File name: Pandora39s1_DearbornMI_20230405_L2Fit_fout2c1d20210608p1-8.txt File generation date: 20240123T140155.1Z Data description: Level 2 spectral fitting results file Data file version: fout2c1p1-8 Local principal investigator: Lukas Valin Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 39 Spectrometer number: 1 Processing software version used: BlickP v1.8.59 Instrument operation file used: Pandora39_OF_v3d20200924.txt Instrument calibration file used: Pandora39s1_CF_v1d20210608.txt Level 1 file used: Pandora39s1_DearbornMI_20230405_L1_smca1c1d20210608p1-8.txt Full location name: Dearborn MI - Salina Elementary School (AQS-26-163-0033) Short location name: DearbornMI Country of location: USA Location latitude [deg]: 42.3067 Location longitude [deg]: -83.1488 Location altitude [m]: 181 Local noon date: 20230405 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: None First and last pixel inside fitting window: 260 402 Nominal wavelengths inside fitting window [nm]: 305.1016 305.2419 305.3822 305.5225 305.6628 305.8031 305.9434 306.0837 306.2239 306.3642 306.5044 306.6446 306.7848 306.9250 307.0652 307.2054 307.3455 307.4857 307.6258 307.7659 307.9061 308.0462 308.1862 308.3263 308.4664 308.6064 308.7465 308.8865 309.0265 309.1665 309.3065 309.4465 309.5865 309.7264 309.8664 310.0063 310.1462 310.2861 310.4260 310.5659 310.7058 310.8456 310.9855 311.1253 311.2651 311.4049 311.5447 311.6845 311.8243 311.9641 312.1038 312.2435 312.3833 312.5230 312.6627 312.8024 312.9420 313.0817 313.2214 313.3610 313.5006 313.6402 313.7799 313.9194 314.0590 314.1986 314.3381 314.4777 314.6172 314.7567 314.8962 315.0357 315.1752 315.3147 315.4542 315.5936 315.7330 315.8725 316.0119 316.1513 316.2906 316.4300 316.5694 316.7087 316.8481 316.9874 317.1267 317.2660 317.4053 317.5445 317.6838 317.8231 317.9623 318.1015 318.2407 318.3799 318.5191 318.6583 318.7974 318.9366 319.0757 319.2149 319.3540 319.4931 319.6322 319.7712 319.9103 320.0494 320.1884 320.3274 320.4664 320.6054 320.7444 320.8834 321.0224 321.1613 321.3003 321.4392 321.5781 321.7170 321.8559 321.9948 322.1336 322.2725 322.4113 322.5501 322.6890 322.8278 322.9666 323.1053 323.2441 323.3828 323.5216 323.6603 323.7990 323.9377 324.0764 324.2151 324.3538 324.4924 324.6311 324.7697 324.9083 --------------------------------------------------------------------------------------- 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 20230405T121934.9Z 8495.513598 240 1 35.77 2 77.74 92.92 104.29 281.31 0.00 1 0.00 1 0 17 3.333e-01 2.227e-02 3.236e-01 1.720e-02 5.868449e-01 9.622519e-03 6.736997e-03 -6.000000e+00 1.953459e-01 227.54 -2.00 3.54 -2.00 321.07 0.00e+00 3.089128e-03 4.047517e-03 8.659932e-04 -6.000000e+00 1.031309e-02 277.31 -2.00 20.00 -2.00 320.54 0.00e+00 4.575 0.002 302.00 328.00 3 4.5787e+00 3.0683e-02 5.4873e-02 -6.0000e+00 4.8576e-01 1.2997e-01 3.9200e-02 3.2559e-02 -6.0000e+00 5.2880e-01 -2.2260e-01 3.7626e-02 1.6144e-02 -6.0000e+00 3.1378e-01 9.3231e-02 1.8586e-02 5.5554e-03 -6.0000e+00 1.3547e-01 3.2667e-05 -2.0325e-03 5.4376e-04 6.6452e-05 -6.0000e+00 9.8020e-03 8.8436e-03 -3.3334e-04 12 9 9 12 1 1 99.99 22.15 0.39 0.00884 -0.00643 15 5 1 5 0 2224.730 26.21 19.99 22.15 22.98 16.2 1058.31 900000 900000 -162311 -26324 900000 -57823 -80074 -135599 -42101 900000 900000 -101090 900000 900000 -56044 144600 5603 900000 -69581 67817 -84065 46453 -257 900000 77190 -57417 900000 12385 900000 77067 55327 -398 28568 -22217 964 16148 327 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-2545 1246 -4396 227 -1559 1729 1332 1395 -879 1298 -2807 -4651 1579 -1977 1442 -2709 1202 -2195 845 -1737 -2560 -2973 4977 353 -3123 -735 24 4168 -2445 1994 -1336 -1283 2341 668 121 -2537 -122 -1580 3592 2414 -1660 1118 -1773 3984 285 2372 -3531 3233 -402 1045 365 2406 