File name: Pandora139s1_BlueHillMA_20211005_L2Fit_fout2c8d20200818p1-8.txt File generation date: 20260515T070948.3Z Data description: Level 2 spectral fitting results file Data file version: fout2c8p1-8 Local principal investigator: Jeff Geddes Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 139 Spectrometer number: 1 Processing software version used: BlickP v1.8.88 Instrument operation file used: Pandora139_OF_v3d20200209.txt Instrument calibration file used: Pandora139s1_CF_v8d20200818.txt Level 1 file used: Pandora139s1_BlueHillMA_20211005_L1_smca1c8d20200818p1-8.txt Full location name: Blue Hill, Department of Environmental Protection, MA Short location name: BlueHillMA Country of location: United States Location latitude [deg]: 42.2118 Location longitude [deg]: -71.1145 Location altitude [m]: 188 Local noon date: 20211005 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: 240 382 Nominal wavelengths inside fitting window [nm]: 305.0623 305.2031 305.3438 305.4844 305.6251 305.7658 305.9064 306.0471 306.1877 306.3283 306.4689 306.6095 306.7501 306.8907 307.0312 307.1718 307.3123 307.4528 307.5933 307.7338 307.8743 308.0148 308.1552 308.2957 308.4361 308.5765 308.7170 308.8574 308.9977 309.1381 309.2785 309.4188 309.5592 309.6995 309.8398 309.9801 310.1204 310.2607 310.4009 310.5412 310.6814 310.8217 310.9619 311.1021 311.2423 311.3825 311.5226 311.6628 311.8029 311.9431 312.0832 312.2233 312.3634 312.5035 312.6435 312.7836 312.9236 313.0637 313.2037 313.3437 313.4837 313.6237 313.7637 313.9036 314.0436 314.1835 314.3234 314.4634 314.6033 314.7432 314.8830 315.0229 315.1628 315.3026 315.4424 315.5822 315.7220 315.8618 316.0016 316.1414 316.2811 316.4209 316.5606 316.7003 316.8401 316.9798 317.1194 317.2591 317.3988 317.5384 317.6781 317.8177 317.9573 318.0969 318.2365 318.3761 318.5156 318.6552 318.7947 318.9343 319.0738 319.2133 319.3528 319.4923 319.6317 319.7712 319.9106 320.0501 320.1895 320.3289 320.4683 320.6077 320.7470 320.8864 321.0258 321.1651 321.3044 321.4437 321.5830 321.7223 321.8616 322.0009 322.1401 322.2794 322.4186 322.5578 322.6970 322.8362 322.9754 323.1146 323.2537 323.3929 323.5320 323.6711 323.8102 323.9493 324.0884 324.2275 324.3665 324.5056 324.6446 324.7837 324.9227 --------------------------------------------------------------------------------------- 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: Humidity in head sensor [%], -9=no humidity signal Column 98: Pressure in head sensor [hPa], -9=no pressure signal Columns 99-241: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting Columns 242-384: 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 20211005T181740.6Z 7948.762276 313 1 49.70 2 52.92 213.50 50.11 226.08 0.00 1 0.00 1 0 17 8.331e-03 5.603e-03 1.427e-03 5.737e-04 2.057328e-01 2.906622e-04 2.512328e-03 -6.000000e+00 4.814679e-03 226.79 -2.00 3.53 -2.00 316.95 0.00e+00 3.986936e-04 3.806323e-05 7.332173e-05 -6.000000e+00 2.138169e-04 283.51 -2.00 20.00 -2.00 316.21 0.00e+00 1.655 0.000 302.00 328.00 3 1.9691e+00 7.6043e-04 1.9340e-02 -6.0000e+00 1.1927e-02 2.9445e-02 8.5363e-04 1.0632e-02 -6.0000e+00 1.2939e-02 2.1432e-03 4.9978e-04 5.2297e-03 -6.0000e+00 7.7168e-03 -5.9267e-03 2.4020e-04 1.4887e-03 -6.0000e+00 3.2897e-03 1.1666e-02 1.8265e-05 1.7035e-05 1.7798e-05 -6.0000e+00 2.3306e-04 -5.6434e-03 0.0000e+00 10 0 0 10 0 0 99.99 23.90 0.19 -0.00564 -0.00551 652 118 1 5 0 