File name: Pandora32s1_GreenbeltMD_20211013_L2Fit_fout2c2d20190306p1-8.txt File generation date: 20250509T163046.1Z 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_20211013_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: 20211013 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 --------------------------------------------------------------------------------------- SU 20211013T135248.7Z 7956.578341 117 1 2.73 2 62.94 127.92 148.14 74.88 0.00 1 0.00 1 0 17 9.671e-03 6.235e-03 4.899e-03 2.344e-03 2.508840e-01 1.185728e-03 3.031143e-03 -6.000000e+00 5.479701e-03 226.41 -2.00 3.47 -2.00 316.27 0.00e+00 4.871601e-04 1.342341e-04 4.059510e-05 -6.000000e+00 2.446046e-04 285.47 -2.00 20.00 -2.00 315.55 0.00e+00 2.186 0.000 302.00 328.00 3 2.5639e+00 3.0695e-03 2.5035e-02 -6.0000e+00 1.3569e-02 1.5831e-02 3.4304e-03 1.2760e-02 -6.0000e+00 1.4709e-02 -8.1233e-03 1.9971e-03 6.2642e-03 -6.0000e+00 8.7805e-03 1.9983e-04 9.5447e-04 1.8031e-03 -6.0000e+00 3.8198e-03 3.5413e-03 -5.5970e-05 6.4972e-05 2.0724e-05 -6.0000e+00 2.5300e-04 -3.4267e-02 -1.6632e-06 12 1 1 12 1 1 85.08 22.08 0.22 -0.03427 -0.03469 8 38 1 5 0 283.020 26.41 20.00 22.08 900000 -1911 98 -2450 -2431 -2482 -3509 -428 -878 -242 -1769 -1986 -1265 -802 800 -39 496 131 1158 1706 825 1084 -175 1344 369 3 317 -990 854 -507 254 1936 718 1692 -2729 -1580 -3148 -1510 -328 -582 -738 -554 104 -717 99 234 -578 43 -1056 253 141 908 947 758 808 766 692 306 403 587 390 1092 1035 1815 1183 -410 -162 -868 282 670 198 123 61 519 621 99 -554 -477 -693 -699 -1343 -1489 -1506 -1878 -1513 -576 -571 218 -17 441 870 167 -94 203 691 49 131 548 328 328 -614 -535 -777 -320 -120 -661 -670 -639 -389 -25 366 634 231 364 -51 90 300 439 253 118 -161 -257 82 171 377 801 -109 942 779 372 133 -269 -31 -12 368 116 -351 230 168 -96 -406 -494 -689 900000 -352 19 -479 -464 -423 -597 -77 -168 -50 -380 -418 -280 -202 229 -12 161 44 400 607 307 403 -65 511 141 1 131 -400 337 -191 96 776 296 743 -1228 -651 -1338 -713 -172 -345 -470 -376 69 -489 67 158 -391 30 -720 167 96 620 691 585 618 599 554 248 323 460 308 900 885 1669 1090 -368 -138 -732 237 596 190 121 61 512 608 89 -469 -388 -557 -585 -1228 -1457 -1604 -2024 -1715 -668 -681 270 -21 547 1016 187 -100 207 711 53 151 673 425 437 -791 -658 -917 -370 -143 -825 -876 -843 -535 -35 528 946 342 525 -70 118 379 568 335 163 -235 -377 117 245 513 1071 -140 1194 993 496 189 -385 -44 -18 556 181 -570 368 273 -156 -659 -773 -1078 SU 20211013T135755.6Z 7956.581894 120 1 41.65 2 62.16 129.05 147.22 76.01 0.00 1 0.00 1 0 17 8.908e-03 5.718e-03 1.696e-03 7.655e-04 2.440444e-01 3.870010e-04 2.938728e-03 -6.000000e+00 5.047866e-03 226.41 -2.00 3.47 -2.00 316.41 0.00e+00 4.460014e-04 4.510869e-05 6.568694e-05 -6.000000e+00 2.253134e-04 285.47 -2.00 20.00 -2.00 315.67 0.00e+00 2.130 0.000 302.00 328.00 3 3.2100e+00 1.0040e-03 2.4376e-02 -6.0000e+00 1.2500e-02 2.3474e-02 1.1230e-03 1.2389e-02 -6.0000e+00 1.3549e-02 -6.7212e-03 6.5635e-04 6.0915e-03 -6.0000e+00 8.0882e-03 -1.1660e-03 3.1575e-04 1.7471e-03 -6.0000e+00 3.5190e-03 1.9735e-03 9.1987e-05 2.1282e-05 1.9831e-05 -6.0000e+00 2.3301e-04 -3.4253e-02 2.9322e-05 12 1 1 12 1 1 99.99 22.09 0.24 -0.03425 -0.03356 128 34 1 5 0 321.400 26.41 20.01 22.09 900000 -789 -722 -1544 -3208 -2463 -1892 -1680 347 -618 -1520 -2460 -1918 -496 393 550 -103 232 1529 792 1367 750 681 799 1110 398 479 -97 -404 -921 389 772 953 504 -1565 -2468 -2775 -1356 -726 -390 -400 -674 -490 -556 -327 73 -135 -267 -508 -616 226 571 852 743 902 862 998 508 478 485 716 1100 1413 1276 1260 71 -199 -321 -67 758 361 258 119 324 329 -143 -551 -1278 -1076 -810 -1121 -1400 -1706 -1824 -1136 -482 -379 88 252 498 533 326 -7 -12 233 74 210 619 536 -64 -436 -453 -786 -312 -253 -895 -669 -549 -276 303 423 545 310 406 -118 94 161 282 47 74 -86 -85 129 427 317 580 -48 528 727 325 163 -241 -184 132 60 11 -175 298 38 71 -344 -509 -590 900000 -138 -135 -287 -547 -372 -280 -272 63 -124 -312 -497 -407 -119 107 156 -32 73 492 266 473 262 235 285 420 160 196 -39 -150 -324 136 289 387 205 -638 -1012 -1159 -585 -373 -223 -244 -439 -330 -382 -224 50 -92 -177 -329 -391 145 392 623 540 683 667 788 407 377 376 557 896 1179 1154 1188 64 -165 -264 -55 655 334 256 121 322 312 -131 -480 -1025 -847 -696 -1035 -1371 -1733 -1950 -1271 -550 -462 107 310 603 638 376 -7 -12 240 79 236 771 699 -85 -563 -564 -905 -370 -307 -1127 -881 -722 -379 438 623 831 467 576 -162 123 203 364 65 106 -123 -122 189 604 428 777 -61 677 925 447 229 -353 -273 193 92 18 -285 494 62 115 -560 -800 -932 SU 20211013T142428.9Z 7956.600335 135 1 43.01 2 58.34 135.21 142.41 81.33 0.00 1 0.00 1 0 17 8.921e-03 5.972e-03 1.790e-03 9.934e-04 2.170768e-01 5.040219e-04 2.628210e-03 -6.000000e+00 5.055116e-03 226.40 -2.00 3.47 -2.00 315.79 0.00e+00 4.045370e-04 5.111115e-05 4.116072e-05 -6.000000e+00 2.256308e-04 285.47 -2.00 20.00 -2.00 315.10 0.00e+00 1.898 0.000 302.00 328.00 3 4.0573e+00 1.2981e-03 2.1710e-02 -6.0000e+00 1.2518e-02 2.3216e-02 1.4467e-03 1.1023e-02 -6.0000e+00 1.3568e-02 -5.5166e-03 8.3574e-04 5.4119e-03 -6.0000e+00 8.0997e-03 -1.1940e-03 3.9023e-04 1.5502e-03 -6.0000e+00 3.5242e-03 1.1089e-03 9.6181e-05 2.7451e-05 1.8388e-05 -6.0000e+00 2.3333e-04 -3.4326e-02 3.6776e-05 12 1 1 12 1 1 99.93 22.18 0.22 -0.03433 -0.03360 45 12 1 5 0 930.660 26.51 20.00 22.18 900000 -1287 84 -625 -3131 -3015 -2267 700 -354 -529 -1440 -2522 -1173 -1279 627 587 272 427 1144 956 1173 1166 1282 1027 1043 40 685 28 120 -439 91 1357 819 777 -1637 -2561 -2302 -1678 -780 -802 -491 -588 -262 -416 -464 267 -471 -31 -553 -404 574 362 994 448 954 715 1053 524 309 479 759 1064 1276 1477 911 -249 -270 -468 2 931 163 143 118 384 261 -50 -442 -1100 -1053 -866 -988 -1502 -1604 -1733 -1187 -288 -302 149 173 676 404 228 27 -7 243 -75 297 721 409 -26 -577 -438 -817 -394 -162 -1105 -582 -495 -276 350 273 549 224 467 -21 42 365 134 311 75 64 -49 31 527 233 712 -142 629 710 288 339 -74 -105 -48 -13 -13 -174 289 -42 24 -388 -413 -714 900000 -318 20 -160 -739 -632 -463 152 -88 -133 -370 -688 -306 -377 207 218 100 160 441 381 482 481 522 432 464 19 328 13 52 -178 37 577 378 384 -809 -1179 -1072 -816 -449 -517 -336 -430 -197 -302 -336 203 -357 -23 -394 -281 402 271 744 355 781 598 896 428 263 399 636 885 1148 1359 876 -231 -238 -407 2 842 159 142 120 383 261 -46 -381 -918 -860 -769 -940 -1520 -1680 -1908 -1308 -339 -363 187 212 847 479 259 29 -8 254 -81 339 869 516 -34 -722 -526 -950 -452 -191 -1417 -745 -662 -367 491 390 809 326 663 -28 55 456 172 406 102 92 -70 44 714 313 949 -180 763 893 375 468 -102 -147 -69 -19 -20 -268 452 -67 38 -599 -638 -1069