File name: Pandora37s1_HamptonVA_20180819_L2Fit_fwvt1c7d20170705p1-8.txt
File generation date: 20250819T090344.2Z
Data description: Level 2 spectral fitting results file
Data file version: fwvt1c7p1-8
Local principal investigator: David Flittner
Network principal investigator: Alexander Cede
Instrument type: Pandora
Instrument number: 37
Spectrometer number: 1
Processing software version used: BlickP v1.8.75
Instrument operation file used: Pandora37_OF_v2d20170619.txt
Instrument calibration file used: Pandora37s1_CF_v7d20170705.txt
Level 1 file used: Pandora37s1_HamptonVA_20180819_L1_smca1c7d20170705p1-8.txt
Full location name: Langley Research Center
Short location name: HamptonVA
Country of location: USA
Location latitude [deg]: 37.1036
Location longitude [deg]: -76.3868
Location altitude [m]: 4
Local noon date: 20180819
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: 1688 1839
Nominal wavelengths inside fitting window [nm]: 492.0832 492.2029 492.3226 492.4423 492.5619 492.6816 492.8012 492.9208 493.0404 493.1599 493.2795 493.3990 493.5185 493.6380 493.7575 493.8770 493.9964 494.1158 494.2352 494.3546 494.4740 494.5934 494.7127 494.8320 494.9513 495.0706 495.1899 495.3091 495.4283 495.5475 495.6667 495.7859 495.9051 496.0242 496.1433 496.2624 496.3815 496.5006 496.6196 496.7387 496.8577 496.9767 497.0957 497.2146 497.3336 497.4525 497.5714 497.6903 497.8092 497.9280 498.0469 498.1657 498.2845 498.4033 498.5220 498.6408 498.7595 498.8782 498.9969 499.1156 499.2343 499.3529 499.4715 499.5901 499.7087 499.8273 499.9458 500.0644 500.1829 500.3014 500.4198 500.5383 500.6567 500.7752 500.8936 501.0120 501.1303 501.2487 501.3670 501.4853 501.6036 501.7219 501.8402 501.9584 502.0767 502.1949 502.3131 502.4312 502.5494 502.6675 502.7857 502.9038 503.0218 503.1399 503.2580 503.3760 503.4940 503.6120 503.7300 503.8479 503.9659 504.0838 504.2017 504.3196 504.4375 504.5553 504.6732 504.7910 504.9088 505.0266 505.1443 505.2621 505.3798 505.4975 505.6152 505.7329 505.8506 505.9682 506.0858 506.2034 506.3210 506.4386 506.5562 506.6737 506.7912 506.9087 507.0262 507.1437 507.2611 507.3785 507.4960 507.6134 507.7307 507.8481 507.9654 508.0828 508.2001 508.3174 508.4346 508.5519 508.6691 508.7864 508.9036 509.0208 509.1379 509.2551 509.3722 509.4893 509.6064 509.7235 509.8406 509.9576
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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: Water vapor slant column amount [moles per square meter], -9e99=fitting not successful
Column 23: Independent uncertainty of water vapor 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 water vapor 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 water vapor 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 water vapor 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: Water vapor effective temperature [K]
Column 28: Independent uncertainty of water vapor 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 water vapor 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 water vapor 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 water vapor fitting wavelength [nm], -9=fitting not successful
Column 32: Diffuse correction applied before fitting at effective fitting wavelength for water vapor [%], 0=no diffuse correction applied or fitting not requested, >0=measured diffuse correction, <0=(negative value of) calculated diffuse correction
Column 33: Nitrogen dioxide slant column amount [moles per square meter], -9e99=fitting not successful
Column 34: Independent uncertainty of nitrogen 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 nitrogen 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 nitrogen 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 nitrogen 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: Nitrogen dioxide effective temperature [K]
Column 39: Independent uncertainty of nitrogen 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 nitrogen 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 nitrogen 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 nitrogen dioxide fitting wavelength [nm], -9=fitting not successful
Column 43: Diffuse correction applied before fitting at effective fitting wavelength for nitrogen dioxide [%], 0=no diffuse correction applied or fitting not requested, >0=measured diffuse correction, <0=(negative value of) calculated diffuse correction
Column 44: Ozone slant column amount [moles per square meter], -9e99=fitting not successful
Column 45: 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 46: 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 47: 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 48: 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 49: Ozone effective temperature [K]
