File name: Pandora259s1_TylerTX_20231028_L2Fit_fout2c3d20230310p1-8.txt File generation date: 20250305T234558.0Z Data description: Level 2 spectral fitting results file Data file version: fout2c3p1-8 Local principal investigator: James Flynn Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 259 Spectrometer number: 1 Processing software version used: BlickP v1.8.74 Instrument operation file used: Pandora259_OF_v3d20221229.txt Instrument calibration file used: Pandora259s1_CF_v3d20230310.txt Level 1 file used: Pandora259s1_TylerTX_20231028_L1_smca1c3d20230310p1-8.txt Full location name: Tyler Pounds Regional Airport Short location name: TylerTX Country of location: United States Location latitude [deg]: 32.3440 Location longitude [deg]: -95.4159 Location altitude [m]: 164 Local noon date: 20231028 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: None First and last pixel inside fitting window: 195 337 Nominal wavelengths inside fitting window [nm]: 305.0446 305.1851 305.3256 305.4661 305.6066 305.7470 305.8875 306.0279 306.1684 306.3088 306.4492 306.5896 306.7300 306.8704 307.0108 307.1511 307.2915 307.4318 307.5721 307.7125 307.8528 307.9930 308.1333 308.2736 308.4139 308.5541 308.6943 308.8346 308.9748 309.1150 309.2552 309.3954 309.5355 309.6757 309.8158 309.9560 310.0961 310.2362 310.3763 310.5164 310.6565 310.7966 310.9366 311.0767 311.2167 311.3567 311.4967 311.6367 311.7767 311.9167 312.0567 312.1966 312.3366 312.4765 312.6164 312.7563 312.8962 313.0361 313.1760 313.3159 313.4557 313.5955 313.7354 313.8752 314.0150 314.1548 314.2946 314.4344 314.5741 314.7139 314.8536 314.9934 315.1331 315.2728 315.4125 315.5522 315.6918 315.8315 315.9711 316.1108 316.2504 316.3900 316.5296 316.6692 316.8088 316.9484 317.0879 317.2275 317.3670 317.5065 317.6460 317.7855 317.9250 318.0645 318.2040 318.3434 318.4829 318.6223 318.7617 318.9011 319.0405 319.1799 319.3193 319.4587 319.5980 319.7373 319.8767 320.0160 320.1553 320.2946 320.4339 320.5731 320.7124 320.8516 320.9909 321.1301 321.2693 321.4085 321.5477 321.6869 321.8261 321.9652 322.1044 322.2435 322.3826 322.5217 322.6608 322.7999 322.9390 323.0780 323.2171 323.3561 323.4952 323.6342 323.7732 323.9122 324.0512 324.1901 324.3291 324.4680 324.6070 324.7459 324.8848 --------------------------------------------------------------------------------------- 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 100-242: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting Columns 243-385: 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 20231028T163820.9Z 8701.693298 547 1 3.25 2 50.08 151.89 131.57 334.51 0.00 1 0.00 1 0 25 1.177e-02 9.255e-03 2.849e-03 2.078e-03 1.852246e-01 1.132935e-03 2.167917e-03 -6.000000e+00 7.233084e-03 225.92 -2.00 3.31 -2.00 314.60 0.00e+00 6.861501e-05 9.671814e-05 2.701620e-05 -6.000000e+00 3.373530e-04 287.77 -2.00 20.00 -2.00 313.99 0.00e+00 1.555 0.000 302.00 328.00 3 3.2910e+00 2.8757e-03 1.7642e-02 -6.0000e+00 1.7843e-02 3.0817e-02 3.1805e-03 8.9675e-03 -6.0000e+00 1.9280e-02 -3.6250e-03 1.8260e-03 4.4196e-03 -6.0000e+00 1.1544e-02 -2.8231e-03 7.9340e-04 1.2549e-03 -6.0000e+00 4.9007e-03 3.5485e-03 1.1867e-04 6.7923e-05 2.0692e-05 -6.0000e+00 3.8992e-04 -3.8969e-03 0.0000e+00 12 9 1 12 1 1 99.85 28.93 0.46 -0.00390 -0.00301 7 108 1 5 0 279.050 37.00 20.00 28.93 31.33 2.9 1038.21 -1395 -3187 -4310 -2145 770 1740 1524 1762 -122 -2184 439 1398 785 517 26 -1376 -940 600 