File name: Pandora55s1_QueensNY_20231029_L2Fit_fwvt1c17d20220526p1-8.txt File generation date: 20231102T172154.1Z Data description: Level 2 spectral fitting results file Data file version: fwvt1c17p1-8 Local principal investigator: Lukas Valin Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 55 Spectrometer number: 1 Processing software version used: BlickP v1.8.49 Instrument operation file used: Pandora55_OF_v5d20190723.txt Instrument calibration file used: Pandora55s1_CF_v17d20220526.txt Level 1 file used: Pandora55s1_QueensNY_20231029_L1_smca1c17d20220526p1-8.txt Full location name: Queens College NYSDEC (USEPA AQS ID 36-081-0124) Short location name: QueensNY Country of location: USA Location latitude [deg]: 40.7361 Location longitude [deg]: -73.8215 Location altitude [m]: 25 Local noon date: 20231029 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: 1689 1839 Nominal wavelengths inside fitting window [nm]: 492.0922 492.2127 492.3331 492.4536 492.5740 492.6944 492.8148 492.9351 493.0555 493.1758 493.2961 493.4164 493.5367 493.6570 493.7772 493.8974 494.0176 494.1378 494.2580 494.3782 494.4983 494.6185 494.7386 494.8587 494.9788 495.0989 495.2189 495.3389 495.4590 495.5790 495.6989 495.8189 495.9389 496.0588 496.1787 496.2986 496.4185 496.5384 496.6582 496.7781 496.8979 497.0177 497.1375 497.2573 497.3770 497.4968 497.6165 497.7362 497.8559 497.9755 498.0952 498.2148 498.3345 498.4541 498.5737 498.6932 498.8128 498.9323 499.0519 499.1714 499.2909 499.4103 499.5298 499.6492 499.7687 499.8881 500.0075 500.1268 500.2462 500.3655 500.4849 500.6042 500.7235 500.8427 500.9620 501.0812 501.2005 501.3197 501.4389 501.5581 501.6772 501.7964 501.9155 502.0346 502.1537 502.2728 502.3918 502.5109 502.6299 502.7489 502.8679 502.9869 503.1059 503.2248 503.3437 503.4626 503.5815 503.7004 503.8193 503.9381 504.0570 504.1758 504.2946 504.4133 504.5321 504.6509 504.7696 504.8883 505.0070 505.1257 505.2443 505.3630 505.4816 505.6002 505.7188 505.8374 505.9560 506.0745 506.1931 506.3116 506.4301 506.5486 506.6670 506.7855 506.9039 507.0223 507.1407 507.2591 507.3775 507.4958 507.6141 507.7325 507.8508 507.9690 508.0873 508.2055 508.3238 508.4420 508.5602 508.6784 508.7965 508.9147 509.0328 509.1509 509.2690 509.3871 509.5052 509.6232 509.7413 509.8593 509.9773 --------------------------------------------------------------------------------------- Column 1: Two letter code of measurement routine Column 2: UT date and time for center-time of measurement, yyyymmddThhmmssZ (ISO 8601) Column 3: Fractional days since 1-Jan-2000 midnight for center-time of measurement Column 4: Routine count (1 for the first routine of the day, 2 for the second, etc.) Column 5: Repetition count (1 for the first set in the routine, 2 for the second, etc.) Column 6: Total duration of measurement set in seconds Column 7: Data processing type index Column 8: Solar zenith angle for center-time of measurement in degree Column 9: Solar azimuth for center-time of measurement in degree, 0=north, increases clockwise Column 10: Lunar zenith angle for center-time of measurement in degree Column 11: Lunar azimuth for center-time of measurement in degree, 0=north, increases clockwise Column 12: Pointing zenith angle in degree, absolute or relative (see next column), 999=tracker not used Column 13: Zenith pointing mode: zenith angle is... 0=absolute, 1=relative to sun, 2=relative to moon Column 14: Pointing azimuth in degree, increases clockwise, absolute (0=north) or relative (see next column), 999=tracker not used Column 15: Azimuth pointing mode: like zenith angle mode but also fixed scattering angles relative to sun (3) or moon (4) Column 16: Fitting result index: 0=no error or warning, 1, 2=warning, >2=error Column 17: Number of function evaluations used, 0=linear fitting or fitting not successful or no fitting done Column 18: rms of unweighted fitting residuals, -9=fitting not successful Column 19: Normalized rms of fitting residuals weighted with independent uncertainty, -9=fitting not successful or no uncertainty used Column 20: Expected rms based on independent uncertainty, -9=fitting not successful or no uncertainty given Column 21: Expected normalized weighted rms based on independent uncertainty, -9=fitting not successful or no uncertainty given Column 22: Water vapor slant column amount [moles per square meter], -9e99=fitting not successful Column 23: Independent uncertainty of water vapor slant column amount [moles per