File name: Pandora64s1_NewHavenCT_20250213_L2Fit_fout2c4d20190911p1-8.txt
File generation date: 20250214T052636.7Z
Data description: Level 2 spectral fitting results file
Data file version: fout2c4p1-8
Local principal investigator: Lukas Valin
Network principal investigator: Alexander Cede
Instrument type: Pandora
Instrument number: 64
Spectrometer number: 1
Processing software version used: BlickP v1.8.70
Instrument operation file used: Pandora64_OF_v3d20190516.txt
Instrument calibration file used: Pandora64s1_CF_v4d20190911.txt
Level 1 file used: Pandora64s1_NewHavenCT_20250213_L1_smca1c4d20190911p1-8.txt
Full location name: New Haven - Criscuolo Park CTDEEP (USEPA AQS ID 34-017-0006)
Short location name: NewHavenCT
Country of location: USA
Location latitude [deg]: 41.3014
Location longitude [deg]: -72.9029
Location altitude [m]: 4
Local noon date: 20250213
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: Mod WL cal slit func 9
First and last pixel inside fitting window: 249 390
Nominal wavelengths inside fitting window [nm]: 305.1279 305.2688 305.4097 305.5506 305.6915 305.8324 305.9732 306.1141 306.2549 306.3958 306.5366 306.6774 306.8182 306.9590 307.0997 307.2405 307.3812 307.5220 307.6627 307.8034 307.9441 308.0848 308.2255 308.3662 308.5068 308.6475 308.7881 308.9287 309.0693 309.2099 309.3505 309.4911 309.6316 309.7722 309.9127 310.0533 310.1938 310.3343 310.4748 310.6153 310.7557 310.8962 311.0366 311.1771 311.3175 311.4579 311.5983 311.7387 311.8791 312.0195 312.1598 312.3002 312.4405 312.5808 312.7211 312.8614 313.0017 313.1420 313.2822 313.4225 313.5627 313.7030 313.8432 313.9834 314.1236 314.2638 314.4039 314.5441 314.6842 314.8244 314.9645 315.1046 315.2447 315.3848 315.5249 315.6649 315.8050 315.9450 316.0851 316.2251 316.3651 316.5051 316.6451 316.7850 316.9250 317.0649 317.2049 317.3448 317.4847 317.6246 317.7645 317.9044 318.0442 318.1841 318.3239 318.4638 318.6036 318.7434 318.8832 319.0230 319.1628 319.3025 319.4423 319.5820 319.7217 319.8614 320.0011 320.1408 320.2805 320.4202 320.5598 320.6995 320.8391 320.9787 321.1183 321.2579 321.3975 321.5371 321.6766 321.8162 321.9557 322.0953 322.2348 322.3743 322.5138 322.6532 322.7927 322.9322 323.0716 323.2110 323.3504 323.4899 323.6292 323.7686 323.9080 324.0474 324.1867 324.3260 324.4654 324.6047 324.7440 324.8833
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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 20250213T215054.7Z 9175.910355 618 1 48.97 2 85.07 247.84 108.98 59.72 0.00 1 0.00 1 0 17 8.091e-01 8.258e-02 2.732e-01 2.761e-02 8.823023e-01 1.626325e-02 1.327448e-02 -6.000000e+00 4.843348e-01 224.81 -2.00 3.52 -2.00 320.95 0.00e+00 7.559436e-02 4.690683e-03 4.580666e-03 -6.000000e+00 2.213546e-02 274.92 -2.00 20.00 -2.00 320.62 0.00e+00 9.936 0.018 302.00 328.00 3 -2.9754e-01 4.8657e-02 1.4093e-01 -6.0000e+00 1.1977e+00 2.5849e+00 5.4277e-02 1.6448e-01 -6.0000e+00 1.2999e+00 -2.4776e+00 2.8140e-02 2.2079e-02 -6.0000e+00 7.7197e-01 9.2026e-01 1.5495e-02 6.2093e-02 -6.0000e+00 3.2864e-01 7.8536e-06 -6.1548e-03 6.8949e-04 9.4419e-04 -6.0000e+00 2.4160e-02 -2.7246e-03 -5.8658e-05 12 8 8 10 0 0 89.14 21.19 0.42 -0.00272 -0.04897 17 4 1 5 0 2880.200 25.68 19.99 21.19 11.42 38.4 967.96 210587 258282 256022 192959 -36379 156570 134942 223803 159954 900000 -46094 16249 22487 112237 114637 163832 139778 211611 115120 247047 131146 900000 163432 900000 -9318 31728 -40503 76959 18002 -69265 28548 114266 82877 195246 47265 175919 54206 66838 15289 63155 37509 28300 24314 -31043 25841 69541 73780 27672 35634 -4758 109624 88252 290240 31569 33911 20892 20211 -18230 37389 -21730 2240 17941 27254 -28887 106241 -5283 40912 82545 42862 14017 29975 17118 -9518 -16014 -3972 -41276 129327 -23420 -13507 -4609 1943 -17654 6634 -6739 2671 -8322 22339 -3552 18710 6689 -11268 -24513 -17480 -15327 -8475 -472 364 5432 8501 1429 -1891 12138 -16663 2205 -7822 -9982 -8978 18723 -5666 2469 558 -3635 -852 1170 -4621 -1271 -3253 4157 -2091 9773 443 10598 4291 14431 3049 2633 -6299 8989 -264 434 -2656 831 -4141 566 -127 1221 -1670 1577 434 13 -1124 -1994 20667 17580 17831 21075 -24375 12144 8117 6022 4304 900000 -4815 1132 2385 7817 11069 12188 14824 12456 16400 9141 12248 900000 6597 900000 -959 1868 -4295 2847 1453 -16884 3705 8263 9199 6896 5835 5996 5470 5620 1936 5098 3785 3141 3026 -6830 3694 7017 7693 4643 5753 -1190 9771 10093 7810 5846 5931 3689 3229 -3665 4402 -4540 433 3440 5546 -11065 11793 -1647 8532 11384 9299 4149 7686 4850 -3239 -5171 -1000 -13524 8584 -6932 -4404 -1692 775 -9585 2993 -3552 1332 -4782 9724 -2024 8441 3250 -6064 -14201 -9297 -8661 -5299 -331 288 4775 7892 1408 -1784 9261 -14299 1641 -6408 -8685 -8322 15322 -6344 2931 759 -5472 -1258 1660 -6728 -1769 -4800 6004 -3382 14231 681 13926 5780 16957 3897 3338 -8711 11838 -449 842 -5640 1841 -10280 1425 -341 3345 -4733 4363 1192 33 -2746 -4581