4d20221007.txt Level 1 file used: Pandora207s1_ArlingtonTX_20230301_L1_smca1c4d20221007p1-8.txt Full location name: University Of Texas, Arlington Science Hall Short location name: ArlingtonTX Country of location: United States Location latitude [deg]: 32.7316 Location longitude [deg]: -97.1142 Location altitude [m]: 15 Local noon date: 20230301 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: None First and last pixel inside fitting window: 200 341 Nominal wavelengths inside fitting window [nm]: 305.0705 305.2120 305.3535 305.4950 305.6365 305.7780 305.9194 306.0609 306.2023 306.3438 306.4852 306.6266 306.7680 306.9093 307.0507 307.1920 307.3334 307.4747 307.6160 307.7573 307.8986 308.0399 308.1811 308.3224 308.4636 308.6049 308.7461 308.8873 309.0285 309.1696 309.3108 309.4520 309.5931 309.7342 309.8753 310.0164 310.1575 310.2986 310.4397 310.5807 310.7218 310.8628 311.0038 311.1448 311.2858 311.4268 311.5678 311.7087 311.8497 311.9906 312.1315 312.2724 312.4133 312.5542 312.6951 312.8359 312.9768 313.1176 313.2584 313.3992 313.5400 313.6808 313.8216 313.9623 314.1031 314.2438 314.3845 314.5252 314.6659 314.8066 314.9473 315.0879 315.2286 315.3692 315.5098 315.6505 315.7910 315.9316 316.0722 316.2128 316.3533 316.4938 316.6344 316.7749 316.9154 317.0558 317.1963 317.3368 317.4772 317.6177 317.7581 317.8985 318.0389 318.1793 318.3196 318.4600 318.6003 318.7407 318.8810 319.0213 319.1616 319.3019 319.4421 319.5824 319.7226 319.8628 320.0031 320.1433 320.2835 320.4236 320.5638 320.7040 320.8441 320.9842 321.1243 321.2644 321.4045 321.5446 321.6847 321.8247 321.9647 322.1048 322.2448 322.3848 322.5247 322.6647 322.8047 322.9446 323.0846 323.2245 323.3644 323.5043 323.6442 323.7840 323.9239 324.0637 324.2036 324.3434 324.4832 324.6230 324.7628 324.9025 --------------------------------------------------------------------------------------- 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: Spectrometer control temperature [°C], 999=no temperature signal Column 95: Auxiliary spectrometer temperature [°C], 999=no temperature signal Column 96: Temperature in head sensor [°C], 999=no temperature signal Column 97: Temperature at electronics board 1 [°C], 999=no temperature signal Column 98: Temperature at electronics board 2 [°C], 999=no temperature signal Column 99: Humidity in head sensor [%], -9=no humidity signal Column 100: Pressure in head sensor [hPa], -9=no pressure signal Columns 101-242: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting Columns 243-384: 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 20230301T145039.9Z 8460.618517 160 1 2.11 2 67.87 115.44 119.86 8.02 0.00 1 0.00 1 0 17 1.654e-02 6.516e-03 1.177e-02 4.260e-03 2.718234e-01 2.464271e-03 3.116030e-03 -6.000000e+00 1.115353e-02 226.11 -2.00 3.32 -2.00 317.01 0.00e+00 4.613103e-04 