File name: Pandora145s1_Toronto-Scarborough_20220301_L2Fit_fout2c7d20191218p1-8.txt File generation date: 20260322T215840.1Z Data description: Level 2 spectral fitting results file Data file version: fout2c7p1-8 Local principal investigator: Vitali Fioletov Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 145 Spectrometer number: 1 Processing software version used: BlickP v1.8.88 Instrument operation file used: Pandora145_OF_v5d20190718.txt Instrument calibration file used: Pandora145s1_CF_v7d20191218.txt Level 1 file used: Pandora145s1_Toronto-Scarborough_20220301_L1_smca1c7d20191218p1-8.txt.bz2 Full location name: University of Toronto - Scarborough Short location name: Toronto-Scarborough Country of location: Canada Location latitude [deg]: 43.7843 Location longitude [deg]: -79.1874 Location altitude [m]: 137 Local noon date: 20220301 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: "Modification of session 3 for not so summer ref day" First and last pixel inside fitting window: 226 368 Nominal wavelengths inside fitting window [nm]: 305.0466 305.1875 305.3283 305.4691 305.6100 305.7508 305.8915 306.0323 306.1731 306.3139 306.4546 306.5953 306.7361 306.8768 307.0175 307.1582 307.2988 307.4395 307.5801 307.7208 307.8614 308.0020 308.1427 308.2833 308.4238 308.5644 308.7050 308.8455 308.9861 309.1266 309.2671 309.4076 309.5481 309.6886 309.8291 309.9696 310.1100 310.2504 310.3909 310.5313 310.6717 310.8121 310.9525 311.0928 311.2332 311.3736 311.5139 311.6542 311.7945 311.9348 312.0751 312.2154 312.3557 312.4959 312.6362 312.7764 312.9166 313.0569 313.1971 313.3373 313.4774 313.6176 313.7578 313.8979 314.0380 314.1781 314.3183 314.4584 314.5984 314.7385 314.8786 315.0186 315.1587 315.2987 315.4387 315.5787 315.7187 315.8587 315.9987 316.1386 316.2786 316.4185 316.5584 316.6984 316.8383 316.9782 317.1180 317.2579 317.3978 317.5376 317.6774 317.8173 317.9571 318.0969 318.2367 318.3764 318.5162 318.6560 318.7957 318.9354 319.0751 319.2148 319.3545 319.4942 319.6339 319.7736 319.9132 320.0528 320.1925 320.3321 320.4717 320.6113 320.7508 320.8904 321.0300 321.1695 321.3090 321.4486 321.5881 321.7276 321.8671 322.0065 322.1460 322.2854 322.4249 322.5643 322.7037 322.8431 322.9825 323.1219 323.2613 323.4006 323.5400 323.6793 323.8186 323.9579 324.0972 324.2365 324.3758 324.5151 324.6543 324.7935 324.9328 --------------------------------------------------------------------------------------- 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 100-242: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting Columns 243-385: 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 --------------------------------------------------------------------------------------- SS 20220301T161648.3Z 8095.678337 210 1 29.15 2 53.75 157.59 62.10 172.57 0.00 1 0.00 1 0 25 1.542e-02 6.239e-03 1.004e-02 3.138e-03 2.876095e-01 1.536391e-03 3.566524e-03 -6.000000e+00 8.513970e-03 225.22 -2.00 3.57 -2.00 317.25 0.00e+00 6.063929e-05 2.129719e-04 6.833207e-05 -6.000000e+00 3.635566e-04 273.17 -2.00 20.00 -2.00 316.71 0.00e+00 1.687 0.000 302.00 328.00 3 5.7511e+00 4.0299e-03 2.2371e-02 -6.0000e+00 2.1120e-02 5.1837e-02 4.5328e-03 1.4884e-02 -6.0000e+00 2.3011e-02 -1.3511e-02 2.7630e-03 7.4223e-03 -6.0000e+00 1.3654e-02 1.8826e-03 1.3916e-03 2.1240e-03 -6.0000e+00 5.8474e-03 2.1738e-04 -1.6917e-04 8.4084e-05 2.2369e-05 -6.0000e+00 3.8293e-04 -9.1008e-03 4.7532e-05 11 1 0 11 8 0 99.54 18.01 0.13 -0.00910 -0.01037 10 10 1 5 0 2914.440 22.80 15.00 18.01 13.00 18.3 1100.00 -480 1676 4069 -7657 -3364 -7151 -3568 -7112 478 -3596 -347 -682 589 -795 344 1970 1311 848 -1040 3607 -2073 663 25 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-945 -833 -1075 -1012 -811 -1429 223 355 1012 1332 564 221 -250 -2 -1001 -258 -256 -335 -4 -201 331 791 393 757 531 1048 369 618 492 -159 598 -54 337 258 133 374 39 -845 -1008 -938 -290 SS 20220301T163430.8Z 8095.690635 222 1 29.86 2 52.67 162.90 61.76 177.21 0.00 1 0.00 1 0 17 1.343e-02 5.944e-03 7.478e-03 2.551e-03 2.811756e-01 1.249376e-03 3.476732e-03 -6.000000e+00 7.416242e-03 225.23 -2.00 3.57 -2.00 317.05 0.00e+00 2.346469e-04 1.642584e-04 7.173601e-05 -6.000000e+00 3.166800e-04 273.17 -2.00 20.00 -2.00 316.50 0.00e+00 1.645 0.000 302.00 328.00 3 5.4982e+00 3.2675e-03 2.1809e-02 -6.0000e+00 1.8397e-02 4.1274e-02 3.6753e-03 1.4495e-02 -6.0000e+00 2.0044e-02 -1.1745e-02 2.2231e-03 7.2355e-03 -6.0000e+00 1.1893e-02 1.3556e-03 1.1056e-03 2.0813e-03 -6.0000e+00 5.0936e-03 2.9563e-04 -1.0550e-04 6.8069e-05 2.1892e-05 -6.0000e+00 3.3355e-04 -9.3145e-03 4.4566e-05 11 1 0 11 8 0 99.82 18.04 0.31 -0.00931 -0.01011 11 11 1 5 0 2714.090 22.90 15.00 18.04 15.08 18.5 1100.00 -461 380 -251 1723 -8764 -416 -6286 4040 -903 -196 -3655 -759 -3246 -2115 1748 472 2 -266 505 37 209 22 989 50 1070 -1076 1112 726 236 504 1508 1883 1828 648 -2586 -1186 -2705 -1061 -439 -393 -438 -424 -199 -844 27 -1122 -604 -602 -613 -877 508 625 932 764 1203 1073 1055 22 569 162 622 1395 1268 1682 223 383 -40 -893 -255 788 645 653 199 505 292 -853 -1205 -1607 -676 -1023 -583 -789 -1423 -1494 -1041 -1069 -202 -95 561 379 334 520 191 460 68 444 501 1110 241 -160 173 -210 -1017 -606 -963 -604 -577 -625 43 328 370 378 284 7 -189 -217 69 -99 215 -245 -267 31 591 191 610 600 244 828 618 118 81 265 -369 -74 -159 -47 167 144 120 -395 -159 -328 -425 -54 49 -34 219 -1072 -43 -729 477 -127 -29 -557 -112 -551 -377 346 106 1 -65 129 10 57 6 264 14 322 -347 354 219 66 135 424 575 611 233 -892 -379 -944 -422 -194 -206 -255 -258 -125 -540 17 -716 -377 -366 -365 -521 313 416 608 528 858 781 786 16 414 116 453 1079 1074 1432 197 334 -32 -693 -205 671 611 649 200 488 264 -750 -950 -1188 -507 -874 -524 -790 -1546 -1582 -1169 -1293 -242 -118 695 457 396 561 200 456 71 479 601 1391 329 -218 221 -261 -1178 -709 -1239 -774 -771 -875 59 480 578 575 442 10 -267 -285 88 -132 306 -356 -400 46 843 279 839 789 322 1067 805 167 115 387 -549 -113 -258 -76 279 245 208 -671 -258 -540 -677 SS 20220301T163945.3Z 8095.694275 225 1 30.86 2 52.40 164.50 61.71 178.60 0.00 1 0.00 1 0 17 1.267e-02 5.989e-03 8.333e-03 2.736e-03 2.821555e-01 1.341955e-03 3.498584e-03 -6.000000e+00 6.994447e-03 225.23 -2.00 3.57 -2.00 317.07 0.00e+00 2.409746e-04 1.767470e-04 6.145079e-05 -6.000000e+00 2.986827e-04 273.17 -2.00 20.00 -2.00 316.52 0.00e+00 1.635 0.000 302.00 328.00 3 5.6471e+00 3.5114e-03 2.1796e-02 -6.0000e+00 1.7351e-02 4.6714e-02 3.9444e-03 1.4581e-02 -6.0000e+00 1.8905e-02 -9.7121e-03 2.3887e-03 7.2881e-03 -6.0000e+00 1.1218e-02 5.6197e-04 1.1959e-03 2.0971e-03 -6.0000e+00 4.8034e-03 2.5569e-04 -2.6124e-04 7.3171e-05 2.2388e-05 -6.0000e+00 3.1462e-04 -8.9126e-03 1.6422e-05 10 0 0 10 0 0 99.97 18.05 0.29 -0.00891 -0.01088 10 10 1 5 0 3085.270 22.90 15.00 18.05 15.45 18.5 1100.00 -1410 -2944 -2206 -2145 -1794 929 -6345 -2451 -4483 -2446 -2916 -3278 -1855 1805 -585 77 -14 460 217 -372 1334 2039 1739 -512 1941 1085 1031 -1574 94 1777 1980 2401 1523 1105 -2897 -1650 -1689 -247 -681 -47 -728 -723 -855 -1055 -880 -685 -300 -1141 -963 -1002 1458 776 814 1151 1330 694 1694 490 203 -182 953 729 909 1791 -142 -144 -31 -251 -91 47 287 503 -74 1106 314 -335 -443 -1134 -1105 -982 -650 -761 -1318 -1895 -715 -586 -116 278 115 509 220 215 -20 498 318 383 469 1018 216 -374 83 -176 -1040 -465 -1195 -582 -706 -552 10 632 633 220 162 39 -48 -199 167 -715 7 124 -77 -277 534 200 207 761 598 803 398 98 105 252 88 -186 -29 -60 -182 328 74 -256 -240 -427 -452 -155 -367 -284 -263 -190 89 -685 -287 -608 -348 -410 -461 -289 314 -120 18 -3 114 56 -101 365 544 469 -150 589 348 334 -493 27 478 564 742 520 402 -1020 -540 -594 -99 -305 -25 -430 -447 -504 -631 -521 -406 -189 -706 -583 -602 899 482 535 797 953 510 1261 369 150 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