File name: Pandora34s1_MountainViewCA_20230605_L2Fit_fout2c3d20230605p1-8.txt File generation date: 20240822T093902.7Z Data description: Level 2 spectral fitting results file Data file version: fout2c3p1-8 Local principal investigator: Nader Abuhassan Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 34 Spectrometer number: 1 Processing software version used: BlickP v1.8.59 Instrument operation file used: Pandora34_OF_v3d20191105.txt Instrument calibration file used: Pandora34s1_CF_v3d20230605.txt Level 1 file used: Pandora34s1_MountainViewCA_20230605_L1_smca1c3d20230605p1-8.txt Full location name: Ames Research Center Short location name: MountainViewCA Country of location: United States Location latitude [deg]: 37.4200 Location longitude [deg]: -122.0568 Location altitude [m]: 50 Local noon date: 20230605 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: based on session 2 for P from 20230605 First and last pixel inside fitting window: 254 396 Nominal wavelengths inside fitting window [nm]: 305.0382 305.1786 305.3190 305.4595 305.5999 305.7402 305.8806 306.0210 306.1613 306.3017 306.4420 306.5823 306.7227 306.8630 307.0032 307.1435 307.2838 307.4241 307.5643 307.7045 307.8448 307.9850 308.1252 308.2654 308.4056 308.5457 308.6859 308.8260 308.9662 309.1063 309.2464 309.3865 309.5266 309.6667 309.8068 309.9468 310.0869 310.2269 310.3670 310.5070 310.6470 310.7870 310.9270 311.0669 311.2069 311.3468 311.4868 311.6267 311.7666 311.9065 312.0464 312.1863 312.3262 312.4660 312.6059 312.7457 312.8856 313.0254 313.1652 313.3050 313.4448 313.5845 313.7243 313.8641 314.0038 314.1435 314.2832 314.4230 314.5626 314.7023 314.8420 314.9817 315.1213 315.2610 315.4006 315.5402 315.6798 315.8194 315.9590 316.0985 316.2381 316.3777 316.5172 316.6567 316.7962 316.9357 317.0752 317.2147 317.3542 317.4936 317.6331 317.7725 317.9119 318.0514 318.1908 318.3301 318.4695 318.6089 318.7482 318.8876 319.0269 319.1662 319.3055 319.4448 319.5841 319.7234 319.8627 320.0019 320.1412 320.2804 320.4196 320.5588 320.6980 320.8372 320.9764 321.1155 321.2547 321.3938 321.5329 321.6720 321.8111 321.9502 322.0893 322.2284 322.3674 322.5065 322.6455 322.7845 322.9235 323.0625 323.2015 323.3405 323.4795 323.6184 323.7574 323.8963 324.0352 324.1741 324.3130 324.4519 324.5907 324.7296 324.8685 --------------------------------------------------------------------------------------- Column 1: Two letter code of measurement routine Column 2: UT date and time for center-time of measurement, yyyymmddThhmmssZ (ISO 8601) Column 3: Fractional days since 1-Jan-2000 midnight for center-time of measurement Column 4: Routine count (1 for the first routine of the day, 2 for the second, etc.) Column 5: Repetition count (1 for the first set in the routine, 2 for the second, etc.) Column 6: Total duration of measurement set in seconds Column 7: Data processing type index Column 8: Solar zenith angle for center-time of measurement in degree Column 9: Solar azimuth for center-time of measurement in degree, 0=north, increases clockwise Column 10: Lunar zenith angle for center-time of measurement in degree Column 11: Lunar azimuth for center-time of measurement in degree, 0=north, increases clockwise Column 12: Pointing zenith angle in degree, absolute or relative (see next column), 999=tracker not used Column 13: Zenith pointing mode: zenith angle is... 0=absolute, 1=relative to sun, 2=relative to moon Column 14: Pointing azimuth in degree, increases clockwise, absolute (0=north) or relative (see next column), 999=tracker not used Column 15: Azimuth pointing mode: like zenith angle mode but also fixed scattering angles relative to sun (3) or moon (4) Column 16: Fitting result index: 0=no error or warning, 1, 2=warning, >2=error Column 17: Number of function evaluations used, 0=linear fitting or fitting not successful or no fitting done Column 18: rms of unweighted fitting