File name: Pandora238s1_Granada_20240331_L2Fit_fwvt1c14d20230901p1-8.txt File generation date: 20250305T233548.5Z Data description: Level 2 spectral fitting results file Data file version: fwvt1c14p1-8 Local principal investigator: Inmaculada Foyo Moreno Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 238 Spectrometer number: 1 Processing software version used: BlickP v1.8.74 Instrument operation file used: Pandora238_OF_v2d20220614.txt Instrument calibration file used: Pandora238s1_CF_v14d20230901.txt Level 1 file used: Pandora238s1_Granada_20240331_L1_smca1c14d20230901p1-8.txt Full location name: Andalusian Institute for Earth System Research (IISTA) - University of Granada Short location name: Granada Country of location: Spain Location latitude [deg]: 37.1640 Location longitude [deg]: -3.6050 Location altitude [m]: 680 Local noon date: 20240331 Notes on s-number (L1 configuration): Corrections NOT applied although requested by the s-number are blind pixel subtraction, dark map for dark correction (replaced by immediate dark method), latency correction, matrix method stray light correction (replaced by simple method) Data caveats: Update session 10 for SO2 First and last pixel inside fitting window: 1624 1774 Nominal wavelengths inside fitting window [nm]: 492.0701 492.1907 492.3114 492.4320 492.5526 492.6732 492.7938 492.9143 493.0349 493.1554 493.2759 493.3964 493.5168 493.6373 493.7577 493.8781 493.9985 494.1189 494.2393 494.3596 494.4799 494.6002 494.7205 494.8408 494.9611 495.0813 495.2015 495.3218 495.4419 495.5621 495.6823 495.8024 495.9225 496.0426 496.1627 496.2828 496.4028 496.5229 496.6429 496.7629 496.8829 497.0028 497.1228 497.2427 497.3626 497.4825 497.6024 497.7223 497.8421 497.9619 498.0817 498.2015 498.3213 498.4411 498.5608 498.6805 498.8002 498.9199 499.0396 499.1592 499.2789 499.3985 499.5181 499.6377 499.7572 499.8768 499.9963 500.1158 500.2353 500.3548 500.4742 500.5937 500.7131 500.8325 500.9519 501.0713 501.1906 501.3099 501.4293 501.5486 501.6678 501.7871 501.9063 502.0256 502.1448 502.2640 502.3832 502.5023 502.6214 502.7406 502.8597 502.9788 503.0978 503.2169 503.3359 503.4549 503.5739 503.6929 503.8119 503.9308 504.0497 504.1686 504.2875 504.4064 504.5253 504.6441 504.7629 504.8817 505.0005 505.1193 505.2380 505.3567 505.4755 505.5941 505.7128 505.8315 505.9501 506.0687 506.1873 506.3059 506.4245 506.5431 506.6616 506.7801 506.8986 507.0171 507.1355 507.2540 507.3724 507.4908 507.6092 507.7276 507.8459 507.9642 508.0826 508.2009 508.3191 508.4374 508.5556 508.6739 508.7921 508.9103 509.0284 509.1466 509.2647 509.3828 509.5009 509.6190 509.7371 509.8551 509.9731 --------------------------------------------------------------------------------------- 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 101-251: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting Columns 252-402: 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 20240331T110314.1Z 8856.460579 457 1 55.13 2 36.98 147.70 108.80 248.14 0.00 1 0.00 1 0 15 3.159e-03 3.156e-03 2.049e-03 2.034e-03 2.559886e+03 1.158053e+02 1.724235e+02 -6.000000e+00 1.620698e+02 277.72 -2.00 20.00 -2.00 505.20 0.00e+00 3.655970e-04 5.384126e-05 2.576820e-05 -6.000000e+00 8.541585e-05 277.72 -2.00 20.00 -2.00 500.11 0.00e+00 4.502664e-02 3.966881e-02 2.182672e-02 -6.000000e+00 6.068226e-02 227.51 -2.00 3.42 -2.00 501.75 0.00e+00 1.251 0.000 489.00 513.00 1 8.5340e+00 3.0282e-03 2.5239e-03 -6.0000e+00 4.6308e-03 1.2771e-02 7.9519e-04 4.9529e-04 -6.0000e+00 1.2201e-03 3.2310e-04 3.1171e-04 1.4584e-04 1.9765e-05 -6.0000e+00 2.3526e-04 1.5287e-03 -4.5983e-05 10 0 0 10 0 0 99.92 19.64 2.39 0.00153 0.00369 18 2 1 4 0 3062.132 24.00 15.00 19.64 16.01 4.6 886.38 -857 -931 209 150 -238 177 701 707 332 -84 -177 -79 21 -127 -170 -4 -45 182 247 131 23 93 -77 -137 68 279 -16 -312 119 -418 292 75 -498 -262 236 159 -315 497 -156 158 -45 -269 114 99 435 486 439 416 521 233 191 -377 -194 -890 -307 63 46 -301 -66 28 -398 383 128 107 187 -307 -85 75 63 -411 -265 104 -5 15 -58 5 -379 -586 -371 -348 138 -146 -121 -483 -160 99 -181 -366 115 313 161 -50 5 479 -2 -109 -160 -317 -291 -129 -6 -66 -462 166 -60 -373 -222 -285 -1 -110 182 120 348 -34 1 -33 303 369 722 460 388 356 -469 -32 388 631 -36 502 271 217 217 -93 209 494 -274 -433 -510 417 -47 -134 359 -238 67 119 55 -11 -108 -250 -182 -647 -496 -882 -971 211 159 -257 194 783 799 375 -93 -194 -86 22 -132 -177 -4 -48 197 277 149 26 100 -82 -147 74 300 -17 -334 130 -435 299 78 -523 -286 255 172 -336 521 -162 161 -46 -280 119 104 463 520 465 435 536 235 195 -378 -191 -886 -314 63 47 -313 -69 29 -409 393 133 111 193 -313 -85 74 62 -394 -250 99 -5 15 -58 5 -367 -557 -347 -324 128 -138 -116 -460 -155 98 -179 -359 113 307 159 -50 5 467 -2 -109 -157 -303 -269 -116 -5 -60 -432 161 -58 -361 -212 -268 -1 -107 170 114 334 -33 1 -32 299 366 711 445 370 334 -436 -29 366 589 -34 470 252 202 203 -86 187 438 -241 -382 -466 388 -45 -128 345 -230 65 116 54 -11 -104 -234 -165 -584 -450