File name: Pandora206s1_BuffaloNY_20230123_L2Fit_fwvt1c4d20220512p1-8.txt File generation date: 20241121T051331.4Z Data description: Level 2 spectral fitting results file Data file version: fwvt1c4p1-8 Local principal investigator: ---- Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 206 Spectrometer number: 1 Processing software version used: BlickP v1.8.60 Instrument operation file used: Pandora206_OF_v2d20211008.txt Instrument calibration file used: Pandora206s1_CF_v4d20220512.txt Level 1 file used: Pandora206s1_BuffaloNY_20230123_L1_smca1c4d20220512p1-8.txt Full location name: University at Buffalo Short location name: BuffaloNY Country of location: Canada Location latitude [deg]: 43.0015 Location longitude [deg]: -78.7869 Location altitude [m]: 190 Local noon date: 20230123 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: 1643 1793 Nominal wavelengths inside fitting window [nm]: 492.0227 492.1437 492.2647 492.3857 492.5066 492.6276 492.7485 492.8694 492.9903 493.1112 493.2321 493.3529 493.4738 493.5946 493.7154 493.8362 493.9569 494.0777 494.1984 494.3191 494.4398 494.5605 494.6812 494.8018 494.9224 495.0430 495.1636 495.2842 495.4048 495.5253 495.6459 495.7664 495.8869 496.0073 496.1278 496.2482 496.3687 496.4891 496.6095 496.7298 496.8502 496.9705 497.0909 497.2112 497.3315 497.4517 497.5720 497.6922 497.8125 497.9327 498.0528 498.1730 498.2932 498.4133 498.5334 498.6535 498.7736 498.8937 499.0137 499.1338 499.2538 499.3738 499.4938 499.6137 499.7337 499.8536 499.9735 500.0934 500.2133 500.3332 500.4530 500.5729 500.6927 500.8125 500.9322 501.0520 501.1717 501.2915 501.4112 501.5309 501.6505 501.7702 501.8898 502.0095 502.1291 502.2487 502.3682 502.4878 502.6073 502.7268 502.8464 502.9658 503.0853 503.2048 503.3242 503.4436 503.5630 503.6824 503.8018 503.9211 504.0404 504.1598 504.2790 504.3983 504.5176 504.6368 504.7561 504.8753 504.9945 505.1136 505.2328 505.3519 505.4711 505.5902 505.7093 505.8283 505.9474 506.0664 506.1854 506.3044 506.4234 506.5424 506.6613 506.7803 506.8992 507.0181 507.1370 507.2558 507.3747 507.4935 507.6123 507.7311 507.8499 507.9687 508.0874 508.2061 508.3248 508.4435 508.5622 508.6808 508.7995 508.9181 509.0367 509.1553 509.2739 509.3924 509.5109 509.6295 509.7480 509.8664 509.9849 --------------------------------------------------------------------------------------- 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 102-252: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting Columns 253-403: 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 20230123T170653.9Z 8423.713124 140 1 28.00 2 62.56 174.66 67.15 145.35 0.00 1 0.00 1 0 15 5.087e-03 5.080e-03 3.630e-03 3.609e-03 1.476304e+03 2.122100e+02 1.184213e+02 -6.000000e+00 2.781457e+02 272.40 -2.00 20.00 -2.00 505.22 0.00e+00 4.514266e-04 9.728549e-05 1.843136e-05 -6.000000e+00 1.404394e-04 272.40 -2.00 20.00 -2.00 500.15 0.00e+00 2.311953e-01 7.274996e-02 1.030249e-02 -6.000000e+00 1.016515e-01 223.79 -2.00 3.55 -2.00 501.78 0.00e+00 2.159 0.000 489.00 513.00 1 9.3146e+00 5.5760e-03 3.1720e-03 -6.0000e+00 7.7878e-03 1.7131e-02 1.4242e-03 3.1072e-04 -6.0000e+00 1.9914e-03 1.2765e-04 1.1475e-03 3.8366e-04 1.6084e-05 -6.0000e+00 5.5663e-04 -1.2625e-03 -5.4939e-06 12 8 8 10 0 0 -59.71 17.61 1.98 -0.00126 0.00670 7 7 2 2 0 4000.000 15.00 17.61 6.06 21.17 20.96 13.9 940.20 -810 -825 -876 -464 