File name: Pandora166s1_PhiladelphiaPA_20240712_L2Fit_fout2c5d20220925p1-8.txt File generation date: 20240713T053842.8Z Data description: Level 2 spectral fitting results file Data file version: fout2c5p1-8 Local principal investigator: Lukas Valin Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 166 Spectrometer number: 1 Processing software version used: BlickP v1.8.59 Instrument operation file used: Pandora166_OF_v5d20210217.txt Instrument calibration file used: Pandora166s1_CF_v5d20220925.txt Level 1 file used: Pandora166s1_PhiladelphiaPA_20240712_L1_smca1c5d20220925p1-8.txt Full location name: Philadelphia, Pennsylvania; Philadelphia-Camden-Wilmington; North East Waste (NE Short location name: PhiladelphiaPA Country of location: United States Location latitude [deg]: 39.9919 Location longitude [deg]: -75.0811 Location altitude [m]: 6 Local noon date: 20240712 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: HCHO modification of session 4 "Field cal based on session3" First and last pixel inside fitting window: 223 365 Nominal wavelengths inside fitting window [nm]: 305.0654 305.2061 305.3468 305.4875 305.6282 305.7689 305.9096 306.0503 306.1910 306.3316 306.4722 306.6129 306.7535 306.8941 307.0347 307.1753 307.3158 307.4564 307.5969 307.7375 307.8780 308.0185 308.1590 308.2995 308.4400 308.5805 308.7209 308.8614 309.0018 309.1422 309.2827 309.4231 309.5635 309.7038 309.8442 309.9846 310.1249 310.2652 310.4056 310.5459 310.6862 310.8265 310.9668 311.1070 311.2473 311.3875 311.5278 311.6680 311.8082 311.9484 312.0886 312.2288 312.3690 312.5091 312.6493 312.7894 312.9295 313.0696 313.2097 313.3498 313.4899 313.6300 313.7700 313.9101 314.0501 314.1901 314.3301 314.4701 314.6101 314.7501 314.8901 315.0300 315.1700 315.3099 315.4498 315.5897 315.7296 315.8695 316.0094 316.1493 316.2891 316.4290 316.5688 316.7086 316.8484 316.9882 317.1280 317.2678 317.4076 317.5473 317.6871 317.8268 317.9665 318.1062 318.2459 318.3856 318.5253 318.6650 318.8046 318.9443 319.0839 319.2235 319.3631 319.5027 319.6423 319.7819 319.9215 320.0610 320.2006 320.3401 320.4796 320.6191 320.7586 320.8981 321.0376 321.1770 321.3165 321.4559 321.5954 321.7348 321.8742 322.0136 322.1530 322.2923 322.4317 322.5711 322.7104 322.8497 322.9891 323.1284 323.2677 323.4069 323.5462 323.6855 323.8247 323.9640 324.1032 324.2424 324.3816 324.5208 324.6600 324.7992 324.9383 --------------------------------------------------------------------------------------- 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 20240712T183347.3Z 8959.773465 374 1 51.49 2 26.02 232.19 65.59 118.18 0.00 1 0.00 1 0 17 9.404e-03 7.029e-03 2.907e-03 1.660e-03 1.585979e-01 8.593511e-04 1.888280e-03 -6.000000e+00 5.512444e-03 232.83 -2.00 3.49 -2.00 315.75 0.00e+00 4.654304e-04 7.661813e-05 1.936040e-05 -6.000000e+00 2.172392e-04 289.96 -2.00 20.00 -2.00 315.44 0.00e+00 1.112 0.000 302.00 328.00 3 4.7594e+00 2.2508e-03 1.3937e-02 -6.0000e+00 1.3970e-02 3.2482e-02 2.4931e-03 8.2008e-03 -6.0000e+00 1.5149e-02 -2.2074e-03 1.4269e-03 3.9919e-03 -6.0000e+00 8.8714e-03 -3.0677e-03 6.3492e-04 1.1086e-03 -6.0000e+00 3.6661e-03 1.2790e-03 1.7243e-04 4.8156e-05 1.3858e-05 -6.0000e+00 2.5883e-04 -2.1000e-02 -6.2411e-06 11 8 0 10 0 0 99.96 19.39 0.11 -0.02100 -0.01970 38 7 1 5 0 1354.830 26.32 20.01 19.39 34.14 26.7 1079.65 1232 681 -145 -2735 -2162 -1355 -1140 867 904 -1364 -2619 -1073 -839 -629 789 -833 -48 214 917 1115 -235 -203 1298 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1053 280 -496 -126 -736 -789 -187 -1282 -1587 -908 -1156 -246 627 691 312 682 178 -121 201 497 178 704 516 -234 536 456 608 1237 352 -46 1656 754 281 105 -598 -481 180 -403 -186 -127 780 242 -378 -339 -1162 -762 SS 20240712T205404.9Z 8959.870890 467 1 51.16 2 51.23 267.01 47.57 