File name: Pandora21s1_Bremen_20230112_L2Fit_fwvt1c9d20211128p1-8.txt
File generation date: 20250424T083125.0Z
Data description: Level 2 spectral fitting results file
Data file version: fwvt1c9p1-8
Local principal investigator: Tom Hanisco
Network principal investigator: Alexander Cede
Instrument type: Pandora
Instrument number: 21
Spectrometer number: 1
Processing software version used: BlickP v1.8.75
Instrument operation file used: Pandora21_OF_v4d20190904.txt
Instrument calibration file used: Pandora21s1_CF_v9d20211128.txt
Level 1 file used: Pandora21s1_Bremen_20230112_L1_smca1c9d20211128p1-8.txt
Full location name: Bremen University
Short location name: Bremen
Country of location: Germany
Location latitude [deg]: 53.0813
Location longitude [deg]: 8.8126
Location altitude [m]: 50
Local noon date: 20230112
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: 1712 1862
Nominal wavelengths inside fitting window [nm]: 492.0205 492.1410 492.2615 492.3820 492.5025 492.6230 492.7434 492.8638 492.9842 493.1046 493.2250 493.3454 493.4657 493.5861 493.7064 493.8267 493.9469 494.0672 494.1875 494.3077 494.4279 494.5481 494.6683 494.7884 494.9086 495.0287 495.1488 495.2689 495.3890 495.5091 495.6291 495.7491 495.8692 495.9892 496.1091 496.2291 496.3490 496.4690 496.5889 496.7088 496.8287 496.9485 497.0684 497.1882 497.3080 497.4278 497.5476 497.6673 497.7871 497.9068 498.0265 498.1462 498.2659 498.3855 498.5052 498.6248 498.7444 498.8640 498.9836 499.1031 499.2227 499.3422 499.4617 499.5812 499.7007 499.8201 499.9396 500.0590 500.1784 500.2978 500.4172 500.5365 500.6559 500.7752 500.8945 501.0138 501.1330 501.2523 501.3715 501.4908 501.6100 501.7291 501.8483 501.9675 502.0866 502.2057 502.3248 502.4439 502.5630 502.6820 502.8010 502.9200 503.0390 503.1580 503.2770 503.3959 503.5148 503.6338 503.7527 503.8715 503.9904 504.1092 504.2280 504.3469 504.4656 504.5844 504.7032 504.8219 504.9406 505.0593 505.1780 505.2967 505.4153 505.5340 505.6526 505.7712 505.8898 506.0083 506.1269 506.2454 506.3639 506.4824 506.6009 506.7193 506.8378 506.9562 507.0746 507.1930 507.3114 507.4297 507.5481 507.6664 507.7847 507.9030 508.0212 508.1395 508.2577 508.3759 508.4941 508.6123 508.7305 508.8486 508.9667 509.0849 509.2029 509.3210 509.4391 509.5571 509.6751 509.7931 509.9111
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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: Temperature at electronics board [°C], 999=no temperature signal
Column 96: Spectrometer control temperature [°C], 999=no temperature signal
Column 97: Auxiliary spectrometer temperature [°C], 999=no temperature signal
Column 98: Temperature in head sensor [°C], 999=no temperature signal
Column 99: Humidity in head sensor [%], -9=no humidity signal
Column 100: Pressure in head sensor [hPa], -9=no pressure signal
Columns 101-251: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting
Columns 252-402: 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 20230112T130234.6Z 8412.543457 460 1 14.90 2 77.20 201.30 113.10 317.70 0.00 1 0.00 1 0 15 3.033e-03 2.996e-03 1.474e-03 1.472e-03 2.772697e+03 8.021368e+01 2.174391e+02 -6.000000e+00 1.509808e+02 265.93 -2.00 20.00 -2.00 505.26 0.00e+00 7.355412e-04 3.820825e-05 3.885094e-05 -6.000000e+00 8.033045e-05 265.93 -2.00 20.00 -2.00 500.43 0.00e+00 3.436551e-01 2.854625e-02 2.160725e-02 -6.000000e+00 5.913461e-02 221.26 -2.00 3.88 -2.00 502.03 0.00e+00 4.396 0.002 489.00 513.00 1 6.9477e+00 2.1711e-03 6.5552e-03 -6.0000e+00 4.4980e-03 1.1695e-02 5.7041e-04 6.3324e-04 -6.0000e+00 1.1897e-03 