File name: Pandora207s1_ArlingtonTX_20221216_L2Fit_fwvt1c4d20221007p1-8.txt
File generation date: 20240212T210554.9Z
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_20221216_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: 20221216
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
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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: 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
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SQ 20221216T135055.5Z 8385.577031 220 1 27.96 2 85.90 121.20 32.84 213.32 0.00 1 0.00 1 0 22 5.155e-03 5.116e-03 1.284e-04 1.283e-04 6.642748e+03 8.237155e+00 4.433360e+02 -6.000000e+00 2.853293e+02 283.88 -2.00 20.00 -2.00 505.34 0.00e+00 3.153475e-03 3.554038e-06 1.720287e-04 -6.000000e+00 1.449836e-04 283.88 -2.00 20.00 -2.00 500.74 0.00e+00 8.075835e-01 2.496857e-03 5.538939e-02 -6.000000e+00 1.018540e-01 224.06 -2.00 3.32 -2.00 502.29 0.00e+00 11.271 0.020 489.00 513.00 1 1.2630e+00 1.9104e-04 1.7545e-02 -6.0000e+00 7.8015e-03 -1.8017e-02 4.9036e-05 1.4809e-03 -6.0000e+00 2.0423e-03 9.8962e-02 1.5552e-03 1.2113e-05 7.9121e-05 -6.0000e+00 5.0559e-04 5.0705e-03 -1.8464e-04 12 8 8 10 0 0 97.73 20.32 1.22 0.00507 0.01586 509 121 1 2 0 52.540 15.00 20.32 10.66 21.17 21.06 10.3 898.51 -1090 -923 -430 -164 233 538 641 548 405 239 102 -234 -622 -731 -789 -621 -307 40 202 337 492 402 448 669 711 794 777 268 -331 -534 -632 -615 -163 289 294 353 238 -56 -286 -248 -177 15 258 452 606 655 616 458 71 -418 -801 -1078 -1024 -634 -289 25 300 367 376 410 537 585 610 577 400 307 162 -72 -450 -520 -419 -339 -107 -8 -124 -262 -380 -659 -897 -811 -731 -748 -572 -340 -288 -323 -348 -395 -305 -130 208 449 468 565 603 359 -30 -593 -995 -1142 -848 -505 -16 21 120 22 -292 -367 -217 -86 82 340 539 730 929 1046 956 688 540 314 147 199 296 205 395 418 330 449 507 89 -32 -176 -531 -573 -362 -325 -148 109 151 192 314 356 396 316 38 -404 -789 -1013 -1034 -1008 -868 -402 -159 232 526 637 550 405 237 100 -226 -615 -715 -772 -612 -296 39 204 342 501 411 458 664 711 795 774 265 -330 -519 -609 -598 -162 287 299 361 241 -56 -286 -247 -177 15 264 469 613 663 640 471 72 -413 -773 -1061 -1006 -611 -287 26 301 371 379 414 543 596 623 588 404 305 165 -73 -448 -513 -413 -337 -107 -8 -122 -264 -377 -645 -874 -789 -717 -740 -569 -330 -283 -319 -343 -388 -300 -129 208 454 477 569 596 347 -29 -567 -936 -1069 -801 -490 -16 22 119 22 -295 -367 -217 -85 82 345 553 754 963 1061 977 703 547 323 149 201 299 209 403 428 339 460 519 91 -32 -175 -527 -568 -363 -323 -150 112 157 201 331 367 410 327 39 -424 -812 -1029 -1048
SQ 20221216T135123.6Z 8385.577356 220 2 27.80 2 85.82 121.27 32.89 213.51 0.00 1 0.00 1 0 22 5.409e-03 5.366e-03 1.510e-04 1.508e-04 6.470688e+03 9.697365e+00 4.287690e+02 -6.000000e+00 2.993792e+02 283.88 -2.00 20.00 -2.00 505.34 0.00e+00 3.172073e-03 4.166687e-06 1.727082e-04 -6.000000e+00 1.521033e-04 283.88 -2.00 20.00 -2.00 500.72 0.00e+00 7.846559e-01 2.931501e-03 5.522333e-02 -6.000000e+00 1.068389e-01 224.06 -2.00 3.32 -2.00 502.27 0.00e+00 11.121 0.019 489.00 513.00 1 1.5724e+00 2.2420e-04 1.7325e-02 -6.0000e+00 8.1838e-03 -1.7305e-02 5.7586e-05 1.4617e-03 -6.0000e+00 2.1416e-03 7.4330e-02 1.2515e-03 1.4261e-05 7.7777e-05 -6.0000e+00 5.3045e-04 1.6682e-03 -1.4433e-04 12 8 8 10 0 0 99.77 20.32 1.21 0.00167 0.01035 509 121 1 2 0 52.540 15.00 20.32 10.66 21.17 21.06 10.3 898.74 -1181 -974 -497 -175 275 539 646 571 435 218 84 -245 -645 -750 -784 -636 -327 53 225 339 489 410 443 671 719 805 800 303 -382 -600 -666 -681 -165 287 322 389 248 -58 -279 -238 -169 30 307 472 641 698 625 496 67 -469 -842 -1148 -1080 -704 -306 12 319 364 407 437 555 634 634 596 439 325 161 -72 -460 -556 -435 -347 -107 -47 -116 -301 -420 -699 -944 -883 -776 -793 -628 -327 -301 -311 -357 -400 -257 -141 235 502 518 611 605 370 -27 -640 -1051 -1196 -883 -510 0 47 114 21 -293 -391 -254 -98 76 354 572 775 997 1099 985 711 567 328 137 198 319 217 382 432 321 435 528 85 -44 -185 -562 -615 -373 -326 -131 100 180 207 331 385 397 346 41 -411 -801 -1064 -1065 -1095 -918 -464 -169 272 544 637 568 432 214 82 -245 -636 -732 -763 -624 -325 52 225 342 494 415 450 683 738 827 818 307 -378 -578 -637 -658 -162 292 324 393 248 -58 -286 -243 -167 30 310 483 662 721 641 503 67 -459 -834 -1121 -1053 -697 -300 12 326 375 419 450 573 659 661 619 452 330 162 -72 -452 -542 -423 -341 -106 -47 -116 -299 -411 -676 -909 -849 -751 -775 -617 -324 -302 -313 -358 -401 -258 -143 231 499 519 606 589 365 -26 -605 -978 -1107 -825 -489 0 46 114 21 -291 -385 -251 -98 78 365 575 783 1013 1126 1017 735 580 331 137 202 327 217 383 434 323 437 530 85 -43 -187 -566 -619 -366 -328 -134 103 189 212 341 399 413 360 42 -420 -832 -1090 -1090