File name: Pandora296s1_Aosta-SC_20251207_L2Fit_fwvt1c2d20250723p1-8.txt
File generation date: 20251207T232937.6Z
Data description: Level 2 spectral fitting results file
Data file version: fwvt1c2p1-8
Local principal investigator: ----
Network principal investigator: Alexander Cede
Instrument type: Pandora
Instrument number: 296
Spectrometer number: 1
Processing software version used: BlickP v1.8.75
Instrument operation file used: Pandora296_OF_v2d20250723.txt
Instrument calibration file used: Pandora296s1_CF_v2d20250723.txt
Level 1 file used: Pandora296s1_Aosta-SC_20251207_L1_smca1c2d20250723p1-8.txt
Full location name: Aosta-Saint-Christophe
Short location name: Aosta-SC
Country of location: Italy
Location latitude [deg]: 45.7422
Location longitude [deg]: 7.3570
Location altitude [m]: 560
Local noon date: 20251207
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: OOB session based on clearance session 1, using updated OF after UV lens was changed
First and last pixel inside fitting window: 1617 1767
Nominal wavelengths inside fitting window [nm]: 492.0397 492.1604 492.2811 492.4018 492.5224 492.6431 492.7637 492.8843 493.0049 493.1254 493.2460 493.3665 493.4871 493.6076 493.7281 493.8485 493.9690 494.0894 494.2098 494.3302 494.4506 494.5710 494.6914 494.8117 494.9320 495.0523 495.1726 495.2929 495.4131 495.5334 495.6536 495.7738 495.8940 496.0142 496.1343 496.2545 496.3746 496.4947 496.6148 496.7348 496.8549 496.9749 497.0949 497.2149 497.3349 497.4549 497.5749 497.6948 497.8147 497.9346 498.0545 498.1744 498.2942 498.4140 498.5339 498.6537 498.7735 498.8932 499.0130 499.1327 499.2524 499.3721 499.4918 499.6115 499.7311 499.8508 499.9704 500.0900 500.2095 500.3291 500.4487 500.5682 500.6877 500.8072 500.9267 501.0461 501.1656 501.2850 501.4044 501.5238 501.6432 501.7626 501.8819 502.0012 502.1206 502.2398 502.3591 502.4784 502.5976 502.7169 502.8361 502.9553 503.0744 503.1936 503.3127 503.4319 503.5510 503.6701 503.7891 503.9082 504.0272 504.1462 504.2652 504.3842 504.5032 504.6222 504.7411 504.8600 504.9789 505.0978 505.2167 505.3355 505.4544 505.5732 505.6920 505.8108 505.9295 506.0483 506.1670 506.2857 506.4044 506.5231 506.6418 506.7604 506.8790 506.9977 507.1163 507.2348 507.3534 507.4719 507.5905 507.7090 507.8275 507.9459 508.0644 508.1828 508.3013 508.4197 508.5381 508.6564 508.7748 508.8931 509.0114 509.1298 509.2480 509.3663 509.4846 509.6028 509.7210 509.8392 509.9574
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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 102-252: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting
Columns 253-403: 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 20251207T133254.7Z 9472.564522 423 1 54.65 2 74.58 211.13 109.36 353.05 0.00 1 0.00 1 0 15 2.934e-03 2.913e-03 8.526e-04 8.510e-04 3.597219e+03 4.993140e+01 2.773717e+02 -6.000000e+00 1.535691e+02 270.87 -2.00 20.00 -2.00 505.26 0.00e+00 4.420584e-04 2.261529e-05 3.145312e-05 -6.000000e+00 7.952018e-05 270.87 -2.00 20.00 -2.00 500.39 0.00e+00 3.150890e-01 1.671720e-02 2.554247e-02 -6.000000e+00 5.775842e-02 221.72 -2.00 3.61 -2.00 501.99 0.00e+00 3.693 0.001 489.00 513.00 1 7.4466e+00 1.2757e-03 5.4476e-03 -6.0000e+00 4.4096e-03 4.5092e-03 3.3020e-04 7.0222e-04 -6.0000e+00 1.1502e-03 6.7614e-04 2.8965e-05 7.9774e-05 4.1762e-05 -6.0000e+00 2.8496e-04 -3.5851e-02 -1.9067e-05 11 1 0 11 4 0 99.93 24.41 1.87 -0.03585 -0.03565 20 