File name: Pandora127s1_Mainz-MPIC_20250921_L2Fit_fwvt1c5d20250721p1-8.txt
File generation date: 20250921T232325.7Z
Data description: Level 2 spectral fitting results file
Data file version: fwvt1c5p1-8
Local principal investigator: Thomas Wagner
Network principal investigator: Alexander Cede
Instrument type: Pandora
Instrument number: 127
Spectrometer number: 1
Processing software version used: BlickP v1.8.75
Instrument operation file used: Pandora127_OF_v4d20210611.txt
Instrument calibration file used: Pandora127s1_CF_v6d20250721.txt
Level 1 file used: Pandora127s1_Mainz-MPIC_20250921_L1_smca1c5d20250721p1-8.txt
Full location name: Max-Planck-Institute for Chemistry, Mainz
Short location name: Mainz-MPIC
Country of location: Germany
Location latitude [deg]: 49.9910
Location longitude [deg]: 8.2280
Location altitude [m]: 125
Local noon date: 20250921
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: None
First and last pixel inside fitting window: 1649 1799
Nominal wavelengths inside fitting window [nm]: 492.0932 492.2135 492.3339 492.4542 492.5745 492.6948 492.8151 492.9353 493.0556 493.1758 493.2960 493.4162 493.5364 493.6565 493.7767 493.8968 494.0169 494.1370 494.2571 494.3771 494.4972 494.6172 494.7372 494.8572 494.9772 495.0971 495.2170 495.3370 495.4569 495.5767 495.6966 495.8165 495.9363 496.0561 496.1759 496.2957 496.4155 496.5352 496.6549 496.7746 496.8943 497.0140 497.1337 497.2533 497.3730 497.4926 497.6122 497.7317 497.8513 497.9708 498.0904 498.2099 498.3294 498.4488 498.5683 498.6877 498.8072 498.9266 499.0459 499.1653 499.2847 499.4040 499.5233 499.6426 499.7619 499.8812 500.0004 500.1197 500.2389 500.3581 500.4773 500.5964 500.7156 500.8347 500.9538 501.0729 501.1920 501.3110 501.4301 501.5491 501.6681 501.7871 501.9061 502.0250 502.1440 502.2629 502.3818 502.5007 502.6196 502.7384 502.8573 502.9761 503.0949 503.2137 503.3324 503.4512 503.5699 503.6886 503.8073 503.9260 504.0447 504.1633 504.2820 504.4006 504.5192 504.6378 504.7563 504.8749 504.9934 505.1119 505.2304 505.3489 505.4673 505.5858 505.7042 505.8226 505.9410 506.0593 506.1777 506.2960 506.4144 506.5327 506.6509 506.7692 506.8875 507.0057 507.1239 507.2421 507.3603 507.4785 507.5966 507.7147 507.8328 507.9509 508.0690 508.1871 508.3051 508.4231 508.5412 508.6591 508.7771 508.8951 509.0130 509.1309 509.2488 509.3667 509.4846 509.6025 509.7203 509.8381 509.9559
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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 20250921T094121.7Z 9395.403724 169 1 10.87 2 53.76 148.81 51.66 153.81 0.00 1 0.00 1 0 22 3.726e-03 3.701e-03 1.698e-03 1.694e-03 3.184795e+03 1.004551e+02 2.423376e+02 -6.000000e+00 1.993772e+02 280.12 -2.00 20.00 -2.00 505.25 0.00e+00 5.065045e-04 4.561253e-05 3.053509e-05 -6.000000e+00 1.025269e-04 280.12 -2.00 20.00 -2.00 500.38 0.00e+00 1.183848e-03 3.320316e-02 2.096739e-02 -6.000000e+00 7.286943e-02 227.99 -2.00 3.76 -2.00 501.98 0.00e+00 1.687 0.000 489.00 513.00 1 7.1936e+00 2.5385e-03 3.0741e-03 -6.0000e+00 5.5725e-03 1.2548e-02 6.6089e-04 5.4700e-04 -6.0000e+00 1.4584e-03 1.1491e-03 7.4521e-04 1.5145e-04 3.2407e-05 -6.0000e+00 3.4369e-04 4.9550e-03 -8.5441e-05 12 1 1 12 1 1 99.77 20.89 2.04 0.00496 0.01012 4 5 1 2 0 2173.540 20.00 20.89 26.10 25.68 25.68 0.0 982.32 -939 -479 -202 -108 170 656 297 418 428 482 352 -13 -101 -433 -108 -358 155 247 542 -7 313 114 -110 -31 172 345 404 -86 -415 -225 -365 -751 -144 298 367 12 437 -170 -233 -265 -30 -54 115 132 360 276 309 410 182 102 -399 -566 -1688 -720 -87 -228 24 4 155 -205 305 204 257 418 526 575 -28 -55 -178 -388 -222 37 -361 129 -176 15 -295 -209 -333 -512 -608 -247 110 -280 340 -644 -55 -582 -103 -137 -10 604 351 199 661 440 161 212 -376 -633 -768 -765 -418 -317 30 -258 -29 -275 -329 -163 -73 195 211 470 499 314 659 500 -98 422 74 10 259 475 189 9 90 127 73 402 492 -117 94 -370 -465 -302 -47 -95 -8 244 25 -14 270 269 183 458 -294 -415 -192 -308 -274 -921 -478 -202 -111 179 680 314 445 452 502 362 -14 -104 -443 -110 -366 161 254 569 -8 334 122 -117 -33 184 370 430 -91 -427 -231 -369 -764 -144 309 391 12 464 -179 -243 -273 -31 -56 120 140 372 286 318 429 187 102 -390 -557 -1658 -705 -88 -229 24 4 160 -212 314 211 259 433 541 582 -28 -54 -174 -374 -219 37 -349 126 -174 15 -287 -199 -324 -496 -592 -234 104 -270 329 -636 -54 -577 -101 -136 -10 604 346 197 648 438 157 201 -350 -598 -719 -724 -393 -310 29 -256 -29 -265 -323 -160 -70 190 209 468 500 316 665 508 -99 422 73 10 247 453 182 9 87 123 70 386 470 -111 90 -351 -437 -286 -45 -90 -8 239 25 -13 269 270 178 458 -293 -404 -181 -287 -256