File name: Pandora54s1_Seoul_20240328_L2Fit_fwvt1c17d20220516p1-8.txt File generation date: 20240328T154434.8Z Data description: Level 2 spectral fitting results file Data file version: fwvt1c17p1-8 Local principal investigator: Jaemin Hong Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 54 Spectrometer number: 1 Processing software version used: BlickP v1.8.59 Instrument operation file used: Pandora54_OF_v4d20200817.txt Instrument calibration file used: Pandora54s1_CF_v17d20220516.txt Level 1 file used: Pandora54s1_Seoul_20240328_L1_smca1c17d20220516p1-8.txt Full location name: Yonsei University/Seoul Short location name: Seoul Country of location: South Korea Location latitude [deg]: 37.5644 Location longitude [deg]: 126.9340 Location altitude [m]: 86 Local noon date: 20240328 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, radiometric temperature correction, matrix method stray light correction (replaced by simple method) Data caveats: 1.8 data preparation: lab analysis with L4 copied from P53, refday 20220826 First and last pixel inside fitting window: 1689 1839 Nominal wavelengths inside fitting window [nm]: 492.0470 492.1677 492.2883 492.4089 492.5295 492.6501 492.7707 492.8912 493.0118 493.1323 493.2528 493.3733 493.4938 493.6142 493.7347 493.8551 493.9755 494.0959 494.2163 494.3366 494.4570 494.5773 494.6976 494.8179 494.9382 495.0584 495.1787 495.2989 495.4191 495.5393 495.6595 495.7796 495.8997 496.0199 496.1400 496.2601 496.3801 496.5002 496.6202 496.7402 496.8602 496.9802 497.1002 497.2202 497.3401 497.4600 497.5799 497.6998 497.8197 497.9395 498.0594 498.1792 498.2990 498.4188 498.5385 498.6583 498.7780 498.8977 499.0174 499.1371 499.2568 499.3764 499.4961 499.6157 499.7353 499.8548 499.9744 500.0940 500.2135 500.3330 500.4525 500.5720 500.6914 500.8109 500.9303 501.0497 501.1691 501.2885 501.4078 501.5272 501.6465 501.7658 501.8851 502.0044 502.1237 502.2429 502.3621 502.4813 502.6005 502.7197 502.8388 502.9580 503.0771 503.1962 503.3153 503.4344 503.5534 503.6724 503.7915 503.9105 504.0295 504.1484 504.2674 504.3863 504.5052 504.6241 504.7430 504.8619 504.9807 505.0995 505.2184 505.3371 505.4559 505.5747 505.6934 505.8122 505.9309 506.0496 506.1682 506.2869 506.4055 506.5242 506.6428 506.7614 506.8799 506.9985 507.1170 507.2355 507.3540 507.4725 507.5910 507.7095 507.8279 507.9463 508.0647 508.1831 508.3014 508.4198 508.5381 508.6564 508.7747 508.8930 509.0113 509.1295 509.2477 509.3660 509.4841 509.6023 509.7205 509.8386 509.9567 --------------------------------------------------------------------------------------- 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 101-251: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting Columns 252-402: 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 20240328T062537.2Z 8853.267791 530 1 50.14 2 51.58 238.67 157.46 30.39 0.00 1 0.00 1 0 15 3.075e-03 3.062e-03 4.081e-04 4.072e-04 1.837602e+03 2.375523e+01 1.272912e+02 -6.000000e+00 1.687287e+02 280.50 -2.00 20.00 -2.00 505.29 0.00e+00 1.046545e-03 1.111813e-05 5.859613e-05 -6.000000e+00 8.553823e-05 280.50 -2.00 20.00 -2.00 500.46 0.00e+00 5.513976e-02 8.021582e-03 1.780612e-02 -6.000000e+00 6.075113e-02 227.58 -2.00 3.44 -2.00 502.06 0.00e+00 1.606 0.000 489.00 513.00 1 6.0057e+00 6.1596e-04 3.0442e-03 -6.0000e+00 4.6544e-03 -7.4769e-03 1.5809e-04 3.8851e-04 -6.0000e+00 1.2059e-03 3.7700e-03 4.4860e-04 3.9815e-05 2.4894e-05 -6.0000e+00 3.0932e-04 -6.1284e-03 9.9303e-06 10 0 0 10 0 