File name: Pandora104s1_Downsview_20200302_L2Fit_fwvt1c20d20191115p1-8.txt
File generation date: 20241127T040801.8Z
Data description: Level 2 spectral fitting results file
Data file version: fwvt1c20p1-8
Local principal investigator: Vitoli Fiolitov
Network principal investigator: Alexander Cede
Instrument type: Pandora
Instrument number: 104
Spectrometer number: 1
Processing software version used: BlickP v1.8.60
Instrument operation file used: Pandora104_OF_v6d20171009.txt
Instrument calibration file used: Pandora104s1_CF_v20d20191115.txt
Level 1 file used: Pandora104s1_Downsview_20200302_L1_smca1c20d20191115p1-8.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: 20200302
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: Based session 15 to update SO2 in VP 20191115"
First and last pixel inside fitting window: 1633 1783
Nominal wavelengths inside fitting window [nm]: 492.0388 492.1594 492.2799 492.4004 492.5209 492.6413 492.7618 492.8822 493.0026 493.1230 493.2434 493.3638 493.4841 493.6044 493.7248 493.8450 493.9653 494.0856 494.2058 494.3260 494.4463 494.5664 494.6866 494.8068 494.9269 495.0470 495.1671 495.2872 495.4073 495.5273 495.6474 495.7674 495.8874 496.0073 496.1273 496.2473 496.3672 496.4871 496.6070 496.7269 496.8467 496.9666 497.0864 497.2062 497.3260 497.4457 497.5655 497.6852 497.8050 497.9247 498.0443 498.1640 498.2837 498.4033 498.5229 498.6425 498.7621 498.8816 499.0012 499.1207 499.2402 499.3597 499.4792 499.5986 499.7181 499.8375 499.9569 500.0763 500.1956 500.3150 500.4343 500.5536 500.6729 500.7922 500.9115 501.0307 501.1499 501.2691 501.3883 501.5075 501.6266 501.7458 501.8649 501.9840 502.1031 502.2221 502.3412 502.4602 502.5792 502.6982 502.8172 502.9362 503.0551 503.1740 503.2929 503.4118 503.5307 503.6496 503.7684 503.8872 504.0060 504.1248 504.2435 504.3623 504.4810 504.5997 504.7184 504.8371 504.9558 505.0744 505.1930 505.3116 505.4302 505.5488 505.6673 505.7858 505.9044 506.0228 506.1413 506.2598 506.3782 506.4966 506.6151 506.7334 506.8518 506.9702 507.0885 507.2068 507.3251 507.4434 507.5616 507.6799 507.7981 507.9163 508.0345 508.1527 508.2708 508.3890 508.5071 508.6252 508.7433 508.8613 508.9794 509.0974 509.2154 509.3334 509.4514 509.5693 509.6873 509.8052 509.9231
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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 98-248: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting
Columns 249-399: 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 20200302T124453.9Z 7366.531179 438 1 49.73 2 81.54 108.12 113.59 25.50 0.00 1 0.00 1 0 15 2.743e-03 2.718e-03 6.830e-04 6.816e-04 5.061774e+03 4.088929e+01 3.588695e+02 -6.000000e+00 1.434336e+02 273.01 -2.00 20.00 -2.00 505.33 0.00e+00 1.913625e-03 1.817379e-05 1.044764e-04 -6.000000e+00 7.446617e-05 273.01 -2.00 20.00 -2.00 500.69 0.00e+00 6.806984e-01 1.320426e-02 4.297600e-02 -6.000000e+00 5.384544e-02 225.28 -2.00 3.57 -2.00 502.25 0.00e+00 6.404 0.005 489.00 513.00 1 6.7203e+00 1.0062e-03 9.9844e-03 -6.0000e+00 4.1094e-03 -2.5014e-02 2.5912e-04 1.0990e-03 -6.0000e+00 1.0759e-03 8.9084e-04 3.2508e-04 5.8342e-05 5.6660e-05 -6.0000e+00 2.4268e-04 4.5521e-03 -1.8269e-05 10 0 0 10 0 0 97.21 24.75 1.41 0.00455 0.00681 26 5 1 4 0 1912.530 24.75 15.00 21.66 -480 -567 -327 -170 -81 115 410 376 430 