File name: Pandora153s1_ChelseaMA_20250506_L2Fit_fwvt1c7d20240424p1-8.txt
File generation date: 20250507T152821.8Z
Data description: Level 2 spectral fitting results file
Data file version: fwvt1c7p1-8
Local principal investigator: Jeff Geddes
Network principal investigator: Alexander Cede
Instrument type: Pandora
Instrument number: 153
Spectrometer number: 1
Processing software version used: BlickP v1.8.75
Instrument operation file used: Pandora153_OF_v3d20200209.txt
Instrument calibration file used: Pandora153s1_CF_v7d20240424.txt
Level 1 file used: Pandora153s1_ChelseaMA_20250506_L1_smca1c7d20240424p1-8.txt
Full location name: Chelsea, Massachusetts
Short location name: ChelseaMA
Country of location: United States
Location latitude [deg]: 42.3946
Location longitude [deg]: -71.0307
Location altitude [m]: 30
Local noon date: 20250506
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: AnaFld of OoB session 6.
First and last pixel inside fitting window: 1650 1799
Nominal wavelengths inside fitting window [nm]: 492.0264 492.1477 492.2689 492.3900 492.5112 492.6324 492.7535 492.8746 492.9957 493.1168 493.2379 493.3590 493.4800 493.6010 493.7220 493.8430 493.9640 494.0849 494.2059 494.3268 494.4477 494.5686 494.6895 494.8103 494.9311 495.0520 495.1728 495.2936 495.4143 495.5351 495.6558 495.7765 495.8972 496.0179 496.1386 496.2593 496.3799 496.5005 496.6211 496.7417 496.8623 496.9828 497.1034 497.2239 497.3444 497.4649 497.5853 497.7058 497.8262 497.9466 498.0671 498.1874 498.3078 498.4282 498.5485 498.6688 498.7891 498.9094 499.0297 499.1499 499.2701 499.3904 499.5106 499.6308 499.7509 499.8711 499.9912 500.1113 500.2314 500.3515 500.4716 500.5916 500.7116 500.8317 500.9517 501.0716 501.1916 501.3116 501.4315 501.5514 501.6713 501.7912 501.9110 502.0309 502.1507 502.2705 502.3903 502.5101 502.6299 502.7496 502.8693 502.9891 503.1087 503.2284 503.3481 503.4677 503.5874 503.7070 503.8266 503.9461 504.0657 504.1852 504.3048 504.4243 504.5438 504.6632 504.7827 504.9021 505.0216 505.1410 505.2604 505.3797 505.4991 505.6184 505.7377 505.8570 505.9763 506.0956 506.2149 506.3341 506.4533 506.5725 506.6917 506.8109 506.9300 507.0492 507.1683 507.2874 507.4065 507.5255 507.6446 507.7636 507.8826 508.0016 508.1206 508.2396 508.3585 508.4775 508.5964 508.7153 508.8341 508.9530 509.0718 509.1907 509.3095 509.4283 509.5471 509.6658 509.7846 509.9033
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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
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SQ 20250506T163857.0Z 9257.693715 301 1 35.70 2 25.66 179.01 105.59 63.02 0.00 1 0.00 1 0 15 2.639e-03 2.613e-03 1.199e-03 1.194e-03 4.494545e+03 7.914376e+01 3.205963e+02 -6.000000e+00 1.526154e+02 281.57 -2.00 20.00 -2.00 505.24 0.00e+00 3.646663e-04 3.334446e-05 2.875201e-05 -6.000000e+00 7.522538e-05 281.57 -2.00 20.00 -2.00 500.26 0.00e+00 -1.514823e-02 2.453556e-02 3.097176e-02 -6.000000e+00 5.375083e-02 230.26 -2.00 3.54 -2.00 501.87 0.00e+00 1.109 0.000 489.00 513.00 1 7.4770e+00 1.8847e-03 3.1479e-03 -6.0000e+00 4.1290e-03 4.6964e-03 4.7987e-04 7.5822e-04 -6.0000e+00 1.0582e-03 9.3683e-04 8.6673e-04 1.3411e-04 3.3706e-05 -6.0000e+00 3.0961e-04 2.1081e-02 -4.4335e-05 12 1 1 12 1 1 99.94 18.62 1.12 0.02108 0.02709 19 5 1 4 0 1784.870 21.79 15.00 18.62 