File name: Pandora207s1_ArlingtonTX_20240101_L2Fit_fout2c9d20231201p1-8.txt
File generation date: 20240823T135957.4Z
Data description: Level 2 spectral fitting results file
Data file version: fout2c9p1-8
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_v9d20231201.txt
Level 1 file used: Pandora207s1_ArlingtonTX_20240101_L1_smca1c9d20231201p1-8.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: 20240101
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: Modification of session 6 with winter reference, but for new validity period for winter 2023-2024.
First and last pixel inside fitting window: 200 341
Nominal wavelengths inside fitting window [nm]: 305.0775 305.2189 305.3602 305.5015 305.6428 305.7841 305.9254 306.0666 306.2079 306.3491 306.4904 306.6316 306.7728 306.9140 307.0552 307.1964 307.3375 307.4787 307.6198 307.7609 307.9021 308.0432 308.1843 308.3254 308.4664 308.6075 308.7485 308.8896 309.0306 309.1716 309.3126 309.4536 309.5946 309.7356 309.8765 310.0175 310.1584 310.2993 310.4403 310.5812 310.7220 310.8629 311.0038 311.1446 311.2855 311.4263 311.5671 311.7080 311.8488 311.9895 312.1303 312.2711 312.4118 312.5526 312.6933 312.8340 312.9747 313.1154 313.2561 313.3968 313.5375 313.6781 313.8188 313.9594 314.1000 314.2406 314.3812 314.5218 314.6624 314.8029 314.9435 315.0840 315.2245 315.3651 315.5056 315.6461 315.7865 315.9270 316.0675 316.2079 316.3484 316.4888 316.6292 316.7696 316.9100 317.0504 317.1907 317.3311 317.4714 317.6118 317.7521 317.8924 318.0327 318.1730 318.3133 318.4535 318.5938 318.7340 318.8743 319.0145 319.1547 319.2949 319.4351 319.5753 319.7154 319.8556 319.9957 320.1358 320.2760 320.4161 320.5562 320.6962 320.8363 320.9764 321.1164 321.2565 321.3965 321.5365 321.6765 321.8165 321.9565 322.0965 322.2364 322.3764 322.5163 322.6562 322.7962 322.9361 323.0759 323.2158 323.3557 323.4956 323.6354 323.7752 323.9151 324.0549 324.1947 324.3345 324.4742 324.6140 324.7538 324.8935
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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
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SS 20240101T231149.0Z 8766.966539 477 1 40.01 2 86.88 240.01 140.26 3.65 0.00 1 0.00 1 0 59 9.764e-01 6.816e-01 8.404e-01 6.500e-01 -9.342593e-01 5.076902e-01 3.273534e-02 -6.000000e+00 8.343082e-01 224.22 -2.00 3.32 -2.00 310.94 0.00e+00 -5.973539e-02 2.945174e-02 2.709238e-03 -6.000000e+00 4.130103e-02 283.12 -2.00 20.00 -2.00 310.87 0.00e+00 13.260 0.033 302.00 328.00 3 2.7791e+00 1.2628e+00 1.5088e-01 -6.0000e+00 2.0476e+00 -1.5721e+00 1.3751e+00 7.1627e-02 -6.0000e+00 2.1948e+00 1.7396e+00 8.3337e-01 4.7852e-02 -6.0000e+00 1.3193e+00 -4.8756e-01 3.3048e-01 1.9379e-02 -6.0000e+00 5.5750e-01 2.3740e-07 7.4907e-02 1.0753e-02 9.8057e-04 -6.0000e+00 5.4035e-02 7.7992e-02 0.0000e+00 12 12 8 10 0 0 97.80 20.32 30.60 0.07799 0.64088 10 3 4 8 0 4000.000 15.00 20.32 15.42 21.06 21.06 18.3 912.76 28921 900000 -16173 900000 52283 900000 900000 64891 900000 -2771 900000 -19936 900000 50630 900000 900000 67289 -41508 200181 -36988 121309 900000 -19237 900000 -22523 900000 900000 47844 900000 -94359 48248 244980 130171 -700 900000 900000 900000 109225 900000 59839 -11364 33159 2490 900000 900000 900000 900000 900000 19542 900000 900000 -5409 900000 900000 900000 900000 900000 900000 900000 161529 -31710 900000 -36799 900000 20318 900000 900000 900000 900000 900000 86525 12227 900000 37647 52894 121592 900000 40051 900000 128951 -24752 900000 -15080 900000 -21907 900000 237095 900000 900000 900000 900000 -45320 900000 -55162 900000 -29324 900000 25587 900000 297035 900000 -54799 38197 34901 92019 223093 75089 900000 80422 28649 171799 -23618 51642 -31789 900000 10240 900000 -34954 900000 1280 900000 160254 123041 5047 -67264 130317 -68822 -15060 165305 900000 900000 251121 26941 -41572 19763 16802 69650 -23727 900000 14900 900000 1265 17947 900000 -18528 900000 54905 900000 900000 46463 900000 -2249 900000 -14433 900000 31419 900000 900000 41756 -55809 124223 -78422 75278 900000 -39791 900000 -29118 900000 900000 29690 900000 -112230 29940 152023 80778 -688 900000 900000 900000 67780 900000 46416 -16454 27436 2669 900000 900000 900000 900000 900000 14332 900000 900000 -6713 900000 900000 900000 900000 900000 900000 900000 100237 -42933 900000 -41519 900000 13754 900000 900000 900000 900000 900000 53693 11726 900000 23362 32824 75454 900000 24854 900000 80021 -36305 900000 -23820 900000 -38311 900000 147130 900000 900000 900000 900000 -53690 900000 -71574 900000 -29777 900000 17321 900000 184326 900000 -117474 32322 29533 57102 138441 46597 900000 49906 17778 106610 -20519 32046 -35508 900000 9532 900000 -56397 900000 1350 900000 99446 76353 3758 -96005 80868 -89687 -11215 102580 900000 900000 155834 16719 -54175 14717 13555 43221 -30920 900000 13870 900000 1414