File name: Pandora270s1_Warsaw-UW_20260115_L2Fit_fwvt1c6d20231207p1-8.txt File generation date: 20260115T225006.8Z Data description: Level 2 spectral fitting results file Data file version: fwvt1c6p1-8 Local principal investigator: Iwona Stachlewska Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 270 Spectrometer number: 1 Processing software version used: BlickP v1.8.75 Instrument operation file used: Pandora270_OF_v3d20230517.txt Instrument calibration file used: Pandora270s1_CF_v6d20231207.txt Level 1 file used: Pandora270s1_Warsaw-UW_20260115_L1_smca1c6d20231207p1-8.txt Full location name: Warsaw Observatory Station, Faculty of Physics, University of Warsaw Short location name: Warsaw-UW Country of location: Poland Location latitude [deg]: 52.2113 Location longitude [deg]: 20.9828 Location altitude [m]: 137 Local noon date: 20260115 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: 1624 1775 Nominal wavelengths inside fitting window [nm]: 492.0035 492.1240 492.2444 492.3648 492.4851 492.6055 492.7259 492.8462 492.9665 493.0868 493.2071 493.3273 493.4476 493.5678 493.6880 493.8082 493.9284 494.0485 494.1687 494.2888 494.4089 494.5290 494.6491 494.7691 494.8892 495.0092 495.1292 495.2492 495.3692 495.4891 495.6091 495.7290 495.8489 495.9688 496.0886 496.2085 496.3283 496.4482 496.5680 496.6878 496.8075 496.9273 497.0470 497.1667 497.2864 497.4061 497.5258 497.6454 497.7651 497.8847 498.0043 498.1239 498.2434 498.3630 498.4825 498.6020 498.7215 498.8410 498.9605 499.0799 499.1994 499.3188 499.4382 499.5576 499.6769 499.7963 499.9156 500.0349 500.1542 500.2735 500.3928 500.5120 500.6312 500.7504 500.8696 500.9888 501.1080 501.2271 501.3462 501.4654 501.5844 501.7035 501.8226 501.9416 502.0606 502.1797 502.2986 502.4176 502.5366 502.6555 502.7744 502.8933 503.0122 503.1311 503.2499 503.3688 503.4876 503.6064 503.7252 503.8440 503.9627 504.0814 504.2002 504.3189 504.4375 504.5562 504.6749 504.7935 504.9121 505.0307 505.1493 505.2678 505.3864 505.5049 505.6234 505.7419 505.8604 505.9789 506.0973 506.2157 506.3341 506.4525 506.5709 506.6893 506.8076 506.9259 507.0442 507.1625 507.2808 507.3991 507.5173 507.6355 507.7537 507.8719 507.9901 508.1082 508.2264 508.3445 508.4626 508.5807 508.6987 508.8168 508.9348 509.0528 509.1708 509.2888 509.4068 509.5247 509.6426 509.7605 509.8784 509.9963 --------------------------------------------------------------------------------------- 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 102-253: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting Columns 254-405: 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 20260115T115408.7Z 9511.495934 187 1 12.13 2 74.80 196.58 95.69 228.74 0.00 1 0.00 1 0 15 3.065e-03 3.044e-03 8.300e-04 8.291e-04 1.182728e+03 4.321438e+01 1.002250e+02 -6.000000e+00 1.545747e+02 265.90 -2.00 20.00 -2.00 505.27 0.00e+00 9.027841e-04 2.153962e-05 4.891216e-05 -6.000000e+00 8.131291e-05 265.90 -2.00 20.00 -2.00 500.56 0.00e+00 3.767923e-01 1.598142e-02 1.129797e-02 -6.000000e+00 5.966728e-02 221.58 -2.00 3.84 -2.00 502.14 0.00e+00 3.743 0.001 489.00 513.00 1 6.4473e+00 1.2170e-03 5.4445e-03 -6.0000e+00 4.5472e-03 1.0756e-02 3.1746e-04 3.7453e-04 -6.0000e+00 1.1878e-03 1.7717e-03 6.8609e-04 7.4692e-05 2.2352e-05 -6.0000e+00 2.8164e-04 -3.1998e-03 -8.0169e-05 12 1 1 12 1 1 79.21 25.65 1.62 -0.00320 0.00156 10 5 1 2 0 1102.170 20.00 25.65 8.94 34.50 