2 1 2 0 2731.940 20.00 24.41 16.47 34.75 33.50 1.5 950.63 -592 -268 -261 -204 426 385 136 195 543 441 314 -16 158 -335 -20 -166 -168 36 27 135 260 341 476 -29 -98 27 109 80 -83 -351 -557 -66 -823 115 359 2 89 183 -189 47 88 -98 -50 241 530 355 49 -261 221 -77 -230 -270 -330 -767 -556 -392 -84 3 -165 118 298 216 233 189 391 232 249 -314 83 -154 -578 -344 211 -160 262 -251 135 -33 -153 -35 -403 -294 -68 -155 -233 -439 -133 -222 -112 -307 67 123 105 333 66 253 543 265 -51 -504 -509 -761 -187 -270 -146 -350 47 -46 -41 -40 118 -169 -51 90 230 41 793 434 596 -100 210 -151 171 148 150 112 130 429 293 -67 -204 178 6 -206 -267 -413 262 -155 241 126 126 246 -16 273 260 293 -52 -21 -461 -360 -412 -584 -265 -255 -207 443 396 143 207 578 467 327 -17 160 -337 -21 -171 -169 36 29 144 270 354 494 -30 -103 28 115 83 -88 -361 -558 -65 -830 118 368 2 94 190 -195 48 92 -99 -51 248 551 372 52 -272 227 -77 -232 -265 -318 -739 -543 -394 -84 3 -169 121 303 220 238 194 398 234 248 -309 83 -153 -569 -336 207 -159 263 -246 135 -33 -148 -34 -387 -284 -66 -152 -231 -427 -130 -217 -109 -301 66 122 105 337 67 252 528 252 -49 -475 -472 -710 -177 -257 -144 -353 48 -46 -40 -39 116 -169 -50 89 229 41 794 438 601 -101 207 -147 169 146 149 108 125 413 282 -65 -196 175 6 -196 -253 -392 251 -147 233 124 125 245 -16 275 263 296 -52 -21 -445 -341 -390
SQ 20251207T140841.8Z 9472.589372 436 1 48.92 2 78.16 218.78 109.73 1.21 0.00 1 0.00 1 0 15 2.491e-03 2.469e-03 4.965e-04 4.956e-04 4.465934e+03 2.957685e+01 3.429340e+02 -6.000000e+00 1.304087e+02 270.87 -2.00 20.00 -2.00 505.27 0.00e+00 5.386501e-04 1.318187e-05 3.684036e-05 -6.000000e+00 6.754604e-05 270.87 -2.00 20.00 -2.00 500.45 0.00e+00 4.500014e-01 9.765348e-03 3.098820e-02 -6.000000e+00 4.919303e-02 221.72 -2.00 3.61 -2.00 502.04 0.00e+00 4.725 0.002 489.00 513.00 1 6.2275e+00 7.4445e-04 6.9075e-03 -6.0000e+00 3.7522e-03 5.4746e-03 1.9347e-04 8.6922e-04 -6.0000e+00 9.8495e-04 1.9707e-03 1.0508e-03 4.6325e-05 5.0714e-05 -6.0000e+00 2.4271e-04 -2.7032e-02 -1.2406e-04 11 1 0 11 4 0 99.98 24.42 1.78 -0.02703 -0.01974 59 6 1 2 0 828.910 20.00 24.42 16.75 34.75 33.50 1.5 952.39 900000 -459 -169 -121 128 234 396 254 428 319 161 173 -17 -240 -161 -256 -107 -86 41 47 75 247 184 159 114 201 155 132 -119 -317 -408 -245 -487 111 216 5 132 172 -15 -50 -66 -27 60 142 252 245 133 198 212 -16 -115 -471 -463 -661 -397 -376 -83 37 27 101 203 168 293 190 229 122 167 -161 -118 -237 -445 -336 -103 -113 187 -18 -92 -197 -188 -169 -329 -281 -260 -173 -49 -145 -102 -66 -94 -121 -18 103 193 405 344 373 359 101 -125 -274 -645 -674 -417 -310 -59 -277 -116 -34 -172 -311 -106 -138 68 221 334 177 554 631 442 119 182 -24 -69 171 205 136 93 217 188 36 183 8 -118 -68 -258 -248 79 45 89 130 169 57 146 202 198 269 -15 13 -408 -409 -355 900000 -448 -164 -122 130 242 409 266 449 333 166 180 -17 -243 -162 -256 -108 -88 43 50 79 262 191 166 119 211 162 137 -124 -322 -413 -245 -495 113 222 5 139 179 -15 -52 -68 -28 61 146 263 258 139 206 217 -16 -115 -470 -452 -645 -393 -375 -84 38 28 103 206 171 300 195 234 123 167 -162 -117 -233 -433 -325 -100 -111 186 -18 -91 -192 -180 -164 -320 -268 -251 -168 -48 -144 -100 -64 -92 -118 -18 102 193 408 345 369 347 97 -118 -259 -603 -632 -390 -301 -58 -272 -114 -34 -169 -303 -104 -138 68 221 335 179 561 642 442 121 182 -24 -67 165 199 133 91 212 183 35 178 7 -115 -65 -245 -236 76 44 87 129 166 57 146 202 199 270 -15 12 -400 -394 -341