File name: Pandora80s1_BeltsvilleMD_20240930_L2Fit_fwvt1c11d20240813p1-8.txt
File generation date: 20250313T075422.3Z
Data description: Level 2 spectral fitting results file
Data file version: fwvt1c11p1-8
Local principal investigator: John Sullivan
Network principal investigator: Alexander Cede
Instrument type: Pandora
Instrument number: 80
Spectrometer number: 1
Processing software version used: BlickP v1.8.74
Instrument operation file used: Pandora80_OF_v4d20220517.txt
Instrument calibration file used: Pandora80s1_CF_v11d20240813.txt
Level 1 file used: Pandora80s1_BeltsvilleMD_20240930_L1_smca1c11d20240813p1-8.txt
Full location name: Howard University-Beltsville Campus, Beltsville, MD
Short location name: BeltsvilleMD
Country of location: United States
Location latitude [deg]: 39.0567
Location longitude [deg]: -76.8758
Location altitude [m]: 70
Local noon date: 20240930
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, radiometric temperature correction, matrix method stray light correction (replaced by simple method)
Data caveats: None
First and last pixel inside fitting window: 1614 1763
Nominal wavelengths inside fitting window [nm]: 492.0907 492.2120 492.3333 492.4546 492.5758 492.6971 492.8183 492.9395 493.0607 493.1819 493.3030 493.4242 493.5453 493.6664 493.7875 493.9085 494.0296 494.1506 494.2716 494.3926 494.5136 494.6346 494.7556 494.8765 494.9974 495.1183 495.2392 495.3601 495.4809 495.6017 495.7226 495.8434 495.9641 496.0849 496.2057 496.3264 496.4471 496.5678 496.6885 496.8091 496.9298 497.0504 497.1710 497.2916 497.4122 497.5328 497.6533 497.7739 497.8944 498.0149 498.1353 498.2558 498.3762 498.4967 498.6171 498.7375 498.8579 498.9782 499.0986 499.2189 499.3392 499.4595 499.5798 499.7000 499.8203 499.9405 500.0607 500.1809 500.3010 500.4212 500.5413 500.6615 500.7816 500.9017 501.0217 501.1418 501.2618 501.3818 501.5018 501.6218 501.7418 501.8617 501.9817 502.1016 502.2215 502.3414 502.4612 502.5811 502.7009 502.8207 502.9405 503.0603 503.1801 503.2998 503.4195 503.5392 503.6589 503.7786 503.8983 504.0179 504.1375 504.2571 504.3767 504.4963 504.6159 504.7354 504.8549 504.9744 505.0939 505.2134 505.3328 505.4523 505.5717 505.6911 505.8105 505.9299 506.0492 506.1685 506.2879 506.4072 506.5264 506.6457 506.7649 506.8842 507.0034 507.1226 507.2418 507.3609 507.4801 507.5992 507.7183 507.8374 507.9565 508.0755 508.1946 508.3136 508.4326 508.5516 508.6705 508.7895 508.9084 509.0274 509.1463 509.2651 509.3840 509.5029 509.6217 509.7405 509.8593 509.9781
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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 20240930T151613.3Z 9039.636265 234 1 51.37 2 48.21 145.13 31.97 171.13 0.00 1 0.00 1 0 22 1.039e-02 9.582e-03 1.103e-03 1.099e-03 5.713160e+03 7.008747e+01 3.653394e+02 -6.000000e+00 5.625999e+02 286.94 -2.00 20.00 -2.00 505.29 0.00e+00 5.248202e-04 2.994570e-05 3.901862e-05 -6.000000e+00 2.898668e-04 286.94 -2.00 20.00 -2.00 500.36 0.00e+00 2.652624e-01 2.132304e-02 4.341194e-02 -6.000000e+00 2.006909e-01 227.63 -2.00 3.47 -2.00 501.97 0.00e+00 1.498 0.000 489.00 513.00 1 7.7355e+00 1.6299e-03 4.2809e-03 -6.0000e+00 1.5383e-02 8.8104e-03 4.2351e-04 9.8045e-04 -6.0000e+00 4.0211e-03 6.6819e-04 1.0122e-03 9.1182e-05 3.8214e-05 -6.0000e+00 8.9713e-04 7.0187e-04 1.6942e-05 12 8 8 10 0 0 99.92 23.86 1.31 0.00070 0.00772 27 4 1 4 0 1902.200 26.32 20.00 23.86 28.35 6.2 