File name: Pandora185s1_EastProvidenceRI_20240123_L2Fit_fout2c4d20210421p1-8.txt File generation date: 20240124T050106.7Z Data description: Level 2 spectral fitting results file Data file version: fout2c4p1-8 Local principal investigator: Lukas Valin Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 185 Spectrometer number: 1 Processing software version used: BlickP v1.8.59 Instrument operation file used: Pandora185_OF_v3d20200108.txt Instrument calibration file used: Pandora185s1_CF_v4d20210421.txt Level 1 file used: Pandora185s1_EastProvidenceRI_20240123_L1_smca1c4d20210421p1-8.txt Full location name: FRANCIS SCHOOL East Providence Short location name: EastProvidenceRI Country of location: United States Location latitude [deg]: 41.8410 Location longitude [deg]: -71.3610 Location altitude [m]: 15 Local noon date: 20240123 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: 1-8 data preparation fieldcal ref day 20220917 First and last pixel inside fitting window: 193 334 Nominal wavelengths inside fitting window [nm]: 305.1280 305.2694 305.4108 305.5521 305.6935 305.8348 305.9761 306.1174 306.2587 306.4000 306.5413 306.6826 306.8238 306.9651 307.1063 307.2476 307.3888 307.5300 307.6712 307.8123 307.9535 308.0947 308.2358 308.3770 308.5181 308.6592 308.8003 308.9414 309.0825 309.2235 309.3646 309.5056 309.6467 309.7877 309.9287 310.0697 310.2107 310.3517 310.4927 310.6336 310.7746 310.9155 311.0564 311.1973 311.3382 311.4791 311.6200 311.7609 311.9017 312.0426 312.1834 312.3242 312.4651 312.6059 312.7466 312.8874 313.0282 313.1689 313.3097 313.4504 313.5911 313.7319 313.8726 314.0132 314.1539 314.2946 314.4352 314.5759 314.7165 314.8571 314.9977 315.1383 315.2789 315.4195 315.5601 315.7006 315.8412 315.9817 316.1222 316.2627 316.4032 316.5437 316.6842 316.8246 316.9651 317.1055 317.2460 317.3864 317.5268 317.6672 317.8076 317.9479 318.0883 318.2287 318.3690 318.5093 318.6496 318.7899 318.9302 319.0705 319.2108 319.3510 319.4913 319.6315 319.7718 319.9120 320.0522 320.1924 320.3325 320.4727 320.6129 320.7530 320.8931 321.0333 321.1734 321.3135 321.4536 321.5936 321.7337 321.8738 322.0138 322.1538 322.2939 322.4339 322.5739 322.7139 322.8538 322.9938 323.1337 323.2737 323.4136 323.5535 323.6934 323.8333 323.9732 324.1131 324.2530 324.3928 324.5326 324.6725 324.8123 324.9521 --------------------------------------------------------------------------------------- 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 20240123T161013.9Z 8788.673772 385 1 48.27 2 62.25 167.47 110.00 11.99 0.00 1 0.00 1 0 17 2.929e-02 8.620e-03 2.192e-02 3.519e-03 3.068989e-01 1.770706e-03 3.640264e-03 -6.000000e+00 1.674863e-02 223.96 -2.00 3.53 -2.00 318.54 0.00e+00 1.512243e-03 3.563555e-04 3.529614e-04 -6.000000e+00 7.268055e-04 274.44 -2.00 20.00 -2.00 317.96 0.00e+00 2.137 0.000 302.00 328.00 3 4.9954e+00 4.7801e-03 2.6319e-02 -6.0000e+00 4.1350e-02 2.5616e-02 5.4490e-03 