File name: Pandora166s1_PhiladelphiaPA_20221005_L2Fit_fwvt1c5d20220925p1-8.txt
File generation date: 20251125T105333.2Z
Data description: Level 2 spectral fitting results file
Data file version: fwvt1c5p1-8
Local principal investigator: Lukas Valin
Network principal investigator: Alexander Cede
Instrument type: Pandora
Instrument number: 166
Spectrometer number: 1
Processing software version used: BlickP v1.8.75
Instrument operation file used: Pandora166_OF_v3d20210217.txt
Instrument calibration file used: Pandora166s1_CF_v5d20220925.txt
Level 1 file used: Pandora166s1_PhiladelphiaPA_20221005_L1_smca1c5d20220925p1-8.txt
Full location name: Philadelphia, Pennsylvania; Philadelphia-Camden-Wilmington; North East Waste (NE
Short location name: PhiladelphiaPA
Country of location: United States
Location latitude [deg]: 39.9919
Location longitude [deg]: -75.0811
Location altitude [m]: 6
Local noon date: 20221005
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: HCHO modification of session 4 "Field cal based on session3"
First and last pixel inside fitting window: 1645 1794
Nominal wavelengths inside fitting window [nm]: 492.1120 492.2329 492.3538 492.4746 492.5954 492.7162 492.8370 492.9578 493.0786 493.1993 493.3201 493.4408 493.5615 493.6821 493.8028 493.9234 494.0441 494.1647 494.2853 494.4058 494.5264 494.6469 494.7674 494.8880 495.0084 495.1289 495.2494 495.3698 495.4902 495.6106 495.7310 495.8514 495.9717 496.0921 496.2124 496.3327 496.4530 496.5732 496.6935 496.8137 496.9339 497.0541 497.1743 497.2945 497.4146 497.5348 497.6549 497.7750 497.8951 498.0151 498.1352 498.2552 498.3752 498.4952 498.6152 498.7351 498.8551 498.9750 499.0949 499.2148 499.3347 499.4545 499.5744 499.6942 499.8140 499.9338 500.0536 500.1733 500.2930 500.4128 500.5325 500.6521 500.7718 500.8915 501.0111 501.1307 501.2503 501.3699 501.4895 501.6090 501.7285 501.8480 501.9675 502.0870 502.2065 502.3259 502.4454 502.5648 502.6842 502.8035 502.9229 503.0422 503.1615 503.2809 503.4001 503.5194 503.6387 503.7579 503.8771 503.9963 504.1155 504.2347 504.3538 504.4729 504.5921 504.7112 504.8302 504.9493 505.0683 505.1874 505.3064 505.4254 505.5444 505.6633 505.7823 505.9012 506.0201 506.1390 506.2578 506.3767 506.4955 506.6143 506.7331 506.8519 506.9707 507.0894 507.2082 507.3269 507.4456 507.5643 507.6829 507.8016 507.9202 508.0388 508.1574 508.2760 508.3945 508.5131 508.6316 508.7501 508.8686 508.9870 509.1055 509.2239 509.3423 509.4607 509.5791 509.6975 509.8158 509.9341
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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 101-250: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting
Columns 251-400: 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 20221005T173827.0Z 8313.735035 314 1 22.79 2 46.36 197.25 125.44 88.14 0.00 1 0.00 1 0 15 2.670e-03 2.670e-03 1.284e-03 1.281e-03 2.807333e+03 7.786125e+01 1.930670e+02 -6.000000e+00 1.485005e+02 286.20 -2.00 20.00 -2.00 505.25 0.00e+00 4.133561e-04 3.528414e-05 2.578863e-05 -6.000000e+00 7.516254e-05 286.20 -2.00 20.00 -2.00 500.39 0.00e+00 3.601392e-02 2.519008e-02 2.074774e-02 -6.000000e+00 5.248306e-02 227.14 -2.00 3.49 -2.00 501.99 0.00e+00 1.447 0.000 489.00 513.00 1 6.8885e+00 1.9309e-03 2.7767e-03 -6.0000e+00 4.0248e-03 1.6804e-02 5.0209e-04 4.9136e-04 -6.0000e+00 1.0490e-03 1.6063e-03 4.6699e-04 1.2155e-04 2.2948e-05 -6.0000e+00 2.6043e-04 1.0983e-03 3.6850e-05 