File name: Pandora140s1_WashingtonDC_20250206_L2Fit_fout2c14d20220101p1-8.txt
File generation date: 20250207T052734.7Z
Data description: Level 2 spectral fitting results file
Data file version: fout2c14p1-8
Local principal investigator: Luke Valin
Network principal investigator: Alexander Cede
Instrument type: Pandora
Instrument number: 140
Spectrometer number: 1
Processing software version used: BlickP v1.8.70
Instrument operation file used: Pandora140_OF_v3d20200721.txt
Instrument calibration file used: Pandora140s1_CF_v14d20220101.txt
Level 1 file used: Pandora140s1_WashingtonDC_20250206_L1_smca1c14d20220101p1-8.txt
Full location name: McMillan Reservoir
Short location name: WashingtonDC
Country of location: United States
Location latitude [deg]: 38.9218
Location longitude [deg]: -77.0124
Location altitude [m]: 58
Local noon date: 20250206
Notes on s-number (L1 configuration): Corrections NOT applied although requested by the s-number are dark map for dark correction (replaced by immediate dark method), latency correction, matrix method stray light correction (replaced by simple method)
Data caveats: Modification of session 10 "Based on session 8 "Modif only on SO2 (WashingtonDC)"""
First and last pixel inside fitting window: 215 357
Nominal wavelengths inside fitting window [nm]: 305.0439 305.1847 305.3255 305.4663 305.6071 305.7478 305.8885 306.0293 306.1700 306.3107 306.4514 306.5921 306.7328 306.8734 307.0141 307.1547 307.2954 307.4360 307.5766 307.7172 307.8578 307.9983 308.1389 308.2794 308.4200 308.5605 308.7010 308.8415 308.9820 309.1225 309.2630 309.4034 309.5439 309.6843 309.8247 309.9652 310.1056 310.2459 310.3863 310.5267 310.6670 310.8074 310.9477 311.0881 311.2284 311.3687 311.5089 311.6492 311.7895 311.9297 312.0700 312.2102 312.3504 312.4906 312.6308 312.7710 312.9112 313.0514 313.1915 313.3316 313.4718 313.6119 313.7520 313.8921 314.0322 314.1722 314.3123 314.4523 314.5924 314.7324 314.8724 315.0124 315.1524 315.2924 315.4324 315.5723 315.7123 315.8522 315.9921 316.1320 316.2719 316.4118 316.5517 316.6915 316.8314 316.9712 317.1111 317.2509 317.3907 317.5305 317.6703 317.8100 317.9498 318.0895 318.2293 318.3690 318.5087 318.6484 318.7881 318.9278 319.0675 319.2071 319.3468 319.4864 319.6260 319.7656 319.9052 320.0448 320.1844 320.3239 320.4635 320.6030 320.7426 320.8821 321.0216 321.1611 321.3006 321.4400 321.5795 321.7189 321.8584 321.9978 322.1372 322.2766 322.4160 322.5554 322.6947 322.8341 322.9734 323.1128 323.2521 323.3914 323.5307 323.6700 323.8093 323.9485 324.0878 324.2270 324.3662 324.5054 324.6446 324.7838 324.9230
---------------------------------------------------------------------------------------
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
---------------------------------------------------------------------------------------
SS 20250206T214609.4Z 9168.907053 465 1 33.76 2 82.00 242.84 35.55 98.75 0.00 1 0.00 1 0 25 5.574e-01 1.785e-02 2.919e-01 8.481e-03 7.848779e-01 4.656118e-03 8.577514e-03 -6.000000e+00 3.154009e-01 224.69 -2.00 3.47 -2.00 321.87 0.00e+00 1.562672e-03 2.472868e-03 2.934360e-03 -6.000000e+00 1.377077e-02 276.62 -2.00 20.00 -2.00 321.42 0.00e+00 6.723 0.005 302.00 328.00 3 1.2575e+00 1.6931e-02 7.9658e-02 -6.0000e+00 7.8122e-01 4.1644e-01 2.4161e-02 4.6494e-02 -6.0000e+00 8.5155e-01 -5.7775e-01 2.5020e-02 2.5019e-02 -6.0000e+00 5.0675e-01 2.3579e-01 1.1657e-02 7.7841e-03 -6.0000e+00 2.1665e-01 9.2075e-05 -7.1106e-04 2.3570e-04 1.1875e-04 -6.0000e+00 1.4794e-02 5.7156e-04 0.0000e+00 12 9 9 12 1 1 99.26 18.44 0.38 0.00057 -0.00477 53 15 1 5 0 625.050 26.51 20.00 18.44 15.09 30.0 1052.46 -184930 900000 -151976 -188529 -249961 -160931 -148900 -138440 -196757 -126000 -24108 -214554 28907 -83935 -74114 -117238 -22928 900000 -60994 131511 -39934 -26913 10536 -33978 