File name: Pandora152s1_NyAlesund_20240725_L2Fit_fwvt1c5d20230706p1-8.txt File generation date: 20240725T232736.7Z Data description: Level 2 spectral fitting results file Data file version: fwvt1c5p1-8 Local principal investigator: Ann Mari Fjaeraa Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 152 Spectrometer number: 1 Processing software version used: BlickP v1.8.59 Instrument operation file used: Pandora152_OF_v9d20190320.txt Instrument calibration file used: Pandora152s1_CF_v5d20230706.txt Level 1 file used: Pandora152s1_NyAlesund_20240725_L1_smca1c5d20230706p1-8.txt Full location name: Norwegian Polar Institute Sverdrup Short location name: NyAlesund Country of location: Norway Location latitude [deg]: 78.9233 Location longitude [deg]: 11.9299 Location altitude [m]: 18 Local noon date: 20240725 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: based session 2 VP 20230706 First and last pixel inside fitting window: 1651 1801 Nominal wavelengths inside fitting window [nm]: 492.0234 492.1443 492.2651 492.3859 492.5066 492.6274 492.7482 492.8689 492.9896 493.1103 493.2310 493.3517 493.4723 493.5929 493.7136 493.8342 493.9547 494.0753 494.1958 494.3164 494.4369 494.5574 494.6779 494.7983 494.9188 495.0392 495.1596 495.2800 495.4004 495.5208 495.6411 495.7614 495.8818 496.0021 496.1223 496.2426 496.3628 496.4831 496.6033 496.7235 496.8437 496.9638 497.0840 497.2041 497.3242 497.4443 497.5644 497.6844 497.8045 497.9245 498.0445 498.1645 498.2845 498.4044 498.5244 498.6443 498.7642 498.8841 499.0040 499.1238 499.2437 499.3635 499.4833 499.6031 499.7228 499.8426 499.9623 500.0821 500.2018 500.3214 500.4411 500.5608 500.6804 500.8000 500.9196 501.0392 501.1588 501.2783 501.3979 501.5174 501.6369 501.7563 501.8758 501.9953 502.1147 502.2341 502.3535 502.4729 502.5922 502.7116 502.8309 502.9502 503.0695 503.1888 503.3080 503.4273 503.5465 503.6657 503.7849 503.9041 504.0232 504.1424 504.2615 504.3806 504.4997 504.6187 504.7378 504.8568 504.9758 505.0948 505.2138 505.3328 505.4517 505.5707 505.6896 505.8085 505.9273 506.0462 506.1650 506.2839 506.4027 506.5215 506.6402 506.7590 506.8777 506.9965 507.1152 507.2338 507.3525 507.4712 507.5898 507.7084 507.8270 507.9456 508.0642 508.1827 508.3012 508.4197 508.5382 508.6567 508.7752 508.8936 509.0120 509.1304 509.2488 509.3672 509.4856 509.6039 509.7222 509.8405 509.9588 --------------------------------------------------------------------------------------- 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 102-252: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting Columns 253-403: 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 20240725T065403.5Z 8972.287541 236 1 48.48 2 66.36 109.72 88.95 242.81 0.00 1 0.00 1 0 15 2.514e-03 2.497e-03 1.366e-03 1.359e-03 2.085947e+03 7.687707e+01 1.587259e+02 -6.000000e+00 1.317748e+02 272.99 -2.00 20.00 -2.00 505.18 0.00e+00 4.392341e-04 3.587870e-05 2.305867e-05 -6.000000e+00 6.820664e-05 272.99 -2.00 20.00 -2.00 500.23 0.00e+00 2.623521e-01 2.721881e-02 1.570850e-02 -6.000000e+00 5.033588e-02 235.79 -2.00 5.51 -2.00 501.83 0.00e+00 2.475 0.000 489.00 513.00 1 7.7110e+00 2.0688e-03 3.8157e-03 -6.0000e+00 3.8334e-03 1.0246e-02 5.4899e-04 4.2843e-04 -6.0000e+00 1.0133e-03 6.0096e-04 -2.4304e-06 1.2333e-04 2.4403e-05 -6.0000e+00 2.3426e-04 -3.8908e-02 -1.6206e-04 10 0 0 10 0 0 99.93 18.16 2.03 -0.03891 -0.03893 26 6 1 2 0 1864.340 15.00 