File name: Pandora169s1_Egbert_20230118_L2Fit_fout2c15d20220511p1-8.txt File generation date: 20241103T204514.4Z Data description: Level 2 spectral fitting results file Data file version: fout2c15p1-8 Local principal investigator: Vitali Fioletov Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 169 Spectrometer number: 1 Processing software version used: BlickP v1.8.60 Instrument operation file used: Pandora169_OF_v3d20200220.txt Instrument calibration file used: Pandora169s1_CF_v15d20220511.txt Level 1 file used: Pandora169s1_Egbert_20230118_L1_smca1c15d20220511p1-8.txt Full location name: Center for Atmospheric Research Experiments (CARE) - Egbert Short location name: Egbert Country of location: Canada Location latitude [deg]: 44.2300 Location longitude [deg]: -79.7800 Location altitude [m]: 251 Local noon date: 20230118 Notes on s-number (L1 configuration): Corrections NOT applied although requested by the s-number are latency correction, matrix method stray light correction (replaced by simple method) Data caveats: None First and last pixel inside fitting window: 228 369 Nominal wavelengths inside fitting window [nm]: 305.1342 305.2750 305.4159 305.5568 305.6976 305.8385 305.9793 306.1201 306.2609 306.4017 306.5425 306.6833 306.8241 306.9648 307.1056 307.2463 307.3870 307.5277 307.6684 307.8091 307.9498 308.0904 308.2311 308.3717 308.5123 308.6529 308.7935 308.9341 309.0747 309.2153 309.3558 309.4964 309.6369 309.7774 309.9180 310.0585 310.1989 310.3394 310.4799 310.6203 310.7608 310.9012 311.0416 311.1820 311.3224 311.4628 311.6032 311.7436 311.8839 312.0243 312.1646 312.3049 312.4452 312.5855 312.7258 312.8661 313.0063 313.1466 313.2868 313.4270 313.5672 313.7074 313.8476 313.9878 314.1280 314.2681 314.4083 314.5484 314.6885 314.8286 314.9687 315.1088 315.2489 315.3890 315.5290 315.6691 315.8091 315.9491 316.0891 316.2291 316.3691 316.5091 316.6490 316.7890 316.9289 317.0688 317.2088 317.3487 317.4885 317.6284 317.7683 317.9082 318.0480 318.1878 318.3277 318.4675 318.6073 318.7470 318.8868 319.0266 319.1663 319.3061 319.4458 319.5855 319.7252 319.8649 320.0046 320.1443 320.2839 320.4236 320.5632 320.7029 320.8425 320.9821 321.1217 321.2612 321.4008 321.5404 321.6799 321.8194 321.9590 322.0985 322.2380 322.3775 322.5169 322.6564 322.7959 322.9353 323.0747 323.2141 323.3535 323.4929 323.6323 323.7717 323.9110 324.0504 324.1897 324.3291 324.4684 324.6077 324.7470 324.8862 --------------------------------------------------------------------------------------- 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 100-241: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting Columns 242-383: 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 20230118T161417.7Z 