File name: Pandora186s1_MadisonCT_20240129_L2Fit_fwvt1c2d20210922p1-8.txt File generation date: 20240130T050858.0Z Data description: Level 2 spectral fitting results file Data file version: fwvt1c2p1-8 Local principal investigator: Lukas Valin Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 186 Spectrometer number: 1 Processing software version used: BlickP v1.8.59 Instrument operation file used: Pandora186_OF_v4d20210803.txt Instrument calibration file used: Pandora186s1_CF_v2d20210922.txt Level 1 file used: Pandora186s1_MadisonCT_20240129_L1_smca1c2d20210922p1-8.txt Full location name: Madison - Hammonasset State Park CTDEEP (USEPA AQS ID 09-009-9002) Short location name: MadisonCT Country of location: USA Location latitude [deg]: 41.2568 Location longitude [deg]: -72.5533 Location altitude [m]: 3 Local noon date: 20240129 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: None First and last pixel inside fitting window: 1616 1765 Nominal wavelengths inside fitting window [nm]: 492.0785 492.1996 492.3208 492.4419 492.5631 492.6842 492.8053 492.9264 493.0474 493.1685 493.2895 493.4105 493.5315 493.6525 493.7734 493.8944 494.0153 494.1362 494.2571 494.3780 494.4988 494.6197 494.7405 494.8613 494.9821 495.1029 495.2236 495.3444 495.4651 495.5858 495.7065 495.8272 495.9478 496.0685 496.1891 496.3097 496.4303 496.5509 496.6714 496.7920 496.9125 497.0330 497.1535 497.2740 497.3944 497.5149 497.6353 497.7557 497.8761 497.9965 498.1168 498.2371 498.3575 498.4778 498.5981 498.7183 498.8386 498.9588 499.0790 499.1992 499.3194 499.4396 499.5597 499.6799 499.8000 499.9201 500.0402 500.1602 500.2803 500.4003 500.5203 500.6403 500.7603 500.8803 501.0002 501.1202 501.2401 501.3600 501.4799 501.5997 501.7196 501.8394 501.9592 502.0790 502.1988 502.3185 502.4383 502.5580 502.6777 502.7974 502.9171 503.0368 503.1564 503.2760 503.3956 503.5152 503.6348 503.7543 503.8739 503.9934 504.1129 504.2324 504.3519 504.4713 504.5908 504.7102 504.8296 504.9490 505.0683 505.1877 505.3070 505.4263 505.5456 505.6649 505.7842 505.9034 506.0227 506.1419 506.2611 506.3803 506.4994 506.6186 506.7377 506.8568 506.9759 507.0950 507.2140 507.3331 507.4521 507.5711 507.6901 507.8091 507.9281 508.0470 508.1659 508.2848 508.4037 508.5226 508.6414 508.7603 508.8791 508.9979 509.1167 509.2354 509.3542 509.4729 509.5916 509.7103 509.8290 509.9477 --------------------------------------------------------------------------------------- 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 20240129T152707.0Z 8794.643831 355 1 49.56 2 63.26 154.28 105.12 290.43 0.00 1 0.00 1 0 15 3.758e-03 3.705e-03 1.746e-03 1.739e-03 1.891824e+03 9.631143e+01 1.473562e+02 -6.000000e+00 1.919673e+02 274.99 -2.00 20.00 -2.00 505.26 0.00e+00 6.216974e-04 4.584323e-05 3.623336e-05 -6.000000e+00 1.013913e-04 274.99 -2.00 20.00 -2.00 500.32 0.00e+00 