19.03 1.6 1065.49 -503 -176 45 44 242 76 598 292 303 -59 238 -9 -81 -357 -369 -381 -448 -22 -85 -60 -162 244 173 46 319 166 59 26 76 -448 -216 -69 84 204 337 218 -22 388 69 39 33 109 148 149 240 97 131 173 238 -230 -467 -534 -818 -277 -428 -26 -246 107 -7 17 332 252 485 71 206 38 -122 44 5 -228 -165 -130 -301 46 -161 -138 -247 -41 -60 -213 -438 -301 -304 -305 -163 -36 3 109 53 131 -30 373 303 233 304 461 88 -18 -461 -411 -571 -495 -191 -146 -165 -593 -133 -308 -96 -89 132 82 31 443 230 275 278 555 166 208 127 259 108 274 380 168 220 43 321 323 -23 -52 -182 -182 -400 -71 -100 -12 -9 -124 -40 114 469 -23 111 80 -146 -370 -491 -100 -490 -173 45 45 256 79 629 310 322 -63 247 -9 -85 -375 -385 -398 -455 -23 -90 -64 -175 262 187 50 344 179 63 28 79 -456 -216 -69 86 212 358 234 -23 411 72 41 35 115 156 159 257 104 140 182 246 -233 -463 -519 -788 -267 -422 -26 -253 111 -8 18 346 264 506 74 214 39 -123 44 5 -223 -160 -127 -295 46 -160 -136 -241 -39 -57 -203 -418 -289 -294 -298 -161 -36 3 108 51 125 -29 363 297 228 295 437 85 -17 -429 -378 -525 -463 -183 -138 -161 -583 -130 -297 -92 -86 128 80 31 441 231 278 281 560 167 207 124 250 104 263 365 163 212 42 307 308 -21 -48 -168 -167 -369 -66 -95 -11 -8 -118 -38 109 451 -22 107 76 -137 -356 -466 -94
SQ 20250506T164015.8Z 9257.694627 303 1 49.78 2 25.65 179.73 105.38 63.27 0.00 1 0.00 1 0 15 2.618e-03 2.609e-03 1.139e-03 1.134e-03 4.764835e+03 7.593101e+01 3.406008e+02 -6.000000e+00 1.514071e+02 281.57 -2.00 20.00 -2.00 505.23 0.00e+00 3.419328e-04 3.177618e-05 2.859962e-05 -6.000000e+00 7.462703e-05 281.57 -2.00 20.00 -2.00 500.23 0.00e+00 -3.289761e-02 2.335285e-02 3.175008e-02 -6.000000e+00 5.331770e-02 230.26 -2.00 3.54 -2.00 501.85 0.00e+00 1.109 0.000 489.00 513.00 1 7.6803e+00 1.7948e-03 3.2123e-03 -6.0000e+00 4.0959e-03 5.6371e-03 4.5399e-04 7.8605e-04 -6.0000e+00 1.0495e-03 7.6542e-04 5.0167e-04 1.2695e-04 3.7383e-05 -6.0000e+00 3.0716e-04 2.0512e-02 -2.9897e-05 10 0 0 10 0 0 99.75 18.62 1.11 0.02051 0.02399 16 3 1 4 0 3110.810 21.79 15.00 18.62 18.99 1.6 1066.03 -327 -484 137 18 94 277 253 499 252 346 175 171 -263 -160 -379 -365 -338 5 137 -232 -70 10 115 328 118 295 -122 296 -137 -337 -250 -56 121 268 273 -128 10 -26 310 -179 176 -1 -20 46 207 422 155 319 -32 -95 -482 -436 -576 -434 -263 -128 -7 -132 113 -13 205 451 381 255 -19 214 -38 105 -234 -268 -462 -213 -322 -175 95 -329 -212 -283 -178 -189 -233 -113 -279 -237 -220 162 -193 77 -83 221 10 323 622 249 398 218 -52 -50 -355 -324 -652 -366 -534 49 -193 -258 -387 -291 -211 67 85 -157 45 145 399 348 568 199 229 389 161 273 48 301 316 169 47 88 -90 124 98 8 -58 -299 -113 -74 177 -186 -19 81 111 283 175 202 94 142 -199 -366 -379 -351 -332 -474 136 19 99 298 277 550 278 378 189 182 -278 -167 -393 -380 -356 5 143 -247 -75 11 123 351 126 316 -130 311 -141 -355 -259 -57 122 277 288 -137 11 -27 322 -186 182 -1 -21 48 220 449 165 333 -33 -95 -474 -419 -574 -435 -257 -128 -7 -137 116 -13 212 466 395 264 -20 217 -38 104 -229 -260 -445 -205 -313 -172 93 -323 -205 -270 -168 -178 -220 -107 -267 -229 -215 159 -191 76 -82 219 10 324 627 252 397 213 -50 -47 -327 -294 -594 -338 -509 48 -185 -250 -373 -277 -200 64 81 -153 44 143 396 347 567 199 228 382 156 260 46 286 301 162 45 84 -86 117 92 7 -53 -272 -103 -68 166 -177 -18 79 109 279 173 201 93 139 -193 -348 -356 -328