File name: Pandora138s1_Rome-IIA_20240310_L2Fit_fwvt1c1d20220121p1-8.txt File generation date: 20240310T232244.4Z Data description: Level 2 spectral fitting results file Data file version: fwvt1c1p1-8 Local principal investigator: Stefano Casadio Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 138 Spectrometer number: 1 Processing software version used: BlickP v1.8.59 Instrument operation file used: Pandora138_OF_v3d20210407.txt Instrument calibration file used: Pandora138s1_CF_v1d20220121.txt Level 1 file used: Pandora138s1_Rome-IIA_20240310_L1_smca1c1d20220121p1-8.txt Full location name: CNR-IIA Montelibretti Rome Short location name: Rome-IIA Country of location: Italy Location latitude [deg]: 42.1057 Location longitude [deg]: 12.6402 Location altitude [m]: 92 Local noon date: 20240310 Notes on s-number (L1 configuration): Corrections NOT applied although requested by the s-number are latency correction, matrix method stray light correction (replaced by simple method) Data caveats: None First and last pixel inside fitting window: 1629 1778 Nominal wavelengths inside fitting window [nm]: 492.0975 492.2186 492.3398 492.4609 492.5821 492.7032 492.8242 492.9453 493.0664 493.1874 493.3084 493.4294 493.5504 493.6714 493.7923 493.9133 494.0342 494.1551 494.2760 494.3968 494.5177 494.6385 494.7593 494.8801 495.0009 495.1217 495.2424 495.3632 495.4839 495.6046 495.7253 495.8459 495.9666 496.0872 496.2078 496.3284 496.4490 496.5696 496.6901 496.8107 496.9312 497.0517 497.1722 497.2926 497.4131 497.5335 497.6539 497.7743 497.8947 498.0151 498.1354 498.2557 498.3760 498.4963 498.6166 498.7369 498.8571 498.9773 499.0976 499.2177 499.3379 499.4581 499.5782 499.6984 499.8185 499.9386 500.0586 500.1787 500.2987 500.4188 500.5388 500.6588 500.7787 500.8987 501.0186 501.1385 501.2584 501.3783 501.4982 501.6181 501.7379 501.8577 501.9775 502.0973 502.2171 502.3368 502.4566 502.5763 502.6960 502.8157 502.9353 503.0550 503.1746 503.2942 503.4138 503.5334 503.6530 503.7725 503.8921 504.0116 504.1311 504.2505 504.3700 504.4894 504.6089 504.7283 504.8477 504.9671 505.0864 505.2058 505.3251 505.4444 505.5637 505.6829 505.8022 505.9214 506.0407 506.1599 506.2791 506.3982 506.5174 506.6365 506.7556 506.8747 506.9938 507.1129 507.2319 507.3510 507.4700 507.5890 507.7080 507.8269 507.9459 508.0648 508.1837 508.3026 508.4215 508.5403 508.6592 508.7780 508.8968 509.0156 509.1344 509.2531 509.3719 509.4906 509.6093 509.7280 509.8466 509.9653 --------------------------------------------------------------------------------------- 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 20240310T082335.4Z 8835.349715 122 1 49.13 2 60.84 127.45 63.89 128.44 0.00 1 0.00 1 0 15 2.280e-03 2.268e-03 8.529e-04 8.515e-04 2.444389e+03 5.320116e+01 1.803816e+02 -6.000000e+00 1.317487e+02 275.40 -2.00 20.00 -2.00 505.27 0.00e+00 4.208350e-04 2.366389e-05 2.814667e-05 -6.000000e+00 6.469031e-05 275.40 -2.00 20.00 -2.00 500.47 0.00e+00 1.304165e-01 1.742864e-02 1.965469e-02 -6.000000e+00 4.676227e-02 225.81 -2.00 3.53 -2.00 502.06 0.00e+00 2.043 0.000 489.00 513.00 1 8.0039e+00 1.3393e-03 3.3999e-03 -6.0000e+00 3.5948e-03 1.1875e-02 3.3765e-04 4.9456e-04 -6.0000e+00 9.0956e-04 4.8216e-04 -2.8377e-04 1.0576e-04 2.2585e-05 -6.0000e+00 2.9230e-04 -5.1178e-03 7.3531e-05 10 0 0 10 0 0 96.50 18.33 0.71 -0.00512 -0.00709 16 4 1 2 0 3070.250 14.99 18.33 21.92 21.69 21.17 