File name: Pandora207s1_ArlingtonTX_20230301_L2Fit_fwvt1c4d20221007p1-8.txt
File generation date: 20240213T001226.1Z
Data description: Level 2 spectral fitting results file
Data file version: fwvt1c4p1-8
Local principal investigator: Yang Li
Network principal investigator: Alexander Cede
Instrument type: Pandora
Instrument number: 207
Spectrometer number: 1
Processing software version used: BlickP v1.8.59
Instrument operation file used: Pandora207_OF_v5d20210722.txt
Instrument calibration file used: Pandora207s1_CF_v4d20221007.txt
Level 1 file used: Pandora207s1_ArlingtonTX_20230301_L1_smca1c4d20221007p1-8.txt
Full location name: University Of Texas, Arlington Science Hall
Short location name: ArlingtonTX
Country of location: United States
Location latitude [deg]: 32.7316
Location longitude [deg]: -97.1142
Location altitude [m]: 15
Local noon date: 20230301
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: 1614 1762
Nominal wavelengths inside fitting window [nm]: 492.0842 492.2059 492.3276 492.4493 492.5710 492.6927 492.8144 492.9360 493.0576 493.1792 493.3008 493.4224 493.5439 493.6655 493.7870 493.9085 494.0300 494.1514 494.2729 494.3943 494.5157 494.6371 494.7585 494.8799 495.0012 495.1226 495.2439 495.3652 495.4865 495.6077 495.7290 495.8502 495.9714 496.0926 496.2138 496.3350 496.4561 496.5773 496.6984 496.8195 496.9405 497.0616 497.1827 497.3037 497.4247 497.5457 497.6667 497.7876 497.9086 498.0295 498.1504 498.2713 498.3922 498.5131 498.6339 498.7547 498.8755 498.9963 499.1171 499.2379 499.3586 499.4793 499.6000 499.7207 499.8414 499.9621 500.0827 500.2033 500.3239 500.4445 500.5651 500.6856 500.8062 500.9267 501.0472 501.1677 501.2881 501.4086 501.5290 501.6494 501.7698 501.8902 502.0106 502.1309 502.2512 502.3716 502.4919 502.6121 502.7324 502.8526 502.9729 503.0931 503.2133 503.3334 503.4536 503.5737 503.6938 503.8139 503.9340 504.0541 504.1742 504.2942 504.4142 504.5342 504.6542 504.7741 504.8941 505.0140 505.1339 505.2538 505.3737 505.4936 505.6134 505.7332 505.8530 505.9728 506.0926 506.2124 506.3321 506.4518 506.5715 506.6912 506.8109 506.9305 507.0502 507.1698 507.2894 507.4090 507.5285 507.6481 507.7676 507.8871 508.0066 508.1261 508.2456 508.3650 508.4844 508.6038 508.7232 508.8426 508.9620 509.0813 509.2006 509.3199 509.4392 509.5585 509.6778 509.7970 509.9162
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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 102-250: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting
Columns 251-399: 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 20230301T174601.8Z 8460.740298 225 1 20.16 2 42.28 159.58 103.87 44.30 0.00 1 0.00 1 0 22 3.194e-03 3.179e-03 2.836e-04 2.831e-04 2.562106e+03 1.687531e+01 1.806642e+02 -6.000000e+00 1.761870e+02 282.88 -2.00 20.00 -2.00 505.25 0.00e+00 4.200465e-04 7.783243e-06 2.457597e-05 -6.000000e+00 8.958237e-05 282.88 -2.00 20.00 -2.00 500.41 0.00e+00 -1.080233e-01 5.585075e-03 1.931383e-02 -6.000000e+00 6.330634e-02 226.12 -2.00 3.32 -2.00 502.01 0.00e+00 1.350 0.000 489.00 513.00 1 4.1289e+00 4.2761e-04 2.5956e-03 -6.0000e+00 4.8458e-03 1.3922e-03 1.1141e-04 4.6148e-04 -6.0000e+00 1.2694e-03 2.6002e-02 1.1208e-03 2.6964e-05 2.3019e-05 -6.0000e+00 3.1325e-04 9.0127e-04 -1.5394e-04 12 1 1 12 1 1 99.70 21.28 0.53 0.00090 0.00868 106 63 1 2 0 183.300 15.00 21.28 27.43 21.88 21.69 