File name: Pandora171s1_Beijing-RADI_20231011_L2Fit_fwvt1c1d20210725p1-8.txt
File generation date: 20231011T163237.8Z
Data description: Level 2 spectral fitting results file
Data file version: fwvt1c1p1-8
Local principal investigator: Li Kaitao
Network principal investigator: Alexander Cede
Instrument type: Pandora
Instrument number: 171
Spectrometer number: 1
Processing software version used: BlickP v1.8.49
Instrument operation file used: Pandora171_OF_v3d20200518.txt
Instrument calibration file used: Pandora171s1_CF_v1d20210725.txt
Level 1 file used: Pandora171s1_Beijing-RADI_20231011_L1_smca1c1d20210725p1-8.txt
Full location name: Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing
Short location name: Beijing-RADI
Country of location: China
Location latitude [deg]: 40.0048
Location longitude [deg]: 116.3786
Location altitude [m]: 59
Local noon date: 20231011
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: 1645 1795
Nominal wavelengths inside fitting window [nm]: 492.0172 492.1381 492.2591 492.3800 492.5009 492.6218 492.7427 492.8635 492.9843 493.1052 493.2259 493.3467 493.4675 493.5882 493.7090 493.8297 493.9504 494.0710 494.1917 494.3123 494.4330 494.5536 494.6742 494.7947 494.9153 495.0358 495.1563 495.2768 495.3973 495.5178 495.6382 495.7587 495.8791 495.9995 496.1199 496.2402 496.3606 496.4809 496.6012 496.7215 496.8417 496.9620 497.0822 497.2024 497.3226 497.4428 497.5630 497.6831 497.8033 497.9234 498.0435 498.1635 498.2836 498.4036 498.5237 498.6437 498.7636 498.8836 499.0036 499.1235 499.2434 499.3633 499.4832 499.6030 499.7229 499.8427 499.9625 500.0823 500.2021 500.3218 500.4416 500.5613 500.6810 500.8006 500.9203 501.0399 501.1596 501.2792 501.3988 501.5183 501.6379 501.7574 501.8769 501.9964 502.1159 502.2354 502.3548 502.4742 502.5936 502.7130 502.8324 502.9518 503.0711 503.1904 503.3097 503.4290 503.5482 503.6675 503.7867 503.9059 504.0251 504.1443 504.2634 504.3825 504.5016 504.6207 504.7398 504.8589 504.9779 505.0969 505.2159 505.3349 505.4539 505.5728 505.6917 505.8106 505.9295 506.0484 506.1673 506.2861 506.4049 506.5237 506.6425 506.7612 506.8800 506.9987 507.1174 507.2361 507.3547 507.4734 507.5920 507.7106 507.8292 507.9478 508.0663 508.1849 508.3034 508.4219 508.5403 508.6588 508.7772 508.8957 509.0141 509.1324 509.2508 509.3691 509.4875 509.6058 509.7241 509.8423 509.9606
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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 20231011T084820.2Z 8684.366900 3 1 48.97 2 80.80 252.74 94.86 288.13 0.00 1 0.00 1 0 22 8.261e-03 8.206e-03 3.864e-04 3.862e-04 5.298045e+03 2.361504e+01 3.571643e+02 -6.000000e+00 4.443793e+02 285.21 -2.00 20.00 -2.00 505.31 0.00e+00 3.767672e-03 1.054225e-05 2.158377e-04 -6.000000e+00 2.294621e-04 285.21 -2.00 20.00 -2.00 500.68 0.00e+00 1.364560e-01 7.425931e-03 5.025585e-02 -6.000000e+00 1.602081e-01 226.51 -2.00 3.49 -2.00 502.24 0.00e+00 5.935 0.004 489.00 513.00 1 4.7442e+00 5.6761e-04 1.0724e-02 -6.0000e+00 1.2260e-02 -5.8966e-02 1.4788e-04 1.0721e-03 -6.0000e+00 3.2283e-03 6.8604e-03 -2.5129e-03 3.2586e-05 7.6267e-05 -6.0000e+00 7.1809e-04 -9.0896e-03 -1.0909e-04 12 8 8 10 0 0 98.00 23.43 6.07 -0.00909 -0.02652 49 12 1 2 0 999.280 20.01 23.43 29.41 26.11 23.93 33.9 1015.73 900000 -1825 -1066 -190 566 1126 1478 1562 1505 1252 817 374 25 -434 -685 -806 -526 -159 119 375 632 422 245 405 406 493 607 487 -180 -758 -1500 -1708 -1396 -607 -90 455 382 182 -143 -330 -238 -190 238 