33.50 3.8 886.42 900000 -676 -321 -118 -27 90 500 528 464 341 315 302 101 -140 -404 -400 -174 -159 184 53 109 221 120 118 243 194 353 356 118 -340 -229 -318 -392 -108 312 90 92 25 -42 -339 -58 -158 -15 31 344 252 157 347 354 159 -263 -485 -675 -865 -429 -223 -221 -93 -33 -20 75 49 359 149 437 154 34 431 154 -431 -555 -193 -121 -176 146 251 -77 -183 -309 -334 -188 -182 -193 -460 -128 16 -267 -115 -164 -310 -127 -182 273 368 329 359 402 232 -171 -522 -579 -668 -593 -55 120 -49 -65 -51 -269 -390 -141 -36 79 -20 319 159 380 532 488 379 293 222 122 33 417 -75 -34 265 -10 225 488 100 -63 129 -464 -311 -76 143 -130 85 293 9 85 204 328 591 287 35 -380 -611 -523 -413 900000 -657 -313 -118 -27 92 514 551 486 355 322 311 102 -140 -407 -404 -173 -161 189 55 113 229 125 122 253 203 368 368 122 -342 -227 -314 -390 -108 318 94 96 26 -43 -349 -59 -162 -15 32 356 264 162 359 361 162 -262 -476 -662 -844 -423 -222 -223 -94 -34 -21 76 49 365 152 445 156 35 427 152 -428 -544 -187 -118 -174 143 248 -75 -180 -299 -319 -183 -174 -187 -451 -126 16 -264 -114 -162 -307 -126 -179 272 372 334 360 397 229 -165 -500 -555 -639 -566 -53 117 -49 -65 -51 -262 -384 -139 -35 79 -20 322 162 381 537 492 386 294 219 121 33 412 -75 -34 264 -10 223 484 99 -61 125 -447 -298 -74 139 -127 84 292 9 84 203 329 592 286 35 -371 -594 -504 -401 SQ 20260115T115443.1Z 9511.496332 189 1 11.44 2 74.82 196.72 95.75 228.85 0.00 1 0.00 1 0 15 3.019e-03 3.000e-03 5.632e-04 5.626e-04 1.284170e+03 2.945166e+01 1.099786e+02 -6.000000e+00 1.522788e+02 265.90 -2.00 20.00 -2.00 505.27 0.00e+00 9.118157e-04 1.460840e-05 4.990192e-05 -6.000000e+00 8.010677e-05 265.90 -2.00 20.00 -2.00 500.57 0.00e+00 3.475051e-01 1.084660e-02 1.164002e-02 -6.000000e+00 5.878863e-02 221.58 -2.00 3.84 -2.00 502.14 0.00e+00 3.749 0.001 489.00 513.00 1 5.6774e+00 8.2618e-04 5.4633e-03 -6.0000e+00 4.4802e-03 1.0977e-02 2.1520e-04 3.8417e-04 -6.0000e+00 1.1705e-03 3.8299e-03 8.1996e-04 5.0611e-05 2.3704e-05 -6.0000e+00 2.7748e-04 -3.8870e-03 -8.4641e-05 12 1 1 12 1 1 61.42 25.65 1.61 -0.00389 0.00180 21 11 1 2 0 519.880 20.00 25.65 8.90 34.75 33.50 3.8 886.37 900000 -665 -365 -178 44 292 605 480 592 377 366 317 23 -280 -322 -320 -235 -147 40 106 38 183 125 114 223 209 287 470 96 -379 -429 -382 -595 51 261 24 200 52 -32 -277 -209 -75 -66 103 229 406 247 407 280 241 -305 -430 -626 -828 -474 -228 -252 3 61 -1 -74 247 266 117 323 282 29 39 27 -351 -495 -235 -171 -121 23 166 -123 -71 -259 -320 -386 -214 -325 -258 -212 87 -114 -124 -160 -51 -114 -151 363 445 220 343 427 120 -115 -466 -543 -752 -564 -229 155 -30 -3 -70 -343 -400 -156 -81 57 66 262 224 555 350 416 304 265 190 -8 106 268 118 7 300 87 248 378 -17 31 92 -251 -366 -97 -18 -109 170 156 144 239 229 340 391 282 125 -535 -387 -528 -385 900000 -639 -358 -177 44 300 622 495 612 393 375 326 24 -280 -323 -322 -235 -149 42 109 40 191 130 119 234 217 296 488 98 -382 -426 -383 -593 51 268 25 207 54 -32 -282 -214 -76 -67 106 236 420 256 418 288 243 -304 -422 -610 -804 -465 -227 -256 3 63 -2 -76 251 272 119 331 287 29 39 27 -347 -484 -228 -167 -119 23 165 -122 -70 -250 -311 -373 -209 -316 -252 -209 85 -113 -122 -159 -50 -112 -149 363 446 221 342 424 119 -111 -446 -517 -717 -538 -222 153 -30 -3 -70 -337 -390 -152 -81 57 66 263 227 563 354 420 309 265 190 -8 105 263 117 7 297 86 245 371 -17 30 89 -242 -352 -94 -17 -108 169 155 144 240 231 340 392 281 125 -528 -378 -512 -376