0 99.96 21.28 1.11 -0.00613 -0.00302 98 19 1 4 0 511.514 25.79 20.05 21.28 20.80 37.2 1059.30 -562 -533 -311 -110 50 215 502 440 440 313 270 105 -155 -249 -302 -298 -178 240 -25 65 38 260 179 288 457 442 391 135 -135 -444 -407 -354 -280 25 161 -91 18 28 -19 -126 36 41 121 283 356 429 329 283 161 -155 -401 -550 -711 -606 -407 -248 -209 -113 -22 62 225 288 343 282 306 285 139 31 -62 -277 -270 -183 -133 -5 114 -113 -258 -250 -276 -260 -421 -368 -359 -337 -143 -240 -159 -224 -224 -246 -91 93 267 294 284 310 212 -41 -281 -453 -730 -571 -386 -66 -66 -223 -259 -244 -255 -210 -80 -75 78 289 397 534 731 729 553 415 334 217 238 424 239 204 203 284 161 338 199 -121 -237 -207 -435 -292 -33 -136 -8 51 74 71 214 333 168 199 50 -372 -438 -518 -384 -551 -495 -296 -108 50 222 527 466 466 329 279 107 -156 -248 -299 -296 -179 245 -26 70 40 278 192 309 491 475 419 143 -140 -451 -403 -351 -282 26 171 -93 18 30 -20 -131 37 43 127 285 361 436 333 284 169 -159 -402 -538 -686 -586 -401 -251 -218 -112 -22 61 223 286 343 281 304 280 143 31 -62 -274 -265 -180 -132 -5 116 -114 -258 -246 -267 -251 -408 -358 -353 -334 -143 -228 -152 -214 -215 -236 -88 91 264 293 282 304 204 -38 -275 -434 -694 -546 -377 -62 -65 -222 -255 -237 -244 -201 -78 -74 78 291 403 545 748 748 566 421 334 214 232 413 234 201 200 279 158 330 194 -117 -225 -194 -406 -274 -31 -133 -8 51 74 72 217 340 172 203 50 -369 -424 -496 -368 SQ 20240328T071528.0Z 8853.302407 561 1 22.12 2 60.45 249.23 151.28 52.74 0.00 1 0.00 1 0 15 4.881e-03 4.954e-03 1.394e-03 1.392e-03 2.580248e+03 8.280666e+01 1.668724e+02 -6.000000e+00 2.678142e+02 280.50 -2.00 20.00 -2.00 505.30 0.00e+00 1.520678e-03 3.803124e-05 8.738279e-05 -6.000000e+00 1.357747e-04 280.50 -2.00 20.00 -2.00 500.54 0.00e+00 1.764922e-01 2.733187e-02 2.695588e-02 -6.000000e+00 9.645263e-02 227.58 -2.00 3.44 -2.00 502.13 0.00e+00 2.019 0.000 489.00 513.00 1 7.5296e+00 2.0908e-03 4.1584e-03 -6.0000e+00 7.3893e-03 -5.8920e-03 5.3897e-04 5.5704e-04 -6.0000e+00 1.9151e-03 7.6139e-04 1.6294e-03 1.3622e-04 3.5914e-05 -6.0000e+00 4.9095e-04 -4.3812e-03 -2.2727e-05 12 9 9 12 1 1 99.93 21.26 1.09 -0.00438 0.00692 7 4 1 4 0 2763.503 25.79 19.96 21.26 21.08 37.0 1060.02 -714 -253 -227 312 -147 357 732 311 278 262 504 -89 -31 -323 -9 -329 -3 -3988 43 -29 460 113 383 448 832 525 623 362 -213 -455 -454 73 -402 446 353 166 234 260 154 -71 133 60 149 467 539 313 387 215 418 -324 -262 -732 -899 -368 -170 192 99 -209 -66 40 188 526 248 278 19 -138 196 -256 -332 -434 -499 -96 -260 128 465 -152 -153 -472 -219 -157 -338 -192 -559 -310 -45 -171 -30 -304 -7 -381 -132 249 163 5 471 157 99 -221 -306 -507 -639 -526 -217 50 237 -268 -300 -384 -316 -80 -127 28 -169 832 309 676 803 816 579 259 330 220 366 232 62 -191 335 59 384 602 316 -158 -465 -49 -465 -391 -116 -341 -27 -29 -115 343 16 474 177 -59 2 -470 -286 -603 -208 -668 -239 -221 311 -151 375 779 317 284 280 528 -93 -31 -326 -9 -331 -3 -4094 43 -30 471 116 393 461 857 543 641 369 -213 -468 -458 73 -412 443 362 172 241 265 156 -71 133 60 151 480 559 327 402 221 422 -322 -267 -729 -885 -361 -170 187 100 -213 -68 41 191 535 254 284 19 -139 194 -251 -322 -416 -501 -96 -248 124 451 -149 -147 -447 -216 -154 -333 -190 -530 -296 -43 -166 -29 -297 -7 -373 -130 247 164 5 474 156 96 -211 -285 -489 -611 -506 -202 48 235 -270 -300 -380 -309 -78 -125 28 -172 849 320 701 836 852 604 268 335 221 363 231 62 -192 336 59 383 599 314 -156 -452 -47 -443 -375 -113 -339 -27 -30 -112 336 16 468 176 -59 2 -475 -282 -589 -203