File name: Pandora232s1_Yongin_20230618_L2Fit_fout2c3d20221026p1-8.txt File generation date: 20250512T075124.4Z Data description: Level 2 spectral fitting results file Data file version: fout2c3p1-8 Local principal investigator: ---- Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 232 Spectrometer number: 1 Processing software version used: BlickP v1.8.75 Instrument operation file used: Pandora232_OF_v1d20220714.txt Instrument calibration file used: Pandora232s1_CF_v3d20221026.txt Level 1 file used: Pandora232s1_Yongin_20230618_L1_smca1c3d20221026p1-8.txt Full location name: Hankuk University of Foreign Studies Short location name: Yongin Country of location: South Korea Location latitude [deg]: 37.3380 Location longitude [deg]: 127.2650 Location altitude [m]: 122 Local noon date: 20230618 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: offical since 20250506 First and last pixel inside fitting window: 202 343 Nominal wavelengths inside fitting window [nm]: 305.1184 305.2595 305.4006 305.5417 305.6827 305.8237 305.9648 306.1058 306.2468 306.3878 306.5288 306.6697 306.8107 306.9516 307.0926 307.2335 307.3744 307.5153 307.6562 307.7971 307.9380 308.0788 308.2197 308.3605 308.5014 308.6422 308.7830 308.9238 309.0645 309.2053 309.3461 309.4868 309.6276 309.7683 309.9090 310.0497 310.1904 310.3311 310.4717 310.6124 310.7531 310.8937 311.0343 311.1749 311.3155 311.4561 311.5967 311.7373 311.8778 312.0184 312.1589 312.2994 312.4399 312.5804 312.7209 312.8614 313.0019 313.1423 313.2828 313.4232 313.5636 313.7041 313.8445 313.9848 314.1252 314.2656 314.4059 314.5463 314.6866 314.8269 314.9672 315.1075 315.2478 315.3881 315.5284 315.6686 315.8089 315.9491 316.0893 316.2295 316.3697 316.5099 316.6501 316.7902 316.9304 317.0705 317.2107 317.3508 317.4909 317.6310 317.7711 317.9111 318.0512 318.1912 318.3313 318.4713 318.6113 318.7513 318.8913 319.0313 319.1713 319.3112 319.4512 319.5911 319.7310 319.8709 320.0108 320.1507 320.2906 320.4305 320.5703 320.7102 320.8500 320.9898 321.1296 321.2694 321.4092 321.5490 321.6887 321.8285 321.9682 322.1080 322.2477 322.3874 322.5271 322.6668 322.8064 322.9461 323.0857 323.2254 323.3650 323.5046 323.6442 323.7838 323.9234 324.0629 324.2025 324.3420 324.4816 324.6211 324.7606 324.9001 --------------------------------------------------------------------------------------- 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 --------------------------------------------------------------------------------------- SU 20230618T080126.9Z 8569.334340 10368 1 29.67 2 58.55 276.83 55.87 280.33 0.00 1 0.00 1 0 56 9.445e-01 4.580e-01 5.227e-01 3.016e-01 4.328440e-01 1.811708e-01 6.455239e-03 -6.000000e+00 5.904361e-01 232.73 -2.00 3.44 -2.00 310.99 0.00e+00 8.015279e-03 9.131669e-03 1.853190e-04 -6.000000e+00 2.652743e-02 288.41 -2.00 20.00 -2.00 310.74 0.00e+00 1.909 0.000 302.00 328.00 3 1.0247e+01 4.5516e-01 3.0237e-02 -6.0000e+00 1.4822e+00 1.5118e+00 4.8407e-01 2.4763e-02 -6.0000e+00 1.5959e+00 -8.0205e-01 2.9432e-01 1.0504e-02 -6.0000e+00 9.5228e-01 3.5946e-01 1.2994e-01 1.8129e-03 -6.0000e+00 4.0138e-01 7.7758e-07 3.9081e-02 8.3261e-03 1.3292e-04 -6.0000e+00 2.8746e-02 9.5258e-02 0.0000e+00 12 8 8 10 0 0 20.10 24.16 -192.09 0.09526 0.38893 17 17 1 8 0 1744.680 20.00 24.16 45.36 26.51 26.62 5.7 1100.00 114446 58508 -22340 41832 -19567 69246 111899 9372 -29472 -12136 -1475 14501 130535 79638 900000 109212 89709 31704 12227 47037 56866 -16034 39362 900000 -8112 2963 17358 82347 -53529 104712 -67121 27764 107910 10760 35664 27024 900000 -5366 56213 190 105748 60519 124148 -35466 139340 11188 13487 319521 29104 130951 16248 216182 -36702 196630 25400 34804 -25041 14701 4196 19351 97949 44863 -17052 13749 37979 20983 -28119 36258 157453 900000 44154 900000 20437 -6133 32279 -3132 -17514 148759 192617 230225 32919 9810 900000 -21416 140461 14242 154543 58871 38794 46181 69242 27028 82109 112566 23825 73647 124630 56375 -548 62705 3229 -64093 28519 3871 900000 24133 97287 67061 138548 -26168 900000 387983 73618 22135 -16709 900000 -42473 59813 -16266 43094 6713 801 141395 -22523 111008 33556 -26569 -38005 900000 42382 98879 97224 123536 28561 137812 36354 9950 113295 -21914 900000 53877 368120 56836 42263 -32275 30218 -26060 37515 37889 8250 -39252 -15342 -1897 17676 53039 53931 900000 54237 52651 31489 13524 37959 40328 -22742 30802 900000 -8728 2681 13583 36248 -96869 40971 -142803 20369 34306 9473 27036 25112 900000 -7743 43989 260 49134 42919 45540 -61579 40890 11491 13523 93765 27046 44833 17880 63440 -66417 57702 22982 27236 -34905 14020 4720 21682 52261 39496 -25475 14305 30396 21272 -51010 35789 46206 900000 35338 900000 16357 -5890 20667 -3091 -22427 43654 56524 67561 32494 12824 900000 -40565 52461 18237 45352 40835 30013 30800 36945 23794 46000 51051 28601 55013 53198 43615 -673 38475 3704 -152178 27390 4957 900000 27684 57099 55460 55442 -51660 900000 113856 43207 21849 -24963 900000 -87247 43083 -23867 33340 6984 834 41493 -26438 35537 25066 -38276 -63874 900000 32789 44844 46687 46139 27430 44118 31035 10353 43221 -27477 900000 34783 108027