File name: Pandora222s1_DaNang_20260227_L2Fit_fout2c3d20240301p1-8.txt
File generation date: 20260227T170757.2Z
Data description: Level 2 spectral fitting results file
Data file version: fout2c3p1-8
Local principal investigator: Nhat Minh Nguyen
Network principal investigator: Alexander Cede
Instrument type: Pandora
Instrument number: 222
Spectrometer number: 1
Processing software version used: BlickP v1.8.88
Instrument operation file used: Pandora222_OF_v2d20220422.txt
Instrument calibration file used: Pandora222s1_CF_v3d20240301.txt
Level 1 file used: Pandora222s1_DaNang_20260227_L1_smca1c3d20240301p1-8.txt
Full location name: Middle and Highland Ctr for Env. Monitoring (MHCEM)
Short location name: DaNang
Country of location: Vietnam
Location latitude [deg]: 16.0005
Location longitude [deg]: 108.2104
Location altitude [m]: 30
Local noon date: 20260227
Notes on s-number (L1 configuration): Corrections NOT applied although requested by the s-number are latency correction, radiometric temperature correction, matrix method stray light correction (replaced by simple method)
Data caveats: OoB based on session 2
First and last pixel inside fitting window: 198 339
Nominal wavelengths inside fitting window [nm]: 305.1164 305.2580 305.3995 305.5410 305.6825 305.8240 305.9655 306.1070 306.2485 306.3899 306.5313 306.6728 306.8142 306.9556 307.0970 307.2384 307.3798 307.5211 307.6625 307.8038 307.9452 308.0865 308.2278 308.3691 308.5104 308.6517 308.7930 308.9342 309.0755 309.2167 309.3579 309.4991 309.6403 309.7815 309.9227 310.0639 310.2050 310.3462 310.4873 310.6284 310.7695 310.9106 311.0517 311.1928 311.3339 311.4749 311.6160 311.7570 311.8980 312.0391 312.1801 312.3211 312.4620 312.6030 312.7440 312.8849 313.0258 313.1668 313.3077 313.4486 313.5895 313.7304 313.8712 314.0121 314.1529 314.2938 314.4346 314.5754 314.7162 314.8570 314.9978 315.1385 315.2793 315.4200 315.5608 315.7015 315.8422 315.9829 316.1236 316.2643 316.4050 316.5456 316.6863 316.8269 316.9675 317.1081 317.2487 317.3893 317.5299 317.6705 317.8110 317.9516 318.0921 318.2326 318.3731 318.5136 318.6541 318.7946 318.9351 319.0755 319.2160 319.3564 319.4968 319.6372 319.7776 319.9180 320.0584 320.1988 320.3391 320.4795 320.6198 320.7601 320.9004 321.0407 321.1810 321.3213 321.4616 321.6018 321.7420 321.8823 322.0225 322.1627 322.3029 322.4431 322.5833 322.7234 322.8636 323.0037 323.1438 323.2840 323.4241 323.5642 323.7042 323.8443 323.9844 324.1244 324.2645 324.4045 324.5445 324.6845 324.8245 324.9645
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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: Temperature at electronics board [°C], 999=no temperature signal
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: Humidity in head sensor [%], -9=no humidity signal
Column 99: Pressure in head sensor [hPa], -9=no pressure signal
Columns 100-241: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting
Columns 242-383: 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 20260227T040816.3Z 9554.172411 302 1 10.62 2 27.51 151.40 121.44 43.96 0.00 1 0.00 1 0 17 1.095e-02 8.902e-03 4.511e-03 3.588e-03 1.247174e-01 1.875465e-03 1.336603e-03 -6.000000e+00 6.362039e-03 226.25 -2.00 3.10 -2.00 314.11 0.00e+00 4.308915e-04 1.449459e-04 1.926066e-05 -6.000000e+00 2.970841e-04 293.06 -2.00 20.00 -2.00 313.48 0.00e+00 1.127 0.000 302.00 328.00 3 5.7598e+00 4.7454e-03 1.2451e-02 -6.0000e+00 1.5678e-02 4.4457e-02 5.2695e-03 5.6358e-03 -6.0000e+00 1.7018e-02 -2.1449e-03 3.0304e-03 2.7223e-03 -6.0000e+00 1.0220e-02 -9.5794e-03 1.3043e-03 7.7717e-04 -6.0000e+00 4.3579e-03 5.1153e-04 -2.0223e-04 1.0677e-04 1.1472e-05 -6.0000e+00 3.1977e-04 6.5517e-03 3.6364e-05 12 9 1 12 1 1 999.00 23.27 0.43 0.00655 0.00503 2 3 1 5 0 3538.510 24.96 20.00 23.27 36.76 22.4 988.19 -519 -1192 -1688 -2858 250 -981 1697 692 -719 -1966 -1400 1314 -1109 834 1664 -228 721 1174 1802 -317 1336 2096 2818 726 445 -567 415 -700 452 1354 1428 820 -834 -4702 -2664 -1988 -2409 -187 -201 -498 -1369 -628 -601 741 -245 -491 -782 88 106 44 -96 1082 899 440 907 1039 304 -366 500 495 1618 1037 1312 35 -380 333 329 1247 857 674 187 731 1081 249 -1158 -545 -2029 -1448 -1240 -1849 -1538 -2893 -1670 -323 -11 -156 848 1392 454 737 280 -421 347 -175 -190 83 879 60 -406 -791 -770 -609 -357 -1101 -861 -717 -846 19 1028 940 636 351 -155 -363 -493 -24 436 534 198 -133 265 905 796 719 836 -359 198 -80 -790 231 -13 173 125 256 353 307 131 542 15 -180 -945 -1442 -240 -575 -792 -1216 101 -397 713 298 -336 -933 -644 607 -572 431 925 -134 425 701 1092 -200 824 1280 1755 478 281 -365 271 -424 254 806 813 490 -522 -2937 -1545 -1193 -1632 -135 -159 -413 -1198 -559 -541 655 -216 -424 -690 73 86 36 -83 966 787 398 826 954 281 -336 452 456 1557 1012 1341 36 -385 304 302 1151 824 674 199 780 1122 261 -1112 -496 -1728 -1306 -1136 -1775 -1610 -3088 -1843 -355 -13 -184 1029 1696 541 854 312 -453 348 -180 -199 95 1037 75 -503 -931 -893 -672 -405 -1290 -1067 -880 -1083 25 1336 1266 856 474 -194 -437 -586 -28 530 661 251 -175 347 1149 1019 869 1011 -418 229 -96 -956 287 -16 222 166 339 489 418 183 759 21 -254 -1311 -1982
SS 20260227T041235.3Z 9554.175408 305 1 51.53 2 27.02 153.48 120.76 44.67 0.00 1 0.00 1 0 17 1.082e-02 8.165e-03 4.379e-03 2.756e-03 1.267814e-01 1.418178e-03 1.346399e-03 -6.000000e+00 6.289672e-03 226.25 -2.00 3.10 -2.00 315.44 0.00e+00 5.187166e-04 1.395709e-04 8.347918e-05 -6.000000e+00 2.936192e-04 293.06 -2.00 20.00 -2.00 314.65 0.00e+00 1.122 0.000 302.00 328.00 3 6.2430e+00 3.6361e-03 1.2433e-02 -6.0000e+00 1.5500e-02 5.6057e-02 4.0642e-03 5.6650e-03 -6.0000e+00 1.6823e-02 -7.3927e-03 2.3202e-03 2.7438e-03 -6.0000e+00 1.0102e-02 -6.6196e-03 1.0388e-03 7.7563e-04 -6.0000e+00 4.3093e-03 3.1479e-04 2.4266e-04 8.2775e-05 1.0131e-05 -6.0000e+00 3.1603e-04 5.4611e-03 8.7346e-05 11 9 0 11 16 0 99.98 23.27 0.23 0.00546 0.00728 24 4 1 5 0 2147.050 24.96 19.99 23.27 36.95 22.4 989.57 -585 600 -2793 -3116 242 3104 -1362 369 -1151 -3354 -509 329 257 -109 327 265 739 819 2865 -326 872 990 1701 331 506 803 -1511 -97 -636 1137 -231 1372 -682 -3013 -1591 -763 -2906 -292 -571 -560 -447 26 -178 -176 643 -1440 -535 -1149 554 451 879 449 1211 1023 1179 827 270 307 191 756 1260 2092 1407 459 -750 -658 -535 756 666 261 1247 219 1247 -143 -336 -1362 -1208 -2296 -2165 -2306 -1427 -2478 -1565 22 -222 779 771 1187 494 338 -124 -286 -417 -471 -672 348 410 213 -107 -208 -975 -801 -274 -1443 -911 -486 -353 188 1111 1059 422 351 50 -415 45 -137 -67 464 276 264 519 630 300 722 -63 -79 784 -86 23 -498 -526 -255 219 -96 365 247 775 108 14 -288 -757 -1071 -189 198 -924 -927 63 774 -379 110 -374 -1120 -161 106 91 -42 138 116 326 367 1285 -154 404 456 799 163 255 406 -749 -44 -269 469 -99 607 -318 -1378 -748 -370 -1472 -168 -386 -419 -350 21 -144 -142 507 -1132 -399 -826 380 314 639 342 953 829 964 685 224 251 156 626 1094 1924 1368 448 -685 -599 -460 653 635 249 1244 223 1228 -148 -316 -1160 -949 -1820 -1862 -2198 -1474 -2756 -1641 24 -262 963 988 1529 621 394 -145 -303 -416 -480 -741 416 488 267 -132 -268 -1182 -926 -324 -1869 -1131 -627 -474 260 1596 1575 630 499 66 -550 55 -167 -86 633 367 363 711 843 423 959 -80 -96 935 -108 30 -683 -735 -359 318 -134 532 370 1186 167 21 -427 -1098 -1536