File name: Pandora232s1_Yongin_20250719_L2Fit_fwvt1c3d20221026p1-8.txt File generation date: 20250719T155124.9Z Data description: Level 2 spectral fitting results file Data file version: fwvt1c3p1-8 Local principal investigator: Yongjoo Choi Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 232 Spectrometer number: 1 Processing software version used: BlickP v1.8.75 Instrument operation file used: Pandora232_OF_v2d20220714.txt Instrument calibration file used: Pandora232s1_CF_v3d20221026.txt Level 1 file used: Pandora232s1_Yongin_20250719_L1_smca1c3d20221026p1-8.txt Full location name: Hankuk University of Foreign Studies Short location name: Yongin Country of location: South Korea Location latitude [deg]: 37.3380 Location longitude [deg]: 127.2650 Location altitude [m]: 122 Local noon date: 20250719 Notes on s-number (L1 configuration): Corrections NOT applied although requested by the s-number are latency correction, matrix method stray light correction (replaced by simple method) Data caveats: offical since 20250506 First and last pixel inside fitting window: 1619 1768 Nominal wavelengths inside fitting window [nm]: 492.0362 492.1576 492.2789 492.4003 492.5216 492.6429 492.7642 492.8855 493.0067 493.1280 493.2492 493.3704 493.4916 493.6128 493.7339 493.8551 493.9762 494.0973 494.2184 494.3394 494.4605 494.5815 494.7026 494.8236 494.9446 495.0655 495.1865 495.3074 495.4284 495.5493 495.6701 495.7910 495.9119 496.0327 496.1535 496.2743 496.3951 496.5159 496.6366 496.7574 496.8781 496.9988 497.1195 497.2402 497.3608 497.4815 497.6021 497.7227 497.8433 497.9638 498.0844 498.2049 498.3254 498.4459 498.5664 498.6869 498.8073 498.9278 499.0482 499.1686 499.2890 499.4093 499.5297 499.6500 499.7703 499.8906 500.0109 500.1312 500.2514 500.3716 500.4918 500.6120 500.7322 500.8524 500.9725 501.0926 501.2128 501.3329 501.4529 501.5730 501.6930 501.8131 501.9331 502.0531 502.1730 502.2930 502.4129 502.5328 502.6528 502.7726 502.8925 503.0124 503.1322 503.2520 503.3718 503.4916 503.6114 503.7311 503.8509 503.9706 504.0903 504.2100 504.3296 504.4493 504.5689 504.6885 504.8081 504.9277 505.0473 505.1668 505.2864 505.4059 505.5254 505.6448 505.7643 505.8838 506.0032 506.1226 506.2420 506.3614 506.4807 506.6001 506.7194 506.8387 506.9580 507.0773 507.1965 507.3157 507.4350 507.5542 507.6734 507.7925 507.9117 508.0308 508.1499 508.2690 508.3881 508.5072 508.6262 508.7453 508.8643 508.9833 509.1023 509.2212 509.3402 509.4591 509.5780 509.6969 509.8158 509.9346 --------------------------------------------------------------------------------------- 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: 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: Temperature at electronics board 1 [°C], 999=no temperature signal Column 99: Temperature at electronics board 2 [°C], 999=no temperature signal Column 100: Humidity in head sensor [%], -9=no humidity signal Column 101: Pressure in head sensor [hPa], -9=no pressure signal Columns 102-251: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting Columns 252-401: 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 20250719T040617.6Z 9331.171037 391 1 9.53 2 17.70 202.83 77.81 284.32 0.00 1 0.00 1 0 15 2.993e-03 2.991e-03 2.023e-03 2.019e-03 7.182066e+03 1.344922e+02 4.989612e+02 -6.000000e+00 1.690682e+02 290.95 -2.00 20.00 -2.00 505.26 0.00e+00 6.897339e-04 5.646295e-05 5.074901e-05 -6.000000e+00 8.527357e-05 290.95 -2.00 20.00 -2.00 500.39 0.00e+00 4.669665e-02 3.983043e-02 4.089155e-02 -6.000000e+00 5.888360e-02 232.39 -2.00 3.44 -2.00 501.99 0.00e+00 1.050 0.000 489.00 513.00 1 7.7152e+00 3.0585e-03 4.0038e-03 -6.0000e+00 