residuals, -9=fitting not successful Column 19: Normalized rms of fitting residuals weighted with independent uncertainty, -9=fitting not successful or no uncertainty used Column 20: Expected rms based on independent uncertainty, -9=fitting not successful or no uncertainty given Column 21: Expected normalized weighted rms based on independent uncertainty, -9=fitting not successful or no uncertainty given Column 22: Ozone slant column amount [moles per square meter], -9e99=fitting not successful Column 23: Independent uncertainty of ozone slant column amount [moles per square meter], -1=cross section is zero in this wavelength range, -3=spectral fitting was done, but no independent uncertainty could be retrieved, -5=no independent uncertainty input was given, -9=spectral fitting not successful Column 24: Structured uncertainty of ozone slant column amount [moles per square meter], -7=not given since method "MEAS" was chosen, -9=spectral fitting not successful Column 25: Common uncertainty of ozone slant column amount [moles per square meter], -1=cross section is zero in this wavelength range, -6=no common uncertainty input was given, -7=not given since method "MEAS" was chosen, -9=spectral fitting not successful Column 26: rms-based uncertainty of ozone slant column amount [moles per square meter], -1=cross section is zero in this wavelength range, -3=spectral fitting was done, but no rms-based uncertainty could be retrieved, -9=spectral fitting not successful Column 27: Ozone effective temperature [K] Column 28: Independent uncertainty of ozone effective temperature [K], -1=temperature fitting was requested, but cross section is zero in this wavelength range, -2=no temperature fitting was requested and output for effective temperature and structured uncertainty of it is based on f-code, -3=spectral fitting was done, but no independent uncertainty could be retrieved, -4=temperature fitting was requested, but differential optical depth is too small to retrieve the temperature, -5=no independent uncertainty input was given, -9=spectral fitting not successful Column 29: Structured uncertainty of ozone effective temperature [K], -1=temperature fitting was requested, but cross section is zero in this wavelength range, -4=temperature fitting was requested, but differential optical depth is too small to retrieve the temperature, -9=spectral fitting not successful Column 30: Common uncertainty of ozone effective temperature [K], -1=temperature fitting was requested, but cross section is zero in this wavelength range, -2=no temperature fitting was requested and output for effective temperature and structured uncertainty of it is based on f-code, -3=spectral fitting was done, but no common uncertainty could be retrieved, -4=temperature fitting was requested, but differential optical depth is too small to retrieve the temperature, -6=no common uncertainty input was given, -9=spectral fitting not successful Column 31: Effective ozone fitting wavelength [nm], -9=fitting not successful Column 32: Diffuse correction applied before fitting at effective fitting wavelength for ozone [%], 0=no diffuse correction applied or fitting not requested, >0=measured diffuse correction, <0=(negative value of) calculated diffuse correction Column 33: Sulfur dioxide slant column amount [moles per square meter], -9e99=fitting not successful Column 34: Independent uncertainty of sulfur dioxide slant column amount [moles per square meter], -1=cross section is zero in this wavelength range, -3=spectral fitting was done, but no independent uncertainty could be retrieved, -5=no independent uncertainty input was given, -9=spectral fitting not successful Column 35: Structured uncertainty of sulfur dioxide slant column amount [moles per square meter], -7=not given since method "MEAS" was chosen, -9=spectral fitting not successful Column 36: Common uncertainty of sulfur