File name: Pandora282s1_Ilo-UNAM_20250613_L2Fit_fout2c3d20250118p1-8.txt
File generation date: 20250829T103134.4Z
Data description: Level 2 spectral fitting results file
Data file version: fout2c3p1-8
Local principal investigator: 
Network principal investigator: Alexander Cede
Instrument type: Pandora
Instrument number: 282
Spectrometer number: 1
Processing software version used: BlickP v1.8.75
Instrument operation file used: Pandora282_OF_v2d20240118.txt
Instrument calibration file used: Pandora282s1_CF_v3d20250118.txt
Level 1 file used: Pandora282s1_Ilo-UNAM_20250613_L1_smca1c3d20250118p1-8.txt
Full location name: Grupo de Investigacion en Ciencias de la Atmosfera, UNAM, Peru
Short location name: Ilo-UNAM
Country of location: Peru
Location latitude [deg]: -17.6020
Location longitude [deg]: -71.3389
Location altitude [m]: 85
Local noon date: 20250613
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: None
First and last pixel inside fitting window: 202 344
Nominal wavelengths inside fitting window [nm]: 305.0533 305.1939 305.3345 305.4751 305.6156 305.7562 305.8968 306.0373 306.1778 306.3184 306.4589 306.5994 306.7399 306.8803 307.0208 307.1613 307.3017 307.4421 307.5825 307.7230 307.8634 308.0037 308.1441 308.2845 308.4248 308.5652 308.7055 308.8458 308.9861 309.1264 309.2667 309.4070 309.5473 309.6875 309.8278 309.9680 310.1082 310.2484 310.3886 310.5288 310.6690 310.8091 310.9493 311.0894 311.2296 311.3697 311.5098 311.6499 311.7900 311.9300 312.0701 312.2102 312.3502 312.4902 312.6302 312.7702 312.9102 313.0502 313.1902 313.3301 313.4701 313.6100 313.7500 313.8899 314.0298 314.1697 314.3095 314.4494 314.5893 314.7291 314.8690 315.0088 315.1486 315.2884 315.4282 315.5680 315.7077 315.8475 315.9872 316.1269 316.2667 316.4064 316.5461 316.6858 316.8254 316.9651 317.1048 317.2444 317.3840 317.5236 317.6632 317.8028 317.9424 318.0820 318.2216 318.3611 318.5006 318.6402 318.7797 318.9192 319.0587 319.1982 319.3376 319.4771 319.6165 319.7560 319.8954 320.0348 320.1742 320.3136 320.4530 320.5923 320.7317 320.8710 321.0104 321.1497 321.2890 321.4283 321.5676 321.7068 321.8461 321.9854 322.1246 322.2638 322.4030 322.5422 322.6814 322.8206 322.9598 323.0990 323.2381 323.3772 323.5164 323.6555 323.7946 323.9337 324.0727 324.2118 324.3509 324.4899 324.6289 324.7679 324.9070
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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 100-242: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting
Columns 243-385: 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 20250613T151518.8Z 9295.635634 419 1 30.74 2 46.42 29.12 113.75 230.13 0.00 1 0.00 1 0 17 9.241e-03 6.989e-03 2.001e-03 1.429e-03 1.697129e-01 7.175174e-04 1.812441e-03 -6.000000e+00 5.141241e-03 226.37 -2.00 3.04 -2.00 314.70 0.00e+00 5.276104e-04 6.034684e-05 2.191340e-05 -6.000000e+00 2.352434e-04 291.01 -2.00 20.00 -2.00 314.03 0.00e+00 1.448 0.000 302.00 328.00 3 4.7962e+00 1.8283e-03 1.6116e-02 -6.0000e+00 1.2709e-02 3.8361e-02 2.0299e-03 7.5845e-03 -6.0000e+00 1.3782e-02 -6.3794e-05 1.1659e-03 3.6977e-03 -6.0000e+00 8.2558e-03 -4.3122e-03 5.2595e-04 1.0765e-03 -6.0000e+00 3.6004e-03 8.8704e-04 -1.1306e-04 3.7541e-05 1.2754e-05 -6.0000e+00 2.3073e-04 -2.1026e-03 0.0000e+00 11 8 0 10 0 0 99.94 25.21 0.36 -0.00210 -0.00295 15 15 1 5 0 2048.780 33.50 20.00 25.21 29.59 3.9 1015.06 -386 993 401 -615 -3050 -3571 -310 888 1291 811 -1798 -1511 -1315 460 1284 530 50 842 432 1291 643 -37 466 1127 416 360 193 719 -889 -167 1070 662 1812 -311 -1957 -2740 -2184 -2228 -517 4 -207 -1068 -579 -303 -489 -77 -754 -540 -866 -276 1043 147 593 963 619 780 566 568 236 180 636 939 1439 1994 804 -241 -570 -1009 247 584 670 794 450 480 673 -74 -236 -1857 -1169 -1181 -1583 -1090 -1700 -1465 -986 -312 -19 354 848 718 594 56 -279 -431 -255 -4 262 869 648 216 -252 -622 -1033 -625 -554 -933 -877 -588 -239 247 732 833 300 344 -179 -252 -283 -166 217 514 -8 163 457 116 600 483 -13 465 233 326 118 -193 -121 -127 -31 11 44 378 137 -5 -263 -539 -680 -135 372 153 -221 -1038 -1138 -100 316 476 316 -690 -567 -539 208 604 274 26 448 223 679 348 -20 247 623 242 217 117 403 -493 -88 571 351 1019 -185 -1089 -1544 -1237 -1370 -355 3 -163 -880 -487 -256 -411 -64 -618 -445 -690 -213 823 119 500 846 533 678 503 503 205 162 556 873 1373 2015 827 -228 -510 -897 224 571 693 823 472 490 676 -71 -210 -1626 -1019 -1090 -1567 -1129 -1813 -1613 -1104 -359 -23 430 1037 891 713 64 -300 -431 -261 -4 295 1032 800 267 -306 -726 -1176 -720 -672 -1164 -1093 -763 -320 335 1040 1160 420 464 -228 -309 -339 -205 274 678 -10 225 617 152 765 612 -15 559 283 406 154 -259 -157 -169 -44 16 63 550 203 -7 -388 -773 -946
SS 20250613T152539.1Z 9295.642814 422 1 29.09 2 45.27 26.22 115.55 228.71 0.00 1 0.00 1 0 17 1.496e-02 9.645e-03 6.325e-03 3.860e-03 1.697972e-01 1.924305e-03 1.785771e-03 -6.000000e+00 8.325474e-03 226.37 -2.00 3.04 -2.00 315.42 0.00e+00 1.107574e-03 1.854013e-04 3.002172e-05 -6.000000e+00 3.809324e-04 291.01 -2.00 20.00 -2.00 314.68 0.00e+00 1.419 0.000 302.00 328.00 3 6.4358e+00 4.9433e-03 1.5855e-02 -6.0000e+00 2.0580e-02 6.2944e-02 5.5121e-03 7.6166e-03 -6.0000e+00 2.2317e-02 6.2949e-04 3.1613e-03 3.6684e-03 -6.0000e+00 1.3369e-02 -7.1477e-03 1.4601e-03 1.2186e-03 -6.0000e+00 5.8305e-03 1.7498e-04 2.2878e-05 1.0264e-04 1.2031e-05 -6.0000e+00 3.7362e-04 -2.2941e-03 0.0000e+00 12 8 8 10 0 0 99.88 25.24 0.77 -0.00229 -0.00212 8 8 1 5 0 3635.620 33.50 20.01 25.24 30.46 3.8 1019.87 -1707 4756 844 19 -5268 -8261 -1718 -407 980 414 -1225 -1997 664 1666 1631 -514 -19 2464 860 -452 -647 4081 203 269 413 -730 382 2219 -373 513 63 842 2393 -240 -1501 -4533 -2652 -2354 -545 -761 451 -1547 -822 1543 -339 -360 -1730 -1144 -1086 -901 1722 63 768 574 1259 1224 456 339 -763 132 787 1323 1564 2215 1376 225 -1405 -464 -974 743 978 1006 506 734 945 -406 -208 -2508 -1249 -1991 -1703 -1851 -1574 -1518 -1007 243 354 514 985 794 1242 -791 -1311 -624 -1056 -1072 -218 1117 470 1165 349 -613 -1906 -1089 -461 -232 -641 -963 -242 373 1497 895 120 102 -772 -910 -712 83 628 481 21 1253 437 -61 410 631 -359 13 284 219 -5 -367 466 -583 -261 24 168 534 583 134 -97 -874 -1019 -467 1322 247 5 -1444 -2171 -440 -115 277 123 -356 -573 204 570 628 -220 -8 1062 388 -213 -311 1830 95 131 209 -387 200 1065 -168 218 28 390 1169 -125 -725 -2128 -1316 -1342 -335 -550 351 -1175 -636 1176 -261 -277 -1316 -899 -820 -663 1277 50 593 464 1037 1017 389 288 -642 109 659 1175 1498 2245 1412 212 -1212 -405 -813 694 1009 1011 515 780 945 -370 -182 -2061 -1017 -1821 -1607 -1925 -1621 -1616 -1136 293 452 634 1222 961 1488 -877 -1411 -619 -1082 -1200 -247 1382 589 1547 439 -715 -2097 -1207 -558 -299 -862 -1266 -327 528 2207 1351 176 139 -1028 -1115 -850 102 820 637 30 1720 591 -86 541 791 -427 16 342 281 -7 -510 644 -833 -367 36 257 833 928 212 -148 -1303 -1472