File name: Pandora57s1_BoulderCO_20200320_L2Fit_fwvt1c2d20180430p1-8.txt File generation date: 20251208T231035.0Z Data description: Level 2 spectral fitting results file Data file version: fwvt1c2p1-8 Local principal investigator: Nader Abuhassan Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 57 Spectrometer number: 1 Processing software version used: BlickP v1.8.75 Instrument operation file used: Pandora57_OF_v3d20180318.txt Instrument calibration file used: Pandora57s1_CF_v2d20180430.txt Level 1 file used: Pandora57s1_BoulderCO_20200320_L1_smca1c2d20180430p1-8.txt Full location name: Boulder, CO Short location name: BoulderCO Country of location: USA Location latitude [deg]: 39.9900 Location longitude [deg]: -105.2600 Location altitude [m]: 1660 Local noon date: 20200320 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: None First and last pixel inside fitting window: 1686 1836 Nominal wavelengths inside fitting window [nm]: 492.0461 492.1667 492.2873 492.4080 492.5286 492.6491 492.7697 492.8903 493.0108 493.1313 493.2518 493.3723 493.4928 493.6132 493.7337 493.8541 493.9745 494.0949 494.2152 494.3356 494.4559 494.5762 494.6965 494.8168 494.9371 495.0573 495.1776 495.2978 495.4180 495.5382 495.6583 495.7785 495.8986 496.0187 496.1388 496.2589 496.3790 496.4990 496.6190 496.7391 496.8591 496.9790 497.0990 497.2189 497.3389 497.4588 497.5787 497.6986 497.8184 497.9383 498.0581 498.1779 498.2977 498.4175 498.5372 498.6570 498.7767 498.8964 499.0161 499.1358 499.2554 499.3751 499.4947 499.6143 499.7339 499.8535 499.9730 500.0926 500.2121 500.3316 500.4511 500.5706 500.6900 500.8095 500.9289 501.0483 501.1677 501.2871 501.4064 501.5258 501.6451 501.7644 501.8837 502.0029 502.1222 502.2414 502.3606 502.4798 502.5990 502.7182 502.8373 502.9565 503.0756 503.1947 503.3138 503.4328 503.5519 503.6709 503.7899 503.9089 504.0279 504.1468 504.2658 504.3847 504.5036 504.6225 504.7414 504.8603 504.9791 505.0979 505.2167 505.3355 505.4543 505.5730 505.6918 505.8105 505.9292 506.0479 506.1666 506.2852 506.4039 506.5225 506.6411 506.7597 506.8782 506.9968 507.1153 507.2338 507.3523 507.4708 507.5893 507.7077 507.8261 507.9445 508.0629 508.1813 508.2997 508.4180 508.5363 508.6546 508.7729 508.8912 509.0095 509.1277 509.2459 509.3641 509.4823 509.6005 509.7186 509.8367 509.9549 --------------------------------------------------------------------------------------- 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 Columns 98-248: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting Columns 249-399: 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 --------------------------------------------------------------------------------------- SO 20200320T212538.0Z 7384.892801 2838 1 32.01 2 50.52 226.96 87.01 243.13 0.00 1 0.00 1 0 15 5.580e-03 5.834e-03 1.236e-03 1.234e-03 8.678628e+02 6.599022e+01 7.503772e+01 -6.000000e+00 2.910203e+02 268.77 -2.00 20.00 -2.00 505.26 0.00e+00 3.261009e-04 3.260237e-05 2.217123e-05 -6.000000e+00 1.505089e-04 268.77 -2.00 20.00 -2.00 500.44 0.00e+00 6.695609e-02 2.431055e-02 6.434280e-03 -6.000000e+00 1.104991e-01 225.86 -2.00 3.45 -2.00 502.03 0.00e+00 1.570 0.000 489.00 513.00 1 6.0109e+00 1.8546e-03 1.9859e-03 -6.0000e+00 8.4306e-03 5.1801e-03 4.8258e-04 1.8800e-04 -6.0000e+00 2.1929e-03 3.9657e-03 -4.2528e-04 1.1960e-04 1.4027e-05 -6.0000e+00 5.5248e-04 2.0290e-02 -1.0288e-04 12 8 8 10 0 0 70.06 20.01 