File name: Pandora284s1_Downsview_20260103_L2Fit_fout2c2d20241105p1-8.txt
File generation date: 20260104T052734.1Z
Data description: Level 2 spectral fitting results file
Data file version: fout2c2p1-8
Local principal investigator: Vitali Fioletov
Network principal investigator: Alexander Cede
Instrument type: Pandora
Instrument number: 284
Spectrometer number: 1
Processing software version used: BlickP v1.8.75
Instrument operation file used: Pandora284_OF_v3d20240708.txt
Instrument calibration file used: Pandora284s1_CF_v2d20241105.txt
Level 1 file used: Pandora284s1_Downsview_20260103_L1_smca1c2d20241105p1-8.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: 20260103
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: OoB session based off of session 1
First and last pixel inside fitting window: 195 338
Nominal wavelengths inside fitting window [nm]: 305.0011 305.1417 305.2823 305.4229 305.5635 305.7040 305.8446 305.9851 306.1256 306.2662 306.4067 306.5471 306.6876 306.8281 306.9686 307.1090 307.2494 307.3899 307.5303 307.6707 307.8111 307.9515 308.0918 308.2322 308.3725 308.5129 308.6532 308.7935 308.9338 309.0741 309.2144 309.3547 309.4949 309.6352 309.7754 309.9156 310.0559 310.1961 310.3363 310.4764 310.6166 310.7568 310.8969 311.0371 311.1772 311.3173 311.4574 311.5975 311.7376 311.8777 312.0177 312.1578 312.2978 312.4378 312.5779 312.7179 312.8579 312.9978 313.1378 313.2778 313.4177 313.5577 313.6976 313.8375 313.9774 314.1173 314.2572 314.3970 314.5369 314.6768 314.8166 314.9564 315.0962 315.2360 315.3758 315.5156 315.6554 315.7951 315.9349 316.0746 316.2143 316.3541 316.4938 316.6335 316.7731 316.9128 317.0525 317.1921 317.3317 317.4714 317.6110 317.7506 317.8902 318.0297 318.1693 318.3089 318.4484 318.5879 318.7275 318.8670 319.0065 319.1460 319.2854 319.4249 319.5644 319.7038 319.8432 319.9827 320.1221 320.2615 320.4009 320.5402 320.6796 320.8189 320.9583 321.0976 321.2369 321.3762 321.5155 321.6548 321.7941 321.9333 322.0726 322.2118 322.3511 322.4903 322.6295 322.7687 322.9079 323.0470 323.1862 323.3253 323.4645 323.6036 323.7427 323.8818 324.0209 324.1600 324.2990 324.4381 324.5771 324.7162 324.8552 324.9942
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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: Ozone slant column amount [moles per square meter], -9e99=fitting not successful
Column 23: 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 24: 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 25: 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 26: 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 27: Ozone effective temperature [K]
Column 28: 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 29: 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 30: 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 31: Effective ozone fitting wavelength [nm], -9=fitting not successful
Column 32: 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 33: Sulfur dioxide slant column amount [moles per square meter], -9e99=fitting not successful
Column 34: Independent uncertainty of sulfur 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 sulfur 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 sulfur 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 sulfur 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: Sulfur dioxide effective temperature [K]
Column 39: Independent uncertainty of sulfur 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 sulfur 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 sulfur 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 sulfur dioxide fitting wavelength [nm], -9=fitting not successful
Column 43: Diffuse correction applied before fitting at effective fitting wavelength for sulfur dioxide [%], 0=no diffuse correction applied or fitting not requested, >0=measured diffuse correction, <0=(negative value of) calculated diffuse correction
Column 44: Molecular scattering air mass factor used for molecular scattering subtraction before the fitting
Column 45: Estimated uncertainty of molecular scattering air mass factor, -9=molecular scattering was not subtracted before the fitting
Column 46: Lower limit used for wavelength scaling [nm]
Column 47: Upper limit used for wavelength scaling [nm]
Column 48: Order of smoothing polynomial
