File name: Pandora117s1_Rome-SAP_20231212_L2Fit_fwvt1c14d20221111p1-8.txt File generation date: 20240224T013358.4Z Data description: Level 2 spectral fitting results file Data file version: fwvt1c14p1-8 Local principal investigator: Stefano Casadio Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 117 Spectrometer number: 1 Processing software version used: BlickP v1.8.59 Instrument operation file used: Pandora117_OF_v5d20200604.txt Instrument calibration file used: Pandora117s1_CF_v14d20221111.txt Level 1 file used: Pandora117s1_Rome-SAP_20231212_L1_smca1c14d20221111p1-8.txt Full location name: Department of Physics, University of Rome La Sapienza Short location name: Rome-SAP Country of location: Italy Location latitude [deg]: 41.9017 Location longitude [deg]: 12.5158 Location altitude [m]: 75 Local noon date: 20231212 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: Modification of session 11 "Modification of session 2 "Field cal based on session1"" fieldcal ref day 20230304 First and last pixel inside fitting window: 1633 1782 Nominal wavelengths inside fitting window [nm]: 492.0759 492.1973 492.3188 492.4402 492.5616 492.6830 492.8043 492.9257 493.0470 493.1683 493.2896 493.4109 493.5321 493.6534 493.7746 493.8958 494.0170 494.1382 494.2594 494.3805 494.5017 494.6228 494.7439 494.8649 494.9860 495.1071 495.2281 495.3491 495.4701 495.5911 495.7121 495.8330 495.9539 496.0749 496.1958 496.3166 496.4375 496.5584 496.6792 496.8000 496.9208 497.0416 497.1624 497.2831 497.4039 497.5246 497.6453 497.7660 497.8866 498.0073 498.1279 498.2485 498.3691 498.4897 498.6103 498.7308 498.8514 498.9719 499.0924 499.2129 499.3334 499.4538 499.5742 499.6947 499.8151 499.9354 500.0558 500.1762 500.2965 500.4168 500.5371 500.6574 500.7777 500.8979 501.0182 501.1384 501.2586 501.3788 501.4989 501.6191 501.7392 501.8593 501.9794 502.0995 502.2196 502.3396 502.4597 502.5797 502.6997 502.8197 502.9397 503.0596 503.1795 503.2995 503.4193 503.5392 503.6591 503.7789 503.8988 504.0186 504.1384 504.2582 504.3779 504.4977 504.6174 504.7371 504.8568 504.9765 505.0962 505.2158 505.3354 505.4551 505.5747 505.6942 505.8138 505.9333 506.0529 506.1724 506.2919 506.4113 506.5308 506.6502 506.7697 506.8891 507.0085 507.1279 507.2472 507.3665 507.4859 507.6052 507.7245 507.8437 507.9630 508.0822 508.2015 508.3207 508.4398 508.5590 508.6782 508.7973 508.9164 509.0355 509.1546 509.2737 509.3927 509.5118 509.6308 509.7498 509.8688 509.9877 --------------------------------------------------------------------------------------- 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 102-251: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting Columns 252-401: 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 20231212T113145.8Z 8746.480391 162 1 1.65 2 65.30 187.15 70.47 193.85 0.00 1 0.00 1 0 15 2.713e-03 2.727e-03 1.711e-03 1.708e-03 2.940858e+03 1.019890e+02 2.242877e+02 -6.000000e+00 1.477238e+02 276.32 -2.00 20.00 -2.00 505.24 0.00e+00 4.932974e-04 4.638296e-05 3.277045e-05 -6.000000e+00 7.522370e-05 276.32 -2.00 20.00 -2.00 500.34 0.00e+00 3.276584e-02 3.389190e-02 2.074191e-02 -6.000000e+00 5.387515e-02 222.62 -2.00 3.53 -2.00 501.95 0.00e+00 2.378 0.000 489.00 513.00 1 4.9508e+00 2.5948e-03 3.8917e-03 -6.0000e+00 4.1240e-03 1.8230e-02 6.6978e-04 5.4602e-04 -6.0000e+00 1.0694e-03 9.7817e-03 -1.0750e-03 1.7108e-04 3.3337e-05 -6.0000e+00 2.8188e-04 -7.6500e-02 4.0331e-05 12 1 