dioxide slant column amount [moles per square meter], -1=cross section is zero in this wavelength range, -6=no common uncertainty input was given, -7=not given since method "MEAS" was chosen, -9=spectral fitting not successful Column 37: rms-based uncertainty of sulfur dioxide slant column amount [moles per square meter], -1=cross section is zero in this wavelength range, -3=spectral fitting was done, but no rms-based uncertainty could be retrieved, -9=spectral fitting not successful Column 38: Sulfur dioxide effective temperature [K] Column 39: Independent uncertainty of sulfur dioxide effective temperature [K], -1=temperature fitting was requested, but cross section is zero in this wavelength range, -2=no temperature fitting was requested and output for effective temperature and structured uncertainty of it is based on f-code, -3=spectral fitting was done, but no independent uncertainty could be retrieved, -4=temperature fitting was requested, but differential optical depth is too small to retrieve the temperature, -5=no independent uncertainty input was given, -9=spectral fitting not successful Column 40: Structured uncertainty of sulfur dioxide effective temperature [K], -1=temperature fitting was requested, but cross section is zero in this wavelength range, -4=temperature fitting was requested, but differential optical depth is too small to retrieve the temperature, -9=spectral fitting not successful Column 41: Common uncertainty of sulfur dioxide effective temperature [K], -1=temperature fitting was requested, but cross section is zero in this wavelength range, -2=no temperature fitting was requested and output for effective temperature and structured uncertainty of it is based on f-code, -3=spectral fitting was done, but no common uncertainty could be retrieved, -4=temperature fitting was requested, but differential optical depth is too small to retrieve the temperature, -6=no common uncertainty input was given, -9=spectral fitting not successful Column 42: Effective sulfur dioxide fitting wavelength [nm], -9=fitting not successful Column 43: Diffuse correction applied before fitting at effective fitting wavelength for sulfur dioxide [%], 0=no diffuse correction applied or fitting not requested, >0=measured diffuse correction, <0=(negative value of) calculated diffuse correction Column 44: Molecular scattering air mass factor used for molecular scattering subtraction before the fitting Column 45: Estimated uncertainty of molecular scattering air mass factor, -9=molecular scattering was not subtracted before the fitting Column 46: Lower limit used for wavelength scaling [nm] Column 47: Upper limit used for wavelength scaling [nm] Column 48: Order of smoothing polynomial Column 49: Smoothing polynomial coefficient, order 0 Column 50: Independent uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful Column 51: Structured uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful Column 52: Common uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful Column 53: rms-based uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful Column 54: Smoothing polynomial coefficient, order 1 Column 55: Independent uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful Column 56: Structured uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful Column 57: Common uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful Column 58: rms-based uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful Column 59: Smoothing polynomial coefficient, order 2 Column 60: Independent uncertainty of smoothing polynomial coefficient, order 2, -9=fitting not successful Column 61: Structured uncertainty of smoothing polynomial coefficient, order 2, -9=fitting not successful Column 62: Common uncertainty of smoothing polynomial coefficient, order 2, -9=fitting not successful Column 63: rms-based uncertainty of smoothing polynomial