8418.676594 239 1 48.67 2 66.98 160.85 75.60 207.84 0.00 1 0.00 1 0 17 5.075e-02 8.415e-03 2.029e-02 2.950e-03 3.860115e-01 1.541842e-03 4.736310e-03 -6.000000e+00 3.026587e-02 223.46 -2.00 3.58 -2.00 318.42 0.00e+00 1.156755e-03 3.003191e-04 3.641038e-04 -6.000000e+00 1.294614e-03 271.00 -2.00 20.00 -2.00 317.93 0.00e+00 2.538 0.000 302.00 328.00 3 5.4729e+00 4.1085e-03 3.1612e-02 -6.0000e+00 7.4682e-02 9.3857e-02 4.6599e-03 1.9955e-02 -6.0000e+00 8.1180e-02 -5.5274e-03 3.2380e-03 1.0149e-02 -6.0000e+00 4.8186e-02 -1.0343e-02 1.7043e-03 3.1030e-03 -6.0000e+00 2.0404e-02 1.1225e-04 -9.5231e-04 9.3416e-05 3.8650e-05 -6.0000e+00 1.5842e-03 -7.1095e-04 -7.8214e-05 11 8 0 10 0 0 100.00 23.07 0.05 -0.00071 -0.00787 22 5 1 5 0 2211.920 26.73 19.99 23.07 9.43 37.6 982.92 34405 -7841 6822 15841 -15651 9871 6192 -16621 -6157 -15226 -8557 -6937 1508 8326 3123 -6371 -330 -5069 2825 231 8459 4449 3489 -4932 -6271 -1455 -1369 15198 3326 4321 5626 4599 -5431 -8353 2491 -4479 1045 -3367 -1540 -4025 -705 -616 -1027 -621 1974 -188 1869 -2081 -858 819 923 -374 2784 1642 -1100 1206 1217 13 -983 1284 321 1566 1385 1902 -1018 1140 -1364 -910 1738 1407 663 1310 -367 131 -879 395 -1737 -113 -1270 -520 -720 -1346 -2377 -467 -703 120 600 721 324 189 1011 715 -123 49 1064 404 180 292 -315 -618 -1496 -1280 -156 -29 -2124 -984 -1019 -274 510 597 271 435 530 168 -266 719 115 465 404 129 -99 111 437 486 691 -652 395 960 -41 -160 -166 -398 -113 -38 -107 -518 462 398 17 -150 -380 -317 1135 -397 305 622 -769 394 276 -997 -363 -1015 -562 -496 116 701 314 -766 -40 -679 368 32 1095 607 502 -810 -1094 -248 -229 2117 511 690 975 883 -1213 -1918 510 -1011 251 -980 -512 -1529 -279 -254 -435 -264 826 -80 781 -902 -373 367 439 -192 1468 913 -642 706 717 8 -578 750 198 1023 967 1371 -741 784 -937 -641 1293 1136 565 1128 -314 107 -674 278 -1190 -78 -950 -427 -647 -1300 -2427 -492 -777 137 705 852 378 213 1070 717 -121 49 1133 468 226 388 -428 -822 -1900 -1541 -183 -36 -2731 -1301 -1398 -388 756 925 433 694 824 251 -382 1004 164 683 615 202 -154 169 651 704 967 -895 534 1336 -61 -248 -266 -655 -190 -66 -193 -958 860 747 33 -273 -673 -551 SS 20230118T174727.7Z 8418.741293 299 1 1.04 2 64.85 184.64 85.40 225.81 0.00 1 0.00 1 0 17 1.688e-02 7.010e-03 7.179e-03 1.723e-03 3.703336e-01 9.041518e-04 4.540291e-03 -6.000000e+00 1.007137e-02 223.46 -2.00 3.58 -2.00 317.60 0.00e+00 1.123851e-03 1.399592e-04 1.633325e-04 -6.000000e+00 4.304946e-04 271.00 -2.00 20.00 -2.00 317.11 0.00e+00 2.338 0.000 302.00 328.00 3 9.2358e-01 2.3739e-03 2.9539e-02 -6.0000e+00 2.4853e-02 4.1317e-02 2.6630e-03 1.8973e-02 -6.0000e+00 2.7008e-02 -2.3190e-02 1.6804e-03 9.5526e-03 -6.0000e+00 1.6031e-02 1.4776e-03 8.5612e-04 2.9132e-03 -6.0000e+00 