9.7488e-04 1.0704e-03 1.2509e-04 3.7249e-05 -6.0000e+00 2.6562e-04 -8.5965e-03 -2.8752e-05 12 1 1 12 1 1 94.44 22.23 1.43 -0.00860 -0.00117 4 3 1 4 0 2943.761 25.28 20.00 22.23 17.55 31.2 1015.41 -866 -710 -254 -314 88 268 414 365 410 259 20 126 -126 -133 -168 -163 -190 57 -70 92 424 231 134 111 260 311 577 458 -10 -193 -241 -275 -26 113 93 299 101 92 -165 -426 -223 -168 -95 -82 149 134 200 -45 176 226 -156 -443 -698 -505 -60 -196 7 114 201 26 345 274 513 277 225 -74 97 89 -182 -131 -511 -148 -353 -245 -167 104 -401 -56 -185 -238 -344 -478 -147 -411 87 81 32 270 -13 -182 -55 264 60 348 181 288 251 72 -222 -363 -530 -708 -568 -375 29 -113 -124 -195 -31 -401 -447 110 -123 481 260 661 339 843 89 63 196 230 211 204 53 99 239 219 311 221 381 51 216 -8 -143 -411 -279 -292 171 318 218 318 165 -1 6 68 99 -172 -418 -790 -540 -827 -682 -251 -313 90 272 428 383 432 271 21 128 -130 -134 -169 -163 -192 58 -73 97 448 244 142 117 270 324 597 484 -10 -194 -242 -275 -26 114 96 312 105 94 -173 -441 -229 -173 -99 -84 155 140 209 -47 179 231 -155 -441 -681 -489 -59 -195 7 115 204 26 346 276 520 282 229 -75 99 89 -181 -128 -494 -142 -342 -240 -166 104 -398 -55 -176 -231 -334 -456 -142 -399 85 80 31 268 -13 -181 -55 258 59 351 183 286 244 71 -212 -348 -500 -669 -532 -364 28 -114 -124 -193 -30 -387 -436 109 -124 475 259 659 341 849 90 63 194 229 207 200 52 98 237 218 308 218 377 50 208 -7 -134 -386 -266 -286 166 312 216 316 165 -1 6 69 100 -170 -402 -767 -521
SQ 20230112T131234.5Z 8412.550399 463 1 4.73 2 77.77 203.60 114.09 320.09 0.00 1 0.00 1 0 15 3.781e-03 3.756e-03 2.697e-03 2.694e-03 3.079890e+03 1.476507e+02 2.586059e+02 -6.000000e+00 1.882650e+02 265.93 -2.00 20.00 -2.00 505.27 0.00e+00 8.841999e-04 6.999784e-05 4.708248e-05 -6.000000e+00 1.001610e-04 265.93 -2.00 20.00 -2.00 500.48 0.00e+00 4.188039e-01 5.220710e-02 2.025755e-02 -6.000000e+00 7.371948e-02 221.26 -2.00 3.88 -2.00 502.07 0.00e+00 4.587 0.002 489.00 513.00 1 6.5632e+00 3.9693e-03 6.8255e-03 -6.0000e+00 5.6077e-03 2.1276e-03 1.0417e-03 6.4962e-04 -6.0000e+00 1.4827e-03 1.3826e-03 3.4502e-04 2.2886e-04 4.4548e-05 -6.0000e+00 3.3123e-04 -1.0328e-02 5.5583e-06 12 1 1 12 1 1 999.00 22.22 1.40 -0.01033 -0.00794 1 4 1 4 0 2273.163 25.28 20.00 22.22 17.75 31.0 1016.31 -503 -653 -525 520 466 480 559 -7 -108 464 -219 -171 -339 -409 -71 -127 161 416 203 367 460 246 582 -207 170 107 128 479 -108 -80 -762 -434 -704 -289 -42 421 441 -255 238 -254 -154 -157 -51 103 40 -107 380 92 337 260 -420 -504 -536 -673 -144 -381 266 221 411 233 627 313 149 337 259 160 -140 -460 -187 -292 -385 -182 166 -148 -149 217 -547 -447 -399 -293 -398 -455 -164 -404 74 -4 -88 115 169 5 -212 22 -34 710 476 771 326 349 -393 -98 -860 -497 -779 -901 -124 377 133 233 -312 -102 -352 -373 -541 -125 357 576 770 291 574 21 9 478 428 -115 367 154 -270 -166 617 184 97 122 -415 -180 -21 -185 -201 -179 493 297 411 90 198 -216 481 71 308 52 -439 -537 -836 -484 -630 -514 517 471 490 576 -7 -112 479 -225 -175 -344 -410 -71 -126 161 420 208 380 478 256 603 -216 178 112 134 497 -111 -81 -760 -431 -704 -293 -44 439 459 -264 244 -259 -156 -160 -52 106 41 -111 394 95 345 263 -421 -496 -522 -654 -141 -380 269 225 419 237 637 318 153 344 265 162 -140 -459 -186 -287 -376 -177 161 -145 -148 216 -541 -437 -387 -282 -384 -440 -159 -394 72 -4 -87 114 166 5 -210 21 -34 714 479 767 322 340 -379 -93 -812 -468 -742 -876 -123 376 133 231 -306 -99 -345 -369 -540 -126 359 579 776 295 582 22 9 475 421 -113 363 152 -268 -165 609 182 96 120 -405 -174 -20 -178 -194 -175 485 295 410 90 199 -218 485 72 309 52 -431 -522 -811