File name: Pandora277s1_Nagoya_20250510_L2Fit_fwvt1c1d20231212p1-8.txt File generation date: 20250825T101231.4Z Data description: Level 2 spectral fitting results file Data file version: fwvt1c1p1-8 Local principal investigator: Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 277 Spectrometer number: 1 Processing software version used: BlickP v1.8.75 Instrument operation file used: Pandora277_OF_v2d20230817.txt Instrument calibration file used: Pandora277s1_CF_v2d20231212.txt Level 1 file used: Pandora277s1_Nagoya_20250510_L1_smca1c1d20231212p1-8.txt Full location name: Nagoya University Short location name: Nagoya Country of location: Japan Location latitude [deg]: 35.1517 Location longitude [deg]: 136.9721 Location altitude [m]: 117 Local noon date: 20250510 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: OOB session based on clearance session 1 First and last pixel inside fitting window: 1621 1770 Nominal wavelengths inside fitting window [nm]: 492.0920 492.2129 492.3338 492.4546 492.5754 492.6962 492.8170 492.9378 493.0585 493.1792 493.3000 493.4207 493.5413 493.6620 493.7827 493.9033 494.0239 494.1445 494.2651 494.3857 494.5062 494.6268 494.7473 494.8678 494.9883 495.1087 495.2292 495.3496 495.4700 495.5904 495.7108 495.8312 495.9515 496.0719 496.1922 496.3125 496.4328 496.5530 496.6733 496.7935 496.9137 497.0339 497.1541 497.2743 497.3944 497.5146 497.6347 497.7548 497.8749 497.9949 498.1150 498.2350 498.3550 498.4750 498.5950 498.7150 498.8349 498.9549 499.0748 499.1947 499.3146 499.4344 499.5543 499.6741 499.7939 499.9137 500.0335 500.1533 500.2730 500.3927 500.5124 500.6321 500.7518 500.8715 500.9911 501.1108 501.2304 501.3500 501.4695 501.5891 501.7086 501.8282 501.9477 502.0672 502.1867 502.3061 502.4256 502.5450 502.6644 502.7838 502.9032 503.0225 503.1419 503.2612 503.3805 503.4998 503.6190 503.7383 503.8575 503.9768 504.0960 504.2152 504.3343 504.4535 504.5726 504.6917 504.8109 504.9299 505.0490 505.1681 505.2871 505.4061 505.5251 505.6441 505.7631 505.8820 506.0010 506.1199 506.2388 506.3577 506.4765 506.5954 506.7142 506.8330 506.9518 507.0706 507.1894 507.3081 507.4268 507.5456 507.6642 507.7829 507.9016 508.0202 508.1389 508.2575 508.3761 508.4946 508.6132 508.7317 508.8503 508.9688 509.0873 509.2057 509.3242 509.4426 509.5611 509.6795 509.7979 509.9162 --------------------------------------------------------------------------------------- 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 20250510T090251.2Z 9261.376981 582 1 25.54 2 82.72 286.59 75.04 117.36 0.00 1 0.00 1 0 22 3.565e-03 3.531e-03 5.012e-04 5.006e-04 1.059426e+04 3.409851e+01 7.621029e+02 -6.000000e+00 1.983584e+02 286.02 -2.00 20.00 -2.00 505.34 0.00e+00 3.303207e-03 1.391790e-05 1.772072e-04 -6.000000e+00 1.005479e-04 286.02 -2.00 20.00 -2.00 500.76 0.00e+00 7.825297e-01 9.804310e-03 6.028637e-02 -6.000000e+00 7.087250e-02 230.92 -2.00 3.39 -2.00 502.30 0.00e+00 7.280 0.006 489.00 513.00 1 4.4236e+00 7.5041e-04 1.2354e-02 -6.0000e+00 5.4234e-03 -3.1853e-02 1.9225e-04 1.6384e-03 -6.0000e+00 1.4320e-03 7.4613e-03 9.9621e-03 4.6214e-05 1.0869e-04 -6.0000e+00 3.4851e-04 9.1409e-02 7.7317e-04 12 1 1 12 1 1 99.97 26.01 1.68 0.09141 0.16051 39 9 1 4 0 638.250 34.75 20.00 26.01 28.23 0.0 980.07 -124 249 354 530 585 562 565 386 133 -31 -112 -204 -388 -99 -45 -49 139 157 176 295 