File name: Pandora131s1_Palau_20250213_L2Fit_fwvt1c11d20221208p1-8.txt
File generation date: 20250213T152720.5Z
Data description: Level 2 spectral fitting results file
Data file version: fwvt1c11p1-8
Local principal investigator: Katrin Mueller
Network principal investigator: Alexander Cede
Instrument type: Pandora
Instrument number: 131
Spectrometer number: 1
Processing software version used: BlickP v1.8.70
Instrument operation file used: Pandora131_OF_v3d20200610.txt
Instrument calibration file used: Pandora131s1_CF_v11d20221208.txt
Level 1 file used: Pandora131s1_Palau_20250213_L1_smca1c11d20221208p1-8.txt
Full location name: Palau Atmospheric Observatory
Short location name: Palau
Country of location: Palau
Location latitude [deg]: 7.3420
Location longitude [deg]: 134.4722
Location altitude [m]: 23
Local noon date: 20250213
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: 1st VP, year 2023
First and last pixel inside fitting window: 1648 1797
Nominal wavelengths inside fitting window [nm]: 492.1149 492.2361 492.3573 492.4784 492.5995 492.7206 492.8417 492.9628 493.0838 493.2049 493.3259 493.4469 493.5679 493.6888 493.8098 493.9307 494.0516 494.1725 494.2934 494.4143 494.5351 494.6560 494.7768 494.8976 495.0184 495.1391 495.2599 495.3806 495.5013 495.6220 495.7427 495.8634 495.9840 496.1047 496.2253 496.3459 496.4665 496.5870 496.7076 496.8281 496.9486 497.0691 497.1896 497.3101 497.4305 497.5509 497.6713 497.7917 497.9121 498.0325 498.1528 498.2731 498.3935 498.5137 498.6340 498.7543 498.8745 498.9947 499.1150 499.2351 499.3553 499.4755 499.5956 499.7157 499.8358 499.9559 500.0760 500.1961 500.3161 500.4361 500.5561 500.6761 500.7961 500.9160 501.0360 501.1559 501.2758 501.3957 501.5155 501.6354 501.7552 501.8750 501.9948 502.1146 502.2344 502.3541 502.4738 502.5936 502.7133 502.8329 502.9526 503.0722 503.1919 503.3115 503.4311 503.5506 503.6702 503.7897 503.9093 504.0288 504.1483 504.2677 504.3872 504.5066 504.6261 504.7455 504.8648 504.9842 505.1036 505.2229 505.3422 505.4615 505.5808 505.7001 505.8193 505.9386 506.0578 506.1770 506.2961 506.4153 506.5345 506.6536 506.7727 506.8918 507.0109 507.1299 507.2490 507.3680 507.4870 507.6060 507.7250 507.8439 507.9629 508.0818 508.2007 508.3196 508.4384 508.5573 508.6761 508.7949 508.9137 509.0325 509.1513 509.2700 509.3888 509.5075 509.6262 509.7449 509.8635 509.9822
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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
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SQ 20250213T061034.0Z 9175.257338 421 1 22.54 2 47.92 244.67 140.31 60.56 0.00 1 0.00 1 0 22 3.372e-03 3.356e-03 1.155e-03 1.152e-03 4.991561e+03 7.518747e+01 3.492565e+02 -6.000000e+00 1.924467e+02 294.24 -2.00 20.00 -2.00 505.27 0.00e+00 4.343540e-04 3.238224e-05 3.220440e-05 -6.000000e+00 9.677548e-05 294.24 -2.00 20.00 -2.00 500.40 0.00e+00 1.229081e-01 2.244894e-02 2.827297e-02 -6.000000e+00 6.546937e-02 225.69 -2.00 3.05 -2.00 502.00 0.00e+00 1.490 0.000 489.00 513.00 1 6.9329e+00 1.7269e-03 3.3101e-03 -6.0000e+00 5.0417e-03 1.1883e-02 4.4436e-04 7.1220e-04 -6.0000e+00 1.3040e-03 1.5135e-03 4.3801e-04 1.0452e-04 3.2855e-05 -6.0000e+00 3.1870e-04 1.4171e-02 -8.1448e-05 12 1 1 12 1 1 99.52 17.98 1.54 0.01417 0.01721 9 5 1 2 0 2253.450 20.00 17.98 34.28 26.21 26.21 40.3 992.65 -467 -563 193 96 64 437 587 456 454 -30 -92 -118 -246 -67 -566 -137 105 323 323 288 91 -45 151 388 297 150 229 118 -195 -512 -654 -399 -110 664 200 40 58 -286 -189 -161 -192 34 234 191 437 486 218 224 8 -336 -611 -761 -998 -646 -169 43 127 25 57 55 224 277 388 479 141 185 -83 -140 -58 -509 -533 -485 -170 263 220 -131 -267 -402 -333 -285 -360 -80 -67 142 -336 -271 -151 -92 59 31 24 147 561 640 489 13 -83 -193 -558 -724 -821 -689 138 197 -95 -43 -177 -418 -260 -163 -56 -189 89 409 406 549 662 542 197 198 -170 174 -25 117 141 342 86 126 417 369 209 -9 -205 -326 -109 306 -93 -54 351 161 117 200 40 91 250 107 -233 -522 -393 -446 -469 -554 195 100 68 454 617 482 476 -31 -94 -124 -256 -69 -583 -142 111 334 340 305 97 -48 160 413 317 160 242 122 -197 -527 -667 -412 -112 692 213 42 61 -298 -194 -165 -198 36 244 202 463 513 228 231 8 -330 -613 -749 -983 -647 -166 43 130 26 58 56 230 285 400 490 142 184 -82 -135 -56 -508 -529 -463 -165 256 215 -126 -264 -393 -323 -277 -352 -79 -63 135 -327 -265 -147 -90 57 30 24 147 562 635 476 12 -77 -183 -522 -671 -769 -664 131 194 -95 -43 -174 -405 -252 -160 -56 -190 90 415 414 537 651 533 200 197 -167 168 -24 115 138 334 84 123 405 356 199 -8 -190 -302 -102 290 -91 -53 349 154 113 194 39 89 243 103 -228 -501 -373 -426
SQ 20250213T073430.1Z 9175.315626 473 1 44.78 2 67.32 252.30 122.14 70.79 0.00 1 0.00 1 0 22 3.368e-03 3.303e-03 9.441e-04 9.406e-04 8.216291e+03 6.537729e+01 5.449621e+02 -6.000000e+00 1.922050e+02 294.24 -2.00 20.00 -2.00 505.30 0.00e+00 5.495409e-04 2.642489e-05 4.599343e-05 -6.000000e+00 9.665371e-05 294.24 -2.00 20.00 -2.00 500.41 0.00e+00 2.551446e-01 1.835230e-02 4.721557e-02 -6.000000e+00 6.538612e-02 225.69 -2.00 3.05 -2.00 502.01 0.00e+00 2.572 0.000 489.00 513.00 1 6.9286e+00 1.4090e-03 5.5353e-03 -6.0000e+00 5.0353e-03 7.9778e-03 3.6099e-04 1.1654e-03 -6.0000e+00 1.3023e-03 1.2819e-03 3.8076e-04 8.4201e-05 4.6494e-05 -6.0000e+00 3.1829e-04 1.2731e-02 -7.1590e-05 10 0 0 10 0 0 52.17 18.02 1.41 0.01273 0.01537 18 4 1 2 0 2486.950 20.00 18.02 33.98 26.21 26.21 40.0 989.97 -475 -490 157 127 82 612 629 447 333 188 103 -76 -393 -177 -285 -122 151 327 217 138 49 77 483 331 184 134 327 338 -248 -665 -471 -485 -12 459 223 4 31 -139 -419 -270 -231 -84 182 100 251 262 316 107 -109 -210 -592 -737 -1060 -513 -212 199 182 22 101 212 108 141 275 246 191 112 38 -251 -192 -523 -471 -560 -304 143 254 -133 -253 -231 -298 -271 -247 -111 -104 -260 -204 -359 12 -191 -254 -182 -76 341 554 451 155 79 -39 -228 -464 -904 -787 -659 -35 94 162 67 -272 -668 -334 -198 -174 273 102 323 286 448 676 484 509 450 67 32 261 136 175 350 77 31 374 489 -126 59 -196 -139 132 122 32 154 573 -1 101 218 257 37 74 92 -262 -594 -446 -405 -461 -490 162 135 84 635 662 474 350 195 106 -77 -416 -186 -297 -128 153 339 230 147 52 82 514 354 198 144 347 352 -252 -658 -461 -482 -12 484 240 5 32 -146 -436 -279 -240 -88 192 107 270 280 334 111 -111 -208 -573 -699 -1007 -495 -211 203 188 23 105 218 112 147 287 256 195 113 38 -246 -186 -504 -452 -542 -298 142 251 -130 -242 -218 -279 -254 -232 -105 -99 -253 -200 -354 12 -187 -249 -179 -75 342 556 448 151 74 -36 -205 -409 -793 -697 -602 -33 93 163 68 -270 -656 -327 -196 -175 276 104 329 293 436 663 475 494 454 67 31 255 134 173 345 76 31 367 476 -121 56 -184 -130 124 118 32 154 546 -1 98 213 252 37 72 88 -248 -583 -433 -396