File name: Pandora66s1_HuntsvilleAL_20231030_L2Fit_fwvt1c3d20200122p1-8.txt
File generation date: 20231103T034849.8Z
Data description: Level 2 spectral fitting results file
Data file version: fwvt1c3p1-8
Local principal investigator: Michael Newchurch
Network principal investigator: Alexander Cede
Instrument type: Pandora
Instrument number: 66
Spectrometer number: 1
Processing software version used: BlickP v1.8.49
Instrument operation file used: Pandora66_OF_v5d20200114.txt
Instrument calibration file used: Pandora66s1_CF_v3d20200122.txt
Level 1 file used: Pandora66s1_HuntsvilleAL_20231030_L1_smca1c3d20200122p1-8.txt
Full location name: The University of Alabama in Huntsville- SWIRLL
Short location name: HuntsvilleAL
Country of location: United States
Location latitude [deg]: 34.7252
Location longitude [deg]: -86.6464
Location altitude [m]: 221
Local noon date: 20231030
Notes on s-number (L1 configuration): Corrections NOT applied although requested by the s-number are latency correction, matrix method stray light correction (replaced by simple method)
Data caveats: Modification of session 1, fieldcal refday 20200921
First and last pixel inside fitting window: 1678 1827
Nominal wavelengths inside fitting window [nm]: 492.1087 492.2293 492.3498 492.4704 492.5910 492.7115 492.8320 492.9525 493.0730 493.1935 493.3139 493.4344 493.5548 493.6752 493.7956 493.9159 494.0363 494.1566 494.2770 494.3973 494.5175 494.6378 494.7581 494.8783 494.9985 495.1187 495.2389 495.3591 495.4792 495.5994 495.7195 495.8396 495.9597 496.0797 496.1998 496.3198 496.4398 496.5598 496.6798 496.7998 496.9197 497.0397 497.1596 497.2795 497.3994 497.5192 497.6391 497.7589 497.8787 497.9985 498.1183 498.2381 498.3578 498.4776 498.5973 498.7170 498.8367 498.9563 499.0760 499.1956 499.3152 499.4348 499.5544 499.6740 499.7935 499.9130 500.0325 500.1520 500.2715 500.3910 500.5104 500.6298 500.7493 500.8686 500.9880 501.1074 501.2267 501.3460 501.4654 501.5846 501.7039 501.8232 501.9424 502.0616 502.1808 502.3000 502.4192 502.5383 502.6575 502.7766 502.8957 503.0148 503.1339 503.2529 503.3719 503.4910 503.6100 503.7289 503.8479 503.9668 504.0858 504.2047 504.3236 504.4425 504.5613 504.6802 504.7990 504.9178 505.0366 505.1554 505.2741 505.3929 505.5116 505.6303 505.7490 505.8677 505.9863 506.1049 506.2236 506.3422 506.4608 506.5793 506.6979 506.8164 506.9349 507.0534 507.1719 507.2904 507.4088 507.5272 507.6456 507.7640 507.8824 508.0008 508.1191 508.2374 508.3557 508.4740 508.5923 508.7105 508.8288 508.9470 509.0652 509.1834 509.3015 509.4197 509.5378 509.6559 509.7740 509.8921
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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 101-250: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting
Columns 251-400: 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 20231030T183438.1Z 8703.774053 474 1 51.10 2 50.95 200.28 121.90 351.04 0.00 1 0.00 1 0 15 3.253e-03 3.237e-03 1.150e-03 1.147e-03 4.934931e+03 7.311145e+01 3.333653e+02 -6.000000e+00 1.810508e+02 285.75 -2.00 20.00 -2.00 505.25 0.00e+00 4.532643e-04 3.164889e-05 3.961458e-05 -6.000000e+00 9.158998e-05 285.75 -2.00 20.00 -2.00 500.35 0.00e+00 -1.080167e-02 2.270022e-02 3.493047e-02 -6.000000e+00 6.414582e-02 225.58 -2.00 3.38 -2.00 501.95 0.00e+00 1.584 0.000 489.00 513.00 1 8.2496e+00 1.7396e-03 3.7925e-03 -6.0000e+00 4.9159e-03 1.0321e-02 4.5177e-04 8.2184e-04 -6.0000e+00 1.2872e-03 4.0563e-04 2.7472e-04 1.0922e-04 3.9406e-05 -6.0000e+00 3.2322e-04 1.0625e-02 -2.5416e-05 11 1 0 11 32 0 99.92 26.21 1.72 0.01063 0.01253 14 3 1 4 0 3648.840 26.21 20.00 22.86 16.68 36.6 942.93 325 -121 -17 -72 727 274 668 -8 187 301 213 -265 -100 415 -58 -455 2 -88 84 -160 -82 364 55 418 274 18 -219 -16 -427 -152 -266 177 -249 -229 23 -130 852 -23 -17 -194 9 -123 41 -109 -56 91 483 364 65 -251 -1001 -192 -510 -201 -318 -343 -98 117 137 -43 173 96 283 261 325 97 308 -243 -712 -618 -222 -296 94 -437 -319 156 -238 652 -174 -282 -379 -260 -261 -117 75 -311 -560 0 -138 -67 -72 168 -195 75 -77 350 -421 -124 -360 -400 -676 11 -237 260 -635 57 -294 163 -87 441 -703 -123 11 457 412 399 498 348 138 -50 315 74 415 283 430 403 601 231 347 330 170 188 -197 -70 -58 -438 -7 -318 197 445 28 363 447 -82 381 -536 -227 -84 -523 -130 315 -120 -17 -75 763 287 706 -8 198 313 219 -277 -103 419 -59 -468 2 -92 89 -171 -87 388 58 448 295 20 -234 -17 -436 -155 -270 180 -253 -241 24 -136 899 -24 -18 -200 10 -128 43 -114 -59 95 497 380 67 -251 -1005 -187 -496 -198 -314 -348 -101 121 142 -45 179 97 287 264 334 99 307 -241 -697 -597 -218 -286 92 -432 -317 152 -230 632 -168 -272 -368 -248 -251 -113 73 -307 -556 0 -136 -66 -72 165 -194 74 -75 343 -405 -119 -337 -369 -628 10 -225 256 -627 56 -288 156 -83 434 -689 -122 11 457 415 393 493 346 136 -50 309 72 398 272 415 389 580 223 334 317 162 180 -188 -66 -55 -419 -7 -308 193 439 27 354 437 -81 374 -526 -223 -81 -496 -123
SQ 20231030T193003.2Z 8703.812537 511 1 48.36 2 56.32 215.62 122.11 5.32 0.00 1 0.00 1 0 15 2.936e-03 2.930e-03 1.045e-03 1.042e-03 5.522114e+03 6.724882e+01 3.762086e+02 -6.000000e+00 1.633972e+02 285.75 -2.00 20.00 -2.00 505.26 0.00e+00 4.749591e-04 2.875141e-05 3.937990e-05 -6.000000e+00 8.266314e-05 285.75 -2.00 20.00 -2.00 500.37 0.00e+00 -5.010127e-03 2.062898e-02 3.746603e-02 -6.000000e+00 5.790393e-02 225.58 -2.00 3.38 -2.00 501.97 0.00e+00 1.797 0.000 489.00 513.00 1 7.9755e+00 1.5803e-03 4.1471e-03 -6.0000e+00 4.4373e-03 1.2084e-02 4.0987e-04 8.9817e-04 -6.0000e+00 1.1622e-03 5.1698e-04 2.3266e-04 9.8969e-05 4.3282e-05 -6.0000e+00 2.9171e-04 1.1298e-02 -4.5126e-05 10 0 0 10 0 0 99.83 26.21 1.57 0.01130 0.01291 21 4 1 4 0 2302.450 26.21 19.99 22.91 18.13 37.0 949.05 -251 -188 -252 8 647 412 690 -103 419 502 435 -8 -265 281 -54 -264 133 115 -9 -85 -142 88 -4 122 135 78 23 159 -358 -175 -159 -11 -386 -260 -256 -236 653 -58 -8 -104 241 20 132 -98 -156 -41 459 344 -107 -441 -777 -153 -377 -162 -64 -291 68 295 187 66 332 84 169 15 127 -200 207 -98 -502 -179 107 -302 112 -554 -133 -154 -423 607 -430 -498 -332 -282 -295 -387 -16 -298 -396 197 32 -69 180 211 -69 110 39 460 -223 -383 -349 -333 -610 -233 -98 128 -469 126 -149 49 57 296 -768 -4 -58 442 312 405 498 283 163 23 315 -188 296 596 230 415 151 79 220 194 -71 49 158 84 -99 -231 -12 -21 307 422 -94 299 216 -118 319 -423 -145 -90 -406 -107 -248 -185 -257 8 671 437 740 -109 450 530 454 -8 -269 289 -56 -268 136 121 -10 -90 -150 93 -4 129 144 83 24 165 -371 -177 -159 -12 -399 -270 -272 -251 683 -60 -9 -107 246 20 137 -104 -166 -43 481 355 -109 -449 -770 -147 -373 -158 -64 -291 69 302 191 68 339 87 174 15 129 -201 210 -98 -498 -174 104 -296 110 -541 -130 -153 -416 581 -411 -475 -318 -273 -287 -381 -15 -291 -388 192 31 -67 177 210 -70 110 38 442 -216 -362 -321 -310 -556 -216 -94 124 -468 126 -148 48 55 288 -763 -4 -57 436 310 404 499 285 163 23 305 -185 288 578 225 406 148 77 215 189 -69 47 148 78 -92 -218 -12 -20 296 412 -92 295 215 -118 318 -421 -141 -85 -390 -102