12 1 1 12 1 1 98.28 20.25 2.00 0.00110 0.00434 7 4 1 4 0 2826.980 26.73 19.99 20.25 24.33 16.8 982.41 -337 -542 -337 31 251 542 101 290 212 203 28 17 -402 -261 -246 -450 99 -76 111 106 -30 28 287 342 344 418 229 -158 -254 -95 -422 -475 57 486 -44 -4 171 227 -100 66 -59 -166 46 231 368 267 413 150 -37 -354 -420 -654 -706 -228 -312 -111 -23 -155 117 350 446 479 149 28 281 217 302 -17 -142 -392 -406 -5 26 108 -63 -327 -108 -279 -141 -341 -206 -286 49 -243 -117 -77 -88 -55 -79 -142 537 532 58 12 136 261 13 -174 -303 -348 -507 -173 62 -86 36 -275 -198 -387 38 -195 -293 -46 84 208 370 371 585 271 232 251 397 234 499 178 193 -75 22 324 17 -66 -276 -4 -178 -157 -334 42 -110 -146 -100 122 48 83 178 203 -38 -27 -199 -283 -98 -182 -336 -532 -341 32 267 562 107 307 223 210 28 18 -417 -268 -251 -465 104 -79 117 112 -32 30 304 364 367 445 242 -165 -256 -97 -428 -488 57 506 -47 -5 179 235 -102 67 -60 -172 48 244 389 282 431 155 -38 -349 -418 -641 -689 -225 -306 -111 -24 -159 120 356 455 491 154 29 285 216 295 -16 -141 -387 -400 -5 25 105 -62 -316 -107 -271 -136 -330 -200 -280 49 -233 -114 -75 -86 -54 -77 -139 528 531 59 12 135 254 13 -169 -287 -325 -477 -166 59 -85 36 -276 -196 -377 37 -190 -291 -46 86 205 364 368 580 269 228 253 391 228 484 175 190 -74 22 317 17 -64 -267 -4 -166 -146 -310 39 -106 -144 -96 118 46 80 174 199 -37 -26 -196 -272 -92 -172
SQ 20221005T174637.8Z 8313.740715 320 1 50.35 2 46.86 199.97 123.93 89.40 0.00 1 0.00 1 0 15 2.810e-03 2.794e-03 1.490e-03 1.482e-03 3.704871e+03 9.285240e+01 2.586663e+02 -6.000000e+00 1.562984e+02 286.20 -2.00 20.00 -2.00 505.20 0.00e+00 4.318644e-04 4.079868e-05 2.949962e-05 -6.000000e+00 7.910976e-05 286.20 -2.00 20.00 -2.00 500.23 0.00e+00 3.956289e-02 2.950933e-02 2.479913e-02 -6.000000e+00 5.524216e-02 227.14 -2.00 3.49 -2.00 501.83 0.00e+00 1.460 0.000 489.00 513.00 1 7.6497e+00 2.2655e-03 3.0460e-03 -6.0000e+00 4.2364e-03 1.6910e-02 5.8750e-04 6.0241e-04 -6.0000e+00 1.1042e-03 7.4719e-04 7.7214e-04 1.3986e-04 3.1192e-05 -6.0000e+00 2.7411e-04 1.3383e-03 3.1421e-05 10 0 0 10 0 0 99.79 20.23 1.96 0.00134 0.00669 14 3 1 4 0 3595.800 26.73 20.00 20.23 25.00 16.8 987.43 -222 -463 -128 20 90 655 219 299 552 288 -112 -87 -545 -57 -206 -68 113 248 134 -16 -33 16 240 13 384 544 49 -348 -331 -172 -473 -352 -97 309 -291 44 184 40 226 -99 -209 -129 280 159 343 72 257 -46 197 -243 -462 -448 -898 -80 -215 -144 -197 -209 -15 -100 395 282 102 -85 205 364 525 -86 -262 -79 -301 -16 386 31 -86 -103 -84 -175 -529 -186 -107 -169 -211 -516 -136 -38 -131 4 -398 235 239 372 91 21 84 394 -81 -20 -329 -556 -562 -205 82 61 -71 -223 -41 -483 105 -262 -313 -185 205 476 289 453 450 560 316 56 262 31 -107 295 205 80 -54 470 177 109 -392 -254 -18 -303 -374 152 -255 -114 84 253 187 -247 139 259 188 217 -90 -129 55 -442 -222 -447 -127 20 95 697 238 325 593 306 -117 -90 -557 -58 -208 -69 116 263 145 -18 -36 17 262 14 420 593 54 -372 -343 -173 -474 -356 -101 330 -319 48 199 43 238 -104 -220 -137 299 172 372 78 276 -49 204 -246 -453 -431 -865 -78 -215 -148 -207 -221 -15 -104 414 297 108 -89 213 371 527 -86 -258 -77 -292 -16 379 31 -86 -102 -81 -167 -504 -177 -102 -163 -205 -508 -135 -38 -131 4 -398 235 241 357 89 21 85 389 -78 -19 -304 -508 -517 -193 79 58 -68 -215 -39 -453 98 -247 -299 -180 200 466 285 449 447 555 310 54 249 30 -100 278 193 76 -51 441 166 102 -365 -231 -16 -270 -335 138 -238 -108 80 244 181 -242 136 254 183 210 -85 -119 50 -405