684 943 1092 1043 852 551 29 -637 -1256 -1836 -1762 -1375 -705 -85 495 692 747 675 768 860 982 912 756 449 127 -316 -779 -916 -1117 -915 -577 -593 -552 -578 -765 -1292 -1418 -1410 -1177 -1063 -752 -616 -464 -171 -383 -304 -280 -130 105 455 609 955 905 575 256 -485 -1255 -1518 -1480 -1252 -801 -447 56 180 -229 -425 -574 -488 -165 544 745 1133 1321 1579 1511 1195 1137 793 470 417 368 190 532 660 385 647 549 362 178 -55 -542 -977 -734 -961 -513 138 364 247 518 587 596 664 440 318 -202 -528 -1018 -1136 900000 -1741 -1019 -186 562 1121 1478 1591 1524 1262 824 373 24 -430 -671 -791 -519 -157 119 379 640 429 250 413 411 504 621 498 -182 -758 -1478 -1674 -1377 -601 -92 469 394 186 -145 -332 -238 -191 242 694 970 1120 1074 874 560 29 -635 -1237 -1805 -1722 -1343 -700 -86 502 706 761 687 784 875 1004 932 767 456 127 -315 -780 -904 -1101 -909 -571 -596 -552 -573 -755 -1276 -1391 -1379 -1143 -1043 -739 -603 -461 -170 -383 -303 -278 -128 104 452 609 964 899 569 248 -466 -1198 -1430 -1395 -1201 -775 -440 57 181 -228 -417 -561 -484 -165 543 753 1154 1336 1605 1536 1225 1155 806 471 417 366 190 533 662 389 651 553 362 179 -54 -536 -964 -720 -952 -514 138 370 251 529 602 608 681 453 325 -203 -524 -1009 -1127
SQ 20231011T085416.3Z 8684.371022 6 1 47.86 2 81.89 253.74 95.92 289.07 0.00 1 0.00 1 0 22 9.964e-03 9.898e-03 5.411e-04 5.407e-04 5.594189e+03 3.310777e+01 3.726566e+02 -6.000000e+00 5.359956e+02 285.21 -2.00 20.00 -2.00 505.32 0.00e+00 4.119989e-03 1.476372e-05 2.366308e-04 -6.000000e+00 2.767563e-04 285.21 -2.00 20.00 -2.00 500.75 0.00e+00 6.694472e-02 1.036474e-02 5.468340e-02 -6.000000e+00 1.931557e-01 226.51 -2.00 3.49 -2.00 502.29 0.00e+00 6.632 0.005 489.00 513.00 1 5.2747e+00 7.9231e-04 1.1890e-02 -6.0000e+00 1.4782e-02 -6.6135e-02 2.0607e-04 1.1618e-03 -6.0000e+00 3.8904e-03 3.6577e-03 -3.0260e-03 4.5556e-05 8.2119e-05 -6.0000e+00 8.6582e-04 -1.5634e-02 -3.7155e-05 12 8 8 10 0 0 35.62 23.41 7.69 -0.01563 -0.03662 33 8 1 2 0 1449.950 19.99 23.41 29.40 26.32 25.28 33.5 1014.70 900000 -2115 -1327 -219 589 1395 1646 1855 1866 1502 1060 640 -17 -610 -768 -925 -648 -364 164 509 677 566 386 445 446 663 739 623 -176 -837 -1734 -2032 -1600 -829 -141 633 686 175 -143 -406 -329 -325 390 649 1023 1176 1165 1117 670 -28 -754 -1448 -2192 -1983 -1686 -697 -53 633 760 910 701 920 1074 1148 1066 852 511 59 -335 -889 -1142 -1473 -1155 -646 -659 -542 -704 -867 -1438 -1717 -1558 -1384 -1238 -1021 -851 -735 -192 -577 -347 -411 -306 184 609 842 1121 1022 809 202 -564 -1565 -1882 -1865 -1689 -874 -411 141 166 -287 -657 -603 -670 -118 535 1078 1297 1713 1883 1870 1557 1345 989 548 384 375 314 707 693 614 768 578 621 251 48 -674 -1110 -1095 -1092 -527 174 275 313 684 715 739 840 716 371 -368 -789 -1228 -1444 900000 -2004 -1257 -211 575 1383 1636 1876 1871 1500 1062 636 -17 -594 -753 -893 -630 -358 163 509 681 570 391 450 455 671 749 631 -178 -833 -1708 -1993 -1554 -819 -143 646 700 177 -144 -406 -327 -326 394 654 1045 1196 1189 1134 686 -29 -750 -1426 -2132 -1944 -1652 -691 -53 647 772 921 710 934 1100 1182 1098 872 517 59 -333 -891 -1131 -1458 -1150 -639 -662 -541 -708 -856 -1425 -1692 -1529 -1347 -1217 -1007 -845 -730 -191 -576 -345 -408 -305 181 611 847 1125 1025 797 198 -542 -1502 -1782 -1768 -1608 -845 -408 140 166 -285 -653 -596 -664 -119 539 1096 1313 1738 1922 1931 1600 1374 1011 554 383 377 316 714 703 617 771 580 625 251 48 -668 -1096 -1080 -1082 -534 176 282 320 703 738 758 865 739 381 -377 -791 -1232 -1453