4.5227e-03 1.0173e-02 7.8699e-04 1.0250e-03 -6.0000e+00 1.1758e-03 7.3533e-04 3.2757e-04 1.7498e-04 5.0311e-05 -6.0000e+00 2.7254e-04 1.5107e-02 -3.3922e-05 12 1 1 12 33 1 999.00 24.01 0.97 0.01511 0.01738 2 3 1 2 0 3173.500 20.00 24.01 30.83 26.51 26.51 7.0 1006.47 -83 -158 -149 334 111 253 559 506 459 603 169 214 -200 -96 -459 -31 -105 -44 294 -33 -227 282 244 53 263 348 119 -204 490 -661 -328 -146 -275 -2 -120 -5 -524 -113 0 158 83 63 296 221 337 -555 -136 122 -159 -236 -494 -250 -428 -577 22 -128 -307 -30 -261 58 129 188 -20 -12 84 -207 -259 -4 502 64 -411 -115 -367 -167 87 583 61 -248 -373 -473 -610 287 179 -157 200 -110 -188 -38 4 -11 77 148 461 165 499 -132 78 -76 -74 -92 -561 -564 -218 -72 -287 -805 48 -275 -118 -380 15 -13 105 -254 115 599 442 166 373 288 353 325 383 169 -330 -203 105 -203 -66 -236 220 -108 232 -202 1 242 -134 380 249 255 185 156 698 -48 183 489 -456 -465 -270 17 -80 -155 -151 342 114 264 594 531 482 637 176 221 -203 -98 -470 -31 -107 -46 306 -35 -239 297 257 56 279 368 126 -213 509 -667 -333 -149 -277 -2 -127 -6 -553 -118 0 164 86 65 305 231 355 -577 -143 126 -162 -240 -487 -245 -417 -566 22 -130 -312 -31 -267 59 131 193 -20 -12 86 -208 -261 -4 492 63 -405 -113 -359 -165 86 573 60 -242 -361 -456 -591 279 175 -152 195 -108 -186 -37 4 -11 76 148 457 163 491 -128 75 -71 -69 -85 -521 -535 -209 -71 -284 -799 47 -271 -115 -375 15 -13 104 -255 115 601 449 166 377 286 344 318 372 166 -320 -196 102 -196 -64 -227 213 -103 218 -189 1 230 -128 366 244 253 184 153 684 -48 180 485 -447 -444 -259 16 SQ 20250719T072916.6Z 9331.311998 491 1 0.23 2 52.47 268.66 110.65 316.86 0.00 1 0.00 1 0 15 2.522e-03 2.512e-03 1.907e-03 1.904e-03 3.923981e+03 1.194618e+02 2.854698e+02 -6.000000e+00 1.424869e+02 290.95 -2.00 20.00 -2.00 505.26 0.00e+00 5.293582e-04 5.324404e-05 3.576217e-05 -6.000000e+00 7.186678e-05 290.95 -2.00 20.00 -2.00 500.45 0.00e+00 -5.232254e-03 3.734383e-02 2.287328e-02 -6.000000e+00 4.962735e-02 232.39 -2.00 3.44 -2.00 502.04 0.00e+00 1.638 0.000 489.00 513.00 1 3.8337e+00 2.8676e-03 3.1607e-03 -6.0000e+00 3.8117e-03 9.4974e-03 7.4061e-04 5.8839e-04 -6.0000e+00 9.9103e-04 3.3226e-02 2.0409e-04 1.6775e-04 3.0661e-05 -6.0000e+00 2.2969e-04 1.7575e-02 -4.9915e-05 12 1 1 12 1 1 999.00 24.03 1.04 0.01758 0.01899 2 108 1 2 0 76.860 20.00 24.03 35.87 26.51 26.51 7.1 1034.72 -187 179 -32 138 157 -85 174 134 337 572 15 173 -418 136 10 -243 92 -176 184 -8 -90 247 186 410 342 361 -138 -144 325 -299 -27 -171 -152 298 269 -124 -217 -80 155 -157 -325 19 -99 392 195 87 -236 -260 -297 160 -128 -463 -467 -461 10 -344 -443 -129 -479 160 -204 293 374 38 -30 -186 202 -128 109 -190 120 19 -233 137 106 -57 225 -201 -96 -123 -83 -63 -264 -275 -178 -240 -200 78 394 -79 25 -34 108 159 467 -156 45 -22 320 -488 -301 -679 -619 -202 -265 -211 -200 -125 -81 161 -56 -20 159 306 47 218 390 365 28 -157 178 -143 112 154 -155 -103 338 340 -131 337 396 -128 264 202 447 263 208 364 214 137 79 -132 311 232 -337 -285 -251 -425 -201 -126 -181 175 -32 140 160 -89 182 141 355 593 16 178 -426 138 10 -247 92 -182 192 -9 -94 258 194 427 359 378 -144 -150 333 -301 -27 -170 -153 306 281 -130 -226 -82 160 -160 -334 20 -102 404 203 91 -246 -267 -306 162 -126 -454 -453 -450 10 -345 -455 -131 -488 164 -206 297 380 39 -30 -188 200 -128 108 -185 118 18 -229 136 105 -57 218 -196 -93 -119 -81 -61 -256 -269 -177 -236 -196 76 385 -78 25 -34 108 159 466 -153 44 -21 301 -462 -285 -647 -600 -201 -265 -210 -197 -123 -79 158 -56 -20 160 306 48 219 395 370 28 -158 175 -141 110 151 -152 -101 330 330 -127 328 385 -122 253 193 424 251 203 355 212 135 78 -132 310 232 -339 -283 -248 -408 -193 -121