21129 -58571 -38734 -74472 -16962 -103192 -20556 -11872 -26514 57663 22688 15947 -28547 25905 -18151 49119 12741 30987 4828 7826 10016 10450 31681 18676 7128 -12316 12968 27862 21389 19219 17051 23747 5234 24909 11833 22526 2644 15935 10166 14103 17934 14710 14565 4566 7845 4550 12914 5979 5964 8519 -271 8537 -6783 1063 -4564 2646 -937 1293 -55 -2309 2606 -3485 1145 -1481 1953 1701 1835 216 -4433 -1330 -4749 -700 -2579 -1233 -1162 -624 -2231 -1772 -301 -3996 -2859 -3535 -890 -1303 -1743 139 374 897 121 487 -426 -1430 -63 4 -922 1026 859 903 1807 811 1755 18 1934 160 117 689 739 981 55 -89 -427 17 349 394 -284 -247 40 -1138 -846 -2548 900000 -1885 -2998 -6518 -1774 -1539 -1431 -4067 -1389 -199 -6140 239 -1157 -1174 -3206 -300 900000 -1387 1087 -770 -445 123 -679 262 -1695 -934 -2463 -304 -4332 -496 -319 -968 993 531 385 -1160 714 -877 1591 676 1473 289 463 580 611 1659 1158 485 -1097 1006 2109 1904 1919 1865 2537 696 2709 1407 2321 336 1936 1500 2305 3057 2573 2547 921 1681 1169 3409 1649 1631 2297 -72 1857 -1596 235 -1205 784 -318 499 -24 -1100 1262 -1916 631 -864 1104 933 938 105 -2202 -665 -2779 -463 -2044 -1125 -1182 -642 -2210 -1577 -236 -3170 -2408 -3184 -824 -1309 -1944 174 529 1374 192 755 -638 -2075 -90 6 -1476 1680 1394 1399 2667 1171 2416 25 2495 217 182 1228 1474 2122 119 -205 -1062 43 934 1069 -778 -648 97 -2625 -1984
SS 20250206T215706.0Z 9168.914653 468 1 49.89 2 83.91 244.68 33.49 100.89 0.00 1 0.00 1 0 33 1.044e+00 9.070e-02 4.323e-01 2.798e-02 1.010568e+00 1.553687e-02 2.013805e-02 -6.000000e+00 5.886802e-01 224.69 -2.00 3.47 -2.00 322.02 0.00e+00 -1.525940e-01 6.178662e-03 2.556689e-02 -6.000000e+00 2.709735e-02 276.62 -2.00 20.00 -2.00 321.43 0.00e+00 8.447 0.010 302.00 328.00 3 1.3050e+00 5.5862e-02 3.1693e-01 -6.0000e+00 1.4553e+00 1.1434e+00 6.8136e-02 4.7744e-01 -6.0000e+00 1.5840e+00 -1.6170e+00 4.9008e-02 3.1430e-02 -6.0000e+00 9.4406e-01 5.6904e-01 2.4916e-02 1.4399e-01 -6.0000e+00 4.0728e-01 1.9396e-05 -1.7516e-03 7.3101e-04 1.5846e-03 -6.0000e+00 2.7914e-02 3.5174e-04 0.0000e+00 12 8 8 10 0 0 58.27 18.45 0.48 0.00035 -0.01281 43 8 1 5 0 1160.000 26.51 20.00 18.45 15.34 30.0 1052.92 -7125 -8465 900000 -149076 65572 -84166 178297 114613 104807 411008 265819 900000 162932 900000 900000 67966 203863 278231 64413 1697 118189 -64269 80851 104680 302691 239998 253167 299074 252565 900000 101181 33264 7834 201397 24338 48585 180660 103649 160007 140006 197778 245494 900000 163937 219735 118684 133659 38661 40174 52338 51525 31168 42099 115503 126806 127029 162001 127611 -80873 102540 119374 41096 60110 610 47384 41494 37512 68608 60140 76206 39191 49982 34398 58496 42717 43909 74580 38122 39554 -11379 -7565 11333 30107 7567 27458 19968 14434 23851 9846 20755 -476 13458 9400 19310 13751 8562 -682 -12136 -6997 -15329 -5921 -13967 -4836 1793 -2048 3735 -3088 3030 -5539 -1167 -1319 2107 9000 6287 6673 3499 4907 -2944 -762 -1780 -1168 1334 -1732 958 3237 3157 -2930 -3160 -3252 -5239 -7081 -3203 -4350 -3892 -1022 1673 4068 1675 3505 1481 -79 75 -2134 -401 -354 900000 -13457 1787 -4129 4859 3956 8949 11201 11108 900000 10361 900000 900000 3175 5556 7582 1881 86 3221 -6305 2990 6724 8249 13548 12813 8150 6883 900000 3151 1748 519 5488 1327 2081 4923 4439 6541 11174 11935 10035 900000 9574 5988 5545 4483 2634 2581 3158 3611 3155 4425 6970 8639 11374 12929 15650 -62399 10978 8133 5280 6319 114 6088 5412 5111 7612 8546 11126 8972 11260 9249 11797 9080 7898 9291 6456 6622 -3225 -2378 3521 9135 3217 10526 8888 7028 10573 4848 8560 -224 5330 3996 8034 6771 4931 -471 -9736 -5792 -13916 -4659 -10990 -3400 1179 -1533 2829 -2626 2593 -5331 -1234 -1625 2825 12049 8856 9184 4756 6402 -4207 -1105 -2686 -1723 1825 -2348 1321 4246 4026 -3822 -4220 -4945 -8835 -13774 -6635 -9899 -9633 -2710 4666 11440 4888 9988 4075 -202 178 -5216