File name: Pandora204s1_BoulderCO-NCAR_20230705_L2Fit_fwvt1c2d20210826p1-8.txt File generation date: 20230708T172743.3Z Data description: Level 2 spectral fitting results file Data file version: fwvt1c2p1-8 Local principal investigator: --- Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 204 Spectrometer number: 1 Processing software version used: BlickP v1.8.49 Instrument operation file used: Pandora204_OF_v2d20210322.txt Instrument calibration file used: Pandora204s1_CF_v2d20210826.txt Level 1 file used: Pandora204s1_BoulderCO-NCAR_20230705_L1_smca1c2d20210826p1-8.txt Full location name: National Center for Atmospheric Research Short location name: BoulderCO-NCAR Country of location: United States Location latitude [deg]: 40.0375 Location longitude [deg]: -105.2420 Location altitude [m]: 1616 Local noon date: 20230705 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: 1655 1804 Nominal wavelengths inside fitting window [nm]: 492.1141 492.2349 492.3556 492.4763 492.5970 492.7177 492.8384 492.9590 493.0797 493.2003 493.3209 493.4415 493.5621 493.6826 493.8032 493.9237 494.0442 494.1647 494.2851 494.4056 494.5260 494.6464 494.7669 494.8872 495.0076 495.1280 495.2483 495.3686 495.4889 495.6092 495.7295 495.8497 495.9700 496.0902 496.2104 496.3306 496.4508 496.5709 496.6911 496.8112 496.9313 497.0514 497.1714 497.2915 497.4115 497.5315 497.6515 497.7715 497.8915 498.0114 498.1314 498.2513 498.3712 498.4911 498.6109 498.7308 498.8506 498.9704 499.0902 499.2100 499.3298 499.4495 499.5693 499.6890 499.8087 499.9284 500.0480 500.1677 500.2873 500.4069 500.5265 500.6461 500.7657 500.8852 501.0047 501.1242 501.2437 501.3632 501.4827 501.6021 501.7215 501.8410 501.9603 502.0797 502.1991 502.3184 502.4377 502.5570 502.6763 502.7956 502.9149 503.0341 503.1533 503.2725 503.3917 503.5109 503.6300 503.7492 503.8683 503.9874 504.1065 504.2255 504.3446 504.4636 504.5826 504.7016 504.8206 504.9396 505.0585 505.1775 505.2964 505.4153 505.5342 505.6530 505.7719 505.8907 506.0095 506.1283 506.2471 506.3658 506.4846 506.6033 506.7220 506.8407 506.9594 507.0780 507.1966 507.3153 507.4339 507.5525 507.6710 507.7896 507.9081 508.0266 508.1451 508.2636 508.3821 508.5005 508.6190 508.7374 508.8558 508.9741 509.0925 509.2108 509.3292 509.4475 509.5658 509.6841 509.8023 509.9206 --------------------------------------------------------------------------------------- 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 --------------------------------------------------------------------------------------- SQ 20230705T165607.5Z 8586.705643 307 1 50.89 2 32.31 112.53 122.01 267.61 0.00 1 0.00 1 0 15 4.233e-03 4.179e-03 9.654e-04 9.619e-04 2.250128e+03 5.503582e+01 1.807818e+02 -6.000000e+00 2.237974e+02 281.06 -2.00 20.00 -2.00 505.23 0.00e+00 5.831640e-04 2.576189e-05 3.041471e-05 -6.000000e+00 1.162668e-04 281.06 -2.00 20.00 -2.00 500.34 0.00e+00 4.375560e-02 1.884639e-02 1.302212e-02 -6.000000e+00 8.298064e-02 231.68 -2.00 3.45 -2.00 501.93 0.00e+00 1.183 0.000 489.00 513.00 1 1.1763e+01 1.4364e-03 1.9565e-03 -6.0000e+00 6.3330e-03 1.1794e-02 3.8097e-04 3.5187e-04 -6.0000e+00 1.6788e-03 1.3088e-05 4.7879e-04 8.1206e-05 2.5589e-05 -6.0000e+00 3.6723e-04 -2.5756e-02 6.2045e-05 11 8 0 10 0 0 97.68 18.42 1.55 -0.02576 -0.02243 13 3 1 4 0 3913.640 21.27 15.00 18.42 20.19 11.8 842.58 -969 -874 -246 154 379 518 471 