Column 50: 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 51: 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 52: 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 53: Effective ozone fitting wavelength [nm], -9=fitting not successful
Column 54: 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 55: Molecular scattering air mass factor used for molecular scattering subtraction before the fitting
Column 56: Estimated uncertainty of molecular scattering air mass factor, -9=molecular scattering was not subtracted before the fitting
Column 57: Lower limit used for wavelength scaling [nm]
Column 58: Upper limit used for wavelength scaling [nm]
Column 59: Order of smoothing polynomial
Column 60: Smoothing polynomial coefficient, order 0
Column 61: Independent uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful
Column 62: Structured uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful
Column 63: Common uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful
Column 64: rms-based uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful
Column 65: Smoothing polynomial coefficient, order 1
Column 66: Independent uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful
Column 67: Structured uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful
Column 68: Common uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful
Column 69: rms-based uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful
Column 70: Mean value of measured data inside fitting window [same units as measurements]
Column 71: Wavelength change polynomial coefficient, order 0
Column 72: Independent uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful
Column 73: Structured uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful
Column 74: Common uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful
Column 75: rms-based uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful
Column 76: L1 based wavelength change coefficient, order 0, -9=no L1 wavelength change determination
Column 77: L1 based wavelength change coefficient, order 1, -9=no L1 wavelength change determination
Column 78: 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 79: 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 80: 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 81: 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 82: 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 83: 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 84: Atmospheric variability [%], 999=no atmospheric variability was determined
Column 85: Wavelength effective temperature [°C], 999=no effective temperature given
Column 86: Estimated average residual stray light level [%] (only valid for stray light correction methods 2 and higher)
Column 87: Retrieved wavelength shift from L1 data [nm], -9=no wavelength change determination
Column 88: Retrieved total wavelength shift [nm], -9=no wavelength change fitting
Column 89: Number of bright count cycles
Column 90: Number of dark count cycles
Column 91: Effective position of filterwheel #1, 0=filterwheel not used, 1-9 are valid positions
Column 92: Effective position of filterwheel #2, 0=filterwheel not used, 1-9 are valid positions
Column 93: Sum over 2^i, 0=spectra were interpolated in time, 1=spectra are corrected for off-target signal
Column 94: Integration time [ms]
Column 95: Temperature at electronics board [°C], 999=no temperature signal
Column 96: Spectrometer control temperature [°C], 999=no temperature signal
Column 97: Auxiliary spectrometer temperature [°C], 999=no temperature signal
Columns 98-249: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting
Columns 250-401: 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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SO 20180819T103125.0Z 6805.438484 1728 1 31.99 2 89.72 74.21 154.63 314.46 0.00 1 0.00 1 0 67 7.168e-01 4.263e-01 6.838e-01 4.950e-01 1.681539e+04 4.261899e+04 1.219944e+03 -6.000000e+00 4.154245e+04 292.04 -2.00 20.00 -2.00 505.08 0.00e+00 -7.083428e-03 1.400431e-02 3.518970e-04 -6.000000e+00 2.130253e-02 292.04 -2.00 20.00 -2.00 499.17 0.00e+00 -1.720105e+00 1.074525e+01 5.677928e-01 -6.000000e+00 1.491135e+01 231.31 -2.00 3.43 -2.00 500.85 0.00e+00 19.825 0.130 489.00 513.00 1 1.1086e+01 8.0995e-01 5.4380e-02 -6.0000e+00 1.1420e+00 2.7842e-01 2.1414e-01 8.0817e-03 -6.0000e+00 3.0398e-01 1.6041e-06 4.3412e-02 4.1125e-02 5.2256e-05 -6.0000e+00 7.5178e-02 -4.0449e-02 2.2709e-03 12 9 8 11 8 0 -121.23 22.11 39.76 -0.04045 0.26067 8 2 1 4 0 