File name: Pandora253s1_TucsonAZ_20260123_L2Fit_fout2c3d20231207p1-8.txt
File generation date: 20260124T074328.3Z
Data description: Level 2 spectral fitting results file
Data file version: fout2c3p1-8
Local principal investigator: Armin Sorooshian
Network principal investigator: Alexander Cede
Instrument type: Pandora
Instrument number: 253
Spectrometer number: 1
Processing software version used: BlickP v1.8.75
Instrument operation file used: Pandora253_OF_v3d20221208.txt
Instrument calibration file used: Pandora253s1_CF_v3d20231207.txt
Level 1 file used: Pandora253s1_TucsonAZ_20260123_L1_smca1c3d20231207p1-8.txt
Full location name: University of Arizona Department of Chemical and Environmental Engineering
Short location name: TucsonAZ
Country of location: United States
Location latitude [deg]: 32.2330
Location longitude [deg]: -110.9530
Location altitude [m]: 779
Local noon date: 20260123
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: Modification of session 2 "Clearance session based on OOB session1, absolute calibration done with an uncalibrated lamp, certificate of FEL1441 (GSFC) used""
First and last pixel inside fitting window: 192 334
Nominal wavelengths inside fitting window [nm]: 305.0168 305.1576 305.2984 305.4391 305.5798 305.7205 305.8612 306.0019 306.1426 306.2833 306.4240 306.5646 306.7052 306.8459 306.9865 307.1271 307.2677 307.4083 307.5488 307.6894 307.8299 307.9705 308.1110 308.2515 308.3920 308.5325 308.6729 308.8134 308.9539 309.0943 309.2347 309.3751 309.5156 309.6559 309.7963 309.9367 310.0771 310.2174 310.3577 310.4981 310.6384 310.7787 310.9190 311.0593 311.1995 311.3398 311.4800 311.6203 311.7605 311.9007 312.0409 312.1811 312.3212 312.4614 312.6016 312.7417 312.8818 313.0219 313.1620 313.3021 313.4422 313.5823 313.7223 313.8624 314.0024 314.1424 314.2825 314.4225 314.5624 314.7024 314.8424 314.9823 315.1223 315.2622 315.4021 315.5420 315.6819 315.8218 315.9617 316.1016 316.2414 316.3812 316.5211 316.6609 316.8007 316.9405 317.0802 317.2200 317.3598 317.4995 317.6392 317.7790 317.9187 318.0584 318.1981 318.3377 318.4774 318.6170 318.7567 318.8963 319.0359 319.1755 319.3151 319.4547 319.5943 319.7338 319.8734 320.0129 320.1524 320.2919 320.4314 320.5709 320.7104 320.8498 320.9893 321.1287 321.2681 321.4076 321.5470 321.6864 321.8257 321.9651 322.1045 322.2438 322.3831 322.5225 322.6618 322.8011 322.9404 323.0796 323.2189 323.3581 323.4974 323.6366 323.7758 323.9150 324.0542 324.1934 324.3326 324.4717 324.6109 324.7500 324.8891
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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
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SS 20260123T145707.7Z 9519.623005 55 1 54.72 2 84.20 117.23 117.59 68.51 0.00 1 0.00 1 0 25 5.883e-01 2.013e-02 4.188e-01 1.358e-02 9.035464e-01 8.443977e-03 9.316977e-03 -6.000000e+00 3.438376e-01 224.18 -2.00 3.29 -2.00 322.28 0.00e+00 7.704080e-03 5.088151e-03 7.622893e-03 -6.000000e+00 1.872631e-02 278.37 -2.00 20.00 -2.00 321.89 0.00e+00 8.798 0.009 302.00 328.00 3 5.8848e-01 3.3756e-02 1.0692e-01 -6.0000e+00 8.5602e-01 8.2978e-01 5.0210e-02 8.8191e-02 -6.0000e+00 9.3430e-01 -9.8186e-01 5.3114e-02 2.9991e-02 -6.0000e+00 5.5134e-01 3.8216e-01 2.3949e-02 1.4926e-02 -6.0000e+00 2.4263e-01 3.9533e-05 -5.5023e-04 4.0896e-04 1.3479e-04 -6.0000e+00 1.7087e-02 -3.7183e-02 0.0000e+00 12 8 8 10 0 0 99.15 25.24 0.69 -0.03718 -0.04132 61 6 1 5 0 897.010 32.75 19.99 25.24 21.39 4.2 920.13 900000 900000 -91479 900000 -259767 -92826 -246949 -254242 900000 -152423 900000 900000 900000 900000 -52148 900000 -88667 32213 900000 