517 449 617 1515 1442 -65 1375 43 -1234 -1320 1909 3338 2057 1349 1148 -1887 -1330 1671 821 658 672 -1923 -2271 -920 -769 -1462 -1204 -1091 -665 -327 194 836 1234 613 803 571 -362 481 1094 908 712 1788 1568 1547 572 -508 -1116 -535 1015 622 2036 1544 -579 -897 -1174 -537 -937 -64 553 1245 1156 626 -1019 -1439 -1792 -1676 -663 -1397 -1093 -461 -664 -942 -183 359 366 1558 2378 1025 566 144 -521 -982 -761 -383 576 1432 281 -1314 -350 -461 -301 154 39 -543 -754 197 298 1068 1480 964 612 -123 -623 -354 -192 -94 455 1115 778 1366 943 421 98 178 15 117 150 -175 -616 48 -481 -712 -220 -337 -284 -528 -1233 -1699 -793 276 585 521 651 -47 -894 178 574 326 238 12 -688 -489 317 280 238 332 814 782 -37 802 25 -714 -769 1074 1784 1118 773 658 -1130 -779 940 491 427 466 -1441 -1804 -763 -632 -1222 -1004 -900 -555 -264 158 669 968 507 673 500 -318 428 978 814 634 1572 1412 1416 544 -511 -1098 -514 953 561 1857 1487 -581 -923 -1229 -564 -935 -62 500 1081 1005 568 -1002 -1460 -1901 -1825 -737 -1622 -1304 -568 -827 -1149 -215 408 392 1604 2451 1109 654 172 -650 -1243 -924 -445 668 1651 336 -1609 -446 -599 -397 207 53 -760 -1035 265 379 1326 1772 1184 776 -164 -845 -473 -258 -123 590 1403 936 1642 1136 522 125 234 20 156 205 -246 -882 70 -715 -1054 -315 -481 -396 SU 20231028T174912.8Z 8701.742509 596 1 2.71 2 45.72 174.47 134.86 356.71 0.00 1 0.00 1 0 25 1.209e-02 9.344e-03 1.460e-03 1.125e-03 1.681561e-01 6.156569e-04 1.976763e-03 -6.000000e+00 7.430498e-03 225.91 -2.00 3.31 -2.00 314.28 0.00e+00 -7.601447e-05 4.948041e-05 1.802379e-05 -6.000000e+00 3.465422e-04 287.77 -2.00 20.00 -2.00 313.70 0.00e+00 1.430 0.000 302.00 328.00 3 2.0490e+00 1.5591e-03 1.6172e-02 -6.0000e+00 1.8330e-02 1.3673e-02 1.7215e-03 8.1475e-03 -6.0000e+00 1.9805e-02 2.6447e-04 9.9037e-04 4.0173e-03 -6.0000e+00 1.1859e-02 -1.2515e-03 4.2721e-04 1.1363e-03 -6.0000e+00 5.0349e-03 1.4414e-02 1.4897e-04 3.6804e-05 1.9129e-05 -6.0000e+00 4.0052e-04 -4.4850e-03 0.0000e+00 12 9 9 12 1 1 99.17 28.90 0.39 -0.00449 -0.00337 22 409 1 5 0 73.410 37.00 20.01 28.90 33.32 2.8 1053.43 -1393 -3694 -3970 -3598 349 2518 1603 1890 608 -958 -603 2568 1607 853 321 -1345 -401 511 67 571 905 1219 1764 295 531 388 -1390 -1419 2061 3076 1777 1030 807 -1639 -1656 1701 1426 783 675 -1508 -2509 -1606 -957 -1327 -1016 -750 -1035 -532 275 773 1179 634 734 701 -243 313 538 -2 583 1431 1420 1534 847 -527 -1149 -586 758 1239 2119 1444 -526 -770 -949 -605 -649 -182 589 1219 1481 502 -827 -1567 -1903 -1497 -660 -1021 -773 -544 -873 -908 -134 586 654 1712 2091 1198 714 239 -885 -1029 -236 -190 292 1316 156 -1330 -545 -374 -517 194 -78 -529 -514 8 367 905 1649 942 621 -93 -644 -594 -118 -44 350 1022 623 1366 1270 355 138 -170 -149 104 306 -441 -376 43 -393 -422 -247 -244 -477 -587 -1609 -1742 -1504 138 976 635 766 257 -428 -272 1145 730 409 170 -741 -218 283 38 331 533 720 1044 175 328 246 -883 -865 1197 1773 1037 605 496 -1003 -995 1018 864 521 486 -1182 -2040 -1369 -808 -1135 -865 -631 -880 -436 224 619 960 527 640 616 -216 281 488 -1 525 1275 1293 1425 817 -524 -1150 -569 713 1140 1921 1390 -532 -801 -1003 -625 -653 -177 547 1081 1305 464 -805 -1592 -2028 -1638 -741 -1198 -936 -667 -1083 -1103 -156 653 700 1755 2149 1290 802 280 -1089 -1281 -287 -222 331 1479 183 -1607 -687 -480 -678 258 -106 -736 -697 11 469 1093 1961 1123 768 -121 -861 -786 -156 -58 445 1255 749 1631 1518 440 175 -218 -194 136 417 -610 -528 62 -563 -614 -350 -343 -656