coefficient, order 2, -9=fitting not successful Column 64: Smoothing polynomial coefficient, order 3 Column 65: Independent uncertainty of smoothing polynomial coefficient, order 3, -9=fitting not successful Column 66: Structured uncertainty of smoothing polynomial coefficient, order 3, -9=fitting not successful Column 67: Common uncertainty of smoothing polynomial coefficient, order 3, -9=fitting not successful Column 68: rms-based uncertainty of smoothing polynomial coefficient, order 3, -9=fitting not successful Column 69: Mean value of measured data inside fitting window [same units as measurements] Column 70: Wavelength change polynomial coefficient, order 0 Column 71: Independent uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful Column 72: Structured uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful Column 73: Common uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful Column 74: rms-based uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful Column 75: L1 based wavelength change coefficient, order 0, -9=no L1 wavelength change determination Column 76: L1 based wavelength change coefficient, order 1, -9=no L1 wavelength change determination Column 77: L2Fit data quality flag: 0=assured high quality, 1=assured medium quality, 2=assured low quality, 10=not-assured high quality, 11=not-assured medium quality, 12=not-assured low quality Column 78: Sum over 2^i using those i, for which the corresponding L2Fit data quality parameter exceeds the DQ1 limit, 0=L1 data quality above 0, 1=Spectral fitting was not successful, 2=Wavelength shift too large, 3=Normalized rms of fitting residuals weighted with independent uncertainty too large Column 79: Sum over 2^i using those i, for which the corresponding L2Fit data quality parameter exceeds the DQ2 limit (same parameters as for DQ1) Column 80: L1 data quality flag: 0=assured high quality, 1=assured medium quality, 2=assured low quality, 10=not-assured high quality, 11=not-assured medium quality, 12=not-assured low quality Column 81: Sum over 2^i using those i, for which the corresponding L1 data quality parameter exceeds the DQ1 limit, 0=Saturated data, 1=Too few dark counts measurements, 2=No temperature given or effective temperature too different from the reference temperature, 3=Dark count too high, 4=Unsuccessful dark background fitting, 5=The dark count differs significantly from the dark map for too many pixels, 6=Absolute value of estimated average residual stray light level too high, 7=Although attempted, no wavelength change could be retrieved, 8=Absolute value of retrieved wavelength shift too large, 9=Retrieved wavelength shift differs too much from the shift predicted by the effective temperature Column 82: Sum over 2^i using those i, for which the corresponding L1 data quality parameter exceeds the DQ2 limit (same parameters as for DQ1) Column 83: Atmospheric variability [%], 999=no atmospheric variability was determined Column 84: Wavelength effective temperature [°C], 999=no effective temperature given Column 85: Estimated average residual stray light level [%] (only valid for stray light correction methods 2 and higher) Column 86: Retrieved wavelength shift from L1 data [nm], -9=no wavelength change determination Column 87: Retrieved total wavelength shift [nm], -9=no wavelength change fitting Column 88: Number of bright count cycles Column 89: Number of dark count cycles Column 90: Effective position of filterwheel #1, 0=filterwheel not used, 1-9 are valid positions Column 91: Effective position of filterwheel #2, 0=filterwheel not used, 1-9 are valid positions Column 92: Sum over 2^i, 0=spectra were interpolated in time, 1=spectra are corrected for off-target signal Column 93: Integration time [ms] Column 94: Temperature at electronics board [°C], 999=no temperature signal Column 95: Spectrometer control temperature [°C], 999=no temperature