File name: Pandora207s1_ArlingtonTX_20230613_L2Fit_fout2c4d20221007p1-8.txt File generation date: 20240213T055741.3Z Data description: Level 2 spectral fitting results file Data file version: fout2c4p1-8 Local principal investigator: Yang Li Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 207 Spectrometer number: 1 Processing software version used: BlickP v1.8.59 Instrument operation file used: Pandora207_OF_v5d20210722.txt Instrument calibration file used: Pandora207s1_CF_v4d20221007.txt Level 1 file used: Pandora207s1_ArlingtonTX_20230613_L1_smca1c4d20221007p1-8.txt Full location name: University Of Texas, Arlington Science Hall Short location name: ArlingtonTX Country of location: United States Location latitude [deg]: 32.7316 Location longitude [deg]: -97.1142 Location altitude [m]: 15 Local noon date: 20230613 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: 200 341 Nominal wavelengths inside fitting window [nm]: 305.0705 305.2120 305.3535 305.4950 305.6365 305.7780 305.9194 306.0609 306.2023 306.3438 306.4852 306.6266 306.7680 306.9093 307.0507 307.1920 307.3334 307.4747 307.6160 307.7573 307.8986 308.0399 308.1811 308.3224 308.4636 308.6049 308.7461 308.8873 309.0285 309.1696 309.3108 309.4520 309.5931 309.7342 309.8753 310.0164 310.1575 310.2986 310.4397 310.5807 310.7218 310.8628 311.0038 311.1448 311.2858 311.4268 311.5678 311.7087 311.8497 311.9906 312.1315 312.2724 312.4133 312.5542 312.6951 312.8359 312.9768 313.1176 313.2584 313.3992 313.5400 313.6808 313.8216 313.9623 314.1031 314.2438 314.3845 314.5252 314.6659 314.8066 314.9473 315.0879 315.2286 315.3692 315.5098 315.6505 315.7910 315.9316 316.0722 316.2128 316.3533 316.4938 316.6344 316.7749 316.9154 317.0558 317.1963 317.3368 317.4772 317.6177 317.7581 317.8985 318.0389 318.1793 318.3196 318.4600 318.6003 318.7407 318.8810 319.0213 319.1616 319.3019 319.4421 319.5824 319.7226 319.8628 320.0031 320.1433 320.2835 320.4236 320.5638 320.7040 320.8441 320.9842 321.1243 321.2644 321.4045 321.5446 321.6847 321.8247 321.9647 322.1048 322.2448 322.3848 322.5247 322.6647 322.8047 322.9446 323.0846 323.2245 323.3644 323.5043 323.6442 323.7840 323.9239 324.0637 324.2036 324.3434 324.4832 324.6230 324.7628 324.9025 --------------------------------------------------------------------------------------- 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 --------------------------------------------------------------------------------------- SS 20230613T130226.2Z 8564.543359 153 1 45.15 2 70.91 74.14 33.09 128.93 0.00 1 0.00 1 0 17 1.446e-01 1.267e-02 1.641e-01 1.056e-02 4.061505e-01 6.214392e-03 4.378042e-03 -6.000000e+00 9.929680e-02 231.94 -2.00 3.32 -2.00 319.64 0.00e+00 3.172672e-03 1.568964e-03 2.010708e-04 -6.000000e+00 3.990979e-03 290.99 -2.00 20.00 -2.00 319.31 0.00e+00 3.021 