square meter], -1=cross section is zero in this wavelength range, -3=spectral fitting was done, but no independent uncertainty could be retrieved, -5=no independent uncertainty input was given, -9=spectral fitting not successful Column 24: Structured uncertainty of water vapor slant column amount [moles per square meter], -7=not given since method "MEAS" was chosen, -9=spectral fitting not successful Column 25: Common uncertainty of water vapor slant column amount [moles per square meter], -1=cross section is zero in this wavelength range, -6=no common uncertainty input was given, -7=not given since method "MEAS" was chosen, -9=spectral fitting not successful Column 26: rms-based uncertainty of water vapor slant column amount [moles per square meter], -1=cross section is zero in this wavelength range, -3=spectral fitting was done, but no rms-based uncertainty could be retrieved, -9=spectral fitting not successful Column 27: Water vapor effective temperature [K] Column 28: Independent uncertainty of water vapor effective temperature [K], -1=temperature fitting was requested, but cross section is zero in this wavelength range, -2=no temperature fitting was requested and output for effective temperature and structured uncertainty of it is based on f-code, -3=spectral fitting was done, but no independent uncertainty could be retrieved, -4=temperature fitting was requested, but differential optical depth is too small to retrieve the temperature, -5=no independent uncertainty input was given, -9=spectral fitting not successful Column 29: Structured uncertainty of water vapor effective temperature [K], -1=temperature fitting was requested, but cross section is zero in this wavelength range, -4=temperature fitting was requested, but differential optical depth is too small to retrieve the temperature, -9=spectral fitting not successful Column 30: Common uncertainty of water vapor effective temperature [K], -1=temperature fitting was requested, but cross section is zero in this wavelength range, -2=no temperature fitting was requested and output for effective temperature and structured uncertainty of it is based on f-code, -3=spectral fitting was done, but no common uncertainty could be retrieved, -4=temperature fitting was requested, but differential optical depth is too small to retrieve the temperature, -6=no common uncertainty input was given, -9=spectral fitting not successful Column 31: Effective water vapor fitting wavelength [nm], -9=fitting not successful Column 32: Diffuse correction applied before fitting at effective fitting wavelength for water vapor [%], 0=no diffuse correction applied or fitting not requested, >0=measured diffuse correction, <0=(negative value of) calculated diffuse correction Column 33: Nitrogen dioxide slant column amount [moles per square meter], -9e99=fitting not successful Column 34: Independent uncertainty of nitrogen dioxide slant column amount [moles per square meter], -1=cross section is zero in this wavelength range, -3=spectral fitting was done, but no independent uncertainty could be retrieved, -5=no independent uncertainty input was given, -9=spectral fitting not successful Column 35: Structured uncertainty of nitrogen dioxide slant column amount [moles per square meter], -7=not given since method "MEAS" was chosen, -9=spectral fitting not successful Column 36: Common uncertainty of nitrogen dioxide slant column amount [moles per square meter], -1=cross section is zero in this wavelength range, -6=no common uncertainty input was given, -7=not given since method "MEAS" was chosen, -9=spectral fitting not successful Column 37: rms-based uncertainty of nitrogen dioxide slant column amount [moles per square meter], -1=cross section is zero in this wavelength range, -3=spectral fitting was done, but no rms-based uncertainty could be retrieved, -9=spectral fitting not successful Column 38: Nitrogen dioxide effective temperature [K] Column 39: Independent uncertainty of nitrogen dioxide effective temperature [K], -1=temperature fitting was requested, but cross section is zero in this wavelength range, -2=no temperature fitting was requested and output for effective temperature and structured uncertainty of it is based on f-code, -3=spectral fitting was done, but no independent uncertainty could be retrieved, -4=temperature fitting was requested, but differential optical depth is too small to retrieve the temperature, -5=no independent uncertainty input was