File name: Pandora207s1_ArlingtonTX_20221224_L2Fit_fwvt1c4d20221007p1-8.txt File generation date: 20240212T212629.7Z Data description: Level 2 spectral fitting results file Data file version: fwvt1c4p1-8 Local principal investigator: Yang Li Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 207 Spectrometer number: 1 Processing software version used: BlickP v1.8.59 Instrument operation file used: Pandora207_OF_v5d20210722.txt Instrument calibration file used: Pandora207s1_CF_v4d20221007.txt Level 1 file used: Pandora207s1_ArlingtonTX_20221224_L1_smca1c4d20221007p1-8.txt Full location name: University Of Texas, Arlington Science Hall Short location name: ArlingtonTX Country of location: United States Location latitude [deg]: 32.7316 Location longitude [deg]: -97.1142 Location altitude [m]: 15 Local noon date: 20221224 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: 1614 1762 Nominal wavelengths inside fitting window [nm]: 492.0842 492.2059 492.3276 492.4493 492.5710 492.6927 492.8144 492.9360 493.0576 493.1792 493.3008 493.4224 493.5439 493.6655 493.7870 493.9085 494.0300 494.1514 494.2729 494.3943 494.5157 494.6371 494.7585 494.8799 495.0012 495.1226 495.2439 495.3652 495.4865 495.6077 495.7290 495.8502 495.9714 496.0926 496.2138 496.3350 496.4561 496.5773 496.6984 496.8195 496.9405 497.0616 497.1827 497.3037 497.4247 497.5457 497.6667 497.7876 497.9086 498.0295 498.1504 498.2713 498.3922 498.5131 498.6339 498.7547 498.8755 498.9963 499.1171 499.2379 499.3586 499.4793 499.6000 499.7207 499.8414 499.9621 500.0827 500.2033 500.3239 500.4445 500.5651 500.6856 500.8062 500.9267 501.0472 501.1677 501.2881 501.4086 501.5290 501.6494 501.7698 501.8902 502.0106 502.1309 502.2512 502.3716 502.4919 502.6121 502.7324 502.8526 502.9729 503.0931 503.2133 503.3334 503.4536 503.5737 503.6938 503.8139 503.9340 504.0541 504.1742 504.2942 504.4142 504.5342 504.6542 504.7741 504.8941 505.0140 505.1339 505.2538 505.3737 505.4936 505.6134 505.7332 505.8530 505.9728 506.0926 506.2124 506.3321 506.4518 506.5715 506.6912 506.8109 506.9305 507.0502 507.1698 507.2894 507.4090 507.5285 507.6481 507.7676 507.8871 508.0066 508.1261 508.2456 508.3650 508.4844 508.6038 508.7232 508.8426 508.9620 509.0813 509.2006 509.3199 509.4392 509.5585 509.6778 509.7970 509.9162 --------------------------------------------------------------------------------------- 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: 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: Temperature at electronics board 1 [°C], 999=no temperature signal Column 99: Temperature at electronics board 2 [°C], 999=no temperature signal Column 100: Humidity in head sensor [%], -9=no humidity signal Column 101: Pressure in head sensor [hPa], -9=no pressure signal Columns 102-250: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting Columns 251-399: 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 --------------------------------------------------------------------------------------- SQ 20221224T134932.4Z 8393.576070 53 1 19.84 2 86.91 120.51 103.49 113.91 0.00 1 0.00 1 0 22 5.248e-03 5.222e-03 1.148e-03 1.147e-03 4.739367e+03 7.113852e+01 3.245841e+02 -6.000000e+00 2.900802e+02 283.51 -2.00 20.00 -2.00 505.31 0.00e+00 2.285017e-03 3.170439e-05 1.221832e-04 -6.000000e+00 1.474999e-04 283.51 -2.00 20.00 -2.00 500.68 0.00e+00 1.040935e+00 2.232975e-02 4.000341e-02 -6.000000e+00 1.038550e-01 224.14 -2.00 3.32 -2.00 502.24 0.00e+00 13.338 0.033 489.00 513.00 1 4.9429e+00 1.7078e-03 2.0209e-02 -6.0000e+00 7.9512e-03 3.4727e-03 4.4149e-04 1.3729e-03 -6.0000e+00 2.0856e-03 