File name: Pandora147s1_SWDetroitMI_20240128_L2Fit_fwvt1c9d20221206p1-8.txt File generation date: 20240129T185415.7Z Data description: Level 2 spectral fitting results file Data file version: fwvt1c9p1-8 Local principal investigator: Lukas Valin Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 147 Spectrometer number: 1 Processing software version used: BlickP v1.8.59 Instrument operation file used: Pandora147_OF_v4d20210429.txt Instrument calibration file used: Pandora147s1_CF_v9d20221206.txt Level 1 file used: Pandora147s1_SWDetroitMI_20240128_L1_smca1c9d20221206p1-8.txt Full location name: SW Detroit (SWHS) (AQS-26-163-0015) Short location name: SWDetroitMI Country of location: USA Location latitude [deg]: 42.3026 Location longitude [deg]: -83.1068 Location altitude [m]: 178 Local noon date: 20240128 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: 1657 1806 Nominal wavelengths inside fitting window [nm]: 492.1202 492.2413 492.3624 492.4835 492.6045 492.7256 492.8466 492.9676 493.0886 493.2095 493.3305 493.4514 493.5723 493.6932 493.8141 493.9350 494.0558 494.1767 494.2975 494.4183 494.5391 494.6598 494.7806 494.9013 495.0221 495.1428 495.2634 495.3841 495.5048 495.6254 495.7460 495.8666 495.9872 496.1078 496.2283 496.3489 496.4694 496.5899 496.7104 496.8309 496.9513 497.0718 497.1922 497.3126 497.4330 497.5534 497.6737 497.7941 497.9144 498.0347 498.1550 498.2752 498.3955 498.5157 498.6360 498.7562 498.8764 498.9965 499.1167 499.2368 499.3570 499.4771 499.5972 499.7172 499.8373 499.9573 500.0774 500.1974 500.3174 500.4373 500.5573 500.6773 500.7972 500.9171 501.0370 501.1569 501.2767 501.3966 501.5164 501.6362 501.7560 501.8758 501.9955 502.1153 502.2350 502.3547 502.4744 502.5941 502.7137 502.8334 502.9530 503.0726 503.1922 503.3118 503.4314 503.5509 503.6704 503.7899 503.9094 504.0289 504.1484 504.2678 504.3872 504.5067 504.6260 504.7454 504.8648 504.9841 505.1035 505.2228 505.3421 505.4613 505.5806 505.6998 505.8191 505.9383 506.0575 506.1767 506.2958 506.4150 506.5341 506.6532 506.7723 506.8914 507.0104 507.1295 507.2485 507.3675 507.4865 507.6055 507.7244 507.8434 507.9623 508.0812 508.2001 508.3190 508.4378 508.5567 508.6755 508.7943 508.9131 509.0319 509.1507 509.2694 509.3881 509.5068 509.6255 509.7442 509.8629 509.9815 --------------------------------------------------------------------------------------- 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: Water vapor slant column amount [moles per square meter], -9e99=fitting not successful Column 23: Independent uncertainty of water vapor 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 water vapor 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 water vapor 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 water vapor 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: Water vapor effective temperature [K] Column 28: Independent uncertainty of water vapor 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 water vapor 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 water vapor 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 water vapor fitting wavelength [nm], -9=fitting not successful Column 32: Diffuse correction applied before fitting at effective fitting wavelength for water vapor [%], 0=no diffuse correction applied or fitting not requested, >0=measured diffuse correction, <0=(negative value of) calculated diffuse correction Column 33: Nitrogen dioxide slant column amount [moles per square meter], -9e99=fitting not successful Column 34: Independent uncertainty of nitrogen 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 nitrogen 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 nitrogen 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 nitrogen 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: Nitrogen dioxide effective temperature [K] Column 39: Independent uncertainty of nitrogen 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 nitrogen 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 nitrogen 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 nitrogen dioxide fitting wavelength [nm], -9=fitting not successful Column 43: Diffuse correction applied before fitting at effective fitting wavelength for nitrogen dioxide [%], 0=no diffuse correction applied or fitting not requested, >0=measured diffuse correction, <0=(negative value of) calculated diffuse correction Column 44: Ozone slant column amount [moles per square meter], -9e99=fitting not successful Column 45: 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 46: 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 47: 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 48: 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 49: Ozone effective temperature [K] Column 50: 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 51: 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 52: 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 53: Effective ozone fitting wavelength [nm], -9=fitting not successful Column 54: 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 55: Molecular scattering air mass factor used for molecular scattering subtraction before the fitting Column 56: Estimated uncertainty of molecular scattering air mass factor, -9=molecular scattering was not subtracted before the fitting Column 57: Lower limit used for wavelength scaling [nm] Column 58: Upper limit used for wavelength scaling [nm] Column 59: Order of smoothing polynomial Column 60: Smoothing polynomial coefficient, order 0 Column 61: Independent uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful Column 62: Structured uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful Column 63: Common uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful Column 64: rms-based uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful Column 65: Smoothing polynomial coefficient, order 1 Column 66: Independent uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful Column 67: Structured uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful Column 68: Common uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful Column 69: rms-based uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful Column 70: Mean value of measured data inside fitting window [same units as measurements] Column 71: Wavelength change polynomial coefficient, order 0 Column 72: Independent uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful Column 73: Structured uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful Column 74: Common uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful Column 75: rms-based uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful Column 76: L1 based wavelength change coefficient, order 0, -9=no L1 wavelength change determination Column 77: L1 based wavelength change coefficient, order 1, -9=no L1 wavelength change determination Column 78: 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 79: 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 80: 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 81: 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 82: 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 83: 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 84: Atmospheric variability [%], 999=no atmospheric variability was determined Column 85: Wavelength effective temperature [°C], 999=no effective temperature given Column 86: Estimated average residual stray light level [%] (only valid for stray light correction methods 2 and higher) Column 87: Retrieved wavelength shift from L1 data [nm], -9=no wavelength change determination Column 88: Retrieved total wavelength shift [nm], -9=no wavelength change fitting Column 89: Number of bright count cycles Column 90: Number of dark count cycles Column 91: Effective position of filterwheel #1, 0=filterwheel not used, 1-9 are valid positions Column 92: Effective position of filterwheel #2, 0=filterwheel not used, 1-9 are valid positions Column 93: Sum over 2^i, 0=spectra were interpolated in time, 1=spectra are corrected for off-target signal Column 94: Integration time [ms] Column 95: Temperature at electronics board [°C], 999=no temperature signal Column 96: Spectrometer control temperature [°C], 999=no temperature signal Column 97: Auxiliary spectrometer temperature [°C], 999=no temperature signal Column 98: Temperature in head sensor [°C], 999=no temperature signal Column 99: Humidity in head sensor [%], -9=no humidity signal Column 100: Pressure in head sensor [hPa], -9=no pressure signal Columns 101-250: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting Columns 251-400: 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 --------------------------------------------------------------------------------------- SQ 20240128T213432.3Z 8793.898985 553 1 2.24 2 80.21 234.24 125.11 27.42 0.00 1 0.00 1 0 15 3.922e-03 3.886e-03 1.674e-03 1.670e-03 3.493927e+03 9.648951e+01 2.570014e+02 -6.000000e+00 2.029822e+02 273.06 -2.00 20.00 -2.00 505.27 0.00e+00 9.059852e-04 4.429021e-05 5.408674e-05 -6.000000e+00 1.060778e-04 273.06 -2.00 20.00 -2.00 500.45 0.00e+00 6.776074e-01 3.258615e-02 2.852403e-02 -6.000000e+00 7.640617e-02 224.06 -2.00 3.54 -2.00 502.04 0.00e+00 5.621 0.003 489.00 513.00 1 4.6642e+00 2.4855e-03 8.3280e-03 -6.0000e+00 5.8307e-03 1.4708e-02 6.4711e-04 7.9755e-04 -6.0000e+00 1.5269e-03 7.8974e-03 -1.4878e-03 1.4570e-04 3.9186e-05 -6.0000e+00 3.5308e-04 -6.4245e-03 1.9602e-05 12 9 1 12 1 1 -12543.01 16.17 1.02 -0.00642 -0.01674 3 20 1 4 0 559.060 22.29 14.99 16.17 10.24 31.0 939.53 -766 -762 -288 84 207 561 805 706 134 314 -24 57 -288 -332 -145 -125 -48 -103 -45 208 81 386 335 363 339 443 256 29 -242 -584 -658 -206 -224 79 157 323 237 157 -367 -286 197 114 382 408 235 424 500 52 -289 -130 -809 -987 -840 -461 39 161 -67 277 194 187 126 482 233 216 219 259 -21 -196 -446 -506 -363 -324 2 -82 -154 -41 -178 -547 -376 -657 -504 -570 -119 -365 -272 -282 -114 -132 -142 -109 308 373 391 438 528 134 75 -208 -848 -830 -966 -556 -273 74 -140 97 -310 -372 -389 74 -153 -2 552 625 582 556 684 323 693 254 123 227 411 -248 224 289 425 407 691 -59 301 200 -190 -163 31 -236 -127 247 98 144 327 363 336 -150 95 -224 -357 -504 -930 -492 -759 -757 -290 87 215 592 844 744 141 325 -25 59 -292 -340 -148 -126 -49 -107 -48 217 84 402 350 380 357 465 268 31 -247 -590 -660 -208 -228 81 167 341 247 161 -376 -297 204 117 396 427 244 447 522 54 -294 -131 -809 -967 -818 -455 38 162 -69 284 199 191 129 496 241 222 223 259 -21 -195 -440 -492 -351 -317 2 -82 -152 -41 -173 -524 -365 -639 -483 -551 -116 -359 -265 -277 -112 -129 -138 -107 304 374 389 433 523 130 73 -196 -803 -775 -908 -524 -262 72 -139 96 -301 -363 -379 73 -151 -2 553 618 578 556 688 326 687 248 121 219 398 -244 219 283 416 397 672 -58 290 193 -181 -155 30 -225 -125 240 97 143 320 357 332 -149 95 -219 -349 -480 -895 -475