18.16 16.47 21.88 21.69 16.7 1000.30 900000 -823 -452 -175 -200 25 301 193 239 280 -195 43 -209 -213 -390 -285 -360 -124 196 -35 270 83 184 -136 474 504 -57 103 23 192 -230 -15 -454 35 492 277 200 20 85 -110 64 -49 174 -231 337 78 358 85 134 40 -154 -89 -472 -184 -473 -27 -217 18 1 44 103 232 460 98 258 -33 258 70 -33 -15 55 -43 -370 -173 -191 -16 -171 -127 -276 -56 -236 -89 -128 -254 61 41 -163 -136 446 -12 25 268 291 212 222 507 68 -44 -200 120 -312 -406 -465 -232 -80 -215 -86 -278 142 -444 115 -176 -232 171 241 328 340 284 157 317 -110 371 -12 243 280 68 157 24 175 -158 264 -366 252 -205 -23 -262 -31 75 -84 565 -119 -33 -236 261 -95 -25 -72 -238 -34 -637 -432 900000 -806 -450 -180 -213 27 335 204 254 296 -205 48 -228 -228 -414 -301 -382 -134 202 -37 288 89 196 -145 506 540 -61 110 24 197 -228 -15 -447 36 512 296 215 21 90 -115 66 -51 180 -243 357 84 383 90 141 41 -155 -87 -450 -173 -450 -26 -220 19 1 46 107 239 477 103 269 -34 262 70 -32 -14 53 -41 -356 -168 -188 -16 -169 -123 -263 -53 -222 -84 -122 -244 59 40 -161 -135 440 -12 25 268 295 218 229 516 68 -43 -192 112 -286 -371 -433 -223 -80 -220 -88 -281 141 -438 114 -177 -222 166 235 322 335 281 156 312 -107 353 -11 227 263 65 148 22 165 -149 247 -343 231 -185 -21 -234 -28 69 -79 537 -115 -32 -230 255 -94 -25 -70 -229 -32 -587 -395 SQ 20240725T070728.0Z 8972.296851 244 1 48.93 2 65.76 113.11 89.45 246.01 0.00 1 0.00 1 0 15 3.409e-03 3.371e-03 2.214e-03 2.202e-03 2.179097e+03 1.254893e+02 1.634219e+02 -6.000000e+00 1.786832e+02 272.99 -2.00 20.00 -2.00 505.18 0.00e+00 4.730617e-04 5.863859e-05 2.546280e-05 -6.000000e+00 9.248061e-05 272.99 -2.00 20.00 -2.00 500.20 0.00e+00 2.256914e-01 4.455542e-02 1.656226e-02 -6.000000e+00 6.823961e-02 235.78 -2.00 5.51 -2.00 501.81 0.00e+00 2.419 0.000 489.00 513.00 1 8.0387e+00 3.4004e-03 3.7737e-03 -6.0000e+00 5.1971e-03 1.0171e-02 8.9210e-04 4.4130e-04 -6.0000e+00 1.3735e-03 4.3743e-04 3.2540e-04 1.9950e-04 2.4547e-05 -6.0000e+00 3.1762e-04 -3.9016e-02 -1.4483e-04 10 0 0 10 0 0 99.93 18.16 1.86 -0.03902 -0.03676 75 17 1 2 0 652.350 15.00 18.16 16.89 21.88 21.69 16.7 1002.27 900000 -954 -455 -216 -78 -207 672 -98 368 92 424 -314 51 -97 -241 -214 -539 335 -49 336 -255 448 -209 199 318 166 274 -127 369 -93 314 -404 92 -137 422 -12 -77 216 -131 115 -356 203 -44 515 -51 157 221 224 -149 -218 114 -802 -254 -770 -195 -475 154 -6 -35 147 113 620 345 331 -59 565 -58 108 -87 -268 108 -111 -198 -571 551 -237 101 11 -322 -222 -355 -47 -627 167 -319 130 -433 363 22 54 66 -61 499 -286 550 -176 457 -56 294 -236 -238 -510 -450 80 -142 32 -769 422 -563 352 -305 -264 26 345 171 -73 382 -78 802 -44 674 -31 22 17 -96 216 193 265 -7 509 -462 568 -543 -94 -181 -204 696 -54 129 -220 357 -212 344 -383 279 -239 -89 -164 -388 107 -727 900000 -946 -459 -225 -84 -229 753 -105 393 98 443 -326 56 -105 -258 -227 -538 337 -51 356 -275 479 -225 214 342 179 296 -137 390 -96 311 -397 91 -139 441 -13 -83 232 -139 119 -370 210 -46 541 -54 169 238 239 -158 -226 115 -790 -243 -731 -186 -469 156 -6 -37 153 117 641 360 347 -62 584 -60 109 -86 -263 104 -106 -191 -561 543 -237 100 10 -308 -211 -336 -45 -603 160 -312 128 -432 360 22 53 66 -61 507 -298 569 -181 459 -55 282 -222 -220 -470 -421 77 -133 31 -745 399 -527 324 -284 -249 25 334 167 -72 377 -78 793 -44 652 -29 21 16 -90 204 182 251 -6 477 -437 528 -503 -85 -162 -182 625 -50 121 -210 344 -207 334 -377 275 -236 -87 -157 -364 98 -667