File name: Pandora61s1_AldineTX_20250102_L2Fit_fwvt1c8d20241003p1-8.txt
File generation date: 20250103T063343.2Z
Data description: Level 2 spectral fitting results file
Data file version: fwvt1c8p1-8
Local principal investigator: James Flynn
Network principal investigator: Alexander Cede
Instrument type: Pandora
Instrument number: 61
Spectrometer number: 1
Processing software version used: BlickP v1.8.60
Instrument operation file used: Pandora61_OF_v5d20210204.txt
Instrument calibration file used: Pandora61s1_CF_v8d20241003.txt
Level 1 file used: Pandora61s1_AldineTX_20250102_L1_smca1c8d20241003p1-8.txt
Full location name: University Of Houston Trailer
Short location name: AldineTX
Country of location: United States
Location latitude [deg]: 29.9011
Location longitude [deg]: -95.3262
Location altitude [m]: 8
Local noon date: 20250102
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: 1682 1832
Nominal wavelengths inside fitting window [nm]: 492.0336 492.1544 492.2753 492.3961 492.5168 492.6376 492.7583 492.8791 492.9998 493.1205 493.2411 493.3618 493.4825 493.6031 493.7237 493.8443 493.9649 494.0854 494.2060 494.3265 494.4470 494.5675 494.6880 494.8085 494.9289 495.0493 495.1698 495.2901 495.4105 495.5309 495.6512 495.7716 495.8919 496.0122 496.1325 496.2527 496.3730 496.4932 496.6134 496.7336 496.8538 496.9740 497.0941 497.2142 497.3344 497.4545 497.5745 497.6946 497.8147 497.9347 498.0547 498.1747 498.2947 498.4146 498.5346 498.6545 498.7744 498.8943 499.0142 499.1341 499.2539 499.3738 499.4936 499.6134 499.7331 499.8529 499.9727 500.0924 500.2121 500.3318 500.4515 500.5711 500.6908 500.8104 500.9300 501.0496 501.1692 501.2887 501.4083 501.5278 501.6473 501.7668 501.8863 502.0058 502.1252 502.2446 502.3640 502.4834 502.6028 502.7222 502.8415 502.9608 503.0801 503.1994 503.3187 503.4379 503.5572 503.6764 503.7956 503.9148 504.0340 504.1531 504.2723 504.3914 504.5105 504.6296 504.7486 504.8677 504.9867 505.1057 505.2247 505.3437 505.4627 505.5816 505.7006 505.8195 505.9384 506.0572 506.1761 506.2949 506.4138 506.5326 506.6514 506.7701 506.8889 507.0076 507.1264 507.2451 507.3638 507.4824 507.6011 507.7197 507.8384 507.9570 508.0755 508.1941 508.3127 508.4312 508.5497 508.6682 508.7867 508.9051 509.0236 509.1420 509.2604 509.3788 509.4972 509.6156 509.7339 509.8522 509.9705
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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 101-251: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting
Columns 252-402: 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 20250102T161600.8Z 9133.677787 158 1 19.98 2 61.25 145.73 83.55 117.13 0.00 1 0.00 1 0 22 6.849e-03 6.787e-03 2.600e-03 2.593e-03 3.668136e+03 1.853538e+02 2.190970e+02 -6.000000e+00 4.416130e+02 285.46 -2.00 20.00 -2.00 505.25 0.00e+00 4.064462e-04 7.670635e-05 3.162178e-05 -6.000000e+00 2.057762e-04 285.46 -2.00 20.00 -2.00 500.37 0.00e+00 -6.183651e-02 5.490520e-02 3.360832e-02 -6.000000e+00 1.443638e-01 224.31 -2.00 3.24 -2.00 501.98 0.00e+00 2.069 0.000 489.00 513.00 1 7.7814e+00 4.2692e-03 4.1186e-03 -6.0000e+00 1.1211e-02 1.8943e-02 1.0321e-03 7.2755e-04 -6.0000e+00 2.7418e-03 6.0488e-04 1.4957e-03 3.7596e-04 1.4441e-05 -6.0000e+00 1.0484e-03 2.2176e-02 -1.5298e-04 12 9 9 12 1 1 -48.49 17.05 3.98 0.02218 0.03255 9 9 1 4 0 1996.980 21.38 15.00 17.05 18.00 30.1 930.89 523 49 -284 33 -95 1131 -630 -206 -965 -388 97 271 -163 -383 459 350 