File name: Pandora145s1_Toronto-Scarborough_20241115_L2Fit_fwvt1c9d20230821p1-8.txt File generation date: 20241123T101755.5Z Data description: Level 2 spectral fitting results file Data file version: fwvt1c9p1-8 Local principal investigator: Vitali Fioletov Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 145 Spectrometer number: 1 Processing software version used: BlickP v1.8.60 Instrument operation file used: Pandora145_OF_v5d20190718.txt Instrument calibration file used: Pandora145s1_CF_v9d20230821.txt Level 1 file used: Pandora145s1_Toronto-Scarborough_20241115_L1_smca1c9d20230821p1-8.txt Full location name: University of Toronto - Scarborough Short location name: Toronto-Scarborough Country of location: Canada Location latitude [deg]: 43.7843 Location longitude [deg]: -79.1874 Location altitude [m]: 137 Local noon date: 20241115 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: field cal for autumn2023 ff, based on Session 8(7) First and last pixel inside fitting window: 1647 1796 Nominal wavelengths inside fitting window [nm]: 492.0731 492.1943 492.3153 492.4364 492.5575 492.6785 492.7995 492.9205 493.0415 493.1625 493.2834 493.4044 493.5253 493.6462 493.7671 493.8880 494.0088 494.1297 494.2505 494.3713 494.4921 494.6128 494.7336 494.8543 494.9751 495.0958 495.2165 495.3371 495.4578 495.5784 495.6990 495.8197 495.9402 496.0608 496.1814 496.3019 496.4224 496.5429 496.6634 496.7839 496.9044 497.0248 497.1452 497.2656 497.3860 497.5064 497.6267 497.7471 497.8674 497.9877 498.1080 498.2283 498.3485 498.4688 498.5890 498.7092 498.8294 498.9495 499.0697 499.1898 499.3100 499.4301 499.5502 499.6702 499.7903 499.9103 500.0303 500.1503 500.2703 500.3903 500.5103 500.6302 500.7501 500.8700 500.9899 501.1098 501.2296 501.3495 501.4693 501.5891 501.7089 501.8286 501.9484 502.0681 502.1878 502.3075 502.4272 502.5469 502.6665 502.7862 502.9058 503.0254 503.1450 503.2645 503.3841 503.5036 503.6231 503.7426 503.8621 503.9816 504.1010 504.2205 504.3399 504.4593 504.5786 504.6980 504.8174 504.9367 505.0560 505.1753 505.2946 505.4138 505.5331 505.6523 505.7715 505.8907 506.0099 506.1290 506.2482 506.3673 506.4864 506.6055 506.7246 506.8436 506.9627 507.0817 507.2007 507.3197 507.4387 507.5576 507.6766 507.7955 507.9144 508.0333 508.1522 508.2710 508.3899 508.5087 508.6275 508.7463 508.8650 508.9838 509.1025 509.2212 509.3399 509.4586 509.5773 509.6959 509.8146 509.9332 --------------------------------------------------------------------------------------- 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 101-250: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting Columns 251-400: 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 20241115T161052.5Z 9085.674219 449 1 28.87 2 63.57 166.61 115.24 351.30 0.00 1 0.00 1 0 15 3.625e-03 3.611e-03 1.349e-03 1.345e-03 2.489662e+03 7.606542e+01 1.868614e+02 -6.000000e+00 1.879479e+02 277.31 -2.00 20.00 -2.00 505.25 0.00e+00 7.675706e-04 3.581719e-05 4.551250e-05 -6.000000e+00 9.864712e-05 277.31 -2.00 20.00 -2.00 500.35 0.00e+00 1.461634e-01 2.607399e-02 1.874612e-02 -6.000000e+00 7.013520e-02 222.57 -2.00 3.57 -2.00 501.95 0.00e+00 2.234 0.000 489.00 513.00 1 7.8111e+00 1.9887e-03 3.6848e-03 -6.0000e+00 5.3534e-03 1.1046e-02 5.2425e-04 4.7314e-04 -6.0000e+00 1.4131e-03 5.6639e-04 4.0961e-04 1.1184e-04 2.8146e-05 -6.0000e+00 3.0883e-04 -7.6251e-03 2.0286e-05 10 0 0 10 0 0 27.89 18.15 0.77 -0.00763 -0.00478 9 9 1 4 0 3206.760 22.80 15.00 18.15 18.12 24.4 1069.90 -1135 -395 -71 -41 450 526 532 600 528 483 -110 -74 -24 -228 -624 -415 -325 -138 83 297 223 7 112 156 194 598 111 68 20 -266 -781 -665 -40 -98 409 749 178 -173 -50 -85 -276 23 297 235 298 419 363 54 -293 -252 -484 -903 -700 -505 -528 -144 275 390 197 167 282 495 367 210 113 344 -92 -191 -296 -314 -383 -610 -27 -58 182 334 43 -339 -476 -338 -414 -184 -231 -416 -1 47 -241 -361 -229 -149 114 377 160 432 305 334 195 -136 -544 -737 -845 -457 158 -15 247 146 -202 -391 -293 -358 105 74 383 227 624 515 282 455 408 31 144 19 -288 53 416 138 444 132 -63 249 39 -12 -328 -149 -416 -343 -46 391 141 142 72 223 177 317 451 -36 -84 -356 -523 -694 -1114 -392 -71 -42 472 542 559 635 557 502 -113 -78 -25 -233 -635 -424 -337 -141 87 315 237 7 119 166 207 637 118 72 20 -272 -790 -676 -39 -102 437 800 188 -181 -52 -87 -283 24 310 249 318 448 385 57 -303 -252 -488 -890 -681 -496 -518 -145 283 404 203 172 290 512 382 219 116 348 -91 -189 -288 -301 -365 -587 -26 -57 180 328 42 -322 -464 -328 -390 -175 -221 -402 -1 47 -238 -356 -226 -148 114 381 159 429 298 332 190 -129 -503 -696 -798 -423 151 -14 244 143 -196 -386 -286 -342 102 73 380 227 626 520 288 464 411 31 140 18 -276 51 402 134 429 127 -61 240 38 -11 -314 -140 -393 -319 -44 378 138 140 71 222 172 309 439 -35 -82 -338 -488 -649 SQ 20241115T194137.2Z 9085.820569 592 1 31.18 2 72.49 219.69 104.60 39.71 0.00 1 0.00 1 0 15 3.546e-03 3.528e-03 1.396e-03 1.392e-03 3.005410e+03 7.980779e+01 2.326200e+02 -6.000000e+00 1.838420e+02 277.29 -2.00 20.00 -2.00 505.26 0.00e+00 1.867159e-03 3.710181e-05 1.040192e-04 -6.000000e+00 9.649625e-05 277.29 -2.00 20.00 -2.00 500.39 0.00e+00 2.611242e-01 2.698648e-02 2.428848e-02 -6.000000e+00 6.860102e-02 222.56 -2.00 3.57 -2.00 501.99 0.00e+00 3.277 0.001 489.00 513.00 1 7.7587e+00 2.0599e-03 5.6140e-03 -6.0000e+00 5.2364e-03 1.2385e-02 5.4015e-04 5.7822e-04 -6.0000e+00 1.3820e-03 5.0287e-04 4.1295e-04 1.1538e-04 4.2497e-05 -6.0000e+00 3.0210e-04 -7.8446e-03 3.1779e-05 10 0 0 10 0 0 97.85 18.32 0.70 -0.00784 -0.00498 10 10 1 4 0 3116.830 23.01 14.99 18.32 20.47 24.4 1083.17 -786 -415 -377 277 401 400 484 801 571 285 190 119 -316 -633 -336 -572 76 -255 63 -3 51 -192 319 150 267 499 446 107 -16 -633 -759 -244 -233 215 333 407 -159 -153 -24 -254 -212 -74 224 260 458 433 346 29 -6 -181 -383 -847 -724 -687 -379 -43 154 15 299 18 374 183 381 610 551 60 -51 26 -279 -203 -467 -636 94 164 -104 -163 60 -331 -622 -407 -446 -329 253 -22 -36 -106 95 -387 -556 -143 190 316 141 225 504 386 397 -82 -533 -485 -657 -485 -402 -42 278 212 17 -204 -312 -144 81 155 532 408 392 541 350 142 301 62 -103 -258 -78 -88 292 226 -51 19 80 63 -107 -143 -429 63 -418 -409 -163 512 -40 170 332 309 301 337 422 161 82 -415 -582 -436 -782 -403 -381 289 412 419 517 860 611 301 197 122 -320 -633 -346 -572 77 -265 67 -3 54 -199 342 156 279 520 464 110 -16 -634 -750 -241 -236 226 349 427 -166 -157 -25 -265 -222 -75 230 271 480 455 362 30 -6 -186 -380 -823 -695 -668 -380 -43 157 15 306 18 381 188 393 626 560 60 -50 26 -280 -200 -458 -629 93 165 -102 -159 59 -322 -601 -391 -431 -321 246 -21 -35 -103 92 -376 -541 -139 186 314 143 228 501 377 379 -79 -503 -449 -608 -457 -379 -41 278 211 16 -197 -299 -139 80 155 520 403 389 538 352 143 300 61 -103 -254 -76 -87 289 224 -49 19 79 60 -105 -138 -407 59 -392 -391 -160 490 -39 166 327 305 299 336 420 159 79 -390 -557 -417