0.000 302.00 328.00 3 5.2243e+00 1.7303e-02 3.6426e-02 -6.0000e+00 2.5039e-01 1.4166e-01 1.9703e-02 2.0239e-02 -6.0000e+00 2.7080e-01 -4.9182e-02 1.5469e-02 1.0130e-02 -6.0000e+00 1.5874e-01 6.3875e-03 8.0164e-03 2.9567e-03 -6.0000e+00 6.2607e-02 7.9389e-05 -6.8021e-04 4.4003e-04 5.0764e-05 -6.0000e+00 5.9446e-03 2.4513e-02 6.0117e-05 12 8 8 10 0 0 99.88 20.27 0.64 0.02451 0.01940 18 6 4 8 0 2483.560 15.00 20.27 29.39 20.77 20.04 15.2 988.62 -30010 -31126 123949 -46745 37043 25441 -47674 -7781 -17133 -1065 -19804 14394 3521 -6998 -5406 -26794 6714 -15008 1198 -364 16849 5642 10165 -15777 -3566 -6925 -19067 3605 -6740 9876 -3090 9712 13071 4824 -8940 -12847 762 -228 12143 -4964 8648 -6009 6945 -481 -115 -1293 -439 -1073 -2565 7228 -181 7706 -623 3735 652 -788 4860 -2279 5684 -2214 -101 -535 3355 1989 2176 538 -1672 1102 -998 1187 -2574 -589 -977 4448 -1634 -1764 722 -3270 -2629 -1386 -2847 -3245 1083 -2410 1454 666 544 -625 750 331 -732 2482 -1185 736 1916 1280 -667 987 115 -2075 11 374 328 605 1083 -584 491 -974 -504 181 -459 422 -305 343 -1180 517 -548 -826 -306 -523 1101 -1178 1305 -865 1514 227 833 295 925 -109 -745 508 -1258 1098 776 -72 -42 1585 64 -650 -799 -1058 -747 -855 1277 -1525 509 393 -1741 -187 -529 -30 -723 418 132 -341 -299 -2058 402 -1195 85 -27 1089 417 742 -1551 -321 -655 -2036 304 -637 832 -321 964 1334 551 -1197 -1889 119 -41 2239 -1222 2022 -1721 1810 -138 -33 -379 -128 -319 -795 2129 -61 2572 -240 1447 269 -337 1977 -995 2301 -994 -47 -266 1704 1059 1157 286 -908 603 -598 750 -1779 -406 -662 2708 -983 -992 383 -1853 -1603 -928 -2146 -2684 922 -2267 1396 677 570 -668 774 327 -687 2140 -1042 657 1832 1359 -791 1225 146 -2634 13 422 366 692 1293 -748 660 -1410 -774 292 -765 694 -489 520 -1743 740 -807 -1265 -484 -846 1745 -1868 1951 -1267 2085 310 1140 424 1409 -179 -1293 911 -2401 2145 1588 -154 -90 3378 136 -1348 -1612 -2109 SS 20230613T130925.6Z 8564.548213 155 1 48.73 2 69.49 74.94 31.96 131.28 0.00 1 0.00 1 0 25 3.002e-02 4.695e-03 1.156e-02 1.284e-03 3.704740e-01 7.526477e-04 4.106634e-03 -6.000000e+00 2.059739e-02 231.94 -2.00 3.32 -2.00 319.00 0.00e+00 9.990099e-04 1.607114e-04 1.490002e-04 -6.000000e+00 8.282972e-04 290.99 -2.00 20.00 -2.00 318.68 0.00e+00 2.825 0.000 302.00 328.00 3 2.4787e+00 2.0621e-03 3.3850e-02 -6.0000e+00 5.1939e-02 3.6558e-02 2.3120e-03 1.8569e-02 -6.0000e+00 5.6183e-02 -2.4811e-02 1.6499e-03 9.1822e-03 -6.0000e+00 3.2933e-02 4.1529e-03 8.4653e-04 2.6144e-03 -6.0000e+00 1.2981e-02 1.6667e-03 -5.8213e-04 5.2523e-05 4.4965e-05 -6.0000e+00 1.2342e-03 2.6361e-02 -4.3368e-05 10 0 0 10 0 0 99.43 20.27 0.41 0.02636 0.02199 85 20 4 8 0 573.110 14.99 20.27 30.01 20.77 20.04 15.3 993.67 -10762 -16337 -6368 -5098 -7966 -3002 -9006 -7405 -10668 -5930 -12708 -8355 -7962 -5687 -751 67 9 -1737 -322 -92 -160 -3065 -1167 -1989 -1339 -841 -675 -330 -1921 -528 -1398 -660 -331 -1202 -2710 -2762 -837 -1427 -112 -786 -448 -809 -181 -182 -58 318 6 611 155 229 633 1532 662 1388 243 702 1320 897 968 245 1252 607 1164 1181 802 75 492 317 644 1210 477 145 -87 -238 -378 -307 -673 -502 -489 -561 -1107 -1038 -1391 -1444 -601 -367 -215 59 339 232 210 601 129 465 764 575 -64 385 -73 -522 -335 -800 -947 -87 -68 -817 -333 -333 -121 154 188 18 -74 37 20 235 108 105 240 104 -285 125 113 242 854 653 147 597 589 309 420 51 -185 69 243 -274 -338 3 -306 -396 60 -272 -333 -576 -208 -161 -253 -92 -307 -269 -475 -269 -663 -462 -500 -402 -57 6 1 -171 -33 -10 -17 -350 -136 -245 -170 -108 -86 -41 -245 -69 -198 -100 -53 -198 -464 -501 -166 -328 -29 -233 -144 -275 -63 -64 -21 113 2 218 57 88 257 658 304 666 122 359 677 463 501 131 696 362 731 764 518 48 312 208 452 830 348 108 -64 -166 -270 -204 -435 -332 -349 -403 -887 -908 -1313 -1456 -639 -408 -246 68 382 249 212 574 122 451 798 662 -81 472 -92 -639 -426 -983 -1158 -109 -90 -1049 -450 -479 -185 246 308 29 -117 55 28 331 155 157 374 165 -457 195 171 350 1183 885 202 852 893 498 712 91 -343 123 454 -532 -669 5 -597 -751 109 -496 SS 20230613T180339.4Z 8564.752540 280 1 7.29 2 10.98 148.43 49.55 255.00 0.00 1 0.00 1 0 17 7.814e-03 6.709e-03 5.041e-03 3.787e-03 1.361118e-01 2.293110e-03 1.540930e-03 -6.000000e+00 5.363230e-03 231.94 -2.00 3.32 -2.00 314.43 0.00e+00 3.496254e-04 1.644128e-04 1.275938e-05 -6.000000e+00 2.156424e-04 291.01 -2.00 20.00 -2.00 314.17 0.00e+00 1.019 0.000 302.00 328.00 3 5.1238e+00 5.9183e-03 1.2200e-02 -6.0000e+00 1.3524e-02 5.5400e-02 6.5114e-03 6.6571e-03 -6.0000e+00 1.4629e-02 -7.6772e-03 3.6963e-03 3.2374e-03 -6.0000e+00 8.5749e-03 -1.0253e-03 1.4833e-03 8.8920e-04 -6.0000e+00 3.3804e-03 1.0275e-03 -2.1369e-04 1.5230e-04 1.8718e-05 -6.0000e+00 3.2129e-04 2.5767e-02 -2.0219e-05 12 9 1 12 1 1 99.41 20.21 0.88 0.02577 0.02416 3 7 1 8 0 1752.570 15.00 20.21 33.67 20.77 20.04 15.5 1018.16 -203 -1548 182 -472 -1812 413 768 -1047 693 1402 -1767 -937 811 -287 137 283 54 248 -547 1282 207 1273 495 1280 431 441 1148 -344 -104 178 1542 705 878 -57 -2147 -1090 67 -2157 -221 85 -1249 -1640 -950 -384 -283 -936 -344 -962 -693 316 1051 877 425 1293 832 -144 1205 641 762 1005 1214 931 761 535 345 -193 537 258 345 587 497 -77 -333 -367 7 -24 -740 -815 311 -523 -1570 -1728 -1827 -1483 -70 393 -728 104 204 -246 -303 944 -437 236 1065 1005 691 216 96 -407 228 -1195 -704 201 371 -331 -404 -42 -123 160 382 -435 -478 -132 -90 119 792 -13 496 518 211 -295 323 229 529 525 -212 559 688 -260 3 148 -480 167 654 -625 -56 250 -414 -561 102 -472 -80 -637 72 -180 -661 144 275 -402 275 569 -754 -411 372 -143 73 158 28 134 -302 705 116 712 284 744 257 262 659 -209 -60 101 868 408 514 -33 -1290 -674 41 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