File name: Pandora208s1_Windsor-West_20250521_L2Fit_fwvt1c4d20220407p1-8.txt
File generation date: 20250522T053659.9Z
Data description: Level 2 spectral fitting results file
Data file version: fwvt1c4p1-8
Local principal investigator: Vitali Fioletov
Network principal investigator: Alexander Cede
Instrument type: Pandora
Instrument number: 208
Spectrometer number: 1
Processing software version used: BlickP v1.8.75
Instrument operation file used: Pandora208_OF_v4d20211014.txt
Instrument calibration file used: Pandora208s1_CF_v4d20220407.txt
Level 1 file used: Pandora208s1_Windsor-West_20250521_L1_smca1c4d20220407p1-8.txt
Full location name: Ontario Ministry of the Environment, Windsor West
Short location name: Windsor-West
Country of location: Canada
Location latitude [deg]: 42.2929
Location longitude [deg]: -83.0731
Location altitude [m]: 180
Local noon date: 20250521
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: 1623 1772
Nominal wavelengths inside fitting window [nm]: 492.0606 492.1820 492.3034 492.4247 492.5461 492.6674 492.7888 492.9101 493.0314 493.1527 493.2739 493.3952 493.5164 493.6376 493.7588 493.8800 494.0011 494.1223 494.2434 494.3645 494.4856 494.6067 494.7277 494.8488 494.9698 495.0908 495.2118 495.3328 495.4537 495.5747 495.6956 495.8165 495.9374 496.0583 496.1791 496.3000 496.4208 496.5416 496.6624 496.7832 496.9039 497.0247 497.1454 497.2661 497.3868 497.5075 497.6282 497.7488 497.8694 497.9900 498.1106 498.2312 498.3518 498.4723 498.5928 498.7133 498.8338 498.9543 499.0748 499.1952 499.3156 499.4360 499.5564 499.6768 499.7972 499.9175 500.0378 500.1581 500.2784 500.3987 500.5190 500.6392 500.7594 500.8796 500.9998 501.1200 501.2402 501.3603 501.4804 501.6005 501.7206 501.8407 501.9607 502.0808 502.2008 502.3208 502.4408 502.5608 502.6807 502.8007 502.9206 503.0405 503.1604 503.2802 503.4001 503.5199 503.6398 503.7596 503.8793 503.9991 504.1189 504.2386 504.3583 504.4780 504.5977 504.7174 504.8370 504.9567 505.0763 505.1959 505.3155 505.4350 505.5546 505.6741 505.7936 505.9131 506.0326 506.1521 506.2715 506.3909 506.5104 506.6297 506.7491 506.8685 506.9878 507.1072 507.2265 507.3458 507.4650 507.5843 507.7035 507.8228 507.9420 508.0612 508.1804 508.2995 508.4187 508.5378 508.6569 508.7760 508.8950 509.0141 509.1331 509.2522 509.3712 509.4902 509.6091 509.7281 509.8470 509.9659
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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 20250521T151411.9Z 9272.634859 287 1 46.32 2 35.82 117.27 60.89 225.24 0.00 1 0.00 1 0 15 3.017e-03 3.012e-03 1.400e-03 1.394e-03 2.114252e+03 8.643736e+01 1.567114e+02 -6.000000e+00 1.717188e+02 282.45 -2.00 20.00 -2.00 505.24 0.00e+00 3.074396e-04 3.853220e-05 2.010764e-05 -6.000000e+00 8.542545e-05 282.45 -2.00 20.00 -2.00 500.27 0.00e+00 -7.346523e-03 2.830833e-02 1.495657e-02 -6.000000e+00 6.073732e-02 231.33 -2.00 3.53 -2.00 501.88 0.00e+00 1.232 0.000 489.00 513.00 1 6.7484e+00 2.1720e-03 2.1991e-03 -6.0000e+00 4.6625e-03 9.5985e-03 5.5801e-04 3.7467e-04 -6.0000e+00 1.1980e-03 1.9230e-03 3.8879e-04 1.4830e-04 1.7289e-05 -6.0000e+00 3.3042e-04 -2.4037e-03 -6.1242e-05 10 0 0 10 0 0 99.86 19.41 1.49 -0.00240 0.00029 22 6 1 4 0 2105.170 22.80 15.00 19.41 18.23 21.7 1016.79 -595 -178 -288 -12 47 343 530 656 413 269 