6.7932e-03 1.3507e-02 -4.9391e-04 5.3861e-05 3.6234e-05 -6.0000e+00 5.2667e-04 -3.2070e-03 2.3228e-05 12 9 1 12 1 1 99.16 23.15 0.14 -0.00321 -0.00692 20 240 1 5 0 41.460 26.73 20.00 23.15 9.54 37.3 983.04 -3646 -407 -6179 -2228 -5817 -6264 -5988 -4440 -6301 -3191 -5084 -1646 -1473 -498 716 -461 -998 1318 839 1141 -775 -145 1683 518 212 -339 -1801 -1750 -2034 537 1282 1631 1142 -3002 -2793 -2836 -2399 -197 -48 -732 -766 -504 -195 -758 357 -334 -50 -204 111 1210 1549 1084 1563 694 805 1215 687 205 243 567 1483 2033 2043 1072 -776 -104 -395 356 1821 698 285 -135 186 206 -257 -507 -1038 -424 -208 -1076 -1788 -1647 -2577 -1372 -575 -329 168 101 447 130 304 -155 223 578 487 440 529 372 -509 -193 -687 -847 97 287 -1524 -1117 -699 -807 132 438 262 70 263 193 220 687 665 580 223 -288 -107 481 621 381 870 -46 677 1141 464 121 -257 -513 -297 80 -252 -502 235 198 -219 -7 -310 -618 -270 -31 -504 -164 -415 -453 -469 -382 -599 -306 -519 -180 -188 -69 113 -81 -188 256 171 239 -168 -31 375 116 50 -82 -434 -404 -494 133 325 455 341 -936 -848 -893 -797 -76 -21 -340 -385 -264 -105 -413 193 -181 -27 -109 60 679 884 669 973 458 548 843 482 143 167 393 1025 1519 1582 874 -633 -80 -309 273 1508 620 260 -126 169 184 -221 -396 -802 -331 -170 -963 -1734 -1678 -2721 -1518 -649 -379 200 122 528 151 339 -161 229 608 539 524 656 485 -687 -251 -862 -1025 114 351 -1954 -1455 -953 -1129 191 653 407 105 393 278 306 954 910 835 330 -430 -159 716 892 541 1212 -63 922 1566 670 183 -398 -798 -479 131 -425 -881 407 346 -381 -11 -527 -1018 SS 20230118T175151.7Z 8418.744349 303 1 1.26 2 64.92 185.77 85.95 226.59 0.00 1 0.00 1 0 17 2.947e-02 8.616e-03 2.190e-02 5.174e-03 3.749282e-01 2.714209e-03 4.609475e-03 -6.000000e+00 1.758464e-02 223.46 -2.00 3.58 -2.00 317.63 0.00e+00 5.998355e-04 4.225100e-04 1.251136e-04 -6.000000e+00 7.516906e-04 271.00 -2.00 20.00 -2.00 317.13 0.00e+00 2.344 0.000 302.00 328.00 3 2.9558e+00 7.1255e-03 2.9762e-02 -6.0000e+00 4.3393e-02 5.9985e-02 8.0018e-03 1.9238e-02 -6.0000e+00 4.7158e-02 -2.2339e-02 5.0613e-03 9.6755e-03 -6.0000e+00 2.7991e-02 -1.2922e-03 2.5793e-03 2.8473e-03 -6.0000e+00 1.1860e-02 1.7329e-03 -6.8212e-04 1.6184e-04 3.6594e-05 -6.0000e+00 9.1974e-04 -2.8206e-03 4.0273e-06 12 9 1 12 1 1 999.00 23.15 0.15 -0.00282 -0.00795 2 29 1 5 0 361.700 26.73 20.00 23.15 9.85 37.7 985.82 10315 -11930 1641 -7785 4737 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-178 379 -394 -603 -158 -1846 -1082 -2314 -2808 -2221 -129 -1378 243 -723 935 567 708 -832 469 492 553 459 1284 -417 -223 -1079 -236 -869 794 1284 -1880 -1108 -1199 -1079 636 40 665 836 352 -134 -251 1705 255 821 685 -720 -881 1214 342 859 269 -405 827 1386 1333 -81 -396 129 -485 -244 -119 247 -371 487 -986 649 -835 -1207