329 68 223 -312 -115 -252 14 -88 39 158 32 -106 384 379 272 373 411 302 69 -162 -451 -267 -1 -185 33 -120 -219 7 79 119 -13 140 -19 203 150 255 292 148 20 106 -49 -587 -546 -552 -524 -411 -269 -460 -92 -83 228 205 437 388 460 262 286 280 15 -67 -249 -193 -120 -30 -273 -120 -203 -299 152 -140 -308 -205 -345 -320 -375 -177 -66 -189 -153 -124 129 243 192 283 90 187 266 201 -5 -400 -143 -646 -200 -269 -246 -308 -505 -493 -278 -161 62 56 -82 132 53 370 412 666 510 291 156 161 435 275 365 236 53 170 243 69 240 71 -158 -125 23 -296 -72 -36 -167 -314 -13 -69 180 163 165 115 120 -269 -357 122 -225 -249 -429 -516 -306 -166 -81 117 403 374 428 325 69 226 -313 -113 -247 13 -87 40 157 32 -107 387 382 276 381 420 307 70 -162 -436 -264 -1 -186 32 -124 -228 7 81 120 -13 140 -19 207 155 266 306 155 21 108 -49 -575 -520 -517 -516 -393 -267 -471 -95 -86 235 211 452 404 480 273 294 283 15 -67 -244 -186 -115 -30 -269 -121 -204 -296 146 -133 -294 -194 -331 -309 -365 -174 -66 -189 -153 -123 128 243 193 291 89 194 269 199 -5 -380 -132 -591 -183 -252 -240 -300 -500 -486 -270 -162 62 57 -81 132 53 376 420 683 529 303 161 164 434 270 358 235 53 170 244 68 239 71 -158 -122 22 -284 -68 -35 -168 -320 -14 -72 189 172 175 123 128 -286 -372 123 -223 -249
SQ 20200302T125510.8Z 7366.538320 440 1 49.65 2 79.78 109.99 112.77 27.87 0.00 1 0.00 1 0 15 2.457e-03 2.450e-03 2.821e-04 2.817e-04 4.436076e+03 1.668432e+01 3.178696e+02 -6.000000e+00 1.284456e+02 273.01 -2.00 20.00 -2.00 505.32 0.00e+00 1.638816e-03 7.520775e-06 9.102243e-05 -6.000000e+00 6.668137e-05 273.01 -2.00 20.00 -2.00 500.66 0.00e+00 5.417253e-01 5.472492e-03 3.784051e-02 -6.000000e+00 4.821518e-02 225.28 -2.00 3.57 -2.00 502.23 0.00e+00 5.408 0.003 489.00 513.00 1 5.2766e+00 4.1707e-04 8.4859e-03 -6.0000e+00 3.6798e-03 -2.6398e-02 1.0782e-04 9.5881e-04 -6.0000e+00 9.6332e-04 4.4014e-03 1.6996e-04 2.4123e-05 4.9544e-05 -6.0000e+00 2.1731e-04 4.9450e-03 -1.5102e-05 10 0 0 10 0 0 99.72 24.65 1.41 0.00495 0.00612 110 23 1 4 0 451.300 24.65 15.00 21.64 -316 -322 -343 -80 -19 214 421 397 429 360 217 259 -155 -121 -186 -129 -110 -71 23 -80 -46 197 269 259 390 269 247 158 -136 -312 -239 8 -255 56 -19 -150 -137 45 55 -85 95 26 141 163 270 274 243 195 109 -129 -394 -417 -446 -464 -308 -248 -363 -162 -173 121 192 360 231 225 222 123 202 28 -46 -184 -223 -111 -98 -171 -87 -335 -330 45 -195 -194 -347 -272 -360 -328 -230 -133 -281 -132 -47 117 160 184 310 256 164 118 196 -66 -269 -246 -511 -279 -380 -286 -332 -559 -363 -251 -141 -4 92 -54 95 147 320 459 604 504 342 298 239 336 254 420 288 126 121 208 99 183 117 -138 -137 27 -152 -74 -24 -174 -184 -7 37 108 186 120 128 22 -92 -330 -172 -195 -96 -293 -304 -320 -78 -19 217 417 397 430 357 220 261 -154 -119 -181 -126 -108 -71 23 -81 -47 200 273 264 401 277 253 161 -137 -315 -235 7 -255 56 -20 -157 -142 46 56 -85 96 26 144 168 283 288 255 203 112 -129 -386 -397 -436 -453 -295 -247 -372 -168 -180 125 197 372 232 226 222 126 204 28 -46 -180 -215 -107 -95 -168 -87 -338 -326 43 -186 -184 -330 -262 -349 -319 -226 -133 -282 -133 -47 116 160 187 307 257 163 115 195 -64 -256 -230 -470 -257 -359 -281 -329 -563 -363 -247 -137 -4 91 -54 96 150 330 474 628 530 347 311 245 339 253 416 290 128 123 210 100 184 119 -139 -135 26 -147 -72 -23 -177 -189 -7 37 110 190 124 132 23 -95 -333 -176 -196 -96