File name: Pandora122s1_Downsview_20221115_L2Fit_fwvt1c1d20220801p1-8.txt
File generation date: 20260318T005222.1Z
Data description: Level 2 spectral fitting results file
Data file version: fwvt1c1p1-8
Local principal investigator: Vitali Fioletov
Network principal investigator: Alexander Cede
Instrument type: Pandora
Instrument number: 122
Spectrometer number: 1
Processing software version used: BlickP v1.8.88
Instrument operation file used: Pandora122_OF_v6d20161030.txt
Instrument calibration file used: Pandora122s1_CF_v1d20220801.txt
Level 1 file used: Pandora122s1_Downsview_20221115_L1_smca1c1d20220801p1-8.txt
Full location name: Environment Canada HQ - Downsview
Short location name: Downsview
Country of location: Canada
Location latitude [deg]: 43.7810
Location longitude [deg]: -79.4680
Location altitude [m]: 187
Local noon date: 20221115
Notes on s-number (L1 configuration): Corrections NOT applied although requested by the s-number are latency correction, radiometric temperature correction, matrix method stray light correction (replaced by simple method)
Data caveats: None
First and last pixel inside fitting window: 1652 1801
Nominal wavelengths inside fitting window [nm]: 492.1089 492.2301 492.3513 492.4725 492.5936 492.7148 492.8359 492.9570 493.0781 493.1992 493.3202 493.4412 493.5623 493.6833 493.8043 493.9252 494.0462 494.1671 494.2880 494.4090 494.5298 494.6507 494.7716 494.8924 495.0132 495.1340 495.2548 495.3756 495.4963 495.6171 495.7378 495.8585 495.9792 496.0998 496.2205 496.3411 496.4617 496.5823 496.7029 496.8235 496.9440 497.0646 497.1851 497.3056 497.4261 497.5465 497.6670 497.7874 497.9078 498.0282 498.1486 498.2690 498.3893 498.5096 498.6300 498.7502 498.8705 498.9908 499.1110 499.2313 499.3515 499.4717 499.5918 499.7120 499.8321 499.9523 500.0724 500.1925 500.3125 500.4326 500.5526 500.6726 500.7927 500.9126 501.0326 501.1526 501.2725 501.3924 501.5123 501.6322 501.7521 501.8719 501.9918 502.1116 502.2314 502.3512 502.4709 502.5907 502.7104 502.8301 502.9498 503.0695 503.1892 503.3088 503.4284 503.5481 503.6677 503.7872 503.9068 504.0263 504.1459 504.2654 504.3849 504.5043 504.6238 504.7432 504.8627 504.9821 505.1014 505.2208 505.3402 505.4595 505.5788 505.6981 505.8174 505.9367 506.0559 506.1752 506.2944 506.4136 506.5328 506.6519 506.7711 506.8902 507.0093 507.1284 507.2475 507.3665 507.4856 507.6046 507.7236 507.8426 507.9616 508.0805 508.1995 508.3184 508.4373 508.5562 508.6751 508.7939 508.9128 509.0316 509.1504 509.2692 509.3879 509.5067 509.6254 509.7441 509.8628 509.9815
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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
Columns 98-247: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting
Columns 248-397: 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 20221115T181438.1Z 8354.760163 437 1 6.14 2 64.55 198.95 89.74 299.19 0.00 1 0.00 1 0 15 4.594e-03 4.599e-03 3.040e-03 3.036e-03 1.662183e+03 1.755919e+02 1.064292e+02 -6.000000e+00 2.522249e+02 277.12 -2.00 20.00 -2.00 505.27 0.00e+00 9.394006e-04 8.262539e-05 5.422367e-05 -6.000000e+00 1.276901e-04 277.12 -2.00 20.00 -2.00 500.49 0.00e+00 1.919394e-01 5.972355e-02 1.837375e-02 -6.000000e+00 9.099510e-02 222.56 -2.00 3.57 -2.00 502.08 0.00e+00 2.312 0.000 489.00 513.00 1 -1.7923e+00 4.5756e-03 3.7895e-03 -6.0000e+00 6.9734e-03 -1.3532e-03 1.1767e-03 4.0521e-04 -6.0000e+00 1.7977e-03 8.2835e+00 7.4167e-04 3.0934e-04 2.3638e-05 -6.0000e+00 4.7980e-04 -2.2127e-03 -3.3588e-05 12 9 9 12 33 1 999.00 22.18 1.68 -0.00221 0.00293 1 3 1 4 0 2989.439 27.35 20.00 22.18 -864 -571 -327 22 -39 989 504 -134 1070 426 -240 240 47 11 -882 -662 273 -135 438 -21 69 476 174 832 -71 304 -27 -441 -255 -840 231 -302 -193 78 -212 68 33 437 77 -112 240 284 -705 779 788 369 364 -414 142 220 -22 -1476 -599 -502 123 -117 750 -312 361 -646 601 298 490 430 -372 283 366 -1315 219 -44 -300 -622 -105 -296 -338 -189 -13 212 -160 -681 -345 -630 -440 146 -99 170 -56 190 -589 -97 134 285 -42 642 -130 -24 115 -713 37 -407 -617 -281 -102 -143 -586 -223 -983 -454 391 656 183 -290 369 -56 517 819 624 928 161 181 152 745 1096 42 353 313 320 34 94 163 -75 147 -467 -583 140 -57 -394 -418 410 -314 165 -20 -77 452 64 -45 -700 50 -520 4 -847 -571 -328 22 -40 1033 523 -140 1105 448 -249 245 47 11 -887 -669 279 -139 455 -22 73 500 184 876 -74 315 -29 -458 -257 -851 229 -304 -195 81 -220 70 34 452 79 -115 246 294 -727 801 814 383 373 -422 144 222 -22 -1450 -582 -496 121 -118 767 -317 364 -659 607 303 497 435 -375 286 364 -1312 213 -43 -296 -605 -103 -294 -336 -186 -13 206 -155 -664 -337 -608 -428 143 -98 168 -56 189 -577 -95 132 286 -43 645 -130 -23 112 -688 35 -387 -579 -269 -99 -142 -579 -224 -978 -445 380 641 183 -289 369 -57 524 832 622 939 162 179 149 734 1077 40 344 306 312 33 92 161 -73 141 -445 -554 133 -56 -382 -413 406 -316 166 -20 -77 448 63 -44 -689 48 -494 3
SQ 20221115T182045.5Z 8354.764415 440 1 4.99 2 64.92 200.50 90.68 300.20 0.00 1 0.00 1 0 15 2.524e-03 2.516e-03 1.310e-03 1.309e-03 1.665035e+03 7.578706e+01 1.193239e+02 -6.000000e+00 1.385767e+02 277.12 -2.00 20.00 -2.00 505.28 0.00e+00 8.314841e-04 3.563126e-05 4.831672e-05 -6.000000e+00 7.015550e-05 277.12 -2.00 20.00 -2.00 500.52 0.00e+00 1.483752e-01 2.576267e-02 1.565792e-02 -6.000000e+00 4.995395e-02 222.56 -2.00 3.57 -2.00 502.10 0.00e+00 2.344 0.000 489.00 513.00 1 -3.1357e+00 1.9735e-03 3.7103e-03 -6.0000e+00 3.8288e-03 -1.4679e-03 5.0683e-04 3.7863e-04 -6.0000e+00 9.8594e-04 3.1756e+01 -4.7107e-04 1.3351e-04 2.3327e-05 -6.0000e+00 2.6343e-04 -6.8982e-03 5.8481e-05 12 1 1 12 1 1 98.53 22.18 1.80 -0.00690 -0.01017 5 12 1 4 0 804.209 27.35 20.00 22.18 -421 -249 -182 -4 100 385 337 180 363 542 44 60 -95 2 -187 -108 -333 82 -38 65 -205 76 169 436 388 164 -156 31 107 -369 -267 23 82 299 2 -145 -305 66 274 -107 180 32 328 370 193 167 48 4 -226 -293 -683 -1077 -727 -300 49 -144 -219 57 225 145 196 264 521 188 -17 -110 -281 -228 137 47 -206 -182 -249 -136 -18 23 -32 85 -141 -86 -301 306 -46 108 -18 -264 3 -60 -154 87 -165 -65 -180 158 111 43 -21 -19 -198 -233 -407 -173 -135 -229 -440 -244 -390 -23 -22 -13 -83 133 224 196 285 322 119 272 405 74 348 735 347 323 275 172 38 189 114 -30 73 -78 -241 -374 -244 -14 8 -252 -16 -128 -239 122 289 201 -83 -55 93 -102 -65 -63 -414 -245 -181 -4 103 396 352 189 378 557 45 61 -96 2 -189 -108 -341 84 -39 67 -213 79 176 454 405 171 -162 32 108 -371 -266 23 83 306 3 -152 -317 68 282 -110 185 33 337 385 202 175 50 5 -231 -292 -677 -1052 -706 -295 49 -147 -223 58 229 148 200 270 533 192 -18 -110 -282 -226 134 47 -203 -177 -246 -135 -17 23 -31 82 -136 -84 -293 299 -45 106 -17 -259 3 -59 -151 86 -162 -65 -181 158 110 43 -21 -18 -187 -222 -383 -166 -132 -226 -440 -243 -382 -23 -22 -12 -82 134 224 197 289 321 119 271 406 73 344 718 341 319 272 170 37 186 112 -30 71 -75 -231 -358 -235 -13 7 -247 -16 -128 -237 121 286 200 -82 -55 90 -99 -62 -61