File name: Pandora2s1_GreenbeltMD_20240401_L2Fit_fout2c9d20220412p1-8.txt File generation date: 20240402T051801.3Z Data description: Level 2 spectral fitting results file Data file version: fout2c9p1-8 Local principal investigator: Thomas Hanisco Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 2 Spectrometer number: 1 Processing software version used: BlickP v1.8.59 Instrument operation file used: Pandora2_OF_v2d20210816.txt Instrument calibration file used: Pandora2s1_CF_v9d20220412.txt Level 1 file used: Pandora2s1_GreenbeltMD_20240401_L1_smca1c9d20220412p1-8.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: 20240401 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: 198 339 Nominal wavelengths inside fitting window [nm]: 305.1182 305.2592 305.4003 305.5413 305.6824 305.8234 305.9644 306.1054 306.2464 306.3874 306.5284 306.6693 306.8103 306.9512 307.0921 307.2330 307.3739 307.5148 307.6557 307.7966 307.9374 308.0783 308.2191 308.3600 308.5008 308.6416 308.7824 308.9231 309.0639 309.2047 309.3454 309.4862 309.6269 309.7676 309.9083 310.0490 310.1897 310.3303 310.4710 310.6116 310.7523 310.8929 311.0335 311.1741 311.3147 311.4553 311.5958 311.7364 311.8769 312.0175 312.1580 312.2985 312.4390 312.5795 312.7200 312.8604 313.0009 313.1413 313.2817 313.4222 313.5626 313.7030 313.8434 313.9837 314.1241 314.2644 314.4048 314.5451 314.6854 314.8257 314.9660 315.1063 315.2466 315.3868 315.5271 315.6673 315.8076 315.9478 316.0880 316.2282 316.3683 316.5085 316.6487 316.7888 316.9290 317.0691 317.2092 317.3493 317.4894 317.6295 317.7695 317.9096 318.0496 318.1897 318.3297 318.4697 318.6097 318.7497 318.8896 319.0296 319.1696 319.3095 319.4494 319.5893 319.7292 319.8691 320.0090 320.1489 320.2887 320.4286 320.5684 320.7083 320.8481 320.9879 321.1277 321.2674 321.4072 321.5470 321.6867 321.8264 321.9662 322.1059 322.2456 322.3852 322.5249 322.6646 322.8042 322.9439 323.0835 323.2231 323.3627 323.5023 323.6419 323.7815 323.9210 324.0606 324.2001 324.3396 324.4791 324.6186 324.7581 324.8976 --------------------------------------------------------------------------------------- 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 100-241: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting Columns 242-383: 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 20240401T161022.5Z 8857.673871 350 1 18.55 2 36.75 154.17 100.54 240.94 0.00 1 0.00 1 0 17 1.473e-02 7.525e-03 1.090e-02 4.714e-03 2.206588e-01 2.370448e-03 2.606813e-03 -6.000000e+00 8.310718e-03 227.76 -2.00 3.47 -2.00 316.68 0.00e+00 2.739482e-04 2.867267e-04 9.504424e-05 -6.000000e+00 3.631344e-04 279.87 -2.00 20.00 -2.00 316.01 0.00e+00 1.247 0.000 302.00 328.00 3 6.4962e+00 6.1972e-03 1.6727e-02 -6.0000e+00 2.0678e-02 4.7332e-02 6.9562e-03 1.1054e-02 -6.0000e+00 2.2477e-02 -1.7564e-03 4.0659e-03 5.4555e-03 -6.0000e+00 1.3362e-02 -3.5850e-03 1.9355e-03 1.5463e-03 -6.0000e+00 5.7146e-03 1.7539e-04 3.4953e-04 1.3238e-04 1.6816e-05 -6.0000e+00 3.8427e-04 4.4489e-02 6.4965e-05 12 9 1 12 9 1 99.99 22.18 0.31 0.04449 0.04712 5 3 1 5 0 3090.950 25.17 19.97 22.18 15.66 21.0 991.53 -2816 -831 -2168 -834 -8078 -2485 -5081 1866 2344 -3000 -1287 2239 -4468 -596 75 547 1127 4940 1514 1158 1504 342 2436 -801 106 745 1759 -1846 39 1168 1459 1853 -1895 -56 -2506 -2465 -1555 -414 309 -330 -1833 158 -861 -365 -1251 -467 -763 -1186 -990 459 28 522 1198 1068 248 1903 1002 786 -376 633 1442 1332 1959 872 333 -580 -886 -297 468 418 452 917 584 55 -22 -818 -2298 -1374 -1660 -994 -730 -2072 -1270 -483 -1115 -58 143 695 918 423 -140 -1421 -771 408 261 163 735 655 427 -63 -193 -1037 93 -1297 -765 -312 -394 341 90 1191 692 -150 28 -176 -809 -33 -568 184 287 294 138 202 660 429 324 -15 309 200 414 -32 1 -1031 -482 86 289 39 669 491 -143 -500 -667 -368 -503 -151 -382 -126 -1207 -363 -843 324 435 -579 -240 440 -1064 -155 21 162 339 1483 485 382 487 112 824 -293 40 282 623 -618 12 378 500 681 -761 -20 -889 -938 -672 -211 169 -200 -1177 102 -570 -238 -823 -299 -473 -716 -587 279 19 356 855 789 187 1438 763 586 -280 476 1147 1149 1796 814 287 -460 -674 -232 412 407 462 938 580 51 -19 -619 -1806 -1089 -1342 -896 -725 -2232 -1410 -568 -1302 -71 180 879 1121 479 -158 -1474 -751 409 287 199 907 864 556 -77 -239 -1208 109 -1555 -966 -409 -540 484 136 1871 1106 -233 40 -231 -1081 -43 -714 246 412 435 202 290 900 553 434 -19 388 266 539 -44 1 -1482 -711 134 472 66 1145 850 -243 -821 -1059 -568 SS 20240401T201540.3Z 8857.844217 514 1 2.62 2 53.79 242.97 144.12 273.82 0.00 1 0.00 1 0 17 1.736e-02 8.412e-03 1.616e-02 6.532e-03 2.785675e-01 3.285020e-03 3.345005e-03 -6.000000e+00 9.789590e-03 227.77 -2.00 3.47 -2.00 316.66 0.00e+00 1.484730e-04 4.026950e-04 1.355672e-04 -6.000000e+00 4.278825e-04 279.89 -2.00 20.00 -2.00 316.00 0.00e+00 1.688 0.000 302.00 328.00 3 4.7678e+00 8.5894e-03 2.2031e-02 -6.0000e+00 2.4358e-02 2.5084e-02 9.6237e-03 1.4133e-02 -6.0000e+00 2.6483e-02 8.5737e-04 5.6694e-03 6.9707e-03 -6.0000e+00 1.5744e-02 -1.6605e-03 2.7457e-03 1.9543e-03 -6.0000e+00 6.7297e-03 5.8635e-04 -3.2692e-04 1.8017e-04 2.2195e-05 -6.0000e+00 4.5288e-04 4.4918e-02 -7.3398e-05 12 9 1 12 1 1 999.00 22.36 0.15 0.04492 0.04246 1 7 1 5 0 1308.760 25.28 20.04 22.36 18.06 21.3 1010.22 -4569 2744 -6787 -2187 -2706 -273 -8023 1813 -6068 245 -2515 1550 -3416 4102 -3676 -221 168 200 -2288 2629 -2771 3632 2356 1703 235 1787 571 1338 -1236 389 3810 952 1012 -3708 424 -364 -2119 27 -149 -787 -1777 -1342 226 753 -1329 1725 -2191 -145 104 1800 121 1154 1530 -103 916 1924 -34 650 -319 -354 1951 950 3029 70 -501 -558 88 370 805 -444 849 355 -356 408 -643 153 -947 306 -1014 -1098 -1358 -2850 -1346 -821 -816 -978 -442 610 228 304 228 -409 -582 -417 1193 870 962 159 -259 43 -215 -1605 -288 -1094 13 -1110 126 -163 635 635 356 -248 308 563 845 839 235 525 -700 144 -362 762 -295 809 853 125 560 712 513 -765 462 -573 427 -605 -476 -307 345 -333 -262 50 -300 -120 -677 396 -1037 -308 -355 -36 -1293 299 -1064 40 -422 278 -744 952 -1039 -64 50 62 -692 849 -856 1159 741 570 84 635 195 454 -416 136 1282 359 405 -1462 152 -142 -965 13 -88 -483 -1154 -897 151 497 -897 1113 -1432 -91 65 1160 85 798 1116 -79 711 1513 -28 506 -247 -280 1613 811 2732 62 -440 -452 73 299 738 -430 852 360 -352 373 -567 128 -752 247 -878 -1012 -1394 -3017 -1463 -948 -961 -1218 -539 741 283 349 253 -439 -599 -450 1323 1021 1195 213 -345 53 -261 -1831 -331 -1385 17 -1474 173 -225 927 941 539 -365 441 773 1078 1060 311 706 -1021 213 -531 1080 -404 1090 1097 161 716 925 717 -1089 671 -854 653 -947 -751 -495 566 -554 -423 81 -468 -182