given, -9=spectral fitting not successful Column 40: Structured uncertainty of nitrogen dioxide effective temperature [K], -1=temperature fitting was requested, but cross section is zero in this wavelength range, -4=temperature fitting was requested, but differential optical depth is too small to retrieve the temperature, -9=spectral fitting not successful Column 41: Common uncertainty of nitrogen dioxide effective temperature [K], -1=temperature fitting was requested, but cross section is zero in this wavelength range, -2=no temperature fitting was requested and output for effective temperature and structured uncertainty of it is based on f-code, -3=spectral fitting was done, but no common uncertainty could be retrieved, -4=temperature fitting was requested, but differential optical depth is too small to retrieve the temperature, -6=no common uncertainty input was given, -9=spectral fitting not successful Column 42: Effective nitrogen dioxide fitting wavelength [nm], -9=fitting not successful Column 43: Diffuse correction applied before fitting at effective fitting wavelength for nitrogen dioxide [%], 0=no diffuse correction applied or fitting not requested, >0=measured diffuse correction, <0=(negative value of) calculated diffuse correction Column 44: Ozone slant column amount [moles per square meter], -9e99=fitting not successful Column 45: Independent uncertainty of ozone slant column amount [moles per square meter], -1=cross section is zero in this wavelength range, -3=spectral fitting was done, but no independent uncertainty could be retrieved, -5=no independent uncertainty input was given, -9=spectral fitting not successful Column 46: Structured uncertainty of ozone slant column amount [moles per square meter], -7=not given since method "MEAS" was chosen, -9=spectral fitting not successful Column 47: Common uncertainty of ozone slant column amount [moles per square meter], -1=cross section is zero in this wavelength range, -6=no common uncertainty input was given, -7=not given since method "MEAS" was chosen, -9=spectral fitting not successful Column 48: rms-based uncertainty of ozone slant column amount [moles per square meter], -1=cross section is zero in this wavelength range, -3=spectral fitting was done, but no rms-based uncertainty could be retrieved, -9=spectral fitting not successful Column 49: Ozone effective temperature [K] Column 50: Independent uncertainty of ozone effective temperature [K], -1=temperature fitting was requested, but cross section is zero in this wavelength range, -2=no temperature fitting was requested and output for effective temperature and structured uncertainty of it is based on f-code, -3=spectral fitting was done, but no independent uncertainty could be retrieved, -4=temperature fitting was requested, but differential optical depth is too small to retrieve the temperature, -5=no independent uncertainty input was given, -9=spectral fitting not successful Column 51: Structured uncertainty of ozone effective temperature [K], -1=temperature fitting was requested, but cross section is zero in this wavelength range, -4=temperature fitting was requested, but differential optical depth is too small to retrieve the temperature, -9=spectral fitting not successful Column 52: Common uncertainty of ozone effective temperature [K], -1=temperature fitting was requested, but cross section is zero in this wavelength range, -2=no temperature fitting was requested and output for effective temperature and structured uncertainty of it is based on f-code, -3=spectral fitting was done, but no common uncertainty could be retrieved, -4=temperature fitting was requested, but differential optical depth is too small to retrieve the temperature, -6=no common uncertainty input was given, -9=spectral fitting not successful Column 53: Effective ozone fitting wavelength [nm], -9=fitting not successful Column 54: Diffuse correction applied before fitting at effective fitting wavelength for ozone [%], 0=no diffuse correction applied or fitting not requested, >0=measured diffuse correction, <0=(negative value of) calculated diffuse correction Column 55: Molecular scattering air mass factor used for molecular scattering subtraction before the fitting Column 56: Estimated uncertainty of molecular scattering air mass factor, -9=molecular scattering was not subtracted before the fitting Column 57: Lower limit used for wavelength scaling [nm] Column 58: Upper limit used for wavelength scaling [nm] Column 59: Order of smoothing polynomial Column 60: Smoothing polynomial coefficient, order 0 Column 61: Independent uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful Column 62: Structured uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful Column 63: Common uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful Column 64: rms-based uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful Column 65: Smoothing polynomial coefficient, order 1 Column 66: Independent uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful Column 67: Structured uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful Column 68: Common uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful Column 69: rms-based uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful Column 70: Mean value of measured data inside fitting window [same units as measurements] Column 71: Wavelength change polynomial coefficient, order 0 Column 72: Independent uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful Column 73: Structured uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful Column 74: Common uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful Column 75: rms-based uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful Column 76: L1 based wavelength change coefficient, order 0, -9=no L1 wavelength change determination Column 77: L1 based wavelength change coefficient, order 1, -9=no L1 wavelength change determination Column 78: L2Fit data quality flag: 0=assured high quality, 1=assured medium quality, 2=assured low quality, 10=not-assured high quality, 11=not-assured medium quality, 12=not-assured low quality Column 79: Sum over 2^i using those i, for which the corresponding L2Fit data quality parameter exceeds the DQ1 limit, 0=L1 data quality above 0, 1=Spectral fitting was not successful, 2=Wavelength shift too large, 3=Normalized rms of fitting residuals weighted with independent uncertainty too large Column 80: Sum over 2^i using those i, for which the corresponding L2Fit data quality parameter exceeds the DQ2 limit (same parameters as for DQ1) Column 81: L1 data quality flag: 0=assured high quality, 1=assured medium quality, 2=assured low quality, 10=not-assured high quality, 11=not-assured medium quality, 12=not-assured low quality Column 82: Sum over 2^i using those i, for which the corresponding L1 data quality parameter exceeds the DQ1 limit, 0=Saturated data, 1=Too few dark counts measurements, 2=No temperature given or effective temperature too different from the reference temperature, 3=Dark count too high, 4=Unsuccessful dark background fitting, 5=The dark count differs significantly from the dark map for too many pixels, 6=Absolute value of estimated average residual stray light level too high, 7=Although attempted, no wavelength change could be retrieved, 8=Absolute value of retrieved wavelength shift too large, 9=Retrieved wavelength shift differs too much from the shift predicted by the effective temperature Column 83: Sum over 2^i using those i, for which the corresponding L1 data quality parameter exceeds the DQ2 limit (same parameters as for DQ1) Column 84: Atmospheric variability [%], 999=no atmospheric variability was determined Column 85: Wavelength effective temperature [°C], 999=no effective temperature given Column 86: Estimated average residual stray light level [%] (only valid for stray light correction methods 2 and higher) Column 87: Retrieved wavelength shift from L1 data [nm], -9=no wavelength change determination Column 88: Retrieved total wavelength shift [nm], -9=no wavelength change fitting Column 89: Number of bright count cycles Column 90: Number of dark count cycles Column 91: Effective position of filterwheel #1, 0=filterwheel not used, 1-9 are valid positions Column 92: Effective position of filterwheel #2, 0=filterwheel not used, 1-9 are valid positions Column 93: Sum over 2^i, 0=spectra were interpolated in time, 1=spectra are corrected for off-target signal Column 94: Integration time [ms] Column 95: Temperature at electronics board [°C], 999=no temperature signal Column 96: Spectrometer control temperature [°C], 999=no temperature signal Column 97: Auxiliary spectrometer temperature [°C], 999=no temperature signal Column 98: Temperature in head sensor [°C], 999=no temperature signal Column 99: Humidity in head sensor [%], -9=no humidity signal Column 100: Pressure in head sensor [hPa], -9=no pressure signal Columns 