68 365 633 576 626 293 -303 -12 -437 -877 -328 -541 153 -638 53 254 304 -65 -133 510 -28 -49 462 506 801 283 -498 -570 -393 213 411 483 292 713 392 -718 -224 -30 167 125 -270 435 329 292 604 -1241 -801 -698 -283 -1522 -135 -178 232 263 882 500 915 821 -360 481 361 528 -409 -402 -246 42 -5 882 -318 -1 1185 60 -456 -1073 -544 -814 65 -402 -108 -408 383 -197 -243 -228 -218 136 247 618 775 960 -38 206 300 677 -10 -852 -906 -489 -329 -26 96 -409 55 -583 92 -972 547 -295 1113 -8 434 651 655 442 252 372 -355 -103 -640 287 -143 282 -30 413 130 -541 518 -245 -611 -120 -474 -681 128 -51 -311 154 -229 56 135 -348 44 -39 526 -24 175 -646 -270 -828 -848 -889 -484 73 398 699 619 673 314 -322 -13 -469 -932 -344 -569 162 -668 56 273 329 -71 -145 554 -31 -54 501 542 838 290 -503 -575 -401 222 440 523 316 761 415 -761 -236 -32 177 135 -293 470 355 311 631 -1290 -807 -685 -273 -1489 -133 -180 239 274 919 523 951 826 -367 486 364 543 -419 -405 -245 42 -5 849 -312 -1 1167 60 -450 -1049 -523 -781 62 -387 -105 -385 362 -189 -234 -220 -211 131 240 606 767 953 -38 202 288 634 -9 -777 -820 -445 -307 -25 94 -407 54 -569 89 -945 529 -282 1063 -8 425 640 646 436 248 361 -342 -97 -605 269 -135 266 -28 388 122 -510 479 -225 -556 -107 -425 -616 117 -47 -295 147 -221 54 131 -341 43 -37 500 -22 160 -592 -248 SQ 20230123T175351.1Z 8423.745731 159 1 29.45 2 62.69 187.13 62.93 156.50 0.00 1 0.00 1 0 15 3.102e-03 3.090e-03 7.975e-04 7.950e-04 6.158249e+02 4.428008e+01 5.533284e+01 -6.000000e+00 1.696137e+02 272.40 -2.00 20.00 -2.00 505.24 0.00e+00 5.072473e-04 2.146572e-05 2.777443e-05 -6.000000e+00 8.564130e-05 272.40 -2.00 20.00 -2.00 500.29 0.00e+00 1.839606e-01 1.590512e-02 5.250604e-03 -6.000000e+00 6.199381e-02 223.79 -2.00 3.55 -2.00 501.90 0.00e+00 2.168 0.000 489.00 513.00 1 6.7342e+00 1.2196e-03 3.1252e-03 -6.0000e+00 4.7494e-03 1.9161e-02 3.1224e-04 1.9725e-04 -6.0000e+00 1.2147e-03 1.6907e-03 1.5310e-03 8.4771e-05 1.3239e-05 -6.0000e+00 3.3944e-04 6.5319e-03 -6.1842e-05 10 0 0 10 0 0 97.50 17.60 2.20 0.00653 0.01715 18 18 1 2 0 1635.650 15.00 17.60 7.37 21.17 20.96 14.0 949.47 -605 -754 -393 -47 166 329 624 531 606 372 204 -19 -28 -192 -313 -444 -253 -188 147 240 58 373 153 167 236 158 44 -60 156 -244 -469 -461 -229 -2 310 246 177 344 91 -165 -170 -30 76 136 206 351 308 189 -92 -266 -512 -545 -833 -775 -448 -169 108 231 305 236 387 423 382 283 240 139 -91 -122 -56 -204 -262 -220 -270 -110 31 101 -166 -373 -333 -444 -424 -134 -220 -194 31 -20 12 -59 21 -140 -23 -61 332 542 483 138 55 76 -66 -503 -731 -537 -467 -258 112 16 -216 -195 -271 -329 -9 85 208 333 460 485 293 436 257 -6 73 21 -6 124 340 126 168 355 118 112 548 17 -339 -261 -281 -263 -2 -30 -15 361 309 257 171 265 -41 134 -5 -85 -334 -599 -516 -607 -762 -397 -49 174 351 660 568 648 395 214 -20 -29 -198 -321 -457 -262 -200 155 257 63 403 162 178 251 168 46 -64 163 -249 -481 -472 -238 -2 323 260 186 359 96 -173 -178 -32 78 142 217 370 323 197 -96 -272 -511 -543 -820 -764 -449 -170 111 234 311 241 393 431 391 289 244 140 -92 -122 -55 -199 -254 -212 -263 -108 31 100 -162 -360 -318 -423 -404 -128 -212 -189 31 -20 11 -58 21 -137 -22 -60 327 536 476 138 54 73 -63 -476 -687 -508 -443 -252 109 15 -210 -187 -264 -322 -9 83 206 327 453 481 292 433 254 -6 71 20 -6 120 328 122 163 343 114 107 522 16 -317 -246 -263 -248 -2 -29 -14 346 298 249 167 259 -40 130 -5 -80 -315 -561 -485