File name: Pandora240s1_Thessaloniki_20250805_L2Fit_fout2c13d20231018p1-8.txt
File generation date: 20250805T224305.7Z
Data description: Level 2 spectral fitting results file
Data file version: fout2c13p1-8
Local principal investigator: Alkiviadis Bais
Network principal investigator: Alexander Cede
Instrument type: Pandora
Instrument number: 240
Spectrometer number: 1
Processing software version used: BlickP v1.8.75
Instrument operation file used: Pandora240_OF_v2d20220707.txt
Instrument calibration file used: Pandora240s1_CF_v13d20231018.txt
Level 1 file used: Pandora240s1_Thessaloniki_20250805_L1_smca1c13d20231018p1-8.txt
Full location name: Thessaloniki
Short location name: Thessaloniki
Country of location: Greece
Location latitude [deg]: 40.6336
Location longitude [deg]: 22.9561
Location altitude [m]: 60
Local noon date: 20250805
Notes on s-number (L1 configuration): Corrections NOT applied although requested by the s-number are blind pixel subtraction, dark map for dark correction (replaced by immediate dark method), latency correction, matrix method stray light correction (replaced by simple method)
Data caveats: Based on session 12 for VP 20231018
First and last pixel inside fitting window: 200 341
Nominal wavelengths inside fitting window [nm]: 305.0967 305.2379 305.3790 305.5201 305.6613 305.8024 305.9434 306.0845 306.2256 306.3666 306.5076 306.6487 306.7897 306.9307 307.0717 307.2126 307.3536 307.4945 307.6355 307.7764 307.9173 308.0582 308.1991 308.3400 308.4808 308.6217 308.7625 308.9034 309.0442 309.1850 309.3258 309.4665 309.6073 309.7480 309.8888 310.0295 310.1702 310.3109 310.4516 310.5923 310.7330 310.8736 311.0143 311.1549 311.2955 311.4361 311.5767 311.7173 311.8578 311.9984 312.1389 312.2795 312.4200 312.5605 312.7010 312.8415 312.9819 313.1224 313.2628 313.4033 313.5437 313.6841 313.8245 313.9649 314.1053 314.2456 314.3860 314.5263 314.6666 314.8069 314.9472 315.0875 315.2278 315.3680 315.5083 315.6485 315.7888 315.9290 316.0692 316.2094 316.3495 316.4897 316.6298 316.7700 316.9101 317.0502 317.1903 317.3304 317.4705 317.6106 317.7506 317.8907 318.0307 318.1707 318.3107 318.4507 318.5907 318.7307 318.8706 319.0106 319.1505 319.2904 319.4303 319.5702 319.7101 319.8500 319.9898 320.1297 320.2695 320.4093 320.5491 320.6889 320.8287 320.9685 321.1083 321.2480 321.3877 321.5275 321.6672 321.8069 321.9466 322.0863 322.2259 322.3656 322.5052 322.6448 322.7845 322.9241 323.0637 323.2032 323.3428 323.4824 323.6219 323.7614 323.9010 324.0405 324.1800 324.3194 324.4589 324.5984 324.7378 324.8773
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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: Ozone slant column amount [moles per square meter], -9e99=fitting not successful
Column 23: 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 24: 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 25: 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 26: 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 27: Ozone effective temperature [K]
Column 28: 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 29: 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 30: 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 31: Effective ozone fitting wavelength [nm], -9=fitting not successful
Column 32: 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 33: Sulfur dioxide slant column amount [moles per square meter], -9e99=fitting not successful
Column 34: Independent uncertainty of sulfur 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 sulfur 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 sulfur 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 sulfur 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: Sulfur dioxide effective temperature [K]
Column 39: Independent uncertainty of sulfur 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 sulfur 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 sulfur 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 sulfur dioxide fitting wavelength [nm], -9=fitting not successful
Column 43: Diffuse correction applied before fitting at effective fitting wavelength for sulfur dioxide [%], 0=no diffuse correction applied or fitting not requested, >0=measured diffuse correction, <0=(negative value of) calculated diffuse correction
Column 44: Molecular scattering air mass factor used for molecular scattering subtraction before the fitting