1219 5 -62 -1354 -824 -812 783 682 588 -377 -347 -1197 -91 916 1052 801 1112 -248 -497 -499 -15 631 488 230 -142 -347 -34 -223 784 -294 -88 -689 -375 -259 -280 392 452 1018 153 -248 -713 -533 -582 320 451 668 -1086 -1060 186 248 39 692 1088 367 672 -503 -273 110 -311 -924 -22 -688 -485 -72 277 444 -31 563 -372 181 -992 -293 327 1273 659 -130 -751 -850 -824 -1489 661 590 282 -466 445 690 676 -415 -1900 -1632 -481 1038 1236 750 -68 82 -77 490 318 379 394 241 -43 -977 -89 295 1734 2 -343 -283 521 -50 -372 -608 108 501 465 1799 1150 796 22 -446 -856 -639 -934 -704 -294 -458 -180 -1307 -139 -575 488 808 1440 506 48 -283 34 -99 1195 -688 -226 -1004 -423 104 287 -171 -398 472 361 1261 6 -67 -1414 -863 -854 812 709 612 -395 -361 -1240 -97 953 1081 825 1154 -250 -510 -517 -16 644 496 233 -144 -353 -35 -230 804 -305 -91 -707 -377 -255 -287 392 448 1006 155 -256 -707 -534 -587 321 453 670 -1109 -1079 186 245 38 706 1092 368 668 -505 -275 110 -315 -884 -22 -687 -479 -70 270 434 -31 558 -353 172 -958 -282 314 1216 637 -127 -743 -842 -811 -1455 621 579 273 -449 424 662 660 -393 -1857 -1607 -470 997 1183 722 -67 80 -76 488 319 383 398 244 -44 -988 -89 289 1662 2 -334 -276 502 -48 -360 -587 103 471 433 1646 1059 739 21 -429 -837 -630 -932 -705 -295 -460 -180 -1312 -136 -561 466 765 1355
SQ 20250102T171002.7Z 9133.715309 192 1 12.77 2 55.78 158.86 73.70 124.77 0.00 1 0.00 1 0 22 5.799e-03 5.728e-03 1.103e-03 1.100e-03 3.214387e+03 7.892142e+01 1.975379e+02 -6.000000e+00 3.738777e+02 285.46 -2.00 20.00 -2.00 505.28 0.00e+00 3.026413e-04 3.235530e-05 2.843294e-05 -6.000000e+00 1.742083e-04 285.46 -2.00 20.00 -2.00 500.41 0.00e+00 -2.195556e-01 2.321161e-02 2.809044e-02 -6.000000e+00 1.222055e-01 224.31 -2.00 3.24 -2.00 502.02 0.00e+00 1.773 0.000 489.00 513.00 1 5.9467e+00 1.7981e-03 3.5013e-03 -6.0000e+00 9.4908e-03 2.5280e-02 4.3696e-04 6.1849e-04 -6.0000e+00 2.3205e-03 4.0084e-03 1.7854e-03 1.6118e-04 1.4530e-05 -6.0000e+00 8.8774e-04 2.0818e-02 -1.3002e-04 12 9 9 12 1 1 99.39 17.30 3.72 0.02082 0.03320 43 59 1 4 0 290.080 21.58 15.00 17.30 19.68 30.2 943.44 1177 943 482 -212 -54 -25 -88 -416 -350 -525 -84 62 265 36 509 532 314 157 -412 -102 -276 78 87 479 -26 -116 -573 -719 -372 692 1391 1105 851 -244 -891 -1076 -547 -191 316 356 370 299 113 96 -383 -272 -516 -482 -521 -308 -56 494 886 582 280 -555 -838 -941 -379 -41 537 -6 -413 -669 -96 117 257 322 268 698 399 527 -61 -150 -812 -762 -471 158 181 232 233 2 240 32 50 -345 -98 -150 154 290 444 153 -386 -913 -1037 -763 -350 54 226 760 1015 858 210 -476 -1447 -1385 -619 161 1203 801 642 -118 -100 -227 23 154 -135 -242 -425 -88 363 828 730 578 -297 -75 161 -134 -38 -248 -363 -56 688 981 1507 1030 363 -427 -463 -825 -574 -318 -349 -429 -811 -1022 -648 177 811 1429 1014 1154 932 487 -221 -54 -26 -92 -441 -371 -554 -87 63 267 36 505 529 317 161 -431 -108 -295 83 93 511 -28 -124 -612 -759 -384 695 1373 1093 853 -252 -940 -1147 -581 -201 329 369 382 310 118 100 -406 -289 -545 -503 -536 -310 -55 475 887 556 271 -552 -849 -966 -390 -43 550 -6 -428 -692 -98 118 256 317 260 669 382 504 -59 -145 -794 -743 -454 150 170 218 219 2 227 30 48 -337 -96 -148 151 285 439 153 -389 -925 -1045 -757 -340 51 211 696 926 791 198 -461 -1439 -1390 -618 159 1174 787 634 -118 -101 -232 24 159 -133 -239 -439 -89 365 821 720 569 -294 -74 158 -132 -37 -243 -353 -54 650 919 1403 969 347 -417 -457 -827 -579 -322 -337 -415 -785 -985 -648 173 782 1361 970