15.6 982.08 -22 150 324 61 67 198 264 354 243 234 168 95 -265 -146 303 -97 -200 164 96 130 22 185 35 224 -23 274 59 84 -426 -305 31 -437 -211 204 145 -386 -117 37 -126 29 80 122 47 82 27 61 -19 170 -214 -321 -171 -237 -306 -262 -114 -349 -137 212 160 101 185 332 119 -9 310 11 -162 208 3 -300 -216 -310 -115 -104 -127 -557 -202 -204 -159 -430 -377 -188 -333 -225 93 -123 -377 32 82 19 -115 360 269 82 -177 223 132 -190 -258 -305 -439 -266 -499 6 -407 -155 -323 -39 115 156 151 -15 329 110 230 208 533 353 306 279 303 -15 221 223 95 164 -111 267 171 227 22 -145 269 -41 -310 282 213 -130 63 171 -195 243 102 34 268 55 -126 -19 -219 -398 -22 150 319 62 70 203 274 368 252 240 170 98 -272 -149 306 -99 -207 167 99 137 23 195 37 237 -24 289 62 86 -430 -312 32 -448 -213 210 151 -407 -123 39 -130 30 82 125 49 86 29 64 -20 174 -215 -327 -170 -232 -299 -259 -115 -348 -138 216 163 104 189 339 121 -9 312 11 -160 208 3 -296 -213 -306 -114 -101 -123 -556 -198 -198 -153 -416 -365 -184 -328 -224 90 -120 -368 32 80 19 -115 360 270 82 -176 217 126 -183 -246 -289 -418 -257 -481 5 -406 -155 -320 -39 112 153 150 -15 323 109 229 209 533 352 302 272 302 -15 218 220 94 162 -110 263 168 221 21 -138 254 -38 -294 270 207 -125 61 167 -193 240 102 33 264 53 -121 -19 -212 -387 SQ 20240310T170328.5Z 8835.710747 391 1 49.44 2 89.52 264.55 86.64 261.27 0.00 1 0.00 1 0 22 5.857e-03 5.786e-03 1.635e-03 1.629e-03 2.016299e+04 1.265995e+02 1.353512e+03 -6.000000e+00 3.384343e+02 275.43 -2.00 20.00 -2.00 505.46 0.00e+00 3.122133e-03 4.598732e-05 1.856806e-04 -6.000000e+00 1.661976e-04 275.43 -2.00 20.00 -2.00 500.98 0.00e+00 2.504169e+00 3.273021e-02 1.374611e-01 -6.000000e+00 1.202041e-01 225.83 -2.00 3.53 -2.00 502.50 0.00e+00 19.927 0.150 489.00 513.00 1 6.3758e+00 2.5069e-03 3.7429e-02 -6.0000e+00 9.2393e-03 -3.3636e-02 6.0747e-04 3.9836e-03 -6.0000e+00 2.3401e-03 1.5495e-04 2.2237e-03 1.7513e-04 1.4426e-04 -6.0000e+00 7.5097e-04 -9.0124e-03 3.6308e-05 12 8 8 10 0 0 99.94 18.46 2.02 -0.00901 0.00641 16 4 1 2 0 3089.200 15.00 18.46 17.40 21.79 21.17 15.6 956.19 -650 -98 291 294 712 662 243 948 678 1098 58 216 -833 -418 283 -362 -359 213 368 352 467 256 113 811 262 782 46 29 -1266 -1167 -735 -875 -342 97 455 17 -219 323 -286 -148 621 -221 233 253 587 248 199 503 -449 -491 -604 -877 -954 -611 99 -21 192 349 581 107 825 357 418 362 627 -159 -729 70 37 -385 -1071 -667 -396 -568 -500 -1107 -565 -726 -653 -848 -693 -657 -286 -471 -118 -441 -275 -18 -106 491 625 832 604 674 315 333 296 -458 -519 -1500 -1655 -970 -1262 168 -457 -203 -823 -339 -115 78 168 316 648 491 1196 900 1247 938 135 300 300 -156 77 763 395 506 -316 287 690 458 -145 -496 -76 -258 -450 621 155 73 148 560 589 219 525 266 340 -142 -283 -352 -1131 -730 -568 -87 265 276 685 618 231 901 645 1031 54 200 -772 -404 272 -337 -340 204 359 348 465 256 114 818 266 793 47 29 -1258 -1140 -713 -859 -341 99 448 17 -218 318 -282 -146 611 -222 235 258 603 256 205 508 -449 -481 -610 -878 -957 -591 97 -21 197 360 600 111 856 373 438 377 647 -164 -744 70 36 -380 -1062 -662 -395 -571 -502 -1108 -555 -705 -628 -814 -665 -635 -278 -463 -116 -439 -272 -17 -104 481 614 818 592 648 295 317 272 -413 -461 -1346 -1512 -911 -1181 161 -456 -206 -843 -346 -117 77 167 315 649 495 1209 924 1291 981 142 312 308 -158 78 768 402 518 -328 297 709 470 -149 -507 -77 -264 -468 650 159 77 157 603 643 242 581 295 375 -156 -308 -381 -1232 -798