3.117714e-04 5.611688e-05 -6.000000e+00 4.569275e-04 282.87 -2.00 20.00 -2.00 316.70 0.00e+00 2.632 0.000 302.00 328.00 3 2.2098e+00 6.4271e-03 2.9267e-02 -6.0000e+00 2.7740e-02 2.3547e-02 7.1507e-03 1.3238e-02 -6.0000e+00 3.0095e-02 -2.0271e-02 4.2147e-03 6.5234e-03 -6.0000e+00 1.7720e-02 6.8029e-03 1.9336e-03 1.8621e-03 -6.0000e+00 7.0935e-03 3.1239e-03 -1.7741e-03 1.7134e-04 3.3635e-05 -6.0000e+00 6.7855e-04 -8.8155e-03 -3.9280e-04 12 9 1 12 1 1 -9988.09 21.31 0.21 -0.00882 -0.02215 3 29 4 8 0 393.250 14.99 21.31 22.89 21.88 21.69 12.9 1009.72 -5807 -3193 -4320 1325 -6286 -1744 2778 -7358 -1344 -4913 -1915 -5623 245 -2008 3333 1451 1797 2359 640 3739 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-109 603 -757 -171 -543 -1090 437 -55 -274 34 131 56 426 443 381 589 820 -11 -562 -517 346 1426 1272 513 -445 1131 181 611 23 72 -31 212 -836 -433 -61 131 -894 91 -710 SS 20230301T174643.0Z 8460.740775 226 1 14.80 2 42.23 159.82 103.78 44.41 0.00 1 0.00 1 0 17 6.834e-03 5.715e-03 1.904e-03 1.333e-03 1.429904e-01 7.894054e-04 1.666260e-03 -6.000000e+00 4.611483e-03 226.12 -2.00 3.32 -2.00 314.80 0.00e+00 2.536476e-04 6.197440e-05 1.432478e-05 -6.000000e+00 1.888175e-04 282.88 -2.00 20.00 -2.00 314.54 0.00e+00 1.349 0.000 302.00 328.00 3 3.7570e+00 2.0183e-03 1.5082e-02 -6.0000e+00 1.1470e-02 1.7704e-02 2.2284e-03 6.9487e-03 -6.0000e+00 1.2440e-02 -4.0271e-03 1.2697e-03 3.4204e-03 -6.0000e+00 7.3253e-03 -2.0505e-03 5.2298e-04 9.6943e-04 -6.0000e+00 2.9336e-03 2.9254e-03 -2.7395e-04 5.3790e-05 2.0074e-05 -6.0000e+00 2.8031e-04 -5.0192e-03 -6.2194e-05 12 1 1 12 1 1 99.53 21.28 0.42 -0.00502 -0.00708 16 13 1 8 0 860.170 15.00 21.28 27.37 21.88 21.69 13.5 1045.16 -1014 -850 64 -480 -698 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-262 -160 360 -75 -35 248 18 232 1090 980 185 650 298 -412 -516 -603 -1384 -75 391 -442 -321 -286 -100 -234 376 85 51 -342 -487 50 186 321 224 695 -208 -369 474 300 659 1091 393 427 1020 407 294 160 -144 -419 762 -372 -576 -194 -94 -791 -376 -325 SS 20230301T175220.0Z 8460.744676 228 1 48.54 2 41.84 161.82 102.97 45.33 0.00 1 0.00 1 0 17 6.662e-03 5.348e-03 1.547e-03 9.467e-04 1.413517e-01 5.505408e-04 1.645370e-03 -6.000000e+00 4.495331e-03 226.12 -2.00 3.32 -2.00 315.53 0.00e+00 3.404138e-04 4.940187e-05 1.660961e-05 -6.000000e+00 1.840672e-04 282.88 -2.00 20.00 -2.00 315.24 0.00e+00 1.341 0.000 302.00 328.00 3 3.8470e+00 1.4152e-03 1.4977e-02 -6.0000e+00 1.1181e-02 1.6315e-02 1.5696e-03 6.8819e-03 -6.0000e+00 1.2127e-02 -1.6972e-03 8.9235e-04 3.3863e-03 -6.0000e+00 7.1409e-03 -2.9438e-03 3.7543e-04 9.5838e-04 -6.0000e+00 2.8596e-03 2.7023e-03 -3.5210e-04 3.8255e-05 1.8818e-05 -6.0000e+00 2.7326e-04 -4.7850e-03 -6.4907e-05 10 0 0 10 0 0 99.99 21.28 0.56 -0.00478 -0.00743 92 22 1 8 0 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