signal Column 96: Auxiliary spectrometer temperature [°C], 999=no temperature signal Column 97: Temperature in head sensor [°C], 999=no temperature signal Column 98: Humidity in head sensor [%], -9=no humidity signal Column 99: Pressure in head sensor [hPa], -9=no pressure signal Columns 100-242: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting Columns 243-385: Normalized slant column residuals weighted with independent instrumental uncertainty for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting, 0=no independent instrumental uncertainty was given --------------------------------------------------------------------------------------- SS 20230605T200427.6Z 8556.836430 61 1 51.10 2 14.85 177.90 156.93 286.54 0.00 1 0.00 1 0 17 6.842e-03 4.961e-03 1.977e-03 1.378e-03 1.689665e-01 7.503348e-04 2.001774e-03 -6.000000e+00 4.163712e-03 232.32 -2.00 3.44 -2.00 314.81 0.00e+00 3.281523e-04 6.183263e-05 1.666234e-05 -6.000000e+00 1.826278e-04 287.56 -2.00 20.00 -2.00 314.17 0.00e+00 1.034 0.000 302.00 328.00 3 6.0154e+00 1.9355e-03 1.3566e-02 -6.0000e+00 1.0436e-02 1.6497e-02 2.1315e-03 8.6278e-03 -6.0000e+00 1.1231e-02 -4.7732e-04 1.2193e-03 4.1893e-03 -6.0000e+00 6.6884e-03 -7.8098e-04 5.3222e-04 1.1663e-03 -6.0000e+00 2.8356e-03 3.8637e-04 -1.1810e-04 4.2240e-05 1.7117e-05 -6.0000e+00 2.0356e-04 9.9230e-04 0.0000e+00 11 1 0 11 32 0 83.68 22.97 0.46 0.00099 0.00010 17 3 1 5 0 3005.080 26.21 19.99 22.97 30.50 9.6 1063.07 1472 -61 -202 -1867 -3149 -1274 -1339 453 802 -669 921 -669 -606 230 1031 -116 -518 -360 -524 852 663 1648 221 255 505 -168 -418 -427 -155 -254 693 2098 651 111 1060 -938 -1644 -105 533 -584 -140 -502 -314 -244 -912 -1049 -690 -308 -393 -398 356 259 738 436 500 859 405 530 69 1483 899 1103 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8556.843068 64 1 51.22 2 14.92 186.50 158.63 289.28 0.00 1 0.00 1 0 17 6.502e-03 4.870e-03 1.815e-03 1.278e-03 1.677720e-01 6.973894e-04 1.984839e-03 -6.000000e+00 3.957084e-03 232.32 -2.00 3.44 -2.00 314.75 0.00e+00 2.914662e-04 5.679955e-05 1.747906e-05 -6.000000e+00 1.735643e-04 287.56 -2.00 20.00 -2.00 314.12 0.00e+00 1.035 0.000 302.00 328.00 3 5.8791e+00 1.7983e-03 1.3523e-02 -6.0000e+00 9.9185e-03 1.6961e-02 1.9791e-03 8.5592e-03 -6.0000e+00 1.0673e-02 2.9468e-04 1.1325e-03 4.1559e-03 -6.0000e+00 6.3564e-03 -8.6752e-04 4.9363e-04 1.1564e-03 -6.0000e+00 2.6949e-03 4.4374e-04 -1.3721e-04 3.9183e-05 1.6979e-05 -6.0000e+00 1.9346e-04 9.3687e-04 0.0000e+00 10 0 0 10 0 0 96.82 22.96 0.32 0.00094 -0.00009 20 4 1 5 0 2560.700 26.21 20.00 22.96 29.80 9.7 1058.37 533 -173 -354 -1301 -2953 -1585 -744 1031 206 -708 111 -758 -275 304 386 -106 -455 137 -373 751 1061 1083 296 528 963 442 -673 -376 -37 316 753 1942 454 519 1012 -897 -1886 115 213 -445 -117 -693 -716 -358 -821 -983 -358 -334 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-15 -517 -335 -104 -772 -373 SS 20230605T202030.6Z 8556.847576 68 1 51.52 2 15.13 192.22 159.77 291.33 0.00 1 0.00 1 0 17 7.651e-03 5.602e-03 2.236e-03 1.544e-03 1.723589e-01 8.407052e-04 2.039676e-03 -6.000000e+00 4.657055e-03 232.32 -2.00 3.44 -2.00 314.84 0.00e+00 2.340138e-04 6.982847e-05 1.825918e-05 -6.000000e+00 2.042529e-04 287.56 -2.00 20.00 -2.00 314.21 0.00e+00 1.036 0.000 302.00 328.00 3 6.2159e+00 2.1692e-03 1.3694e-02 -6.0000e+00 1.1673e-02 3.0629e-02 2.3886e-03 8.7935e-03 -6.0000e+00 1.2561e-02 -1.4237e-03 1.3665e-03 4.2725e-03 -6.0000e+00 7.4805e-03 -9.5894e-04 5.9752e-04 1.1826e-03 -6.0000e+00 3.1721e-03 3.1200e-04 -4.2693e-05 4.7371e-05 1.7369e-05 -6.0000e+00 2.2763e-04 -1.8672e-04 0.0000e+00 11 1 0 11 40 0 98.50 22.96 0.19 -0.00019 -0.00051 14 3 1 5 0 3678.980 26.21 19.99 22.96 29.84 9.8 1059.83 1707 752 626 -1026 -3445 -1096 -1361 1110 517 -450 498 -966 -1010 163 1018 142 -617 -796 -603 587 1357 1506 311 394 803 -578 -486 -801 -134 -202 1082 2059 356 236 -1526 -277 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