153.80 0.00 1 0.00 1 0 17 1.115e-02 6.700e-03 4.653e-03 1.723e-03 2.219331e-01 8.843416e-04 2.630048e-03 -6.000000e+00 6.537038e-03 232.83 -2.00 3.49 -2.00 317.10 0.00e+00 6.419641e-04 1.066596e-04 4.168191e-05 -6.000000e+00 2.576036e-04 289.97 -2.00 20.00 -2.00 316.76 0.00e+00 1.593 0.000 302.00 328.00 3 4.1639e+00 2.3464e-03 1.9820e-02 -6.0000e+00 1.6566e-02 3.3857e-02 2.6089e-03 1.1531e-02 -6.0000e+00 1.7964e-02 -3.5089e-03 1.5518e-03 5.6273e-03 -6.0000e+00 1.0520e-02 -3.6823e-03 7.4334e-04 1.5746e-03 -6.0000e+00 4.3477e-03 1.2729e-03 2.0598e-04 5.0691e-05 1.8044e-05 -6.0000e+00 3.0691e-04 -2.0489e-02 3.1639e-05 11 8 0 10 0 0 99.98 19.38 0.23 -0.02049 -0.01894 51 9 1 5 0 1003.050 26.32 19.98 19.38 32.36 27.3 1067.71 -1225 -1362 327 -2390 -3134 -2722 47 790 -1659 -1910 -4445 -1268 -1028 -379 366 -1011 -573 -306 1655 1384 986 26 2064 1403 1378 1626 -336 803 -394 575 1388 837 1912 -807 -3897 -2663 -2125 -1634 -14 -748 -1339 -980 -905 -761 -92 -388 -725 -191 -638 -191 1005 775 1408 1081 909 1009 591 -24 -104 800 1113 1600 2097 1923 245 -683 75 -888 1088 609 208 551 527 657 -78 -29 -874 -970 -359 -571 -1124 -1445 -2049 -1838 -933 -680 -217 35 201 430 269 332 -265 460 555 325 436 1020 192 -271 -285 -1022 -416 116 -912 -1384 -1135 -848 -253 509 285 222 476 -130 108 341 325 378 581 381 -250 190 454 448 683 292 37 1205 529 69 274 -429 -237 101 -202 -229 -282 240 -1 -182 -56 -345 -384 -166 -202 49 -348 -411 -336 6 108 -259 -314 -743 -207 -183 -76 82 -251 -148 -81 445 385 281 7 587 418 431 524 -111 248 -115 162 401 259 627 -281 -1320 -864 -731 -640 -6 -393 -772 -587 -557 -472 -57 -239 -441 -113 -368 -109 589 483 917 738 638 718 428 -18 -75 569 807 1223 1708 1655 214 -567 57 -661 826 514 192 528 508 618 -70 -24 -661 -694 -259 -453 -988 -1386 -2095 -1950 -1037 -800 -266 44 255 534 317 361 -269 442 549 346 505 1278 255 -362 -365 -1232 -475 134 -1132 -1816 -1541 -1189 -365 765 447 352 737 -192 149 443 417 497 806 561 -381 287 675 647 945 390 47 1513 696 96 397 -638 -356 155 -325 -385 -486 418 -2 -319 -95 -574 -627 SS 20240712T212411.7Z 8959.891802 494 1 49.47 2 57.00 271.89 45.62 163.63 0.00 1 0.00 1 0 17 1.619e-02 7.160e-03 1.059e-02 3.025e-03 2.558421e-01 1.549731e-03 3.022466e-03 -6.000000e+00 9.487882e-03 232.83 -2.00 3.49 -2.00 317.64 0.00e+00 8.223821e-04 2.147582e-04 5.764096e-05 -6.000000e+00 3.740119e-04 289.97 -2.00 20.00 -2.00 317.30 0.00e+00 1.830 0.000 302.00 328.00 3 4.8515e+00 4.1398e-03 2.2806e-02 -6.0000e+00 2.4044e-02 5.2887e-02 4.6123e-03 1.3321e-02 -6.0000e+00 2.6076e-02 -5.1690e-03 2.8469e-03 6.5164e-03 -6.0000e+00 1.5270e-02 -2.9832e-03 1.4152e-03 1.8323e-03 -6.0000e+00 6.3086e-03 4.7316e-04 -1.2896e-04 8.9192e-05 2.0579e-05 -6.0000e+00 4.4567e-04 -2.0725e-02 -7.1286e-05 11 9 0 11 8 0 99.89 19.39 0.35 -0.02072 -0.02169 14 3 1 5 0 3533.380 26.32 19.99 19.39 34.23 26.7 1079.58 3009 5286 -591 -2954 -2936 -5728 5148 582 -1762 1053 -5587 1049 -1844 -671 -2205 -3076 1926 -576 2438 -62 397 -740 3263 3155 -1465 1757 -1738 1761 -1549 2308 1662 1019 3050 -2755 -2788 -4884 -3049 -2752 -244 -599 -1198 -1061 -440 58 -750 542 154 -2481 -554 1026 1324 668 719 1347 1318 651 -526 200 -246 799 1374 1287 2356 1685 437 -1611 -531 -761 1386 523 58 1173 125 828 -29 586 -1198 -1186 -123 -1114 -1177 -771 -1817 -1676 -323 -585 -251 195 481 528 699 476 -1 84 553 123 494 790 -148 -313 425 -617 -416 -402 -1474 -1547 -721 -676 -133 480 686 -148 128 -465 -18 250 134 459 472 222 -491 -149 359 559 644 254 473 948 813 -111 202 -524 25 -25 -36 -158 -266 884 73 -101 23 -841 -490 282 535 -65 -316 -282 -535 452 59 -204 125 -707 127 -254 -104 -397 -615 385 -122 525 -14 92 -173 744 754 -385 464 -476 444 -378 530 402 268 847 -838 -805 -1396 -916 -947 -97 -277 -608 -563 -239 32 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