4000.000 26.73 20.01 22.11 900000 13063 28901 193045 -15910 -17265 -28537 49151 -3251 -13437 22022 67526 -17392 -38786 -9148 85035 117522 33627 51672 26813 50980 67477 30356 1587 38963 -26517 22517 8949 38096 27041 7577 20966 22589 -25679 -18990 900000 134636 1346 10031 -7814 13165 55850 143692 2988 29037 -33865 22584 28269 -18844 -14354 -47649 100733 900000 40476 -13621 57748 -29712 -8714 17445 -28139 51063 1159 43080 21268 50047 900000 34936 129610 -7575 172861 5494 211977 18903 138773 62396 -28274 57002 63757 77588 -28380 103101 9058 -18749 352275 26108 900000 34639 900000 900000 -21522 -15171 -4976 89260 51625 -6860 68800 -9230 33538 -2980 72032 -18284 -40808 82792 62965 131088 -30032 29043 1254 36782 72262 27135 -39819 17240 42234 -31871 -35783 900000 80085 28825 -10634 111779 37382 900000 63594 35714 45052 -52919 65607 1703 104106 -8499 175626 -27679 100593 47417 148643 55304 206512 97104 36490 40691 -34206 -23702 900000 -41776 20328 67751 900000 -5493 900000 900000 900000 900000 16263 30984 93466 -26410 -28660 -52305 40795 -4497 -20447 23610 46705 -26945 -76367 -13583 49405 56900 32562 41696 27695 41138 45738 29395 1998 32698 -41939 21803 10110 33200 27057 9294 22332 23332 -42272 -28809 900000 65186 1651 11332 -10593 14448 39659 69570 3472 25306 -53561 19682 22811 -24330 -18070 -86128 48771 900000 31356 -18026 37280 -46034 -10970 16892 -42688 34612 1272 30591 18535 32308 900000 25936 62752 -8802 83693 5674 102632 16474 67189 34238 -35934 31048 32798 37566 -37786 49918 8497 -23261 170559 20541 900000 25156 900000 900000 -26702 -16986 -4818 43217 26557 -6227 33311 -8659 21312 -2885 34875 -22685 -64213 40085 34296 63468 -40895 21971 1253 25600 34986 20528 -59042 14608 28116 -44363 -50891 900000 38774 20062 -10941 54119 23755 900000 30790 22695 25903 -80068 31765 1443 50405 -7973 85032 -32666 48704 27262 71968 30124 99986 47014 24292 25858 -42865 -26326 900000 -53540 13894 32802 900000 -5006 900000 900000 900000
SO 20180819T103324.0Z 6805.439861 1730 1 32.00 2 89.34 74.51 154.90 315.31 0.00 1 0.00 1 0 36 8.273e-01 4.873e-01 6.728e-01 4.729e-01 6.613900e+04 4.862885e+04 3.385084e+03 -6.000000e+00 4.793819e+04 292.04 -2.00 20.00 -2.00 505.25 0.00e+00 -1.132750e-02 1.367711e-02 6.386877e-04 -6.000000e+00 2.425824e-02 292.04 -2.00 20.00 -2.00 499.88 0.00e+00 9.351036e-01 1.008378e+01 3.871327e-01 -6.000000e+00 1.706861e+01 231.31 -2.00 3.43 -2.00 501.56 0.00e+00 19.175 0.118 489.00 513.00 1 1.0855e+01 7.4596e-01 4.8066e-02 -6.0000e+00 1.2942e+00 -1.7097e-02 2.0541e-01 8.1330e-03 -6.0000e+00 3.5351e-01 1.6923e-06 -1.1108e-02 2.5640e-02 2.3909e-04 -6.0000e+00 8.2692e-02 1.2268e-01 -2.6862e-03 12 9 8 11 8 0 76.67 22.12 23.35 0.12268 0.04563 8 2 1 4 0 4000.000 26.73 19.99 22.12 900000 900000 -23262 236352 -20222 12015 -31702 197205 96794 13174 30896 31248 11389 63816 183464 -39026 20977 291956 -28567 32033 -7444 67304 -23479 60842 85752 3532 45461 -12030 110869 900000 -48960 44995 1856 26778 14960 150370 -21 54855 169896 68322 197130 -39390 125157 32750 22998 102094 -21697 125407 90543 59629 -45600 130164 49587 -24953 -27957 110869 50304 43748 70195 58102 104623 -16370 68670 1595 7115 55146 -11747 59436 34187 61371 900000 19744 91383 57027 113031 -54926 900000 -5667 900000 185519 25589 34030 -20515 23431 23207 48313 -18967 -13841 900000 158626 117957 81702 41203 -20988 546 21082 -52307 23193 17869 63130 95738 -7538 321379 -3552 -33240 1865 -30017 43881 45464 70408 -22366 -12201 -23206 41883 38071 231478 20895 -18544 18725 57804 94545 8996 40365 10272 45317 900000 40171 900000 -29231 43023 32154 29224 -43574 154161 900000 82481 -34474 -23179 12386 9634 21675 30300 123784 49270 -50589 900000 83941 119961 46413 68783 23673 87692 900000 900000 -30753 109362 -26733 11913 -50293 91249 44788 14368 28592 28918 12798 42183 84891 -66212 20799 135091 -44061 27668 -9874 43599 -38385 43166 47614 4467 37863 -17813 51300 900000 -102698 36087 2233 24780 15690 69578 -27 42304 78613 46366 91214 -76550 57912 30308 23411 47240 -34803 58027 47481 42306 -91431 60228 36711 -37717 -42257 51300 34138 32388 41141 39430 48410 -23734 42366 1919 8121 39125 -16307 40336 29529 39756 900000 18881 42284 36942 52301 -110130 900000 -7167 900000 85841 21461 25588 -26104 18973 18792 30738 -24134 -17212 900000 73398 54580 40167 29789 -27920 584 18290 -92274 18110 13436 29211 44299 -5886 148705 -2671 -34606 1456 -35591 27918 31555 40723 -33634 -16583 -34898 32703 30828 107107 19337 -24668 16787 35105 43747 9626 32685 11288 34074 900000 29043 900000 -41422 29861 25106 23664 -73089 71332 900000 38165 -50845 -30835 11821 9752 20059 26288 57276 37046 -100516 900000 48550 55507 36635 43060 23196 45350