File name: Pandora32s1_GreenbeltMD_20220109_L2Fit_fout2c2d20190306p1-8.txt File generation date: 20250509T165054.0Z Data description: Level 2 spectral fitting results file Data file version: fout2c2p1-8 Local principal investigator: Nader Abuhassan Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 32 Spectrometer number: 1 Processing software version used: BlickP v1.8.75 Instrument operation file used: Pandora32_OF_v3d20181024.txt Instrument calibration file used: Pandora32s1_CF_v2d20190306.txt Level 1 file used: Pandora32s1_GreenbeltMD_20220109_L1_smca1c2d20190306p1-8.txt Full location name: Goddard Space Flight Center Short location name: GreenbeltMD Country of location: USA Location latitude [deg]: 38.9926 Location longitude [deg]: -76.8396 Location altitude [m]: 90 Local noon date: 20220109 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: OOB ICF based on field calibration session 1 First and last pixel inside fitting window: 259 401 Nominal wavelengths inside fitting window [nm]: 305.0066 305.1477 305.2887 305.4297 305.5707 305.7117 305.8527 305.9936 306.1346 306.2755 306.4165 306.5574 306.6983 306.8392 306.9801 307.1209 307.2618 307.4026 307.5435 307.6843 307.8251 307.9659 308.1067 308.2475 308.3882 308.5290 308.6697 308.8105 308.9512 309.0919 309.2326 309.3733 309.5140 309.6546 309.7953 309.9359 310.0765 310.2172 310.3578 310.4984 310.6389 310.7795 310.9201 311.0606 311.2011 311.3417 311.4822 311.6227 311.7632 311.9036 312.0441 312.1846 312.3250 312.4654 312.6059 312.7463 312.8867 313.0270 313.1674 313.3078 313.4481 313.5885 313.7288 313.8691 314.0094 314.1497 314.2900 314.4302 314.5705 314.7107 314.8510 314.9912 315.1314 315.2716 315.4118 315.5519 315.6921 315.8322 315.9724 316.1125 316.2526 316.3927 316.5328 316.6729 316.8130 316.9530 317.0931 317.2331 317.3731 317.5131 317.6531 317.7931 317.9331 318.0730 318.2130 318.3529 318.4928 318.6327 318.7726 318.9125 319.0524 319.1923 319.3321 319.4720 319.6118 319.7516 319.8914 320.0312 320.1710 320.3108 320.4505 320.5903 320.7300 320.8697 321.0094 321.1491 321.2888 321.4285 321.5682 321.7078 321.8475 321.9871 322.1267 322.2663 322.4059 322.5455 322.6851 322.8246 322.9642 323.1037 323.2432 323.3827 323.5222 323.6617 323.8012 323.9406 324.0801 324.2195 324.3589 324.4984 324.6378 324.7771 324.9165 --------------------------------------------------------------------------------------- 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 --------------------------------------------------------------------------------------- SS 20220109T151333.1Z 8044.634411 114 1 18.80 2 67.28 149.59 109.09 69.09 0.00 1 0.00 1 0 17 1.963e-02 6.012e-03 1.016e-02 2.666e-03 3.191892e-01 1.328529e-03 3.830761e-03 -6.000000e+00 1.100991e-02 223.75 -2.00 3.47 -2.00 317.63 0.00e+00 7.229460e-04 2.074908e-04 1.170957e-04 -6.000000e+00 4.788991e-04 276.84 -2.00 20.00 -2.00 317.02 0.00e+00 2.569 0.000 302.00 328.00 3 4.2626e+00 3.5000e-03 2.9916e-02 -6.0000e+00 2.7182e-02 1.8197e-02 3.9433e-03 1.6052e-02 -6.0000e+00 2.9561e-02 -1.3448e-02 2.4835e-03 8.0049e-03 -6.0000e+00 1.7592e-02 1.6976e-03 1.2798e-03 2.3812e-03 -6.0000e+00 7.6405e-03 4.0412e-04 -8.9954e-05 7.4310e-05 2.5246e-05 -6.0000e+00 5.1303e-04 -3.7717e-02 -5.3124e-05 12 1 1 12 1 1 99.84 21.02 0.22 -0.03772 -0.03839 11 7 1 5 0 1552.290 25.58 19.99 21.02 900000 594 -2468 -2445 -5662 -9903 -10607 -6675 -3658 -1881 -6906 -6713 -350 -1287 -1941 -467 -1686 -734 1727 -382 529 84 3284 -105 2257 -1683 88 -5 -1062 571 732 3026 1072 1350 -2246 -1517 -2443 -2437 -915 -421 -289 -404 -522 -620 -30 1018 20 -14 -45 -848 338 700 1902 395 862 1614 916 412 258 495 432 1060 1470 923 1188 125 738 -425 -123 954 294 694 -460 278 22 -168 -337 -1313 -893 -508 -1169 -1875 -1916 -1789 -1090 -570 -107 -63 -25 234 826 -78 404 -27 288 151 -195 800 519 159 -467 -892 -654 -149 -82 -849 -658 -621 -299 473 281 696 100 187 289 -39 468 289 -184 79 -69 55 -31 376 146 951 9 682 508 269 383 -366 -270 163 -59 198 -15 206 -284 -11 -281 -416 -462 900000 51 -217 -216 -511 -838 -897 -598 -364 -186 -736 -708 -37 -163 -291 -79 -317 -143 346 -82 116 19 701 -24 544 -412 22 -1 -263 132 174 776 286 392 -669 -417 -689 -778 -346 -177 -139 -209 -282 -321 -15 559 11 -8 -24 -458 186 388 1123 251 574 1096 603 276 170 340 298 718 1085 750 956 99 564 -311 -91 784 259 653 -422 263 19 -138 -262 -953 -644 -404 -1009 -1731 -1939 -1908 -1155 -646 -122 -76 -30 280 977 -86 424 -27 290 159 -230 992 676 215 -609 -1123 -793 -176 -98 -1107 -855 -846 -426 683 418 1081 156 289 412 -54 621 394 -267 117 -107 85 -47 548 214 1316 12 913 681 394 575 -554 -417 259 -100 337 -26 357 -503 -20 -495 -702 -783 SS 20220109T152521.7Z 8044.642612 117 1 49.03 2 66.17 152.31 106.97 71.10 0.00 1 0.00 1 0 17 1.347e-02 5.585e-03 9.927e-03 2.129e-03 3.040404e-01 1.064018e-03 3.627434e-03 -6.000000e+00 7.554145e-03 223.75 -2.00 3.47 -2.00 318.14 0.00e+00 5.067968e-04 1.880020e-04 1.247373e-04 -6.000000e+00 3.285228e-04 276.84 -2.00 20.00 -2.00 317.52 0.00e+00 2.457 0.000 302.00 328.00 3 4.5912e+00 2.8299e-03 2.8581e-02 -6.0000e+00 1.8650e-02 4.6745e-03 3.2028e-03 1.5289e-02 -6.0000e+00 2.0281e-02 1.4722e-02 2.1003e-03 7.6643e-03 -6.0000e+00 1.2069e-02 -1.2118e-02 1.0983e-03 2.2899e-03 -6.0000e+00 5.2429e-03 3.3066e-04 2.3124e-04 6.0719e-05 2.4297e-05 -6.0000e+00 3.5184e-04 -3.7565e-02 2.3501e-05 10 0 0 10 0 0 100.00 21.03 0.14 -0.03757 -0.03583 114 25 1 5 0 430.000 25.58 20.01 21.03 900000 2650 -1328 -2952 -5058 -7807 -463 -1967 662 -2637 -5359 -217 -1670 -930 793 92 -2592 468 1505 1063 1943 1162 198 64 1171 -1556 159 1264 -518 718 -215 1163 2488 1574 -1152 -2375 -1777 -2157 -655 -285 -544 -443 -2426 -937 -852 616 -275 -409 -354 -1268 -124 117 690 531 777 893 606 214 781 764 1143 1115 1726 748 1648 127 154 -538 -414 569 291 623 570 315 527 -284 -175 -1567 -1332 -634 -909 -1023 -2079 -1847 -919 -228 -26 281 248 461 959 -4 104 -172 -291 88 -43 517 511 114 -225 -362 -874 -402 -177 -829 -522 -492 -477 729 525 671 299 351 -135 -309 97 -125 -326 -65 -30 9 -75 312 326 596 -313 18 685 -9 288 -487 -271 242 -100 151 -155 609 207 224 -131 -601 -575 900000 180 -101 -229 -365 -520 -28 -135 51 -232 -498 -19 -159 -94 93 12 -393 72 241 178 336 204 35 12 229 -331 34 263 -102 133 -41 242 563 391 -291 -565 -427 -590 -212 -102 -224 -196 -1141 -445 -406 290 -130 -191 -162 -583 -58 59 373 305 468 552 358 128 495 474 710 729 1139 544 1252 95 105 -350 -273 415 241 551 516 280 444 -220 -121 -1088 -918 -445 -731 -925 -1939 -1814 -943 -250 -30 343 308 563 1101 -4 101 -167 -288 89 -48 649 661 153 -290 -457 -1017 -457 -215 -1093 -674 -666 -676 1092 795 1061 471 558 -198 -421 127 -169 -465 -100 -48 14 -116 469 468 814 -437 24 959 -13 443 -788 -446 385 -167 270 -288 1146 397 427 -241 -1067 -982