File name: Pandora208s1_Windsor-West_20230227_L2Fit_fwvt1c4d20220407p1-8.txt
File generation date: 20250611T152206.7Z
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_20230227_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: 20230227
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 20230227T122700.5Z 8458.518755 92 1 30.14 2 87.95 103.21 112.67 11.84 0.00 1 0.00 1 0 22 5.379e-03 5.321e-03 5.791e-04 5.780e-04 8.059466e+03 3.799913e+01 5.577570e+02 -6.000000e+00 2.957878e+02 273.93 -2.00 20.00 -2.00 505.39 0.00e+00 2.064123e-03 1.582289e-05 1.161268e-04 -6.000000e+00 1.491840e-04 273.93 -2.00 20.00 -2.00 500.85 0.00e+00 1.357766e+00 1.137364e-02 6.608743e-02 -6.000000e+00 1.079718e-01 225.25 -2.00 3.53 -2.00 502.39 0.00e+00 16.023 0.078 489.00 513.00 1 2.8288e+00 8.6910e-04 2.5692e-02 -6.0000e+00 8.2684e-03 -1.3528e-02 2.1794e-04 2.0638e-03 -6.0000e+00 2.1263e-03 1.0800e-02 1.3427e-03 5.9623e-05 8.2782e-05 -6.0000e+00 5.8854e-04 9.6601e-03 -1.1071e-04 12 9 9 12 1 1 69.45 19.30 2.40 0.00966 0.01897 48 21 1 4 0 611.410 22.71 15.00 19.30 4.77 10.1 927.21 -1291 -933 -559 43 428 672 867 743 766 540 239 -134 -338 -478 -500 -351 -188 58 366 360 402 470 521 570 781 510 377 26 -350 -730 -951 -706 -349 8 189 208 88 12 -198 -1 -59 85 301 464 521 551 407 224 -86 -617 -912 -1174 -1268 -997 -621 -162 126 214 472 513 638 882 813 745 663 433 132 -244 -203 -331 -535 -448 -372 -295 -250 -470 -709 -884 -763 -703 -881 -719 -475 -475 -194 -345 -293 -97 -95 -28 203 318 583 547 515 322 -99 -500 -663 -863 -962 -775 -524 -166 -192 -259 -342 -482 -358 -173 55 438 654 752 931 1085 966 877 572 391 265 165 185 430 320 439 300 299 165 231 30 -291 -310 -516 -385 -302 -48 67 273 381 380 392 289 331 168 98 -362 -683 -828 -812 -1161 -849 -523 42 408 654 858 742 765 536 234 -131 -326 -457 -477 -336 -183 58 358 357 401 470 523 575 790 518 381 26 -345 -704 -908 -677 -341 8 194 209 88 12 -202 -1 -60 84 302 471 534 565 417 227 -86 -605 -904 -1144 -1232 -979 -603 -161 127 219 483 525 654 907 840 768 679 439 132 -242 -199 -323 -521 -438 -367 -294 -250 -468 -697 -859 -734 -674 -850 -698 -464 -470 -193 -346 -295 -97 -95 -28 199 316 581 543 502 317 -96 -471 -614 -793 -890 -735 -515 -163 -193 -263 -345 -483 -358 -175 56 438 661 765 953 1118 1005 916 596 403 269 166 186 434 325 447 307 306 169 235 30 -292 -308 -514 -386 -309 -50 69 285 401 403 420 312 357 180 104 -381 -710 -855 -844
SQ 20230227T123001.8Z 8458.520855 96 1 46.89 2 87.40 103.72 112.55 12.55 0.00 1 0.00 1 0 22 5.037e-03 4.985e-03 8.065e-04 8.045e-04 7.842977e+03 5.287648e+01 5.447184e+02 -6.000000e+00 2.770171e+02 273.93 -2.00 20.00 -2.00 505.39 0.00e+00 1.890557e-03 2.204211e-05 1.068932e-04 -6.000000e+00 1.396999e-04 273.93 -2.00 20.00 -2.00 500.86 0.00e+00 1.299371e+00 1.587671e-02 6.398318e-02 -6.000000e+00 1.010881e-01 225.25 -2.00 3.53 -2.00 502.40 0.00e+00 14.589 0.059 489.00 513.00 1 3.8734e+00 1.2144e-03 2.2800e-02 -6.0000e+00 7.7415e-03 -1.6268e-02 3.0394e-04 1.9306e-03 -6.0000e+00 1.9902e-03 4.6719e-03 8.4273e-04 8.3275e-05 8.0829e-05 -6.0000e+00 5.5119e-04 1.5862e-02 -1.2658e-04 12 8 8 10 0 0 94.57 19.31 2.09 0.01586 0.02171 53 14 1 4 0 884.670 22.71 15.00 19.31 4.84 10.0 928.22 -1108 -855 -346 -124 570 746 892 607 805 525 139 -226 -385 -317 -529 -462 -327 24 253 516 552 429 378 416 650 336 338 17 -209 -703 -755 -685 -429 146 263 175 98 -4 -261 -281 -142 -49 200 584 564 654 303 72 -124 -550 -924 -977 -1082 -915 -465 -208 94 273 392 550 698 750 587 549 764 352 318 -210 -235 -389 -385 -510 -453 -349 -271 -338 -580 -809 -797 -781 -668 -593 -487 -487 -331 -166 -335 32 85 17 219 295 542 579 583 295 -70 -504 -662 -817 -925 -739 -450 -84 -182 -252 -437 -506 -299 -151 -15 195 612 722 941 953 873 778 526 383 194 179 228 462 299 327 137 334 233 66 -41 -363 -259 -658 -356 -386 -17 -42 263 274 489 379 313 319 153 171 -292 -476 -761 -677 -990 -774 -321 -119 558 714 868 598 790 512 134 -216 -365 -297 -496 -435 -313 23 253 520 559 436 386 428 669 348 348 17 -209 -689 -731 -667 -427 149 263 177 99 -4 -258 -277 -141 -48 202 593 578 672 311 73 -124 -539 -886 -962 -1061 -868 -451 -207 95 279 401 562 715 772 607 567 781 357 318 -208 -230 -379 -373 -497 -447 -347 -271 -335 -568 -784 -766 -749 -643 -575 -476 -481 -330 -166 -336 32 85 17 221 289 534 568 586 290 -67 -474 -612 -749 -854 -699 -440 -82 -181 -252 -436 -501 -296 -150 -15 199 629 748 979 1001 925 794 535 401 200 183 233 473 308 339 142 333 232 65 -42 -370 -261 -665 -362 -384 -17 -44 274 290 520 406 338 345 166 182 -308 -495 -788 -704