219 36 -235 -107 -175 -211 -257 -206 307 200 179 278 269 350 226 278 32 58 -160 -160 -652 -134 -150 197 -1 64 38 89 -122 -315 -17 20 276 491 -40 232 215 3 -388 -698 -537 -582 -868 -878 -359 -535 -60 169 242 59 421 361 485 227 554 186 121 -163 -49 -168 -46 -339 -237 -202 -203 -6 -133 -165 -243 -395 82 -312 -263 -94 81 116 -153 74 3 -3 -50 343 121 197 380 170 -64 -428 46 -406 -487 -510 -79 -166 -369 -151 -251 -379 -456 -232 -242 151 42 607 231 576 161 429 462 198 117 60 399 246 -80 249 206 52 378 307 -207 -95 -225 -51 -260 -177 62 -120 -30 68 222 3 439 -71 408 -203 -85 -278 -170 15 -581 -176 -291 -13 51 358 561 699 441 284 228 37 -239 -113 -183 -222 -261 -214 324 215 193 299 290 377 245 301 35 62 -166 -162 -653 -133 -152 206 -1 69 41 95 -129 -329 -18 21 292 523 -43 249 230 3 -403 -709 -531 -563 -834 -852 -355 -544 -62 176 252 61 437 377 506 237 571 190 121 -162 -48 -163 -44 -330 -232 -200 -202 -6 -129 -158 -232 -376 78 -300 -255 -92 80 110 -146 71 3 -2 -48 336 119 195 371 164 -60 -396 43 -378 -455 -465 -74 -161 -363 -148 -245 -365 -438 -224 -236 149 42 609 234 584 164 435 463 197 114 58 384 237 -78 241 199 50 363 293 -197 -89 -208 -47 -240 -166 59 -116 -28 65 212 3 422 -69 390 -193 -79 -265 -160 14
SQ 20250521T151839.0Z 9272.637951 290 1 8.91 2 35.09 118.56 61.45 226.30 0.00 1 0.00 1 0 15 3.476e-03 3.486e-03 2.561e-03 2.554e-03 1.778155e+03 1.550268e+02 1.357424e+02 -6.000000e+00 1.978753e+02 282.45 -2.00 20.00 -2.00 505.25 0.00e+00 3.439928e-04 7.065673e-05 2.281681e-05 -6.000000e+00 9.840092e-05 282.45 -2.00 20.00 -2.00 500.35 0.00e+00 3.225570e-02 5.149723e-02 1.211346e-02 -6.000000e+00 6.989596e-02 231.33 -2.00 3.53 -2.00 501.95 0.00e+00 1.221 0.000 489.00 513.00 1 6.4259e+00 3.9516e-03 2.0753e-03 -6.0000e+00 5.3667e-03 9.5577e-03 1.0144e-03 3.1310e-04 -6.0000e+00 1.3767e-03 2.6519e-03 -1.3921e-03 2.7153e-04 1.7808e-05 -6.0000e+00 3.8071e-04 -1.5025e-02 1.1344e-04 12 1 1 12 1 1 94.56 19.42 1.44 -0.01502 -0.02468 3 6 1 4 0 2055.500 22.80 15.00 19.42 18.60 21.6 1019.44 -430 -529 -185 -50 151 176 -156 914 939 6 156 205 300 -523 -319 -46 -195 -212 -51 237 271 352 356 304 305 267 -44 567 -516 -407 -466 -404 -371 207 98 -85 -491 388 326 -361 46 53 -18 511 354 363 56 287 -140 -722 -471 -606 -608 -1201 -387 -331 -133 170 70 543 525 298 113 135 354 352 312 -370 -134 -198 -72 40 -345 113 -371 -553 -578 17 -273 -37 -168 -22 0 133 25 288 -107 -219 197 279 167 180 -59 176 23 285 -348 -44 182 34 -442 -591 -376 -265 -205 -318 -317 -306 -261 197 10 -19 100 477 40 583 184 241 777 -361 34 -234 365 400 -479 453 78 101 -130 -213 123 -12 -86 -172 562 252 -110 -253 466 320 87 204 293 -26 259 136 -284 -454 -592 -106 -419 -522 -187 -52 157 187 -164 960 985 6 166 214 309 -536 -324 -47 -202 -224 -54 251 288 374 379 324 326 285 -47 592 -532 -419 -473 -410 -385 214 104 -91 -524 406 337 -374 48 55 -19 537 375 385 59 299 -144 -725 -472 -595 -592 -1186 -388 -332 -135 175 72 556 538 307 117 139 361 354 309 -364 -130 -195 -71 39 -335 110 -366 -542 -558 17 -264 -35 -162 -21 0 128 25 282 -106 -216 194 277 167 177 -59 175 22 282 -340 -42 169 32 -408 -558 -365 -257 -203 -314 -310 -296 -251 190 10 -19 100 480 40 577 184 240 780 -361 33 -227 353 387 -468 439 75 98 -126 -205 117 -11 -80 -163 531 236 -105 -246 445 308 84 199 286 -26 253 131 -270 -434 -559 -99