1000.57 -1044 -738 -347 54 11 475 366 478 373 201 -110 -206 -126 -683 -186 -340 69 -150 15 154 259 117 522 363 378 493 465 -100 -117 -764 -640 -591 37 47 226 362 92 -155 -147 -156 88 200 370 726 730 693 609 674 266 -438 -488 -1046 -842 -594 47 -86 241 44 260 178 260 374 435 246 394 343 -182 -150 -412 -498 -236 -347 -116 -251 -2 -383 -290 -522 -864 -414 -481 -386 -508 -1028 -195 -133 -130 -374 114 -91 76 429 355 243 150 268 -139 -553 -1160 -801 -1025 -530 -537 -338 -84 -340 -577 -591 -450 -575 -260 -248 11376 240 310 639 139 199 65 150 40 -60 -55 -44 193 -45 426 113 316 -265 -74 -378 -603 -480 -499 -371 -203 45 205 319 426 182 234 132 156 -141 -393 -559 -597 -563 -1015 -732 -357 57 11 496 390 512 396 210 -114 -210 -133 -716 -194 -358 70 -156 16 165 277 126 557 389 408 530 497 -106 -119 -757 -629 -586 37 50 245 389 98 -163 -153 -161 91 209 389 771 781 740 644 701 272 -437 -471 -994 -839 -570 46 -88 250 46 268 183 269 389 452 255 403 344 -181 -147 -400 -476 -225 -334 -113 -248 -2 -375 -277 -492 -810 -386 -454 -367 -486 -1001 -191 -131 -128 -367 112 -90 75 431 360 244 147 257 -129 -503 -1037 -706 -916 -485 -515 -338 -85 -342 -572 -576 -437 -568 -260 -251 10351 246 302 624 137 197 63 151 40 -59 -54 -43 190 -44 418 111 309 -261 -72 -357 -566 -447 -468 -357 -200 45 196 307 411 177 229 130 153 -136 -369 -540 -572 -543
SQ 20240930T153252.8Z 9039.647833 246 1 51.56 2 46.48 150.28 31.76 178.84 0.00 1 0.00 1 0 15 3.722e-03 3.679e-03 1.060e-03 1.055e-03 4.946812e+03 6.617486e+01 3.451326e+02 -6.000000e+00 2.015949e+02 286.93 -2.00 20.00 -2.00 505.26 0.00e+00 4.005214e-04 2.870238e-05 2.829516e-05 -6.000000e+00 1.038677e-04 286.93 -2.00 20.00 -2.00 500.34 0.00e+00 1.185483e-01 2.051150e-02 3.129337e-02 -6.000000e+00 7.192352e-02 227.63 -2.00 3.47 -2.00 501.94 0.00e+00 1.450 0.000 489.00 513.00 1 7.6103e+00 1.5671e-03 3.4422e-03 -6.0000e+00 5.5127e-03 1.4350e-02 4.1009e-04 7.7041e-04 -6.0000e+00 1.4413e-03 7.7335e-04 1.2768e-03 8.7758e-05 3.7959e-05 -6.0000e+00 3.2152e-04 2.3151e-03 -3.3083e-06 10 0 0 10 0 0 99.98 23.92 1.36 0.00232 0.01117 43 6 1 4 0 1199.040 26.41 20.00 23.92 29.05 6.1 1003.06 -1087 -685 -426 -94 226 179 568 302 324 136 -154 -211 -348 -507 -476 -351 -157 40 136 144 192 98 319 308 550 492 269 -78 -275 -540 -601 -423 -67 252 341 372 -26 -122 -282 -24 141 330 292 661 704 410 566 436 0 -281 -780 -984 -430 -659 -254 -41 186 120 73 16 406 267 394 271 210 314 54 -86 -511 -182 -379 -39 -7 -72 -135 -187 -31 -324 -557 -449 -419 -432 -237 -140 -130 242 -131 -44 7 76 358 593 549 471 433 266 46 -330 -718 -760 -610 -280 -316 26 -6 14 -357 -153 -366 -311 -214 253 475 444 520 780 555 321 214 47 72 113 -27 112 263 279 376 174 172 -138 21 -225 -559 -454 -289 -72 -205 288 201 114 277 98 289 246 -102 -167 -308 -683 -512 -590 -1070 -687 -443 -96 234 189 608 326 347 143 -161 -218 -352 -507 -475 -352 -160 42 146 156 207 106 343 333 596 532 290 -83 -282 -537 -594 -422 -68 267 371 403 -28 -129 -295 -25 146 345 309 706 757 441 601 457 0 -281 -758 -938 -405 -636 -253 -42 194 125 76 16 420 279 411 282 216 317 54 -85 -498 -174 -364 -38 -7 -71 -135 -184 -29 -306 -523 -421 -397 -413 -228 -136 -128 238 -130 -43 7 75 356 599 560 475 427 257 43 -303 -646 -677 -549 -258 -305 26 -6 14 -355 -150 -357 -308 -215 243 460 431 506 764 549 318 208 45 72 111 -26 111 261 276 371 171 170 -136 20 -213 -526 -424 -272 -70 -191 271 192 110 267 95 282 241 -99 -160 -288 -626 -465 -540