1 12 5 5 -478.58 27.16 1.96 -0.07650 -0.08396 3 23 1 2 0 410.770 15.01 27.16 23.54 21.27 21.48 38.7 1012.88 64 -288 -191 8 214 279 660 461 584 542 103 467 29 -210 -165 -97 147 8 -173 163 -157 286 257 51 372 532 132 -107 -6 -336 -157 308 -124 -101 -70 -208 -530 -66 -257 -430 -328 -113 154 294 -1 47 210 -296 -171 -310 -400 -153 -362 -28 -374 -672 -298 -39 407 161 186 333 270 198 -2 -235 240 16 -174 -255 -146 -104 -343 31 -386 -377 -431 27 -102 -273 -132 -472 -345 -272 27 145 33 25 -371 145 12 141 44 137 154 224 22 -114 -40 -340 -390 -393 -461 -368 -342 -188 -269 -185 -87 28 205 30 21 336 391 332 323 219 190 309 111 -108 70 368 97 137 327 225 165 213 68 -57 294 200 -38 -180 -302 -206 23 226 307 729 542 -65 102 -172 -18 -312 -129 -130 63 -286 -189 8 221 289 694 482 612 576 109 482 30 -216 -168 -99 151 8 -182 171 -166 302 271 54 395 564 140 -112 -6 -344 -160 311 -125 -105 -74 -217 -553 -69 -267 -443 -336 -116 159 306 -1 49 217 -310 -176 -319 -400 -152 -353 -27 -373 -678 -301 -40 416 164 190 341 278 204 -2 -238 238 16 -172 -250 -144 -101 -335 31 -385 -376 -425 26 -99 -264 -127 -454 -333 -265 27 144 33 24 -363 141 12 140 43 136 151 221 21 -109 -38 -320 -366 -374 -443 -358 -336 -186 -263 -182 -84 27 202 29 21 337 394 330 322 219 189 308 109 -105 67 354 94 132 316 218 160 205 66 -55 277 190 -36 -171 -292 -199 22 223 299 710 532 -64 101 -169 -18 -299 -124 -125 SQ 20231212T113804.6Z 8746.484775 166 1 5.71 2 65.47 188.74 70.77 195.26 0.00 1 0.00 1 0 15 2.182e-03 2.180e-03 2.402e-04 2.398e-04 2.864302e+03 1.429833e+01 2.190907e+02 -6.000000e+00 1.187606e+02 276.32 -2.00 20.00 -2.00 505.25 0.00e+00 5.589232e-04 6.502943e-06 3.598180e-05 -6.000000e+00 6.048925e-05 276.32 -2.00 20.00 -2.00 500.37 0.00e+00 6.004916e-02 4.753691e-03 2.012134e-02 -6.000000e+00 4.333414e-02 222.62 -2.00 3.53 -2.00 501.97 0.00e+00 2.392 0.000 489.00 513.00 1 2.4512e+00 3.6371e-04 3.9020e-03 -6.0000e+00 3.3168e-03 8.4661e-03 9.3946e-05 5.3139e-04 -6.0000e+00 8.6064e-04 1.1854e-01 -1.1729e-04 2.4085e-05 3.3462e-05 -6.0000e+00 2.2659e-04 -6.8720e-02 -4.6975e-05 12 1 1 12 5 5 99.87 27.22 1.92 -0.06872 -0.06953 183 119 1 2 0 29.260 15.01 27.22 23.97 21.27 21.48 38.7 1012.81 -139 -182 -315 34 204 291 504 483 538 401 302 336 28 -141 -144 38 -2 -90 -64 -95 -44 172 266 186 200 221 22 37 -81 -344 -164 186 -113 -215 -143 -151 -164 -15 -17 -144 -99 12 24 75 93 103 93 -5 -29 -155 -364 -394 -300 -231 -224 -242 -262 -110 69 158 140 231 187 71 55 31 56 -57 -137 -320 -324 -69 -78 -194 -287 -215 -108 -39 2 -266 -286 -193 -214 -306 -132 -107 -195 -129 -86 159 136 172 244 159 110 230 179 -83 -281 -483 -332 -226 -382 -352 -457 -406 -180 -32 -93 -16 2 8 135 314 355 417 418 348 173 53 312 248 129 182 51 -28 206 217 83 220 -24 -168 74 179 -134 -76 122 69 116 200 220 252 274 215 55 -14 -198 -276 -236 -178 -137 -180 -318 34 207 301 532 503 562 416 317 348 28 -142 -144 38 -2 -93 -66 -99 -47 181 281 197 212 235 23 39 -83 -354 -165 185 -115 -218 -149 -160 -174 -16 -17 -148 -102 12 25 79 96 106 96 -5 -29 -156 -366 -387 -290 -223 -221 -239 -266 -113 71 163 144 238 193 74 57 32 56 -56 -137 -317 -318 -68 -77 -189 -283 -211 -105 -38 1 -256 -275 -188 -209 -295 -128 -105 -193 -127 -85 157 135 169 243 159 109 230 174 -79 -269 -454 -310 -215 -363 -347 -452 -403 -177 -31 -91 -16 2 8 135 317 352 415 418 348 172 53 309 242 125 177 50 -27 201 212 81 214 -23 -160 71 170 -128 -74 117 67 114 195 215 248 271 214 55 -14 -192 -268 -225 -169