Column 49: Smoothing polynomial coefficient, order 0
Column 50: Independent uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful
Column 51: Structured uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful
Column 52: Common uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful
Column 53: rms-based uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful
Column 54: Smoothing polynomial coefficient, order 1
Column 55: Independent uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful
Column 56: Structured uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful
Column 57: Common uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful
Column 58: rms-based uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful
Column 59: Smoothing polynomial coefficient, order 2
Column 60: Independent uncertainty of smoothing polynomial coefficient, order 2, -9=fitting not successful
Column 61: Structured uncertainty of smoothing polynomial coefficient, order 2, -9=fitting not successful
Column 62: Common uncertainty of smoothing polynomial coefficient, order 2, -9=fitting not successful
Column 63: rms-based uncertainty of smoothing polynomial coefficient, order 2, -9=fitting not successful
Column 64: Smoothing polynomial coefficient, order 3
Column 65: Independent uncertainty of smoothing polynomial coefficient, order 3, -9=fitting not successful
Column 66: Structured uncertainty of smoothing polynomial coefficient, order 3, -9=fitting not successful
Column 67: Common uncertainty of smoothing polynomial coefficient, order 3, -9=fitting not successful
Column 68: rms-based uncertainty of smoothing polynomial coefficient, order 3, -9=fitting not successful
Column 69: Mean value of measured data inside fitting window [same units as measurements]
Column 70: Wavelength change polynomial coefficient, order 0
Column 71: Independent uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful
Column 72: Structured uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful
Column 73: Common uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful
Column 74: rms-based uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful
Column 75: L1 based wavelength change coefficient, order 0, -9=no L1 wavelength change determination
Column 76: L1 based wavelength change coefficient, order 1, -9=no L1 wavelength change determination
Column 77: 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 78: 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 79: 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 80: 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 81: 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 82: 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 83: Atmospheric variability [%], 999=no atmospheric variability was determined
Column 84: Wavelength effective temperature [°C], 999=no effective temperature given
Column 85: Estimated average residual stray light level [%] (only valid for stray light correction methods 2 and higher)
Column 86: Retrieved wavelength shift from L1 data [nm], -9=no wavelength change determination
Column 87: Retrieved total wavelength shift [nm], -9=no wavelength change fitting
Column 88: Number of bright count cycles
Column 89: Number of dark count cycles
Column 90: Effective position of filterwheel #1, 0=filterwheel not used, 1-9 are valid positions
Column 91: Effective position of filterwheel #2, 0=filterwheel not used, 1-9 are valid positions
Column 92: Sum over 2^i, 0=spectra were interpolated in time, 1=spectra are corrected for off-target signal
Column 93: Integration time [ms]
Column 94: Temperature at electronics board [°C], 999=no temperature signal
Column 95: Spectrometer control temperature [°C], 999=no temperature signal
Column 96: Auxiliary spectrometer temperature [°C], 999=no temperature signal
Column 97: Temperature in head sensor [°C], 999=no temperature signal
Column 98: Humidity in head sensor [%], -9=no humidity signal
Column 99: Pressure in head sensor [hPa], -9=no pressure signal
Columns 100-243: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting
Columns 244-387: 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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SS 20260103T143746.7Z 9499.609569 337 1 54.86 2 76.51 141.38 99.61 320.65 0.00 1 0.00 1 0 25 3.185e-01 1.576e-02 3.588e-01 1.419e-02 5.836315e-01 7.432602e-03 6.762629e-03 -6.000000e+00 1.765942e-01 222.92 -2.00 3.57 -2.00 321.07 0.00e+00 4.080057e-03 3.110002e-03 1.364062e-03 -6.000000e+00 7.752064e-03 272.54 -2.00 20.00 -2.00 320.60 0.00e+00 4.187 0.001 302.00 328.00 3 3.7437e+00 2.3131e-02 5.1591e-02 -6.0000e+00 4.3528e-01 1.5620e-01 3.0395e-02 3.3198e-02 -6.0000e+00 4.7680e-01 -1.6130e-01 3.1462e-02 1.6035e-02 -6.0000e+00 2.8237e-01 6.5071e-02 1.5621e-02 6.0004e-03 -6.0000e+00 1.2058e-01 1.0636e-04 -2.2003e-03 4.0957e-04 6.1452e-05 -6.0000e+00 8.4305e-03 -1.4848e-02 -2.8433e-04 12 8 8 10 0 0 99.89 20.71 0.34 -0.01485 -0.03138 32 3 1 5 0 1714.070 28.50 15.00 20.71 0.10 2.4 864.32 900000 900000 -110629 -82046 -124317 -48618 900000 -107461 -146245 -101227 -89884 -48948 -32214 900000 56913 36949 -72452 16502 -20050 11626 4488 15542 9377 4271 -6390 97563 -8737 -9825 -17538 96257 -22771 -35981 -53772 1557 37273 6467 -21698 5790 34209 33136 30996 -13216 15599 18328 -9035 16177 -13819 6275 7107 10901 1603 6266 -8781 24232 8882 12927 -2660 12377 786 -4696 3631 -3131 9615 2245 -1092 3841 7040 -217 -3763 -398 -71 -608 5578 6623 -7195 3025 5558 359 629 -7883 -1267 -3697 269 -5104 2224 -2654 -7 -2610 3129 -458 2229 -886 3578 -3007 -2757 -1818 491 709 2191 2008 203 -2842 -343 668 -2411 -524 -2216 -1521 -377 -16 2598 -274 543 250 145 81 -412 -1629 298 -911 -242 -389 -75 1196 1512 -427 1387 328 217 518 1300 -804 -27 -633 -145 1100 -702 413 313 309 -519 -289 57 -725 900000 900000 -1657 -1134 -2005 -672 900000 -1486 -3370 -1633 -1346 -677 -445 900000 787 511 -2588 290 -554 248 107 332 212 107 -193 1349 -297 -333 -617 1331 -945 -2035 -4258 80 1359 301 -1364 313 1677 1999 2221 -1611 1510 1797 -1181 1667 -1963 741 858 1315 228 945 -1700 3655 1675 2437 -605 2458 172 -1051 744 -724 2188 624 -346 1173 1991 -65 -1211 -139 -29 -264 2328 2656 -3093 1061 1705 110 198 -3082 -548 -1891 149 -3201 1504 -2015 -6 -2201 2540 -380 1713 -650 2340 -2020 -1933 -1425 434 717 2472 2413 242 -3222 -339 610 -2353 -542 -2448 -1760 -461 -22 3765 -445 906 411 227 119 -584 -2372 447 -1472 -402 -636 -118 1787 2166 -599 1828 423 295 794 2204 -1506 -52 -1294 -312 2500 -1694 1002 772 754 -1221 -638 119 -1481
SS 20260103T183457.3Z 9499.774274 458 1 54.83 2 68.59 197.93 110.07 11.62 0.00 1 0.00 1 0 17 3.375e-02 4.863e-03 4.791e-03 5.156e-04 4.007539e-01 2.521548e-04 4.783123e-03 -6.000000e+00 1.861727e-02 222.93 -2.00 3.57 -2.00 319.03 0.00e+00 9.404420e-04 5.847671e-05 2.773781e-04 -6.000000e+00 8.050832e-04 272.53 -2.00 20.00 -2.00 318.50 0.00e+00 2.715 0.000 302.00 328.00 3 1.1371e+00 6.8754e-04 3.3398e-02 -6.0000e+00 4.5912e-02 1.9141e-02 7.9409e-04 2.0459e-02 -6.0000e+00 5.0223e-02 -7.2542e-03 6.0109e-04 1.0374e-02 -6.0000e+00 2.9840e-02 -3.5092e-03 3.2128e-04 3.1502e-03 -6.0000e+00 1.2687e-02 7.3452e-03 -4.4398e-04 1.4470e-05 3.2049e-05 -6.0000e+00 8.8149e-04 -1.9800e-02 1.3806e-05 10 0 0 10 0 0 99.97 20.69 0.31 -0.01980 -0.02314 490 47 1 5 0 111.880 28.50 15.01 20.69 3.17 2.2 879.26 900000 -10568 -8602 -10077 -11615 -16010 -13551 -12173 -9656 -7044 -8864 -10309 -7131 -5913 -2317 -1686 -1474 -1113 -26 692 -583 -61 -759 -132 -573 -2074 -1397 -2571 -1976 -3288 -848 -366 176 -156 -1824 -3720 -3988 -2498 -708 -208 97 -490 -250 -280 75 261 131 65 -403 21 520 874 1270 1251 1065 1086 1035 582 278 273 622 1101 1874 2123 1557 603 32 -443 15 802 634 651 274 196 149 -291 -524 -1254 -1164 -1020 -1063 -1077 -1470 -1674 -1390 -1035 -442 -103 312 543 544 481 104 -57 79 55 236 619 491 163 -217 -577 -720 -384 -427 -716 -657 -604 -286 254 488 575 470 283 -36 -51 119 81 158 11 -103 -18 136 183 343 135 -90 325 446 192 138 -128 -110 -220 -62 -96 -90 204 177 -11 25 -209 -181 -258 900000 -333 -290 -349 -373 -488 -407 -400 -355 -280 -372 -444 -331 -326 -148 -126 -122 -98 -2 67 -60 -6 -78 -14 -67 -263 -183 -334 -240 -391 -104 -50 27 -27 -317 -615 -673 -469 -157 -56 30 -166 -80 -93 25 87 44 24 -149 8 201 333 524 553 501 528 519 298 141 135 305 563 1044 1307 1037 402 20 -266 9 535 483 490 213 150 118 -210 -340 -758 -699 -676 -814 -859 -1305 -1587 -1383 -1101 -498 -113 345 594 613 501 99 -51 72 55 266 724 641 225 -293 -721 -816 -446 -519 -874 -842 -812 -404 383 742 931 774 451 -53 -76 168 116 238 17 -163 -28 208 271 524 197 -126 434 614 291 213 -210 -185 -383 -114 -175 -172 396 349 -21 47 -380 -336 -470