387 -656 1089 -2526 -57 -727 367 -2570 SS 20230405T145709.4Z 8495.623025 340 1 5.95 2 50.29 124.62 129.65 313.63 0.00 1 0.00 1 0 17 8.480e-03 6.421e-03 3.682e-03 2.059e-03 2.127559e-01 1.059466e-03 2.597712e-03 -6.000000e+00 4.919674e-03 227.55 -2.00 3.54 -2.00 315.76 0.00e+00 5.277674e-04 1.041221e-04 3.241967e-05 -6.000000e+00 2.121114e-04 277.32 -2.00 20.00 -2.00 315.18 0.00e+00 1.562 0.000 302.00 328.00 3 3.7568e+00 2.7345e-03 1.8850e-02 -6.0000e+00 1.2236e-02 7.7666e-04 3.0445e-03 1.0955e-02 -6.0000e+00 1.3277e-02 -4.0989e-03 1.7549e-03 5.3870e-03 -6.0000e+00 7.8834e-03 -2.8489e-03 8.0197e-04 1.5547e-03 -6.0000e+00 3.3467e-03 2.1244e-03 2.0622e-04 6.0427e-05 1.9878e-05 -6.0000e+00 2.3921e-04 2.4828e-03 -3.0525e-05 12 9 1 12 1 1 99.80 22.16 0.31 0.00248 0.00403 10 21 1 5 0 525.230 26.21 20.00 22.16 26.14 16.4 1080.74 -217 -1966 -398 -2636 -960 -2445 -127 310 915 -1089 -2154 661 -1239 -301 235 -334 -251 857 608 642 528 1112 1178 639 801 -116 10 502 -551 1207 1298 1268 808 -1336 -2340 -859 -2276 -906 -124 -849 -1199 -663 -312 -602 71 -111 -841 -309 -234 628 854 669 763 1545 590 896 524 100 613 737 985 1076 1220 1383 -43 -257 169 -524 851 383 12 384 9 454 5 -284 -317 -927 164 -946 -1585 -1737 -2046 -1376 -581 -765 -361 156 478 30 24 198 -46 572 700 130 360 937 -302 -310 -12 -850 -145 364 -666 -1145 -467 -745 -495 488 413 242 -110 113 -7 536 535 127 672 179 -113 199 337 310 321 556 16 1596 818 -32 -69 -464 -12 132 180 -109 -307 490 -181 -388 -259 -480 -515 -50 -487 -96 -641 -206 -526 -29 77 229 -285 -560 174 -371 -101 81 -125 -97 336 247 268 222 463 504 288 375 -56 5 221 -229 491 554 577 394 -665 -1102 -399 -1104 -505 -76 -570 -871 -497 -239 -464 54 -84 -627 -222 -164 438 625 521 589 1239 490 754 448 85 511 614 848 939 1145 1294 -40 -233 149 -454 730 370 13 401 9 456 5 -254 -270 -755 137 -842 -1506 -1815 -2176 -1524 -652 -921 -436 194 595 36 28 220 -49 583 743 145 422 1151 -397 -403 -15 -1017 -163 417 -834 -1462 -619 -994 -689 682 606 346 -158 157 -9 667 656 162 873 251 -157 275 476 421 431 708 21 1979 1026 -43 -94 -650 -17 185 265 -164 -477 773 -280 -616 -397 -716 -780 SS 20230405T164324.1Z 8495.696806 408 1 39.72 2 37.94 158.70 139.52 347.06 0.00 1 0.00 1 0 17 7.827e-03 6.072e-03 4.186e-04 2.327e-04 1.720130e-01 1.194996e-04 2.114341e-03 -6.000000e+00 4.541237e-03 227.56 -2.00 3.54 -2.00 315.91 0.00e+00 4.430184e-04 1.207191e-05 2.514676e-05 -6.000000e+00 1.957758e-04 277.33 -2.00 20.00 -2.00 315.33 0.00e+00 1.267 0.000 302.00 328.00 3 1.2812e+00 3.0905e-04 1.5295e-02 -6.0000e+00 1.1295e-02 1.6309e-03 3.4381e-04 8.9084e-03 -6.0000e+00 1.2255e-02 -4.4161e-03 1.9826e-04 4.3802e-03 -6.0000e+00 7.2768e-03 -2.5356e-03 9.0510e-05 1.2676e-03 -6.0000e+00 3.0895e-03 3.6301e-02 2.7697e-04 6.9102e-06 1.6164e-05 -6.0000e+00 2.2078e-04 1.8998e-03 -2.3501e-05 10 0 0 10 0 0 99.99 22.15 0.26 0.00190 0.00398 1886 420 1 5 0 20.890 26.21 20.00 22.15 31.20 16.7 1100.00 -1035 -715 -1102 -2614 -1145 -745 13 343 304 -1368 -1307 -406 -812 -234 363 -501 196 661 834 1213 483 967 1321 606 532 608 -39 -200 431 1156 1152 1315 1303 -1664 -1947 -1037 -1955 -823 -431 -764 -1178 -500 -649 -797 -44 -480 -583 -316 -508 305 814 461 975 955 555 1037 772 419 531 692 1002 1191 1384 1202 -248 -209 92 -516 1059 360 6 338 19 524 28 -111 -253 -582 28 -797 -1286 -1253 -2213 -1486 -834 -737 -255 -20 290 115 289 388 -81 674 631 91 477 811 -54 -479 -213 -717 -336 554 -534 -1174 -574 -622 -282 416 266 123 70 83 8 329 478 302 573 261 -374 101 268 90 491 615 0 1235 778 151 213 -283 -125 34 259 -121 -238 438 -157 -308 -182 -444 -658 -265 -192 -292 -635 -245 -156 3 84 81 -378 -352 -112 -247 -79 123 -183 72 249 322 478 193 380 530 256 233 272 -17 -82 177 465 481 578 555 -726 -867 -457 -878 -424 -262 -534 -819 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