712 481 568 105 110 -281 -426 -513 -193 -21 11 106 257 394 162 120 260 409 369 332 -88 -368 -459 -724 -699 6 3 56 296 -35 -75 -375 -171 -194 -173 205 99 635 439 470 392 254 -317 -690 -867 -930 -745 -234 35 210 151 -32 225 498 460 319 590 240 152 77 -81 -370 -450 -400 -663 69 -281 -171 -327 -234 -444 -670 -414 -461 -478 -375 -127 -122 247 66 138 -92 198 237 712 448 530 794 574 -11 -224 -690 -841 -900 -742 -123 -111 -161 -42 -195 -668 -259 -299 -226 -64 194 385 671 833 580 536 314 331 231 -314 291 -9 84 301 171 37 339 377 -57 34 -272 -740 -530 -216 -453 -7 276 296 218 231 416 402 524 433 -9 -497 -489 -804 -953 -879 -255 155 390 543 502 762 513 595 109 113 -283 -424 -510 -193 -21 11 113 276 422 174 129 279 442 398 356 -94 -379 -456 -712 -693 6 3 60 320 -37 -79 -392 -177 -201 -180 215 106 680 471 500 411 261 -318 -673 -826 -879 -712 -230 36 218 157 -33 232 513 478 333 613 247 154 76 -80 -362 -434 -383 -640 67 -278 -170 -323 -226 -422 -632 -389 -436 -457 -360 -123 -119 243 65 136 -91 196 236 718 460 544 802 570 -11 -214 -643 -769 -823 -689 -118 -111 -156 -41 -196 -662 -254 -294 -227 -62 188 377 658 819 575 533 309 321 220 -313 287 -9 79 284 161 35 336 374 -56 33 -259 -700 -498 -205 -444 -7 262 284 211 223 404 393 512 420 -9 -462 -470 -773 SQ 20230705T174626.9Z 8586.740589 330 1 47.95 2 24.06 130.00 131.06 275.77 0.00 1 0.00 1 0 15 4.144e-03 4.122e-03 1.061e-03 1.057e-03 2.394237e+03 6.064874e+01 1.924992e+02 -6.000000e+00 2.190984e+02 281.06 -2.00 20.00 -2.00 505.24 0.00e+00 5.272156e-04 2.853797e-05 2.943365e-05 -6.000000e+00 1.138247e-04 281.06 -2.00 20.00 -2.00 500.33 0.00e+00 6.472249e-02 2.080455e-02 1.433864e-02 -6.000000e+00 8.123482e-02 231.68 -2.00 3.45 -2.00 501.93 0.00e+00 1.095 0.000 489.00 513.00 1 1.1856e+01 1.5912e-03 1.9416e-03 -6.0000e+00 6.1998e-03 1.0223e-02 4.1850e-04 3.8599e-04 -6.0000e+00 1.6435e-03 1.2036e-05 3.1302e-04 8.8540e-05 2.6125e-05 -6.0000e+00 3.5951e-04 -2.5128e-02 6.0338e-05 11 8 0 10 0 0 98.92 18.42 1.51 -0.02513 -0.02296 13 3 1 4 0 3687.700 21.27 15.00 18.42 21.58 11.8 852.31 -908 -736 -174 99 367 530 598 657 437 450 303 -73 -360 -252 -423 -222 -124 -57 -162 298 420 105 234 362 491 514 532 130 -391 -500 -789 -780 -233 -126 197 159 12 -117 -416 -138 -159 138 238 177 587 705 459 394 96 -398 -627 -1023 -812 -722 -313 53 20 150 140 357 343 280 393 660 108 94 233 -50 -400 -404 -308 -524 10 62 -67 -224 -456 -366 -662 -635 -500 -583 -220 -144 -251 114 141 -28 -71 132 218 686 498 560 769 651 108 -254 -585 -936 -808 -656 -162 -113 -169 -115 -227 -288 -368 -213 -343 -112 452 296 620 745 689 385 359 209 101 -164 32 81 -31 314 412 205 313 79 -155 -151 -118 -419 -377 -311 -369 41 306 210 194 295 437 385 425 204 0 -314 -598 -752 -863 -715 -174 102 388 571 655 723 479 485 323 -77 -373 -257 -431 -228 -129 -61 -178 309 435 109 243 377 512 536 551 133 -415 -511 -799 -795 -242 -129 206 166 12 -119 -447 -146 -170 148 242 183 609 730 472 399 102 -411 -629 -1004 -788 -710 -317 55 20 151 141 356 342 282 396 663 108 92 238 -51 -402 -400 -303 -519 10 62 -65 -227 -454 -358 -642 -615 -487 -574 -217 -143 -239 109 134 -26 -68 126 210 669 495 557 752 625 102 -249 -559 -881 -757 -626 -159 -110 -167 -114 -221 -275 -348 -203 -333 -110 449 297 623 750 699 392 363 208 99 -158 30 78 -30 303 398 197 301 77 -148 -142 -109 -382 -343 -287 -350 40 298 207 192 293 435 386 426 204 0 -298 -558 -700