900000 -112592 40326 198101 900000 95670 -75272 47780 -50426 900000 -13099 -64970 900000 2539 59326 210427 -40436 16920 -53044 -17536 23689 43161 900000 115817 5902 55587 17764 16775 39679 -5243 37883 28593 35244 49037 7547 59953 38231 10481 32797 16499 34297 32591 29849 40610 7934 17955 24776 26078 -796 17961 27966 7153 11253 20695 7286 14792 14677 22377 4168 3029 10261 -5586 -11720 -5311 2879 6542 5798 1322 -194 2833 -809 -2727 -2914 3563 -4874 -4023 -2239 -3255 -2843 -2662 2155 -692 2487 980 1972 -1190 -3571 -1669 -2928 -1798 117 -2457 -2787 -647 104 -167 -1701 407 1661 1350 -1274 50 -341 1816 1794 1123 330 34 4399 1878 535 -349 865 59 1184 557 87 -638 1074 -1113 -1015 -216 -295 -17 900000 900000 -1208 900000 -6860 -1226 -4891 -5595 900000 -2013 900000 900000 900000 900000 -689 900000 -1464 425 900000 900000 -3244 533 2616 900000 1263 -1536 631 -787 900000 -173 -1404 900000 43 783 2779 -1116 264 -1847 -505 540 933 900000 1529 220 1268 597 584 1143 -252 1273 1167 1523 2060 525 2663 2203 818 2047 1169 1935 1839 1827 2535 800 1854 2498 2598 -107 2156 3458 1236 1999 3379 1294 2220 1956 2748 605 488 1843 -1431 -3776 -1837 1000 2324 2205 554 -86 1227 -357 -1163 -1166 1284 -1944 -1764 -1138 -1999 -2057 -2215 1832 -595 1902 673 1234 -784 -2574 -1247 -2378 -1590 116 -2893 -3714 -900 145 -229 -2288 528 2189 1880 -1911 74 -491 2425 2308 1411 405 41 5065 2460 833 -633 1725 128 2731 1392 234 -1791 3009 -3205 -2855 -567 -717 -39
SS 20260123T163908.5Z 9519.693849 110 1 54.66 2 66.65 134.29 97.18 83.00 0.00 1 0.00 1 0 25 1.611e-02 7.916e-03 1.106e-02 2.136e-03 3.015936e-01 1.085394e-03 3.394966e-03 -6.000000e+00 9.252733e-03 224.18 -2.00 3.29 -2.00 318.27 0.00e+00 3.879491e-04 2.002834e-04 8.515208e-05 -6.000000e+00 4.035713e-04 278.37 -2.00 20.00 -2.00 317.64 0.00e+00 2.505 0.000 302.00 328.00 3 4.2657e+00 2.8995e-03 2.6886e-02 -6.0000e+00 2.2841e-02 6.9293e-02 3.2920e-03 1.4405e-02 -6.0000e+00 2.4775e-02 -1.2206e-02 2.1821e-03 7.2095e-03 -6.0000e+00 1.4752e-02 -4.8992e-03 1.1372e-03 2.1678e-03 -6.0000e+00 6.4117e-03 5.1476e-04 5.0118e-04 6.3690e-05 2.3888e-05 -6.0000e+00 4.4608e-04 -3.8075e-02 0.0000e+00 11 8 0 10 0 0 99.99 25.24 0.41 -0.03808 -0.03431 131 12 1 5 0 417.180 32.75 19.99 25.24 22.03 4.2 924.08 900000 -6793 -6346 -4374 -6934 -2662 -2806 996 -3951 1078 -970 -3476 -2794 -3032 1008 -1144 1123 -1344 1246 -83 -146 -583 -2120 -68 691 1462 -2343 -1994 -1738 110 700 3162 1640 62 -1821 -299 473 -485 796 -1525 -2355 -456 -679 -659 -348 -543 -1329 -425 -644 627 984 1432 686 418 1328 1234 698 359 294 898 1645 2034 1603 1261 -102 -631 405 827 2482 1410 -285 -290 -98 -47 -509 -579 271 281 896 1543 -609 -1012 -1791 -1444 -1091 -923 -396 -837 -572 -398 -59 103 258 1730 1991 1061 498 446 -457 -752 -724 -420 725 1923 -230 -1286 -664 -958 -279 219 -312 -659 -737 -96 192 971 1426 1100 842 -89 -1030 -717 -87 -2 627 461 195 2059 1575 360 -26 -553 9 427 288 -481 -369 123 -426 -313 -218 -341 234 900000 -432 -429 -287 -424 -142 -151 57 -293 83 -78 -287 -248 -312 116 -153 159 -204 192 -13 -25 -99 -365 -12 128 284 -485 -400 -324 19 125 600 345 14 -421 -64 103 -120 232 -545 -966 -197 -305 -304 -160 -250 -614 -191 -285 272 439 682 353 228 753 720 418 218 176 524 958 1238 1065 913 -78 -472 277 535 1595 1010 -233 -255 -88 -41 -427 -445 185 177 554 1033 -473 -884 -1726 -1467 -1166 -960 -436 -968 -672 -461 -64 114 260 1604 1856 1082 569 517 -585 -999 -927 -547 859 2186 -281 -1715 -841 -1274 -387 321 -492 -1089 -1218 -150 277 1418 1986 1560 1261 -132 -1603 -1119 -132 -4 961 674 272 2722 2162 540 -41 -854 14 686 487 -869 -692 235 -833 -608 -409 -616 406