File name: Pandora284s1_Downsview_20260117_L2Fit_fout2c2d20241105p1-8.txt
File generation date: 20260118T053447.2Z
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_20260117_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: 20260117
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 20260117T204624.8Z 9513.865565 313 1 54.89 2 78.78 226.59 90.42 231.29 0.00 1 0.00 1 0 17 7.400e-01 9.281e-03 2.554e-01 4.032e-03 8.573816e-01 2.198963e-03 9.349484e-03 -6.000000e+00 4.089239e-01 223.49 -2.00 3.57 -2.00 321.88 0.00e+00 7.363101e-03 1.130892e-03 2.166606e-03 -6.000000e+00 1.785396e-02 271.77 -2.00 20.00 -2.00 321.45 0.00e+00 4.964 0.002 302.00 328.00 3 1.3623e+00 7.5941e-03 6.9212e-02 -6.0000e+00 1.0100e+00 2.5882e-01 1.2406e-02 5.4284e-02 -6.0000e+00 1.1045e+00 -3.3935e-01 1.4872e-02 2.7387e-02 -6.0000e+00 6.5622e-01 1.2921e-01 6.8146e-03 1.1462e-02 -6.0000e+00 2.7966e-01 4.1759e-04 -1.2912e-03 1.0512e-04 1.2267e-04 -6.0000e+00 1.9431e-02 -1.9869e-02 -3.4432e-05 11 8 0 10 0 0 99.99 20.86 0.37 -0.01987 -0.02957 151 14 1 5 0 363.450 28.50 15.00 20.86 6.68 2.1 896.04 900000 -230191 -232257 900000 -288508 -265138 -235700 -309496 -221282 -216785 -229014 -191737 -155938 -134251 -165965 -56723 -22136 -84491 -79272 -71767 -40927 133699 -65050 -55407 15276 -66162 -88689 -39970 -37797 -63298 -24462 -10601 2993 -8254 -6547 7174 -583 36034 -848 -7757 -4597 -5753 9309 4146 6577 1221 -393 -2985 1338 5213 2926 4103 6889 7354 8970 13501 6596 10400 11386 11459 1938 5604 6437 5442 6864 8688 1400 2123 4256 3233 4047 5430 2738 1963 -1994 -4190 -2997 -3865 361 -1059 -307 588 -1809 -548 -1003 -1349 190 999 1589 -159 646 1167 -239 -1493 -3271 -2075 -699 140 883 46 -440 -793 -1040 -549 -1506 -1978 -815 -121 -722 98 178 252 444 1 255 28 -451 -276 -145 36 109 304 236 780 746 40 289 -203 614 449 426 -58 -35 -199 -259 -79 -135 396 214 -102 16 195 -318 -549 900000 -1316 -1577 900000 -3403 -2274 -1516 -4536 -1503 -1550 -1965 -1234 -892 -864 -2017 -304 -103 -846 -850 -770 -336 526 -674 -555 82 -851 -1490 -414 -378 -860 -271 -133 41 -148 -119 108 -10 464 -19 -230 -156 -220 329 163 284 57 -19 -160 74 299 191 303 561 659 864 1311 713 1100 1164 1122 206 606 787 790 1128 1479 255 392 823 722 1033 1480 783 543 -527 -1008 -640 -808 78 -277 -97 218 -791 -258 -502 -720 106 574 921 -92 354 592 -117 -735 -1783 -1308 -517 121 875 49 -473 -784 -903 -429 -1207 -1708 -731 -114 -747 114 237 378 710 1 401 41 -660 -411 -227 60 181 484 355 1122 1038 54 376 -260 848 727 795 -121 -77 -474 -600 -195 -349 1030 563 -265 38 483 -733 -1232
SS 20260117T205143.5Z 9513.869253 316 1 55.00 2 79.48 227.64 91.14 232.18 0.00 1 0.00 1 0 17 6.796e-01 7.566e-03 3.283e-01 4.351e-03 8.981540e-01 2.427937e-03 9.667311e-03 -6.000000e+00 3.793486e-01 223.49 -2.00 3.57 -2.00 322.01 0.00e+00 6.793545e-03 1.284514e-03 2.468628e-03 -6.000000e+00 1.787481e-02 271.77 -2.00 20.00 -2.00 321.58 0.00e+00 5.266 0.003 302.00 328.00 3 1.2040e+00 8.5823e-03 7.3526e-02 -6.0000e+00 9.3999e-01 2.4010e-01 1.4918e-02 5.8795e-02 -6.0000e+00 1.0296e+00 -3.0739e-01 1.8331e-02 3.0006e-02 -6.0000e+00 6.0545e-01 1.1293e-01 8.2731e-03 1.2138e-02 -6.0000e+00 2.5725e-01 3.5996e-04 -8.0593e-04 1.1404e-04 1.3261e-04 -6.0000e+00 1.8266e-02 -2.1139e-02 2.6420e-06 11 8 0 10 0 0 97.89 20.86 0.42 -0.02114 -0.02720 126 12 1 5 0 436.490 28.50 15.00 20.86 7.08 2.1 897.50 900000 -274360 -140498 -290003 900000 -292383 900000 -261531 -241814 900000 900000 -67549 -215519 900000 -135291 -197106 -128277 61976 -42979 -96205 -95587 -99407 -110299 -55424 -56613 19630 -71207 -8452 -106527 -53184 40352 24103 -66819 13886 -39925 62723 25970 38612 19132 -14361 11041 11108 -8818 18534 7760 4407 -5375 -2747 -1446 -544 -483 3677 9339 1342 10660 -3669 1904 6438 7306 2511 -2669 4306 9148 9360 11874 2927 2733 7919 2647 5428 3340 3051 2143 541 736 -1294 -1646 -4426 -2587 -3569 -1756 -412 -821 -1980 -1460 -76 711 1623 1646 256 144 924 -1872 -543 -1153 -1163 -313 1489 920 -173 -599 -387 -753 -807 -983 -1823 -978 -1398 -696 -93 320 284 253 387 340 -405 -237 -234 -200 -219 162 516 443 14 662 130 -296 802 368 -129 718 -193 206 -434 73 -134 -118 220 -21 11 158 -164 35 -316 900000 -1375 -596 -2124 900000 -1916 900000 -1411 -1212 900000 900000 -286 -1412 900000 -782 -2811 -1137 263 -215 -890 -921 -996 -1233 -384 -436 83 -714 -46 -1519 -471 171 158 -1365 150 -769 411 250 372 273 -354 251 283 -296 500 239 144 -203 -118 -66 -27 -27 226 618 107 850 -358 183 603 663 229 -252 402 931 1123 1606 459 430 1219 462 1058 767 762 552 136 169 -269 -309 -835 -521 -870 -515 -142 -328 -875 -679 -37 363 855 881 137 73 433 -861 -247 -578 -687 -219 1209 871 -179 -615 -364 -622 -602 -744 -1491 -833 -1270 -686 -103 410 411 393 608 522 -598 -340 -342 -307 -353 264 800 646 20 894 171 -377 992 501 -208 1324 -400 460 -1038 170 -335 -306 575 -57 29 387 -408 81 -704