1.8560e-03 1.8080e-03 1.0906e-04 5.7565e-05 -6.0000e+00 5.1489e-04 2.5323e-02 -4.1683e-04 12 9 9 12 1 1 90.32 19.42 1.15 0.02532 0.03786 6 5 1 2 0 2808.690 14.98 19.42 2.26 20.46 20.56 10.2 849.85 -1022 -1053 -553 -224 102 586 651 367 489 43 46 -80 -638 -701 -837 -771 -206 -48 218 412 788 455 463 386 856 790 952 239 -386 -620 -900 -495 -350 354 266 293 360 42 -375 -172 -354 -73 227 606 770 707 654 399 -153 -484 -1016 -712 -1100 -552 -444 108 121 318 198 478 362 401 847 641 557 313 449 -37 -442 -423 -567 -327 -46 36 -64 -190 -245 -594 -762 -639 -614 -715 -475 -481 -149 -429 -229 -408 -264 -70 38 593 604 549 737 381 68 -594 -897 -938 -758 -701 -75 54 221 149 -175 -523 -115 -210 -195 440 538 661 739 1118 854 619 347 127 98 212 63 217 135 434 399 416 462 -16 173 -201 -597 -604 -598 -384 -181 121 241 -65 309 281 542 503 323 -450 -728 -1070 -983 -953 -998 -523 -220 99 581 658 365 499 44 46 -79 -623 -676 -807 -747 -202 -48 217 415 793 461 470 393 875 810 971 242 -382 -615 -886 -490 -343 357 269 298 362 42 -383 -175 -361 -73 230 619 793 729 671 405 -153 -487 -999 -685 -1058 -537 -445 108 124 326 204 488 371 415 875 643 569 317 447 -36 -432 -420 -547 -318 -45 36 -64 -187 -238 -570 -748 -626 -589 -694 -463 -474 -148 -430 -229 -408 -263 -70 37 591 608 550 725 379 66 -566 -862 -895 -729 -673 -74 54 223 149 -174 -517 -114 -210 -194 441 546 676 760 1155 889 645 359 130 99 211 63 219 136 439 404 421 467 -16 172 -198 -585 -590 -591 -387 -181 123 247 -68 322 294 556 517 330 -468 -743 -1076 -984 SQ 20221224T135547.4Z 8393.580410 56 1 50.50 2 85.79 121.39 102.35 114.61 0.00 1 0.00 1 0 22 4.583e-03 4.547e-03 1.319e-04 1.317e-04 4.193738e+03 8.140521e+00 2.787813e+02 -6.000000e+00 2.533514e+02 283.51 -2.00 20.00 -2.00 505.32 0.00e+00 1.948550e-03 3.633250e-06 1.051299e-04 -6.000000e+00 1.288014e-04 283.51 -2.00 20.00 -2.00 500.65 0.00e+00 8.695318e-01 2.566009e-03 3.712903e-02 -6.000000e+00 9.065681e-02 224.14 -2.00 3.32 -2.00 502.21 0.00e+00 11.072 0.019 489.00 513.00 1 1.9300e+00 1.9622e-04 1.6594e-02 -6.0000e+00 6.9415e-03 -2.3939e-03 5.0697e-05 1.1758e-03 -6.0000e+00 1.8194e-03 5.3146e-02 1.5157e-03 1.2531e-05 4.8987e-05 -6.0000e+00 4.4956e-04 5.6378e-03 -2.5533e-04 11 8 0 10 0 0 93.49 19.42 0.95 0.00564 0.01615 596 142 1 2 0 81.160 14.98 19.42 2.79 20.46 20.56 10.0 851.10 -1003 -842 -422 -191 148 448 533 443 325 153 78 -218 -572 -672 -701 -570 -301 34 195 310 411 349 362 579 641 721 753 294 -296 -465 -564 -553 -168 299 260 357 261 -68 -264 -229 -184 0 192 370 533 596 566 433 122 -357 -697 -997 -962 -608 -296 -3 251 336 290 341 424 519 541 523 411 303 189 -28 -392 -499 -353 -309 -90 22 -43 -200 -282 -540 -755 -709 -645 -658 -516 -268 -228 -227 -296 -347 -263 -162 131 405 406 464 550 315 -12 -496 -822 -1008 -758 -424 35 48 133 101 -242 -350 -228 -152 19 248 407 575 802 887 860 598 501 310 131 161 274 167 317 369 278 426 544 119 3 -105 -459 -544 -340 -322 -171 27 120 132 260 332 343 298 32 -352 -711 -888 -967 -940 -800 -397 -187 148 441 534 448 328 153 77 -212 -572 -665 -692 -566 -292 34 198 318 423 360 374 600 668 752 781 302 -297 -454 -545 -539 -167 307 265 364 264 -68 -263 -235 -183 0 195 380 552 618 583 441 122 -362 -690 -970 -933 -597 -288 -3 255 344 297 349 435 535 560 540 421 306 188 -28 -383 -482 -340 -300 -88 22 -43 -197 -273 -517 -720 -676 -619 -638 -503 -264 -227 -227 -296 -347 -264 -163 133 402 407 462 539 314 -12 -473 -769 -938 -711 -407 35 48 134 101 -240 -343 -224 -152 19 254 407 579 812 903 881 612 507 310 134 163 277 170 314 367 276 423 539 117 3 -104 -455 -538 -340 -318 -173 28 124 137 272 339 351 306 33 -367 -727 -894 -970