13.4 1044.02 -540 -504 -246 -151 102 393 367 242 134 143 84 -184 -419 -538 -529 -414 -161 42 121 182 404 254 263 469 463 602 584 174 -331 -319 -341 -341 -29 210 142 182 174 -57 -240 -199 -111 -1 101 208 334 380 425 284 34 -341 -543 -671 -680 -350 -196 -71 151 190 171 225 325 328 362 357 264 248 194 -38 -336 -376 -229 -176 -10 55 -131 -156 -119 -273 -469 -446 -385 -490 -312 -113 -84 -124 -192 -215 -227 -140 163 336 281 340 488 310 44 -366 -675 -730 -536 -266 32 -116 35 78 -123 -219 -89 -129 -2 190 207 316 479 609 519 320 293 189 36 102 173 76 301 258 200 349 456 17 42 20 -311 -326 -145 -190 -157 28 58 119 273 223 273 207 19 -300 -520 -693 -692 -522 -494 -249 -154 106 404 385 256 141 148 86 -186 -431 -547 -536 -422 -166 43 127 193 429 270 280 498 480 623 618 182 -337 -325 -344 -346 -30 218 147 189 179 -59 -249 -205 -114 -1 103 214 346 393 435 296 34 -340 -541 -657 -663 -346 -194 -72 155 191 172 225 326 331 366 359 263 251 193 -38 -328 -362 -220 -170 -10 54 -130 -153 -115 -260 -458 -435 -368 -473 -303 -111 -84 -123 -192 -214 -227 -137 161 336 283 340 480 308 43 -347 -648 -696 -501 -255 31 -115 35 78 -121 -212 -87 -127 -2 192 205 315 479 612 523 320 290 189 35 100 170 75 296 255 197 343 446 17 40 19 -292 -314 -136 -184 -155 27 57 118 270 222 273 206 19 -293 -511 -669 -665
SQ 20230301T175311.3Z 8460.745270 229 1 1.58 2 41.78 162.13 102.85 45.47 0.00 1 0.00 1 0 22 3.707e-03 3.695e-03 2.013e-03 2.010e-03 2.902914e+03 1.206242e+02 2.037160e+02 -6.000000e+00 2.044881e+02 282.88 -2.00 20.00 -2.00 505.24 0.00e+00 3.510423e-04 5.514817e-05 2.262206e-05 -6.000000e+00 1.039754e-04 282.88 -2.00 20.00 -2.00 500.41 0.00e+00 -1.690583e-01 3.967971e-02 2.163489e-02 -6.000000e+00 7.348059e-02 226.12 -2.00 3.32 -2.00 502.00 0.00e+00 1.340 0.000 489.00 513.00 1 4.7993e+00 3.0369e-03 2.7022e-03 -6.0000e+00 5.6246e-03 4.5747e-03 7.9175e-04 5.1647e-04 -6.0000e+00 1.4736e-03 1.3385e-02 1.3835e-03 1.9126e-04 2.5806e-05 -6.0000e+00 3.6357e-04 1.3766e-03 -1.6165e-04 12 1 1 12 1 1 999.00 21.28 0.51 0.00138 0.01097 2 44 1 2 0 348.680 15.00 21.28 28.26 21.88 21.69 13.7 1052.94 -415 -532 -650 -353 441 355 379 518 133 106 23 -198 -486 -643 -502 -705 -335 89 126 244 34 124 505 644 412 312 563 296 -11 -320 -354 -425 434 129 -58 208 357 43 -457 -282 2 97 61 361 499 525 452 156 -264 -162 -621 -604 -660 -306 -168 40 -58 222 205 235 243 564 381 496 204 161 76 -47 -444 -282 -313 -356 -265 91 99 -68 22 -649 -328 -175 -495 -175 -398 266 -376 -217 -7 -296 -536 -282 481 277 348 523 486 -114 277 -181 -636 -772 -607 -324 165 -192 293 127 -90 -374 1 67 -316 139 373 378 769 452 330 258 -8 428 50 321 123 92 -252 269 258 758 656 -156 -60 -305 -426 -212 -338 60 -54 -297 56 7 306 339 624 -61 -95 -492 -600 -791 -283 -408 -520 -658 -362 449 370 393 540 139 111 24 -203 -491 -656 -510 -722 -340 92 131 255 36 130 529 676 436 329 589 306 -12 -320 -358 -424 440 133 -60 215 373 45 -469 -288 3 100 64 378 514 540 471 160 -267 -162 -620 -591 -644 -302 -168 40 -59 227 209 239 248 577 391 507 207 161 77 -47 -437 -274 -304 -348 -263 91 99 -67 21 -625 -320 -171 -477 -170 -390 262 -369 -214 -7 -292 -531 -280 480 275 348 518 484 -112 270 -173 -609 -735 -571 -312 161 -190 292 126 -88 -369 1 65 -314 139 369 377 767 454 334 259 -8 424 49 312 120 90 -248 263 252 735 636 -152 -58 -293 -405 -201 -324 58 -53 -288 55 7 303 337 620 -61 -94 -480 -584 -758 -269