File name: Pandora65s1_Altzomoni_20200117_L2Fit_fout2c3d20191005p1-8.txt
File generation date: 20260113T080503.5Z
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: 65
Spectrometer number: 1
Processing software version used: BlickP v1.8.75
Instrument operation file used: Pandora65_OF_v2d20180919.txt
Instrument calibration file used: Pandora65s1_CF_v3d20191005.txt
Level 1 file used: Pandora65s1_Altzomoni_20200117_L1_smca1c3d20191005p1-8.txt
Full location name: Observatorio Atmosferico Altzomoni, UNAM
Short location name: Altzomoni
Country of location: Mexico
Location latitude [deg]: 19.1187
Location longitude [deg]: -98.6552
Location altitude [m]: 3985
Local noon date: 20200117
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: 277 419
Nominal wavelengths inside fitting window [nm]: 305.0806 305.2214 305.3623 305.5031 305.6439 305.7848 305.9255 306.0663 306.2071 306.3479 306.4886 306.6293 306.7700 306.9107 307.0514 307.1921 307.3328 307.4734 307.6141 307.7547 307.8953 308.0359 308.1765 308.3171 308.4576 308.5982 308.7387 308.8792 309.0198 309.1603 309.3007 309.4412 309.5817 309.7221 309.8625 310.0030 310.1434 310.2838 310.4241 310.5645 310.7049 310.8452 310.9855 311.1259 311.2662 311.4064 311.5467 311.6870 311.8272 311.9675 312.1077 312.2479 312.3881 312.5283 312.6685 312.8086 312.9488 313.0889 313.2290 313.3691 313.5092 313.6493 313.7893 313.9294 314.0694 314.2095 314.3495 314.4895 314.6295 314.7694 314.9094 315.0493 315.1893 315.3292 315.4691 315.6090 315.7489 315.8888 316.0286 316.1684 316.3083 316.4481 316.5879 316.7277 316.8675 317.0072 317.1470 317.2867 317.4264 317.5661 317.7058 317.8455 317.9852 318.1248 318.2645 318.4041 318.5437 318.6833 318.8229 318.9625 319.1021 319.2416 319.3811 319.5207 319.6602 319.7997 319.9391 320.0786 320.2181 320.3575 320.4969 320.6364 320.7758 320.9152 321.0545 321.1939 321.3332 321.4726 321.6119 321.7512 321.8905 322.0298 322.1691 322.3083 322.4476 322.5868 322.7260 322.8652 323.0044 323.1436 323.2828 323.4219 323.5611 323.7002 323.8393 323.9784 324.1175 324.2566 324.3956 324.5347 324.6737 324.8127 324.9517
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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: 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
Columns 97-239: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting
Columns 240-382: 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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SU 20200117T132706.0Z 7321.560486 216 1 49.94 2 87.32 113.08 28.31 207.63 0.00 1 0.00 1 0 25 7.659e-01 4.268e-02 5.357e-01 3.796e-02 1.080400e+00 2.312464e-02 1.000373e-02 -6.000000e+00 4.446494e-01 222.35 -2.00 3.11 -2.00 322.61 0.00e+00 -6.657681e-03 1.021122e-02 1.374812e-03 -6.000000e+00 2.101411e-02 270.28 -2.00 20.00 -2.00 322.23 0.00e+00 14.670 0.013 302.00 328.00 3 2.3336e-01 7.9353e-02 1.0323e-01 -6.0000e+00 1.1043e+00 1.8026e+00 9.2798e-02 4.8450e-02 -6.0000e+00 1.2153e+00 -2.2917e+00 7.2731e-02 2.5871e-02 -6.0000e+00 7.1343e-01 8.8513e-01 4.1536e-02 8.9424e-03 -6.0000e+00 2.9886e-01 1.5676e-05 -2.3285e-03 1.1138e-03 1.5715e-04 -6.0000e+00 2.3423e-02 1.1567e-02 0.0000e+00 12 8 8 10 0 0 -38.83 20.02 1.06 0.01157 -0.00593 54 11 1 5 0 924.690 24.14 19.99 20.02 71618 900000 134071 900000 -93047 124967 -62232 900000 -64551 -71391 900000 57575 900000 -25824 63198 -43954 900000 -55096 900000 1292 900000 -40546 96916 28951 129691 900000 23 26365 256576 -3872 -99538 900000 371667 209999 -3662 83423 359143 41609 900000 2619 214215 11365 900000 -2431 39744 24793 -29242 9109 -5586 11843 900000 169122 225367 127203 25147 148546 -25766 142779 -3903 22382 -4321 10255 17563 67256 81281 48251 71480 -9198 35443 -15694 46700 31602 52181 17627 15414 17770 35609 48681 8076 26912 -15543 7697 2017 -5988 637 16499 2825 1639 16599 1200 4149 -10834 14009 -5409 -9062 -10631 -28 -5986 -507 -713 3449 775 -5759 332 -8251 6545 -8164 2120 -6575 6850 -2256 -1079 2113 2388 -19 -8700 2220 -6282 1439 -865 795 743 2033 2300 8831 1181 668 3224 -2282 741 -943 2120 -767 2916 -682 384 141 873 597 -760 -74 -2465 -1274 2644 900000 4950 900000 -7183 4614 -3133 900000 -3467 -4074 900000 2126 900000 -1358 2333 -3442 900000 -5149 900000 61 900000 -2386 3578 1069 4788 900000 1 973 9473 -143 -10221 900000 13723 7754 -166 3080 13260 1536 900000 168 7909 731 900000 -165 1657 1152 -2299 499 -373 719 900000 6244 8321 4697 2007 5485 -3498 5272 -367 1543 -371 846 1535 4056 4502 3741 4575 -1369 3757 -3140 5395 4291 5651 2351 1897 1881 3024 3894 1143 3842 -3924 1797 553 -1890 200 4618 929 549 4705 377 1181 -3458 3707 -1868 -3842 -5508 -16 -4156 -365 -515 2247 465 -3293 175 -4992 3609 -5620 1467 -5701 6118 -2572 -1347 2678 3040 -24 -11968 2795 -9008 1995 -1241 1080 954 2470 2690 9392 1335 763 3936 -3484 1292 -1914 4508 -1826 7244 -1892 1104 415 2562 1721 -2077 -192 -6011 -2935