1.37 0.02029 0.01734 8 2 1 4 0 3999.650 25.17 20.00 20.01 -369 -717 351 278 419 898 431 730 460 586 664 343 -720 -95 -182 -273 -99 -81 435 7 143 26 425 589 -5067 641 512 560 -64 -321 -120 -333 -487 253 840 187 471 447 -218 -205 -78 170 222 102 305 213 794 263 311 -38 -492 -249 -1112 -794 -503 -275 -77 -179 102 -105 76 54 394 281 295 -206 271 60 -138 -540 -230 -428 -158 -176 112 152 -376 -317 -699 -449 -401 97 -410 -247 313 -152 460 -213 -188 143 -85 198 177 468 146 257 410 -164 -292 -327 -628 -436 -207 -160 169 -283 -130 51 -508 -56 -443 -194 96 147 47 401 491 584 560 505 134 33 49 15 346 -151 165 144 -44 274 254 122 -211 -125 -785 -39 -19 -334 -142 292 21 142 387 183 391 145 116 17 -83 138 -352 -363 -715 346 283 425 927 455 777 490 617 689 352 -735 -98 -186 -281 -100 -84 458 7 149 27 443 614 -5448 671 534 577 -67 -325 -119 -331 -492 261 865 196 490 461 -223 -214 -81 178 227 106 318 223 823 270 314 -39 -489 -248 -1101 -785 -492 -276 -77 -182 103 -106 76 55 400 286 298 -206 274 60 -136 -529 -222 -415 -154 -174 112 151 -371 -308 -671 -428 -382 93 -398 -241 307 -152 458 -207 -183 139 -84 196 178 474 148 257 401 -158 -282 -309 -590 -412 -200 -155 168 -286 -131 50 -496 -54 -436 -194 94 146 47 402 495 589 562 500 131 33 48 15 341 -151 164 143 -44 270 249 119 -201 -118 -738 -36 -18 -327 -137 284 21 140 382 182 390 144 114 16 -80 131 -337 SO 20200320T214224.4Z 7384.904449 2972 1 34.84 2 52.94 231.32 89.79 245.83 0.00 1 0.00 1 0 15 6.293e-03 6.665e-03 1.139e-03 1.137e-03 8.468703e+02 6.081875e+01 7.454554e+01 -6.000000e+00 3.282327e+02 268.77 -2.00 20.00 -2.00 505.26 0.00e+00 3.748509e-04 2.999690e-05 2.597686e-05 -6.000000e+00 1.697430e-04 268.77 -2.00 20.00 -2.00 500.41 0.00e+00 8.593004e-02 2.240899e-02 6.336572e-03 -6.000000e+00 1.245804e-01 225.86 -2.00 3.45 -2.00 502.01 0.00e+00 1.656 0.000 489.00 513.00 1 5.9231e+00 1.7097e-03 2.0999e-03 -6.0000e+00 9.5055e-03 4.6045e-03 4.4524e-04 1.8509e-04 -6.0000e+00 2.4713e-03 4.2777e-03 -1.3183e-03 1.0994e-04 1.4767e-05 -6.0000e+00 6.2309e-04 2.0341e-02 -7.3156e-05 12 8 8 10 0 0 98.36 20.05 1.46 0.02034 0.01120 9 2 1 4 0 3869.810 25.17 20.00 20.05 -425 -564 127 213 567 867 451 724 675 364 506 363 -1072 -111 -99 -118 -148 72 371 30 115 268 519 310 -6242 707 701 500 352 -96 95 -482 -471 430 784 -46 509 337 100 -63 149 237 262 417 140 328 868 203 169 -88 -359 -632 -804 -630 -385 -282 -85 -180 -141 -28 65 36 292 207 177 14 186 102 -338 -451 -544 -143 -384 -21 121 242 -355 -364 -388 -333 -278 -141 -408 -32 117 -130 174 -146 -105 -160 -168 217 72 775 305 270 285 -17 -444 -227 -479 -460 -355 -175 -78 -99 65 -60 -268 -174 -347 -165 46 370 128 508 483 378 475 580 78 100 -337 31 245 -67 302 255 -123 214 46 4 -288 -99 -572 -233 113 -119 -188 322 122 385 306 181 31 425 57 7 -185 44 -478 -414 -556 128 215 588 889 473 765 713 381 522 370 -1123 -113 -101 -120 -153 74 387 32 123 287 553 331 -6752 735 746 528 363 -96 96 -490 -472 440 826 -48 527 355 104 -65 153 245 274 427 145 340 893 207 176 -89 -354 -628 -787 -618 -385 -282 -87 -181 -143 -28 65 36 296 209 178 15 187 101 -332 -439 -524 -137 -373 -20 120 239 -348 -350 -369 -324 -271 -135 -393 -31 115 -128 172 -145 -105 -160 -164 214 73 777 306 268 278 -16 -427 -213 -447 -432 -341 -169 -77 -99 65 -58 -260 -169 -339 -164 47 365 128 507 485 381 475 572 79 99 -331 30 241 -67 297 251 -122 210 45 4 -275 -93 -534 -217 107 -116 -186 312 119 377 301 179 31 420 55 6 -178 41 -456