File name: Pandora181s1_SanJoseCA_20211020_L2Fit_fout2c41d20211001p1-8.txt File generation date: 20260323T140847.1Z Data description: Level 2 spectral fitting results file Data file version: fout2c41p1-8 Local principal investigator: Sen Chiao Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 181 Spectrometer number: 1 Processing software version used: BlickP v1.8.88 Instrument operation file used: Pandora181_OF_v2d20200716.txt Instrument calibration file used: Pandora181s1_CF_v41d20211001.txt Level 1 file used: Pandora181s1_SanJoseCA_20211020_L1_smca1c41d20211001p1-8.txt.bz2 Full location name: San Jose State University, Duncan Hall Short location name: SanJoseCA Country of location: United States Location latitude [deg]: 37.3325 Location longitude [deg]: -121.8821 Location altitude [m]: 69 Local noon date: 20211020 Notes on s-number (L1 configuration): Corrections NOT applied although requested by the s-number are latency correction, radiometric temperature correction, matrix method stray light correction (replaced by simple method) Data caveats: 2ndVP based on Session4 Ref day 20220629 First and last pixel inside fitting window: 210 352 Nominal wavelengths inside fitting window [nm]: 305.0079 305.1488 305.2897 305.4306 305.5714 305.7123 305.8532 305.9940 306.1348 306.2757 306.4165 306.5573 306.6981 306.8389 306.9796 307.1204 307.2612 307.4019 307.5426 307.6833 307.8240 307.9647 308.1054 308.2461 308.3868 308.5274 308.6681 308.8087 308.9493 309.0899 309.2305 309.3711 309.5117 309.6523 309.7928 309.9334 310.0739 310.2144 310.3550 310.4955 310.6360 310.7764 310.9169 311.0574 311.1978 311.3383 311.4787 311.6191 311.7595 311.8999 312.0403 312.1807 312.3210 312.4614 312.6017 312.7421 312.8824 313.0227 313.1630 313.3033 313.4435 313.5838 313.7241 313.8643 314.0045 314.1448 314.2850 314.4252 314.5654 314.7056 314.8457 314.9859 315.1260 315.2662 315.4063 315.5464 315.6865 315.8266 315.9667 316.1067 316.2468 316.3869 316.5269 316.6669 316.8069 316.9469 317.0869 317.2269 317.3669 317.5068 317.6468 317.7867 317.9267 318.0666 318.2065 318.3464 318.4863 318.6261 318.7660 318.9059 319.0457 319.1855 319.3253 319.4651 319.6049 319.7447 319.8845 320.0243 320.1640 320.3038 320.4435 320.5832 320.7229 320.8626 321.0023 321.1420 321.2816 321.4213 321.5609 321.7006 321.8402 321.9798 322.1194 322.2590 322.3985 322.5381 322.6777 322.8172 322.9567 323.0962 323.2358 323.3753 323.5147 323.6542 323.7937 323.9331 324.0726 324.2120 324.3514 324.4908 324.6302 324.7696 324.9090 --------------------------------------------------------------------------------------- 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 --------------------------------------------------------------------------------------- SS 20211020T163219.4Z 7963.689114 312 1 8.04 2 66.98 125.11 114.51 301.94 0.00 1 0.00 1 0 17 1.614e-02 6.463e-03 7.732e-03 2.038e-03 3.196747e-01 1.059474e-03 3.752776e-03 -6.000000e+00 9.584680e-03 226.04 -2.00 3.44 -2.00 317.52 0.00e+00 5.211001e-04 1.666471e-04 1.022628e-04 -6.000000e+00 4.303961e-04 285.92 -2.00 20.00 -2.00 316.75 0.00e+00 2.537 0.000 302.00 328.00 3 2.9130e+00 2.7980e-03 2.9778e-02 -6.0000e+00 2.3668e-02 2.8928e-02 3.1554e-03 1.6034e-02 -6.0000e+00 2.5627e-02 -5.5359e-03 1.9273e-03 7.8899e-03 -6.0000e+00 1.5331e-02 -4.0082e-03 9.6331e-04 2.2538e-03 -6.0000e+00 6.5144e-03 1.5637e-03 -2.5127e-04 6.3169e-05 2.8250e-05 -6.0000e+00 4.8599e-04 -4.1418e-03 0.0000e+00 12 9 1 12 1 1 99.65 22.40 0.50 -0.00414 -0.00603 18 27 1 5 0 413.870 25.90 20.01 22.40 23.07 16.7 983.54 -1222 -2758 -2182 -8372 -3988 -5017 -2764 -4865 1910 -7128 -1162 -6770 2835 -656 -244 -380 -478 1462 179 1506 140 740 467 2352 97 1696 -1049 -231 -802 995 522 1865 559 870 -1949 -1951 -1487 -1529 164 -830 -1818 -1114 -357 -647 -485 -430 570 -558 -487 -298 1241 589 688 1077 1000 878 676 680 576 777 539 1904 1874 1653 425 -933 -66 103 302 989 -49 30 143 -178 287 -405 416 -110 -100 