File name: Pandora55s1_QueensNY_20230918_L2Fit_fout2c17d20220526p1-8.txt File generation date: 20240123T142625.8Z Data description: Level 2 spectral fitting results file Data file version: fout2c17p1-8 Local principal investigator: Lukas Valin Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 55 Spectrometer number: 1 Processing software version used: BlickP v1.8.59 Instrument operation file used: Pandora55_OF_v5d20190723.txt Instrument calibration file used: Pandora55s1_CF_v17d20220526.txt Level 1 file used: Pandora55s1_QueensNY_20230918_L1_smca1c17d20220526p1-8.txt Full location name: Queens College NYSDEC (USEPA AQS ID 36-081-0124) Short location name: QueensNY Country of location: USA Location latitude [deg]: 40.7361 Location longitude [deg]: -73.8215 Location altitude [m]: 25 Local noon date: 20230918 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: 262 404 Nominal wavelengths inside fitting window [nm]: 305.1320 305.2720 305.4120 305.5520 305.6920 305.8320 305.9719 306.1119 306.2518 306.3917 306.5317 306.6716 306.8115 306.9514 307.0912 307.2311 307.3709 307.5108 307.6506 307.7905 307.9303 308.0701 308.2099 308.3496 308.4894 308.6292 308.7689 308.9087 309.0484 309.1881 309.3278 309.4675 309.6072 309.7469 309.8866 310.0262 310.1659 310.3055 310.4451 310.5847 310.7243 310.8639 311.0035 311.1431 311.2827 311.4222 311.5618 311.7013 311.8408 311.9803 312.1198 312.2593 312.3988 312.5383 312.6777 312.8172 312.9566 313.0960 313.2355 313.3749 313.5143 313.6536 313.7930 313.9324 314.0717 314.2111 314.3504 314.4897 314.6291 314.7684 314.9077 315.0469 315.1862 315.3255 315.4647 315.6040 315.7432 315.8824 316.0216 316.1608 316.3000 316.4392 316.5783 316.7175 316.8566 316.9958 317.1349 317.2740 317.4131 317.5522 317.6913 317.8303 317.9694 318.1085 318.2475 318.3865 318.5255 318.6645 318.8035 318.9425 319.0815 319.2205 319.3594 319.4984 319.6373 319.7762 319.9151 320.0540 320.1929 320.3318 320.4707 320.6095 320.7484 320.8872 321.0260 321.1649 321.3037 321.4425 321.5812 321.7200 321.8588 321.9975 322.1363 322.2750 322.4137 322.5524 322.6911 322.8298 322.9685 323.1072 323.2458 323.3845 323.5231 323.6617 323.8003 323.9389 324.0775 324.2161 324.3547 324.4932 324.6318 324.7703 324.9089 --------------------------------------------------------------------------------------- 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 20230918T195757.1Z 8661.831911 353 1 50.48 2 57.66 240.12 57.21 189.46 0.00 1 0.00 1 0 25 8.769e-03 6.218e-03 1.261e-03 5.655e-04 2.469010e-01 2.972708e-04 2.991657e-03 -6.000000e+00 5.231341e-03 228.89 -2.00 3.51 -2.00 316.48 0.00e+00 -7.936397e-05 3.576064e-05 5.849854e-05 -6.000000e+00 2.356414e-04 287.58 -2.00 20.00 -2.00 315.69 0.00e+00 1.863 0.000 302.00 328.00 3 2.4997e+00 7.7550e-04 2.2589e-02 -6.0000e+00 1.2998e-02 1.9227e-02 8.6639e-04 1.2788e-02 -6.0000e+00 1.4061e-02 5.6517e-03 5.0223e-04 6.2475e-03 -6.0000e+00 8.3953e-03 -5.0972e-03 2.3493e-04 1.7312e-03 -6.0000e+00 3.5607e-03 5.0526e-03 3.5673e-04 1.7477e-05 2.3192e-05 -6.0000e+00 2.6353e-04 1.2134e-02 0.0000e+00 12 1 1 12 4 4 99.99 19.34 0.14 0.01213 0.01481 352 67 1 5 0 143.380 26.00 20.00 19.34 27.15 36.3 1054.32 -2586 -1233 -4405 -1625 -370 196 2218 1094 -601 -618 1001 532 -287 612 -703 -882 -270 465 709 -176 839 1102 435 387 -5 -104 -769 247 1132 1364 1498 1416 -1209 -868 548 17 309 354 -523 -1337 -901 -1252 -1051 -883 -616 -1120 -652 -649 443 707 521 764 798 653 592 1012 283 692 936 1404 1399 1144 531 -609 -280 88 415 1416 984 97 -271 -643 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359 1 50.01 2 59.12 242.04 57.54 191.87 0.00 1 0.00 1 0 17 1.841e-02 7.370e-03 3.461e-03 1.418e-03 2.577974e-01 7.445923e-04 3.105802e-03 -6.000000e+00 1.098124e-02 228.89 -2.00 3.51 -2.00 316.69 0.00e+00 -2.741560e-04 9.433458e-05 7.362887e-05 -6.000000e+00 4.946556e-04 287.58 -2.00 20.00 -2.00 315.89 0.00e+00 1.940 0.000 302.00 