101-251: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting Columns 252-402: Normalized slant column residuals weighted with independent instrumental uncertainty for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting, 0=no independent instrumental uncertainty was given --------------------------------------------------------------------------------------- SQ 20231029T140836.1Z 8702.589307 332 1 49.88 2 64.44 138.86 107.78 313.86 0.00 1 0.00 1 0 15 2.941e-03 2.934e-03 7.729e-04 7.714e-04 4.674900e+03 4.718699e+01 3.363617e+02 -6.000000e+00 1.580403e+02 282.62 -2.00 20.00 -2.00 505.27 0.00e+00 5.804049e-04 2.091723e-05 3.927903e-05 -6.000000e+00 8.133615e-05 282.62 -2.00 20.00 -2.00 500.43 0.00e+00 1.281540e-01 1.494858e-02 3.115141e-02 -6.000000e+00 5.701779e-02 224.74 -2.00 3.51 -2.00 502.03 0.00e+00 2.303 0.000 489.00 513.00 1 6.7145e+00 1.1443e-03 4.3353e-03 -6.0000e+00 4.3664e-03 2.8014e-03 2.9629e-04 7.8654e-04 -6.0000e+00 1.1404e-03 1.6711e-03 1.3380e-03 6.7647e-05 4.3340e-05 -6.0000e+00 2.6809e-04 1.4137e-02 -1.9291e-04 12 1 1 12 36 4 99.95 17.54 0.92 0.01414 0.02342 23 4 1 4 0 2168.310 26.00 20.01 17.54 18.59 35.9 1007.17 -622 -234 -31 220 462 32 505 431 346 416 32 -83 -218 -221 -57 -256 -31 -59 226 655 240 143 341 -12 36 513 -43 -302 233 -225 -272 -143 -225 -206 85 348 154 -265 -325 -231 -205 -117 -41 24 63 387 266 162 -307 -119 -491 -731 -354 -640 -146 -196 136 334 230 270 15 -51 394 211 120 97 262 -368 -260 -223 -302 -25 -417 90 -209 51 -76 90 -436 -180 -479 -401 44 197 -305 -177 -370 247 168 -231 72 68 106 143 258 27 40 95 -334 -390 -360 -435 -167 -470 10 -99 -426 -168 -337 -293 -298 558 300 71 601 624 94 390 401 484 -52 75 -27 -312 244 242 337 202 229 -7 105 203 -238 -244 4 -250 -204 109 222 337 423 213 14 255 582 38 -188 -115 -305 -511 -391 -608 -231 -31 225 478 33 531 456 365 435 33 -85 -222 -224 -58 -260 -31 -61 237 688 252 151 358 -13 38 541 -45 -316 240 -228 -272 -144 -228 -213 89 366 161 -275 -336 -238 -211 -120 -43 25 66 404 277 167 -315 -120 -488 -718 -344 -626 -144 -198 138 342 235 276 15 -52 403 216 123 98 263 -367 -257 -218 -295 -25 -410 89 -207 51 -75 87 -421 -173 -461 -388 43 192 -299 -174 -365 243 165 -227 71 67 106 143 257 26 38 91 -315 -364 -334 -407 -159 -458 9 -99 -422 -165 -329 -285 -293 550 299 71 600 624 94 393 403 483 -52 74 -26 -304 239 237 329 197 223 -7 102 195 -228 -232 4 -237 -196 106 217 331 417 210 14 254 579 37 -186 -112 -293 -488 -374 SQ 20231029T141702.8Z 8702.595171 338 1 35.12 2 63.41 140.84 108.85 315.55 0.00 1 0.00 1 0 15 2.873e-03 2.860e-03 9.724e-04 9.703e-04 4.645599e+03 5.944982e+01 3.362860e+02 -6.000000e+00 1.543775e+02 282.62 -2.00 20.00 -2.00 505.27 0.00e+00 5.388713e-04 2.630072e-05 3.700602e-05 -6.000000e+00 7.945239e-05 282.62 -2.00 20.00 -2.00 500.41 0.00e+00 7.108782e-02 1.882465e-02 3.036117e-02 -6.000000e+00 5.570419e-02 224.74 -2.00 3.51 -2.00 502.01 0.00e+00 2.221 0.000 489.00 513.00 1 6.0749e+00 1.4408e-03 4.1984e-03 -6.0000e+00 4.2656e-03 3.5252e-03 3.7332e-04 7.7261e-04 -6.0000e+00 1.1142e-03 3.2208e-03 1.4528e-03 8.5105e-05 4.3022e-05 -6.0000e+00 2.6191e-04 1.6106e-02 -2.1458e-04 12 1 1 12 5 5 99.98 17.45 0.80 0.01611 0.02618 31 9 2 4 0 1097.220 26.00 19.97 17.45 18.96 35.9 1009.08 -580 -213 -26 309 355 210 589 251 390 345 -147 17 -7 -171 -158 -35 -42 26 267 459 39 -7 189 -21 -49 389 24 -156 251 -248 -193 -191 -93 -370 -29 508 111 -116 -304 -297 -218 20 -52 43 114 364 382 -37 -502 -39 -258 -793 -241 -616 -175 -45 117 262 264 138 5 66 264 239 -33 224 279 -226 -486 -185 -249 -119 -392 27 -165 -64 -204 43 -414 -92 -434 -473 -49 230 -253 -198 -112 116 -25 -153 86 252 48 299 342 -26 2 85 -273 -338 -441 -279 -286 -651 194 -124 -80 -327 -225 -574 -346 453 392 -9 328 530 306 385 475 531 -60 32 8 -86 295 352 303 49 144 -106 -79 213 -239 -273 85 -247 -231 30 140 509 475 110 9 474 500 95 -251 -189 -229 -588 -236 -567 -210 -26 316 368 220 622 267 413 362 -153 18 -7 -173 -160 -36 -43 27 280 484 41 -7 200 -22 -52 412 26 -164 259 -251 -193 -192 -95 -385 -31 536 116 -121 -315 -305 -224 21 -54 45 119 381 399 -39 -516 -40 -256 -778 -234 -601 -173 -46 119 269 270 141 5 68 271 245 -34 227 279 -224 -480 -181 -242 -115 -384 27 -164 -64 -200 42 -399 -88 -417 -457 -47 223 -248 -195 -110 114 -25 -151 85 250 48 299 340 -26 2 81 -256 -314 -408 -260 -271 -634 192 -124 -79 -321 -219 -559 -340 446 389 -9 328 530 307 388 478 530 -60 32 8 -84 288 343 296 48 140 -103 -77 204 -228 -258 80 -233 -221 29 136 499 467 108 9 470 496 94 -248 -183 -219 -559 -225