Column 45: Estimated uncertainty of molecular scattering air mass factor, -9=molecular scattering was not subtracted before the fitting
Column 46: Lower limit used for wavelength scaling [nm]
Column 47: Upper limit used for wavelength scaling [nm]
Column 48: Order of smoothing polynomial
Column 49: Smoothing polynomial coefficient, order 0
Column 50: Independent uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful
Column 51: Structured uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful
Column 52: Common uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful
Column 53: rms-based uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful
Column 54: Smoothing polynomial coefficient, order 1
Column 55: Independent uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful
Column 56: Structured uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful
Column 57: Common uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful
Column 58: rms-based uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful
Column 59: Smoothing polynomial coefficient, order 2
Column 60: Independent uncertainty of smoothing polynomial coefficient, order 2, -9=fitting not successful
Column 61: Structured uncertainty of smoothing polynomial coefficient, order 2, -9=fitting not successful
Column 62: Common uncertainty of smoothing polynomial coefficient, order 2, -9=fitting not successful
Column 63: rms-based uncertainty of smoothing polynomial coefficient, order 2, -9=fitting not successful
Column 64: Smoothing polynomial coefficient, order 3
Column 65: Independent uncertainty of smoothing polynomial coefficient, order 3, -9=fitting not successful
Column 66: Structured uncertainty of smoothing polynomial coefficient, order 3, -9=fitting not successful
Column 67: Common uncertainty of smoothing polynomial coefficient, order 3, -9=fitting not successful
Column 68: rms-based uncertainty of smoothing polynomial coefficient, order 3, -9=fitting not successful
Column 69: Mean value of measured data inside fitting window [same units as measurements]
Column 70: Wavelength change polynomial coefficient, order 0
Column 71: Independent uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful
Column 72: Structured uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful
Column 73: Common uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful
Column 74: rms-based uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful
Column 75: L1 based wavelength change coefficient, order 0, -9=no L1 wavelength change determination
Column 76: L1 based wavelength change coefficient, order 1, -9=no L1 wavelength change determination
Column 77: 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 78: 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 79: 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 80: 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 81: 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 82: 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 83: Atmospheric variability [%], 999=no atmospheric variability was determined
Column 84: Wavelength effective temperature [°C], 999=no effective temperature given
Column 85: Estimated average residual stray light level [%] (only valid for stray light correction methods 2 and higher)
Column 86: Retrieved wavelength shift from L1 data [nm], -9=no wavelength change determination
Column 87: Retrieved total wavelength shift [nm], -9=no wavelength change fitting
Column 88: Number of bright count cycles
Column 89: Number of dark count cycles
Column 90: Effective position of filterwheel #1, 0=filterwheel not used, 1-9 are valid positions
Column 91: Effective position of filterwheel #2, 0=filterwheel not used, 1-9 are valid positions
Column 92: Sum over 2^i, 0=spectra were interpolated in time, 1=spectra are corrected for off-target signal
Column 93: Integration time [ms]
Column 94: Spectrometer control temperature [°C], 999=no temperature signal
Column 95: Auxiliary spectrometer temperature [°C], 999=no temperature signal
Column 96: Temperature in head sensor [°C], 999=no temperature signal
Column 97: Temperature at electronics board 1 [°C], 999=no temperature signal
Column 98: Temperature at electronics board 2 [°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 101-242: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting
Columns 243-384: 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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SS 20250805T053213.7Z 9348.230714 114 1 54.19 2 68.22 86.02 157.80 295.43 0.00 1 0.00 1 0 17 4.611e-02 6.659e-03 3.318e-02 3.016e-03 3.588255e-01 1.575776e-03 4.220152e-03 -6.000000e+00 2.703531e-02 232.13 -2.00 3.50 -2.00 319.21 0.00e+00 1.208200e-03 3.967280e-04 1.431254e-04 -6.000000e+00 1.213318e-03 289.94 -2.00 20.00 -2.00 318.38 0.00e+00 2.671 0.000 302.00 328.00 3 3.5131e+00 4.4414e-03 3.2785e-02 -6.0000e+00 6.7758e-02 -1.8838e-02 5.1861e-03 1.9091e-02 -6.0000e+00 7.3000e-02 -8.8038e-03 3.8136e-03 9.3547e-03 -6.0000e+00 4.3484e-02 -6.7568e-03 1.9978e-03 2.9050e-03 -6.0000e+00 1.8733e-02 7.2318e-04 -1.9766e-04 8.6743e-05 2.8881e-05 -6.0000e+00 1.2205e-03 -4.7000e-03 0.0000e+00 11 8 0 10 0 0 99.95 23.83 0.95 -0.00470 -0.00619 259 28 1 8 0 208.850 20.00 23.83 29.84 28.00 28.00 35.3 968.91 10663 -5934 -11137 -15353 -15269 -9746 22075 11265 4953 -10237 -10743 -27082 -276 -6439 -3864 3412 8419 2127 -3057 3510 1085 2844 3763 -2939 -34 -2436 -4658 -6943 1253 -148 1120 5899 213 -2518 -5302 1028 -1991 -2670 -709 -1645 -2093 -795 206 -326 159 282 -1200 -1485 -390 -343 1634 -1129 680 2879 859 1519 912 -509 602 1212 1514 2064 1656 1000 475 16 197 -479 2481 585 -581 586 -458 380 175 611 416 -1524 -803 239 -1635 -1056 -2606 -1244 -721 -1369 299 169 -4 172 920 777 871 1171 1095 589 -124 798 -339 -522 187 -804 178 415 -1017 -950 -485 -883 -160 -53 70 -576 473 189 100 939 659 426 127 -111 -490 -152 377 -348 1139 261 501 1174 122 -235 37 -236 -186 111 -114 -50 -179 59 -12 -342 306 -354 235 -167 -344 -459 -449 -271 484 313 163 -413 -434 -1397 -13 -377 -258 237 585 169 -267 301 97 248 341 -306 -4 -277 -590 -847 136 -17 140 768 33 -404 -806 151 -339 -543 -171 -465 -643 -253 67 -108 52 94 -400 -496 -129 -117 596 -458 287 1271 397 718 443 -247 284 571 746 1109 974 637 298 9 110 -271 1520 417 -448 462 -356 280 118 367 234 -862 -499 169 -1323 -946 -2505 -1242 -706 -1433 324 186 -4 178 958 750 783 1070 1104 609 -145 1025 -456 -678 225 -889 187 468 -1261 -1221 -659 -1263 -243 -86 122 -1005 783 292 144 1285 930 633 205 -187 -827 -249 600 -529 1636 363 663 1635 188 -390 59 -389 -318 199 -219 -99 -364 123 -24 -679 583 -650
SS 20250805T112556.2Z 9348.476345 258 1 5.46 2 26.31 208.91 129.31 96.92 0.00 1 0.00 1 0 17 8.432e-03 7.188e-03 7.258e-04 5.522e-04 1.527693e-01 2.921684e-04 1.864915e-03 -6.000000e+00 4.943923e-03 232.12 -2.00 3.50 -2.00 314.33 0.00e+00 1.299813e-04 2.265017e-05 1.285707e-05 -6.000000e+00 2.218586e-04 289.95 -2.00 20.00 -2.00 313.73 0.00e+00 1.115 0.000 302.00 328.00 3 9.0874e-01 7.5078e-04 1.3742e-02 -6.0000e+00 1.2391e-02 -2.0569e-02 8.2598e-04 7.9934e-03 -6.0000e+00 1.3349e-02 1.7733e-03 4.7392e-04 3.8787e-03 -6.0000e+00 7.9516e-03 -7.3643e-03 2.0934e-04 1.0697e-03 -6.0000e+00 3.4262e-03 6.2561e-02 -1.5362e-04 1.5024e-05 1.3954e-05 -6.0000e+00 2.2313e-04 -5.5154e-03 0.0000e+00 12 9 1 12 1 1 99.70 23.80 0.92 -0.00552 -0.00667 237 257 1 8 0 22.561 20.00 23.80 30.85 28.00 28.00 35.5 976.24 -566 -1973 -279 -2859 -768 47 -515 936 570 -248 -970 -33 -62 -304 300 -391 -270 997 629 915 1204 611 1282 672 776 756 -264 -11 1211 1391 1926 654 1703 -1346 -2164 -17 -1623 -581 -239 -1330 -1594 -857 -667 -1455 -264 -814 -1022 45 -754 563 1049 474 695 951 285 1371 717 467 644 495 825 1043 634 777 -463 115 393 -419 1460 366 -447 194 -522 596 228 137 242 -935 560 -858 -1494 -1262 -2464 -1239 -658 -1281 -64 -389 142 -68 446 719 405 996 959 492 424 566 -379 -186 290 -756 167 774 -936 -1038 -353 -844 89 26 339 -317 469 253 383 802 564 229 193 -159 -326 50 448 -294 1113 545 423 1161 140 -149 -25 -368 -365 251 -221 -199 99 -148 -291 -156 202 -728 -229 -838 -117 -1111 -273 17 -189 381 239 -108 -405 -14 -29 -148 153 -213 -147 553 357 535 710 354 757 398 476 475 -163 -6 700 781 1128 381 1051 -851 -1247 -10 -1052 -393 -184 -1077 -1374 -755 -577 -1261 -234 -721 -868 38 -620 455 891 410 622 854 260 1259 672 433 586 455 787 1026 640 816 -470 112 356 -387 1390 370 -467 209 -556 628 231 128 215 -831 503 -841 -1499 -1333 -2747 -1381 -765 -1544 -77 -483 175 -82 522 789 419 1008 1039 546 498 705 -474 -229 344 -868 185 893 -1156 -1288 -458 -1104 117 34 468 -432 613 323 460 944 659 283 244 -208 -433 66 585 -376 1337 647 490 1336 168 -188 -32 -470 -474 328 -301 -275 139 -209 -409 -218 276 -967