328.00 3 4.1927e+00 1.9479e-03 2.3534e-02 -6.0000e+00 2.7285e-02 3.2107e-02 2.1798e-03 1.3329e-02 -6.0000e+00 2.9517e-02 6.8650e-03 1.2717e-03 6.5103e-03 -6.0000e+00 1.7623e-02 -5.1905e-03 6.0185e-04 1.8036e-03 -6.0000e+00 7.4742e-03 8.4074e-04 2.2866e-04 4.3812e-05 2.3606e-05 -6.0000e+00 5.5321e-04 1.2387e-02 0.0000e+00 12 9 1 12 4 4 99.98 19.36 0.35 0.01239 0.01411 45 9 1 5 0 1111.190 26.00 20.02 19.36 27.31 36.3 1055.32 -5692 7008 -8952 -2022 2995 -1754 7866 -190 -790 -4881 -614 -2558 -6761 3682 142 -1915 -625 4123 1947 1461 531 1643 -2140 1182 -898 3011 -567 -462 451 316 2273 379 -2668 -2058 2224 -1169 -186 436 354 -1757 -411 -1439 -1315 -993 318 -1619 -82 -101 1026 495 70 -276 1639 1254 876 1327 1039 742 807 1286 1785 967 -55 -228 -1271 727 -17 1501 616 -207 74 85 -859 3 -314 174 1165 637 -281 -1056 143 -1604 -1097 -1521 -962 -1076 -276 -553 -394 5 -144 476 1064 1480 998 583 672 -92 -614 -579 -544 -253 961 271 -481 -411 -730 -132 404 284 -609 -193 -175 -295 393 601 1024 620 -243 -884 -193 30 162 -63 29 306 1147 677 429 781 333 390 286 275 -342 156 123 -302 -602 -279 -457 -208 -142 -904 1034 -1483 -295 391 -242 1085 -31 -139 -907 -111 -503 -1537 856 37 -541 -181 1186 588 453 168 517 -716 404 -326 1069 -203 -158 147 104 776 141 -1054 -807 819 -450 -78 207 191 -1050 -257 -933 -866 -652 208 -1061 -52 -64 639 313 47 -191 1169 925 663 1018 803 574 617 986 1401 802 -48 -206 -1141 615 -14 1210 526 -191 72 84 -851 3 -288 150 936 503 -231 -942 136 -1633 -1162 -1671 -1097 -1280 -337 -689 -489 6 -167 518 1101 1509 1058 656 807 -118 -808 -758 -687 -305 1121 323 -599 -532 -973 -180 566 412 -914 -292 -260 -421 532 786 1330 826 -338 -1279 -282 43 232 -89 40 405 1472 870 569 1078 474 567 420 413 -532 249 200 -499 -1002 -459 -739 -329 -221 SS 20230918T204603.2Z 8661.865315 384 1 2.87 2 65.94 250.04 59.83 202.41 0.00 1 0.00 1 0 25 1.767e-02 6.836e-03 1.013e-02 3.046e-03 3.291811e-01 1.596614e-03 3.925320e-03 -6.000000e+00 1.054474e-02 228.89 -2.00 3.51 -2.00 317.31 0.00e+00 1.669697e-05 2.375024e-04 9.391593e-05 -6.000000e+00 4.748843e-04 287.58 -2.00 20.00 -2.00 316.50 0.00e+00 2.435 0.000 302.00 328.00 3 2.2475e+00 4.2209e-03 2.9698e-02 -6.0000e+00 2.6201e-02 2.3489e-02 4.7434e-03 1.7010e-02 -6.0000e+00 2.8341e-02 -1.8302e-03 2.8462e-03 8.2972e-03 -6.0000e+00 1.6921e-02 -2.3679e-03 1.3998e-03 2.3051e-03 -6.0000e+00 7.1789e-03 3.2703e-03 3.3459e-04 9.3102e-05 2.8859e-05 -6.0000e+00 5.3111e-04 1.0542e-02 0.0000e+00 12 9 1 12 5 5 80.07 19.35 0.27 0.01054 0.01306 6 23 1 5 0 407.890 26.00 19.98 19.35 27.29 36.2 1055.51 -7057 1475 -8594 374 1092 -4956 7184 -1574 -28 -8390 1321 -2950 -128 -1301 -2272 -2438 975 1759 562 -18 273 3074 -2261 1197 1226 1305 -1325 511 696 951 3674 1593 -930 -1870 3493 -507 -968 614 362 -1490 -869 -2062 -1399 -861 -370 -753 -1770 39 -379 1298 -318 -530 1421 287 1742 813 644 1035 1412 1336 2000 1436 1404 -447 -566 844 -114 1424 326 198 -238 -608 -372 -325 -566 58 92 1165 401 -420 -264 -1462 -1010 -1251 -758 -1130 -469 -576 -655 -250 150 137 920 1206 804 627 862 -82 -155 -521 -303 58 419 420 -287 -679 -674 -319 25 -415 -151 -278 168 -404 623 849 816 462 -157 -911 -265 -16 -244 380 84 430 1376 1338 557 160 94 -21 436 243 -314 -106 249 -517 -663 -256 -260 17 -66 -737 150 -935 36 98 -473 671 -178 -3 -1106 165 -416 -20 -233 -454 -524 214 402 134 -4 68 758 -598 327 350 379 -385 140 187 259 1046 504 -314 -637 1117 -169 -356 254 169 -774 -473 -1167 -806 -497 -213 -434 -1017 22 -215 747 -194 -339 931 196 1205 578 464 738 997 947 1456 1099 1129 -377 -477 676 -89 1110 268 176 -222 -577 -351 -300 -499 48 72 898 324 -368 -249 -1469 -1052 -1346 -843 -1312 -558 -695 -792 -295 170 148 952 1231 859 710 1038 -105 -205 -686 -385 71 496 503 -358 -880 -895 -436 36 -609 -228 -424 252 -591 871 1147 1100 638 -225 -1353 -395 -23 -358 545 118 584 1819 1775 768 231 140 -32 670 382 -510 -177 422 -892 -1150 -439 -436 28 -107