76.210 26.94 20.00 23.90 56.0 967.73 -209 -666 -1181 -2231 -3261 -1522 -477 418 1035 -616 -1794 -1384 -256 -83 400 215 -100 202 385 737 655 505 1055 760 446 597 -289 -940 -516 111 1068 1227 1267 -439 -2589 -2183 -2055 -1207 -119 -199 -719 -724 -470 -565 -194 -221 -677 -541 -875 -389 458 794 752 1076 657 832 928 480 374 383 887 1299 1574 1603 765 -322 -508 -963 169 809 378 654 396 411 329 -466 -572 -1280 -854 -738 -981 -974 -1743 -1698 -1074 -587 -141 268 539 495 406 204 -174 -204 159 190 131 831 474 26 -215 -720 -965 -451 -416 -752 -586 -590 -227 372 600 444 354 127 -262 -314 -198 -35 46 285 25 126 234 310 365 505 82 360 549 197 312 18 -334 -17 -8 249 -114 352 85 -61 -241 -365 -785 -32 -112 -201 -359 -473 -205 -67 65 176 -111 -322 -251 -50 -18 99 58 -28 58 114 223 202 155 326 246 152 210 -102 -314 -160 33 325 399 440 -158 -900 -734 -741 -501 -58 -105 -418 -441 -292 -354 -121 -137 -412 -318 -502 -237 268 492 492 733 463 595 673 348 267 272 644 1000 1304 1403 673 -266 -384 -703 128 681 350 634 386 389 292 -376 -446 -941 -639 -610 -849 -927 -1787 -1825 -1221 -713 -169 332 668 635 485 223 -173 -193 155 202 154 1067 609 36 -279 -866 -1101 -523 -520 -1004 -817 -804 -323 555 937 704 543 181 -368 -410 -254 -47 65 432 36 185 358 456 510 669 104 447 714 274 456 27 -511 -28 -13 407 -193 607 149 -105 -403 -592 -1245 SS 20211005T182217.6Z 7948.765482 316 1 50.45 2 53.40 214.80 50.73 227.30 0.00 1 0.00 1 0 17 1.048e-02 5.744e-03 3.554e-03 1.298e-03 2.078785e-01 6.576457e-04 2.527459e-03 -6.000000e+00 6.055003e-03 226.79 -2.00 3.53 -2.00 317.19 0.00e+00 3.277864e-04 9.149276e-05 7.950863e-05 -6.000000e+00 2.689008e-04 283.51 -2.00 20.00 -2.00 316.44 0.00e+00 1.673 0.000 302.00 328.00 3 2.1897e+00 1.7292e-03 1.9550e-02 -6.0000e+00 1.5000e-02 2.9737e-02 1.9442e-03 1.0735e-02 -6.0000e+00 1.6272e-02 4.9944e-03 1.1506e-03 5.2813e-03 -6.0000e+00 9.7048e-03 -7.6439e-03 5.5759e-04 1.5011e-03 -6.0000e+00 4.1371e-03 9.1492e-03 1.9243e-05 3.8878e-05 1.7865e-05 -6.0000e+00 2.9311e-04 -5.5991e-03 0.0000e+00 11 1 0 11 8 0 99.98 23.90 0.18 -0.00560 -0.00545 235 42 2 5 0 214.650 26.94 20.00 23.90 56.1 971.60 332 1559 -2493 -1915 -5776 -261 -1797 709 1549 -95 632 -2927 1853 -2186 826 -1082 351 227 466 1184 -143 1255 129 1726 -594 561 -623 -426 295 -468 2311 531 2143 -915 -2427 -2077 -2149 -946 -123 -76 -1358 -800 -682 -480 -292 52 -359 -544 -500 -1020 588 382 1020 1089 804 948 651 831 -18 794 674 1249 1373 1736 539 -300 -166 -1417 249 268 473 485 347 545 300 -54 -953 -952 -1314 -586 -1234 -833 -1558 -1740 -927 -679 65 188 793 429 477 144 -126 -101 -129 382 40 899 434 -36 -223 -749 -762 -682 -215 -922 -561 -555 -135 378 665 615 209 151 -454 -301 -294 72 63 372 -25 -142 431 178 328 384 -62 383 418 208 144 35 -460 153 -77 247 -71 394 181 -45 9 -524 -734 45 225 -380 -273 -769 -31 -229 98 236 -15 100 -487 322 -445 182 -264 88 58 123 321 -40 345 36 501 -186 179 -199 -129 83 -129 642 161 677 -304 -780 -650 -719 -361 -55 -39 -766 -470 -410 -290 -177 31 -213 -313 -281 -573 338 234 651 726 553 663 464 589 -13 554 483 943 1110 1478 463 -242 -124 -1039 188 225 427 460 331 506 263 -44 -706 -664 -941 -458 -1073 -789 -1567 -1840 -1030 -802 80 238 1004 532 556 156 -127 -97 -127 406 47 1129 575 -48 -283 -894 -870 -790 -265 -1206 -764 -784 -197 573 1050 985 327 223 -628 -393 -377 95 89 551 -38 -218 644 259 457 512 -80 484 550 289 209 52 -694 237 -125 417 -124 694 323 -79 16 -883 -1217