1.5527e-02 -6.0000e+00 4.5098e-02 6.7447e-03 3.7431e-03 7.9426e-03 -6.0000e+00 2.6808e-02 -1.2794e-02 1.9570e-03 2.6565e-03 -6.0000e+00 1.1341e-02 2.8995e-04 6.9041e-05 1.0754e-04 2.8061e-05 -6.0000e+00 8.3104e-04 4.4597e-03 0.0000e+00 11 8 0 10 0 0 99.85 22.96 0.38 0.00446 0.00498 16 3 1 5 0 3016.140 26.83 20.00 22.96 13.16 21.0 1006.58 -2763 -5902 9483 -4350 4883 -6156 10357 -4939 -7538 -6402 -15813 -7639 -9858 3275 -1806 -3612 -1762 3977 -1401 -676 992 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1087 108 -874 -80 -743 -569 -631 927 -389 -172 -906 -1497 -741 -832 -1443 -1922 -652 -1428 377 1138 2289 883 1427 -654 -95 -797 219 412 202 -156 -88 1237 134 559 42 437 -228 1219 1015 331 398 -891 -807 766 -636 370 363 1572 85 60 -970 -1812 -673 SS 20240123T175256.3Z 8788.745096 455 1 50.58 2 62.62 194.81 102.94 33.43 0.00 1 0.00 1 0 17 3.744e-02 9.411e-03 3.396e-02 5.093e-03 3.036834e-01 2.565549e-03 3.662271e-03 -6.000000e+00 2.141917e-02 223.97 -2.00 3.53 -2.00 318.73 0.00e+00 8.310253e-04 5.399233e-04 5.898176e-04 -6.000000e+00 9.290997e-04 274.44 -2.00 20.00 -2.00 318.15 0.00e+00 2.163 0.000 302.00 328.00 3 5.4982e+00 6.9405e-03 2.6511e-02 -6.0000e+00 5.2882e-02 3.9428e-02 7.9341e-03 1.5559e-02 -6.0000e+00 5.7666e-02 4.7497e-03 5.5043e-03 7.8987e-03 -6.0000e+00 3.4279e-02 -1.2372e-02 2.8770e-03 2.3961e-03 -6.0000e+00 1.4509e-02 1.7150e-04 4.5623e-04 1.5784e-04 2.8072e-05 -6.0000e+00 1.0623e-03 1.3537e-03 0.0000e+00 12 8 8 10 0 0 99.98 23.07 0.13 0.00135 0.00478 18 4 1 5 0 2809.420 26.94 20.00 23.07 14.41 20.9 1014.97 10015 -737 -2844 -2933 -624 17133 -6205 15241 944 906 -18274 -12907 5461 9932 -512 -8008 8204 -1332 -1186 -2531 -128 -7877 4219 -2839 1181 1655 1645 -11996 -3689 257 415 -249 -323 -4001 -5832 -1924 -2326 540 -289 233 -233 825 -1867 542 -1099 831 625 1607 231 -2728 401 977 1529 1785 823 -73 -1178 1610 438 797 3306 1350 1740 2529 -394 420 206 1127 -64 -381 295 1837 208 585 -498 -2905 -2931 -1258 -1705 -1898 -1285 -992 -1529 -1053 -253 840 414 466 1700 420 83 -1245 -1363 -111 -766 1075 691 638 -486 -369 -2389 -240 -1085 -1766 -1089 -1336 -644 829 1566 910 843 1046 -54 -521 -227 -920 162 -658 -11 -377 776 1051 527 412 -28 -324 362 144 251 -178 -934 -44 -222 -94 59 662 1090 130 -55 -530 -516 -758 423 -37 -144 -135 -26 658 -331 736 57 56 -1386 -1020 417 843 -55 -998 911 -171 -158 -352 -17 -1166 581 -445 186 265 254 -1988 -546 38 67 -45 -61 -766 -1088 -363 -504 136 -87 78 -84 304 -721 205 -465 342 253 635 93 -1183 181 468 772 937 447 -41 -667 871 236 438 1886 857 1185 1747 -266 261 124 703 -45 -299 243 1499 167 437 -340 -1835 -1753 -763 -1163 -1467 -1097 -911 -1485 -1085 -277 960 492 556 1941 452 82 -1149 -1216 -102 -787 1210 868 856 -655 -469 -2851 -264 -1220 -2153 -1399 -1802 -906 1213 2433 1508 1426 1714 -84 -750 -306 -1239 225 -982 -17 -608 1220 1603 776 576 -37 -417 466 199 372 -281 -1530 -74 -384 -173 113 1301 2176 263 -109 -1009 -945 -1366