2.239815e-01 3.367814e-02 1.429431e-02 -6.000000e+00 7.240364e-02 224.24 -2.00 3.52 -2.00 501.94 0.00e+00 2.210 0.000 489.00 513.00 1 8.3913e+00 2.5674e-03 3.4915e-03 -6.0000e+00 5.5237e-03 1.4050e-02 6.7611e-04 3.8420e-04 -6.0000e+00 1.4539e-03 3.1590e-04 5.5966e-04 1.3901e-04 2.1515e-05 -6.0000e+00 3.0837e-04 1.3405e-03 1.9771e-04 10 0 0 10 0 0 99.53 19.72 1.53 0.00134 0.00522 24 4 1 4 0 2064.590 22.50 15.00 19.72 8.85 23.7 940.20 -993 -662 -159 516 229 332 636 92 432 146 433 -55 -27 -616 -172 -68 220 -253 441 399 448 163 135 265 -104 352 -4 -86 -479 -424 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-439 354 104 230 206 856 72 915 309 576 -20 149 -223 -193 344 329 63 368 186 38 528 -430 -154 -804 -128 -609 73 -51 506 501 510 -30 -170 508 10 549 63 112 -407 -286 -949 SQ 20240129T153536.9Z 8794.649733 361 1 50.46 2 62.59 156.42 106.59 291.92 0.00 1 0.00 1 0 15 3.615e-03 3.580e-03 1.107e-03 1.104e-03 1.658663e+03 6.022143e+01 1.218539e+02 -6.000000e+00 1.846670e+02 274.99 -2.00 20.00 -2.00 505.26 0.00e+00 5.747143e-04 2.911029e-05 3.543700e-05 -6.000000e+00 9.753078e-05 274.99 -2.00 20.00 -2.00 500.37 0.00e+00 1.960327e-01 2.130175e-02 1.447405e-02 -6.000000e+00 6.966008e-02 224.24 -2.00 3.52 -2.00 501.97 0.00e+00 2.161 0.000 489.00 513.00 1 7.9113e+00 1.6244e-03 3.4186e-03 -6.0000e+00 5.3142e-03 1.5765e-02 4.2780e-04 3.6674e-04 -6.0000e+00 1.3990e-03 5.1576e-04 9.0680e-04 8.8436e-05 1.8768e-05 -6.0000e+00 2.9664e-04 1.7698e-03 1.8225e-04 10 0 0 10 0 0 99.92 19.72 1.40 0.00177 0.00806 16 3 1 4 0 3153.000 22.50 15.01 19.72 8.81 23.7 939.66 -1055 -757 75 161 407 304 705 782 470 215 262 174 -304 -364 -510 -85 -106 -40 111 444 248 30 85 27 106 230 264 38 -291 -723 -595 -461 69 124 580 176 -109 76 -239 -294 -141 312 169 389 256 391 332 251 -183 -209 -679 -699 -706 -480 -231 81 309 67 155 -103 82 109 440 230 283 35 -212 -245 -429 -610 -437 -142 23 10 146 45 -124 2 -467 -347 -212 -174 -206 -43 -63 77 62 -260 -441 -164 63 -114 297 393 -59 260 134 -424 -565 -859 -234 -261 -127 -7 356 90 -314 -641 -389 -66 -95 -57 348 411 729 463 528 522 421 168 69 154 -168 342 267 89 132 393 229 61 184 -413 -279 -431 -638 -342 110 456 178 366 688 283 375 158 150 -28 -123 -731 -585 -500 -1024 -745 76 167 426 323 753 839 502 227 274 181 -312 -370 -520 -87 -110 -43 119 475 265 32 91 29 114 246 281 40 -299 -727 -596 -464 70 131 620 187 -115 79 -247 -304 -146 324 177 410 272 414 348 261 -188 -210 -667 -678 -681 -469 -231 83 317 70 159 -106 84 112 453 236 288 35 -211 -242 -419 -590 -422 -138 23 10 145 44 -120 2 -443 -329 -203 -168 -198 -42 -62 76 60 -254 -433 -161 62 -114 300 393 -59 253 128 -400 -523 -790 -216 -245 -122 -7 355 89 -307 -618 -374 -64 -93 -57 348 412 730 466 534 526 419 165 67 149 -162 333 260 87 128 380 222 59 176 -389 -260 -398 -592 -322 105 439 173 357 670 277 368 156 148 -27 -118 -686 -544 -468