256 263 384 320 167 16 -145 -632 -543 -429 -227 90 54 70 -4 -71 -140 -248 -45 86 142 263 350 343 238 111 -195 -430 -711 -842 -879 -610 -314 -225 -144 112 213 303 320 350 319 238 177 123 -90 -292 -224 -367 -324 -307 -193 -25 -117 -233 -418 -534 -413 -504 -650 -436 -367 -243 -111 -160 -146 5 -32 196 292 427 538 491 420 319 -115 -384 -620 -865 -755 -627 -444 -247 -379 -424 -412 -332 -231 -136 6 34 258 438 628 782 692 575 337 187 173 178 335 279 353 237 282 288 132 175 36 -145 -52 -210 -119 40 22 126 154 281 229 333 345 342 235 -109 -231 -466 -554 -288 900000 900000 -121 242 352 537 583 562 562 390 133 -30 -109 -196 -374 -97 -45 -48 140 159 179 300 261 270 395 330 172 16 -142 -624 -531 -425 -225 92 55 71 -4 -73 -142 -252 -46 86 144 271 363 356 245 113 -195 -432 -697 -811 -847 -598 -317 -227 -148 116 219 311 331 363 333 247 182 125 -90 -289 -219 -366 -322 -307 -190 -25 -116 -230 -417 -524 -402 -490 -636 -429 -354 -237 -109 -158 -144 5 -31 191 289 428 543 490 409 311 -109 -356 -582 -806 -708 -587 -421 -245 -374 -418 -414 -330 -230 -133 6 34 262 446 642 806 703 587 343 192 174 177 332 279 356 239 286 291 134 176 36 -142 -50 -205 -117 40 22 127 158 291 239 349 354 352 241 -114 -237 -469 -552 -288 900000 900000 SQ 20250510T092633.0Z 9261.393438 587 1 55.44 2 87.32 289.87 70.97 121.49 0.00 1 0.00 1 0 29 5.619e-03 5.516e-03 1.407e-03 1.400e-03 1.630125e+04 1.015901e+02 1.165012e+03 -6.000000e+00 3.125243e+02 286.02 -2.00 20.00 -2.00 505.47 0.00e+00 5.714679e-03 3.924138e-05 2.970244e-04 -6.000000e+00 1.581154e-04 286.02 -2.00 20.00 -2.00 501.12 0.00e+00 1.405059e+00 2.695468e-02 8.978392e-02 -6.000000e+00 1.105482e-01 230.92 -2.00 3.39 -2.00 502.58 0.00e+00 14.270 0.045 489.00 513.00 1 5.5191e+00 2.0678e-03 2.3724e-02 -6.0000e+00 8.4778e-03 -4.7045e-02 5.1132e-04 2.6086e-03 -6.0000e+00 2.2063e-03 8.5374e-04 1.4095e-02 1.2488e-04 1.5814e-04 -6.0000e+00 5.4511e-04 6.5077e-02 7.8067e-04 12 8 8 10 0 0 96.52 25.98 3.72 0.06508 0.16285 17 2 1 4 0 3260.660 34.75 20.00 25.98 28.01 0.1 979.65 -319 616 761 948 1227 938 1194 486 276 166 -483 -738 -672 -193 -20 114 391 112 62 164 470 456 489 321 418 144 -120 -718 -758 -347 -486 6 294 138 117 -485 -465 -432 -229 38 153 155 554 168 339 43 12 -858 -942 -1354 -1271 -836 -209 -380 139 133 396 346 452 90 507 458 162 165 97 -426 -313 -851 -693 -533 -329 172 -200 -403 -576 -961 -644 -505 -835 -493 -544 -181 -5 -489 -232 -36 43 433 349 523 771 727 560 192 -76 -500 -1059 -1603 -1046 -936 -672 -334 -496 -393 -550 -703 -743 -353 -194 -30 524 719 1093 1125 1478 1091 392 215 162 132 332 406 604 670 389 324 48 13 220 -212 -468 -275 -325 -140 -57 64 414 553 112 668 454 261 411 -50 -278 -285 -524 -444 -53 900000 -288 571 723 919 1204 926 1168 471 264 157 -454 -689 -627 -181 -19 105 366 106 59 155 447 438 474 312 403 137 -111 -652 -684 -317 -460 6 291 137 115 -477 -454 -422 -226 38 155 160 575 175 351 44 12 -849 -910 -1292 -1213 -813 -209 -393 146 140 416 364 478 97 542 489 171 173 100 -435 -316 -855 -693 -536 -334 176 -206 -410 -575 -950 -629 -491 -818 -484 -539 -181 -5 -496 -234 -36 43 430 351 502 742 689 548 181 -70 -450 -941 -1418 -929 -857 -645 -316 -483 -385 -536 -681 -723 -348 -195 -30 532 733 1119 1166 1554 1162 418 226 167 134 336 415 621 694 406 338 50 14 227 -216 -474 -279 -334 -147 -61 69 456 616 120 714 488 282 442 -53 -292 -312 -570 -460 -56 900000