File name: Pandora152s1_NyAlesund_20231005_L2Fit_fwvt1c5d20230706p1-8.txt File generation date: 20231006T162428.6Z 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 v1.8.49 Instrument operation file used: Pandora152_OF_v9d20190320.txt Instrument calibration file used: Pandora152s1_CF_v5d20230706.txt Level 1 file used: Pandora152s1_NyAlesund_20231005_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: 20231005 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 20231005T093017.5Z 8678.396036 416 1 30.98 2 84.48 157.34 61.32 266.18 0.00 1 0.00 1 0 15 3.494e-03 3.436e-03 7.115e-04 7.105e-04 2.311632e+03 3.823614e+01 1.747452e+02 -6.000000e+00 1.746125e+02 261.86 -2.00 20.00 -2.00 505.32 0.00e+00 5.978092e-04 1.840854e-05 3.300719e-05 -6.000000e+00 9.226766e-05 261.86 -2.00 20.00 -2.00 500.64 0.00e+00 7.738888e-01 1.379676e-02 2.227635e-02 -6.000000e+00 6.863772e-02 221.79 -2.00 5.51 -2.00 502.21 0.00e+00 9.123 0.025 489.00 513.00 1 5.4994e+00 1.0480e-03 1.3632e-02 -6.0000e+00 5.2240e-03 -4.6432e-03 2.7183e-04 9.0134e-04 -6.0000e+00 1.3648e-03 2.0520e-03 5.1171e-04 6.4003e-05 3.1789e-05 -6.0000e+00 3.2367e-04 -6.6564e-03 4.2595e-05 12 1 1 12 1 1 97.30 17.68 1.53 -0.00666 -0.00311 17 6 1 2 0 1720.990 15.00 17.68 7.33 21.48 21.27 13.9 982.23 -1149 -904 -538 -100 43 80 474 303 373 223 113 83 -219 -247 -472 -412 -505 -94 188 345 194 223 96 165 455 387 356 200 3 -315 -411 -706 -335 201 381 291 264 305 67 -60 -20 52 146 203 404 399 400 334 393 102 -195 -503 -827 -691 -439 -111 95 234 87 247 232 378 366 469 207 264 66 -138 -242 -262 -386 -478 -366 -123 85 27 -179 -322 -360 -317 -361 -183 -351 -205 -58 -78 -147 -10 -75 -140 -108 211 404 365 389 261 135 -59 -49 -391 -833 -772 -592 35 107 47 -255 -229 -274 -249 -185 -20 174 224 406 598 622 646 541 397 187 105 52 270 161 245 182 287 157 124 88 28 -14 -363 -433 -188 -24 -50 9 245 167 -10 209 294 102 96 -93 -441 -590 -748 -707 -1061 -843 -516 -100 42 80 481 313 386 229 115 82 -217 -241 -457 -400 -496 -94 194 361 204 236 98 167 464 396 363 203 3 -318 -404 -694 -333 206 388 302 273 311 68 -61 -20 52 148 208 418 416 416 344 398 101 -197 -495 -803 -670 -435 -108 96 239 89 252 237 386 376 483 213 268 66 -136 -237 -253 -370 -458 -353 -120 84 27 -175 -310 -342 -299 -342 -174 -338 -199 -56 -78 -147 -10 -74 -141 -109 215 401 366 388 257 135 -58 -47 -368 -778 -726 -572 35 107 47 -256 -226 -267 -243 -182 -20 177 231 421 621 625 653 546 397 192 106 52 270 163 248 185 291 159 126 89 28 -14 -353 -420 -183 -24 -48 9 246 170 -10 215 304 106 100 -96 -445 -582 -728 -691 SQ 20231005T093454.0Z 8678.399236 419 1 48.83 2 84.40 158.49 61.53 267.27 0.00 1 0.00 1 0 15 3.529e-03 3.495e-03 2.217e-04 2.214e-04 2.455096e+03 1.195517e+01 1.889277e+02 -6.000000e+00 1.763709e+02 261.86 -2.00 20.00 -2.00 505.29 0.00e+00 6.799266e-04 5.734555e-06 3.658734e-05 -6.000000e+00 9.319684e-05 261.86 -2.00 20.00 -2.00 500.58 0.00e+00 7.703570e-01 4.298565e-03 2.253226e-02 -6.000000e+00 6.932465e-02 221.79 -2.00 5.51 -2.00 502.16 0.00e+00 9.019 0.024 489.00 513.00 1 3.6920e+00 3.2698e-04 1.3470e-02 -6.0000e+00 5.2763e-03 -1.2896e-03 8.4779e-05 9.0237e-04 -6.0000e+00 1.3784e-03 1.2675e-02 2.6021e-04 1.9953e-05 3.3370e-05 -6.0000e+00 3.2694e-04 2.5010e-03 -6.8998e-06 10 0 0 10 0 0 99.30 17.68 1.36 0.00250 0.00431 226 52 1 2 0 215.100 15.00 17.68 7.36 21.48 21.27 13.8 982.23 -1222 -942 -572 -243 34 210 476 386 404 269 48 -43 -180 -204 -332 -441 -323 -7 232 272 145 211 183 220 370 331 333 217 60 -312 -621 -703 -484 123 434 360 366 268 56 0 -31 71 142 246 350 445 441 378 215 21 -253 -584 -816 -829 -445 -126 121 219 155 210 244 432 430 497 456 265 87 -148 -141 -263 -364 -427 -384 -176 165 67 -168 -248 -387 -359 -363 -398 -436 -199 18 -61 -72 27 42 -53 8 216 377 421 448 316 150 -68 -127 -354 -739 -721 -504 -44 60 -60 -186 -264 -331 -259 -94 -63 174 272 396 532 602 533 469 367 162 32 47 244 208 151 211 201 65 150 149 69 -65 -353 -406 -108 90 -93 37 226 195 86 163 129 139 101 -88 -372 -590 -734 -698 -1172 -912 -543 -239 34 217 479 394 413 273 48 -43 -184 -205 -332 -442 -328 -7 236 282 151 220 191 230 389 349 351 227 62 -310 -604 -683 -477 125 456 368 372 282 58 0 -32 74 148 249 358 458 452 384 215 22 -252 -567 -781 -794 -435 -127 120 220 157 212 245 435 436 505 461 266 85 -144 -141 -261 -359 -420 -381 -169 161 65 -162 -245 -378 -349 -353 -390 -431 -191 17 -60 -71 27 42 -52 8 216 383 432 458 318 148 -65 -120 -341 -706 -694 -477 -43 61 -60 -183 -267 -330 -259 -94 -62 173 275 402 543 618 551 484 375 163 31 46 239 206 150 210 200 64 149 148 68 -63 -337 -386 -103 88 -93 37 232 194 86 164 131 141 102 -89 -367 -593 -728 -696