File name: Pandora249s1_ChicagoIL_20231121_L2Fit_fwvt1c2d20230104p1-8.txt
File generation date: 20231122T061932.4Z
Data description: Level 2 spectral fitting results file
Data file version: fwvt1c2p1-8
Local principal investigator: John Randazzo
Network principal investigator: Alexander Cede
Instrument type: Pandora
Instrument number: 249
Spectrometer number: 1
Processing software version used: BlickP v1.8.49
Instrument operation file used: Pandora249_OF_v2d20221026.txt
Instrument calibration file used: Pandora249s1_CF_v2d20230104.txt
Level 1 file used: Pandora249s1_ChicagoIL_20231121_L1_smca1c2d20230104p1-8.txt
Full location name: North Park University Chicago
Short location name: ChicagoIL
Country of location: United States
Location latitude [deg]: 41.9748
Location longitude [deg]: -87.7120
Location altitude [m]: 200
Local noon date: 20231121
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: OoB session based on session 1
First and last pixel inside fitting window: 1615 1765
Nominal wavelengths inside fitting window [nm]: 492.0095 492.1302 492.2510 492.3717 492.4924 492.6131 492.7337 492.8544 492.9750 493.0956 493.2162 493.3368 493.4574 493.5779 493.6985 493.8190 493.9395 494.0600 494.1805 494.3009 494.4213 494.5418 494.6622 494.7825 494.9029 495.0233 495.1436 495.2639 495.3842 495.5045 495.6248 495.7450 495.8652 495.9855 496.1057 496.2258 496.3460 496.4662 496.5863 496.7064 496.8265 496.9466 497.0667 497.1867 497.3067 497.4268 497.5468 497.6667 497.7867 497.9066 498.0266 498.1465 498.2664 498.3863 498.5061 498.6260 498.7458 498.8656 498.9854 499.1052 499.2250 499.3447 499.4644 499.5841 499.7038 499.8235 499.9432 500.0628 500.1824 500.3021 500.4216 500.5412 500.6608 500.7803 500.8998 501.0194 501.1388 501.2583 501.3778 501.4972 501.6166 501.7361 501.8554 501.9748 502.0942 502.2135 502.3328 502.4521 502.5714 502.6907 502.8099 502.9292 503.0484 503.1676 503.2868 503.4060 503.5251 503.6442 503.7634 503.8825 504.0015 504.1206 504.2397 504.3587 504.4777 504.5967 504.7157 504.8347 504.9536 505.0725 505.1914 505.3103 505.4292 505.5481 505.6669 505.7857 505.9046 506.0233 506.1421 506.2609 506.3796 506.4983 506.6171 506.7357 506.8544 506.9731 507.0917 507.2103 507.3289 507.4475 507.5661 507.6846 507.8032 507.9217 508.0402 508.1587 508.2772 508.3956 508.5140 508.6325 508.7508 508.8692 508.9876 509.1059 509.2243 509.3426 509.4609 509.5792 509.6974 509.8157 509.9339
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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 20231121T192707.9Z 8725.810508 270 1 54.79 2 67.01 208.23 92.46 99.45 0.00 1 0.00 1 0 22 2.329e-03 2.299e-03 6.461e-04 6.450e-04 2.502340e+03 3.932498e+01 1.888623e+02 -6.000000e+00 1.310223e+02 277.81 -2.00 20.00 -2.00 505.28 0.00e+00 7.080320e-04 1.779524e-05 3.962996e-05 -6.000000e+00 6.537595e-05 277.81 -2.00 20.00 -2.00 500.46 0.00e+00 2.300349e-01 1.284340e-02 1.863320e-02 -6.000000e+00 4.661256e-02 222.84 -2.00 3.53 -2.00 502.06 0.00e+00 2.540 0.000 489.00 513.00 1 7.3121e+00 9.8632e-04 4.0030e-03 -6.0000e+00 3.5789e-03 9.6221e-03 2.5011e-04 4.8786e-04 -6.0000e+00 9.1467e-04 8.9115e-04 2.4433e-03 7.0386e-05 2.7979e-05 -6.0000e+00 2.6302e-04 -1.1226e-02 1.8975e-04 10 0 0 10 0 0 99.99 24.47 1.25 -0.01123 0.00572 62 6 1 4 0 883.650 32.00 19.88 24.47 11.04 9.1 875.87 -548 -440 -186 -28 68 322 405 129 301 -32 143 -105 -119 -142 -126 -28 -182 -5 316 15 -9 167 190 159 262 40 4 89 76 -192 -231 -254 -65 -32 331 280 0 39 67 -67 -129 -33 275 295 167 308 174 104 -12 -27 -375 -372 -552 -445 -252 -267 13 1 132 -5 63 91 337 172 169 322 -2 -119 102 -237 -100 -200 -156 -8 46 38 -227 -34 -392 -301 -387 -122 -472 -43 -19 -5 -86 -34 12 -186 -86 -85 294 344 371 153 291 78 -280 -359 -544 -658 -342 -103 85 -89 -64 63 -305 -70 -52 -154 -112 236 72 182 481 322 254 261 245 172 -59 88 287 102 184 353 14 152 210 88 -54 66 -150 125 -35 245 -24 263 103 101 130 142 -153 136 -40 -278 -478 -490 -496 -528 -428 -185 -29 69 333 426 137 320 -34 149 -108 -121 -142 -125 -28 -184 -5 332 15 -9 174 197 166 274 42 4 91 79 -195 -231 -253 -66 -33 339 291 0 40 68 -70 -134 -34 280 304 174 320 181 106 -12 -28 -375 -363 -532 -430 -247 -269 13 1 134 -5 64 92 342 174 171 321 -2 -119 101 -233 -97 -194 -153 -8 46 38 -223 -33 -376 -288 -370 -117 -458 -42 -18 -5 -85 -34 12 -187 -84 -84 292 343 368 150 289 76 -267 -336 -507 -620 -329 -102 83 -88 -64 62 -296 -67 -51 -153 -112 239 73 186 494 331 261 264 245 169 -58 86 281 100 181 346 14 148 203 85 -51 64 -145 122 -34 238 -24 262 104 103 128 141 -151 134 -40 -274 -464 -471 -477
SQ 20231121T200153.7Z 8725.834649 289 1 54.35 2 70.46 216.17 86.24 105.00 0.00 1 0.00 1 0 15 3.965e-03 3.949e-03 1.297e-03 1.293e-03 2.592964e+03 7.944021e+01 2.163602e+02 -6.000000e+00 2.230277e+02 277.81 -2.00 20.00 -2.00 505.25 0.00e+00 8.924606e-04 3.554097e-05 4.924566e-05 -6.000000e+00 1.112856e-04 277.81 -2.00 20.00 -2.00 500.34 0.00e+00 3.286087e-01 2.587404e-02 1.531853e-02 -6.000000e+00 7.934995e-02 222.84 -2.00 3.53 -2.00 501.95 0.00e+00 2.956 0.000 489.00 513.00 1 8.4435e+00 1.9882e-03 4.5028e-03 -6.0000e+00 6.0924e-03 1.4899e-02 5.0443e-04 4.6444e-04 -6.0000e+00 1.5572e-03 2.6854e-04 3.0196e-03 1.4137e-04 3.4468e-05 -6.0000e+00 4.4772e-04 -1.0484e-02 1.8033e-04 11 8 0 10 0 0 99.96 24.50 1.20 -0.01048 0.01046 22 2 1 4 0 2470.270 32.00 20.02 24.50 11.27 9.1 877.17 -619 -281 6 -131 168 522 487 -232 236 -438 -62 -219 81 113 127 390 -241 -178 535 278 -6 120 276 197 632 -69 -54 -173 367 -467 -266 -174 0 -486 295 430 11 -133 -103 -241 -342 -27 658 817 6 207 -122 104 -609 140 -710 1 -690 -244 -552 -352 306 -209 477 -363 52 -32 893 353 -414 690 471 -614 46 -243 -343 -654 -396 281 0 -160 -255 306 -454 -177 -303 233 -672 -70 233 460 -364 4 438 -621 -173 -279 818 -103 775 -198 997 242 -322 -297 -696 -752 -562 -421 55 -136 -371 606 -396 195 -179 -297 -441 337 -34 -29 852 -59 429 420 313 119 -211 38 112 8 100 218 -445 324 232 -54 -74 802 46 63 254 605 -188 556 309 213 150 26 -653 109 141 144 -796 -589 -647 -611 -279 6 -130 171 542 514 -249 252 -467 -65 -227 82 113 127 389 -244 -184 561 296 -6 129 297 213 681 -75 -58 -184 382 -477 -266 -173 0 -508 313 462 12 -142 -109 -253 -358 -29 692 867 6 212 -125 105 -641 142 -712 1 -667 -236 -545 -356 314 -219 498 -362 55 -32 933 351 -413 708 478 -621 45 -239 -334 -639 -388 277 0 -159 -251 295 -436 -169 -289 223 -652 -68 229 453 -363 4 435 -625 -174 -270 792 -101 750 -191 979 234 -306 -277 -647 -706 -539 -416 53 -132 -359 605 -376 194 -171 -288 -435 333 -34 -29 852 -60 429 416 305 115 -203 37 108 8 96 210 -429 309 220 -51 -73 767 44 61 237 572 -181 541 303 211 149 26 -657 108 138 138 -758 -554 -610