File name: Pandora236s1_NewLondonCT_20231018_L2Fit_fwvt1c4d20220606p1-8.txt
File generation date: 20240318T214924.5Z
Data description: Level 2 spectral fitting results file
Data file version: fwvt1c4p1-8
Local principal investigator: Brooke S.Stutzman
Network principal investigator: Alexander Cede
Instrument type: Pandora
Instrument number: 236
Spectrometer number: 1
Processing software version used: BlickP v1.8.59
Instrument operation file used: Pandora236_OF_v3d20220107.txt
Instrument calibration file used: Pandora236s1_CF_v4d20220606.txt
Level 1 file used: Pandora236s1_NewLondonCT_20231018_L1_smca1c4d20220606p1-8.txt
Full location name: United States Coast Guard Academy
Short location name: NewLondonCT
Country of location: United States
Location latitude [deg]: 41.3758
Location longitude [deg]: -72.1004
Location altitude [m]: 30
Local noon date: 20231018
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 3 "1.8 field calibration all gases" change in SO2
First and last pixel inside fitting window: 1613 1761
Nominal wavelengths inside fitting window [nm]: 492.1147 492.2362 492.3576 492.4791 492.6005 492.7219 492.8433 492.9647 493.0860 493.2073 493.3287 493.4500 493.5712 493.6925 493.8138 493.9350 494.0562 494.1774 494.2986 494.4198 494.5409 494.6620 494.7832 494.9043 495.0253 495.1464 495.2675 495.3885 495.5095 495.6305 495.7515 495.8724 495.9934 496.1143 496.2352 496.3561 496.4770 496.5979 496.7187 496.8395 496.9603 497.0811 497.2019 497.3227 497.4434 497.5641 497.6849 497.8055 497.9262 498.0469 498.1675 498.2881 498.4088 498.5293 498.6499 498.7705 498.8910 499.0115 499.1320 499.2525 499.3730 499.4935 499.6139 499.7343 499.8547 499.9751 500.0955 500.2158 500.3362 500.4565 500.5768 500.6971 500.8173 500.9376 501.0578 501.1780 501.2982 501.4184 501.5386 501.6587 501.7788 501.8990 502.0190 502.1391 502.2592 502.3792 502.4993 502.6193 502.7393 502.8592 502.9792 503.0991 503.2191 503.3390 503.4589 503.5787 503.6986 503.8184 503.9382 504.0581 504.1778 504.2976 504.4174 504.5371 504.6568 504.7765 504.8962 505.0159 505.1355 505.2551 505.3748 505.4944 505.6139 505.7335 505.8530 505.9726 506.0921 506.2116 506.3311 506.4505 506.5700 506.6894 506.8088 506.9282 507.0476 507.1669 507.2863 507.4056 507.5249 507.6442 507.7634 507.8827 508.0019 508.1211 508.2403 508.3595 508.4787 508.5978 508.7170 508.8361 508.9552 509.0743 509.1933 509.3124 509.4314 509.5504 509.6694 509.7884 509.9073
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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
Column 98: Temperature in head sensor [°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 101-249: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting
Columns 250-398: 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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SQ 20231018T111043.6Z 8691.465782 31 1 28.54 2 89.50 103.32 132.07 89.10 0.00 1 0.00 1 0 29 8.795e-03 8.690e-03 3.653e-04 3.635e-04 2.427895e+04 2.843783e+01 1.561778e+03 -6.000000e+00 5.044999e+02 283.47 -2.00 20.00 -2.00 505.45 0.00e+00 3.613576e-03 1.031011e-05 2.145815e-04 -6.000000e+00 2.505849e-04 283.47 -2.00 20.00 -2.00 501.05 0.00e+00 1.258834e+00 7.117853e-03 1.514370e-01 -6.000000e+00 1.771021e-01 225.61 -2.00 3.52 -2.00 502.54 0.00e+00 19.682 0.142 489.00 513.00 1 2.2887e+00 5.4524e-04 3.7378e-02 -6.0000e+00 1.3595e-02 -4.5391e-02 1.3474e-04 4.2344e-03 -6.0000e+00 3.5152e-03 1.0094e-02 2.8670e-03 3.3701e-05 1.6654e-04 -6.0000e+00 9.8220e-04 4.7421e-03 -3.4577e-05 12 9 9 12 1 1 52.31 24.06 4.22 0.00474 0.02463 105 33 1 4 0 269.240 26.32 20.00 24.06 18.55 12.3 972.87 -1562 -817 -92 562 1182 1618 1778 1550 1284 881 323 -283 -734 -754 -836 -619 -160 281 372 408 592 603 737 878 803 689 293 -508 -1152 -1443 -1315 -880 -171 294 115 141 -33 -253 -383 -333 -36 206 627 957 906 818 555 150 -444 -1162 -1540 -1699 -1466 -786 -325 209 481 641 764 963 1071 1000 970 797 384 145 -198 -576 -971 -978 -877 -717 -335 -335 -599 -972 -1121 -1289 -1389 -1256 -1008 -920 -722 -502 -628 -682 -645 -278 141 534 857 1174 1063 884 635 190 -396 -1244 -1977 -1907 -1523 -862 -239 -140 -242 -367 -522 -518 -392 -267 -29 283 729 1117 1508 1793 1503 924 452 292 297 547 1032 997 966 1133 882 575 378 -50 -511 -795 -1109 -1325 -985 -620 -123 771 1254 927 654 512 557 558 237 -255 -879 -1219 -1158 -1386 -739 -83 518 1112 1493 1662 1457 1204 821 299 -260 -696 -711 -764 -572 -150 269 363 402 586 579 710 851 783 673 285 -489 -1091 -1395 -1270 -832 -166 292 116 142 -33 -254 -383 -334 -37 204 626 965 920 832 562 150 -439 -1167 -1521 -1666 -1445 -761 -323 212 494 662 790 998 1079 1014 986 807 386 149 -201 -583 -976 -978 -878 -724 -340 -342 -613 -985 -1119 -1273 -1363 -1229 -989 -910 -722 -507 -620 -674 -635 -280 141 535 862 1182 1058 856 593 177 -358 -1113 -1765 -1713 -1402 -799 -232 -138 -245 -375 -535 -531 -405 -270 -29 290 744 1142 1552 1873 1600 965 470 308 308 559 1051 1023 1000 1179 924 604 397 -51 -516 -800 -1123 -1360 -1027 -639 -128 814 1341 1009 722 570 621 620 262 -280 -962 -1330 -1269
SQ 20231018T111338.7Z 8691.467809 35 1 51.14 2 88.96 103.80 131.55 89.58 0.00 1 0.00 1 0 29 8.777e-03 8.664e-03 1.693e-03 1.677e-03 2.197510e+04 1.304223e+02 1.420694e+03 -6.000000e+00 5.034578e+02 283.47 -2.00 20.00 -2.00 505.54 0.00e+00 3.452487e-03 4.761418e-05 2.033365e-04 -6.000000e+00 2.500639e-04 283.47 -2.00 20.00 -2.00 501.22 0.00e+00 1.264686e+00 3.259872e-02 1.460828e-01 -6.000000e+00 1.767186e-01 225.61 -2.00 3.52 -2.00 502.69 0.00e+00 18.544 0.119 489.00 513.00 1 5.1759e+00 2.4919e-03 3.4152e-02 -6.0000e+00 1.3566e-02 -4.7840e-02 6.1458e-04 4.0138e-03 -6.0000e+00 3.5071e-03 6.6518e-04 3.2580e-03 1.6040e-04 1.3852e-04 -6.0000e+00 9.8017e-04 4.9623e-03 -2.7239e-05 12 8 8 10 0 0 99.96 24.06 3.81 0.00496 0.02756 49 8 1 4 0 1043.590 26.32 20.00 24.06 18.69 12.2 973.01 -1489 -973 10 321 1158 1557 1307 1472 1510 775 285 -167 -767 -615 -894 -633 37 -18 430 380 496 712 1087 637 736 933 111 -376 -1034 -1638 -1386 -1244 -463 270 -42 251 151 132 -410 -222 412 217 571 749 1165 908 602 -26 -645 -1323 -1554 -1976 -1614 -872 -246 281 485 529 692 1164 1270 1136 781 716 510 263 -293 -597 -1301 -747 -765 -573 -891 -262 -668 -804 -808 -1492 -1056 -1074 -1039 -1260 -581 -362 -443 -773 -508 -437 432 256 937 1185 1041 667 324 525 -480 -1147 -1832 -1787 -1485 -620 -404 -133 -334 -484 -389 -614 -174 -351 -18 174 677 1084 1285 1722 1321 728 450 127 211 582 908 1173 707 1169 772 153 274 -181 -575 -932 -1183 -1356 -721 -161 -107 825 1308 934 595 316 529 717 463 -224 -1175 -1293 -1224 -1265 -845 9 294 1083 1389 1186 1338 1365 697 254 -148 -677 -540 -789 -565 33 -17 405 361 474 681 1042 618 718 907 108 -361 -975 -1528 -1291 -1179 -449 267 -42 253 151 131 -409 -222 413 220 587 780 1215 949 626 -27 -656 -1323 -1526 -1932 -1585 -871 -251 292 513 563 693 1163 1277 1149 794 724 511 261 -288 -583 -1268 -765 -739 -558 -880 -259 -660 -786 -777 -1428 -1000 -1016 -989 -1212 -561 -353 -436 -765 -499 -427 418 250 915 1159 1008 631 297 461 -438 -1032 -1645 -1614 -1295 -561 -384 -131 -339 -496 -398 -631 -179 -367 -19 184 715 1148 1373 1861 1454 809 498 139 226 614 957 1242 758 1255 835 166 281 -185 -584 -944 -1204 -1397 -753 -170 -115 899 1444 1050 678 364 608 820 527 -254 -1328 -1453 -1382