68 -866 -1380 -1711 -2274 -947 -760 -727 -121 431 150 -28 722 429 290 973 362 298 753 172 -584 -239 -483 -787 326 -78 -1234 -691 -941 -909 466 586 109 90 93 17 151 736 264 462 114 -317 -274 355 317 421 858 -311 873 979 170 333 -198 -437 -118 117 140 -261 396 -159 -207 100 -372 -800 -95 -248 -207 -830 -349 -416 -229 -452 185 -817 -129 -821 344 -95 -37 -66 -90 284 37 320 31 164 106 547 24 442 -285 -60 -200 238 131 503 167 274 -621 -604 -481 -516 65 -391 -898 -586 -194 -360 -271 -240 313 -306 -264 -163 697 357 414 685 665 603 475 480 402 536 379 1398 1396 1328 356 -766 -50 76 230 829 -43 28 135 -164 249 -344 318 -85 -79 56 -751 -1341 -1707 -2420 -1057 -855 -867 -150 533 182 -32 801 440 303 983 402 349 923 228 -794 -311 -615 -942 383 -98 -1578 -924 -1260 -1284 694 882 171 139 136 25 212 1007 372 654 172 -473 -408 538 463 587 1197 -420 1154 1358 242 506 -301 -683 -191 190 240 -445 686 -280 -358 174 -625 -1315 SS 20211020T163713.8Z 7963.692520 315 1 5.33 2 66.19 126.10 115.29 302.91 0.00 1 0.00 1 0 17 2.416e-02 8.033e-03 1.637e-02 4.585e-03 3.071772e-01 2.382423e-03 3.616800e-03 -6.000000e+00 1.435133e-02 226.04 -2.00 3.44 -2.00 317.39 0.00e+00 5.688790e-04 3.617512e-04 1.202638e-04 -6.000000e+00 6.443604e-04 285.92 -2.00 20.00 -2.00 316.62 0.00e+00 2.458 0.000 302.00 328.00 3 3.9688e+00 6.2793e-03 2.8792e-02 -6.0000e+00 3.5439e-02 1.9991e-02 7.0686e-03 1.5417e-02 -6.0000e+00 3.8370e-02 2.9032e-03 4.2835e-03 7.5829e-03 -6.0000e+00 2.2956e-02 -6.2447e-03 2.1301e-03 2.1728e-03 -6.0000e+00 9.7551e-03 5.9846e-04 -6.1143e-05 1.4219e-04 2.7573e-05 -6.0000e+00 7.2758e-04 -4.9615e-03 0.0000e+00 12 9 1 12 9 1 81.32 22.42 0.40 -0.00496 -0.00542 3 9 1 5 0 1287.780 25.90 19.99 22.42 23.25 16.7 984.54 -7438 -4834 -5742 -3711 -4321 -2460 -1019 -1295 5292 -5190 4866 -9446 13218 -1631 1976 -3119 -957 5833 -1004 1475 959 -542 -2615 4843 371 1228 -1281 2950 -4327 3889 443 4845 -2079 4788 -3808 -1152 -2929 -3386 -921 1859 -2840 -1797 519 -1102 359 -69 -564 -410 -138 -2069 1114 158 1612 981 1587 635 443 71 -4 745 614 1838 1260 1868 520 -1271 -228 347 219 2714 773 -175 688 -304 136 -1481 -337 -350 -80 17 -908 -1785 -1145 -1988 -603 -1256 -671 -652 755 512 772 839 -390 5 446 428 646 604 411 -491 -187 -370 -1433 -255 153 -681 -807 -446 -646 476 416 -25 390 1 672 -35 964 -164 234 -64 -79 -146 93 91 157 891 155 1121 524 -60 281 -399 -488 628 -219 -52 -900 389 1 -24 161 201 -937 -675 -484 -614 -382 -412 -216 -90 -126 537 -631 550 -1267 1554 -233 316 -592 -192 1152 -223 332 223 -129 -645 1161 99 339 -368 788 -1177 950 116 1327 -665 1508 -1286 -368 -999 -1211 -382 885 -1470 -986 289 -637 206 -40 -325 -232 -77 -1183 643 98 985 639 1074 446 318 51 -3 525 441 1381 965 1528 444 -1063 -177 259 170 2261 680 -165 654 -284 119 -1286 -262 -275 -64 14 -793 -1751 -1140 -2118 -673 -1426 -803 -810 935 622 880 933 -404 6 452 474 751 738 541 -663 -241 -468 -1716 -301 190 -863 -1077 -623 -905 703 623 -38 594 1 943 -48 1299 -230 328 -96 -116 -225 139 133 217 1229 206 1460 720 -84 421 -596 -749 990 -350 -87 -1580 689 1 -43 275 330 -1516 SS 20211020T210235.3Z 7963.876798 493 1 48.82 2 50.75 202.55 132.43 18.56 0.00 1 0.00 1 0 17 2.452e-02 9.896e-03 5.669e-03 2.699e-03 1.991202e-01 1.415903e-03 2.360760e-03 -6.000000e+00 1.458254e-02 226.03 -2.00 3.44 -2.00 316.30 0.00e+00 2.674126e-04 1.635752e-04 3.214468e-05 -6.000000e+00 6.556900e-04 285.90 -2.00 20.00 -2.00 315.57 0.00e+00 1.577 0.000 302.00 328.00 3 6.1238e+00 3.6605e-03 1.8510e-02 -6.0000e+00 3.6010e-02 2.6209e-02 4.0843e-03 9.9476e-03 -6.0000e+00 3.9000e-02 1.4612e-02 2.3700e-03 4.8893e-03 -6.0000e+00 2.3314e-02 -9.4940e-03 1.1069e-03 1.3901e-03 -6.0000e+00 9.9719e-03 1.9489e-04 1.9376e-04 8.5018e-05 1.8760e-05 -6.0000e+00 7.4352e-04 -1.0284e-02 0.0000e+00 12 8 8 10 0 0 99.99 22.85 1.23 -0.01028 -0.00883 31 7 1 5 0 1572.950 26.21 20.00 22.85 25.03 16.7 995.93 900000 -1813 -5975 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