File name: Pandora155s1_BostonMA_20240519_L2Fit_fwvt1c9d20240425p1-8.txt
File generation date: 20241210T061044.9Z
Data description: Level 2 spectral fitting results file
Data file version: fwvt1c9p1-8
Local principal investigator: Jeff Gedes
Network principal investigator: Alexander Cede
Instrument type: Pandora
Instrument number: 155
Spectrometer number: 1
Processing software version used: BlickP v1.8.60
Instrument operation file used: Pandora155_OF_v4d20190702.txt
Instrument calibration file used: Pandora155s1_CF_v9d20240425.txt
Level 1 file used: Pandora155s1_BostonMA_20240519_L1_smca1c9d20240425p1-8.txt
Full location name: Boston University
Short location name: BostonMA
Country of location: USA
Location latitude [deg]: 42.3497
Location longitude [deg]: -71.1040
Location altitude [m]: 40
Local noon date: 20240519
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: 1653 1802
Nominal wavelengths inside fitting window [nm]: 492.1080 492.2290 492.3500 492.4710 492.5920 492.7130 492.8339 492.9548 493.0758 493.1966 493.3175 493.4384 493.5592 493.6801 493.8009 493.9217 494.0425 494.1632 494.2840 494.4047 494.5254 494.6461 494.7668 494.8874 495.0081 495.1287 495.2493 495.3699 495.4905 495.6111 495.7316 495.8521 495.9727 496.0932 496.2136 496.3341 496.4545 496.5750 496.6954 496.8158 496.9362 497.0565 497.1769 497.2972 497.4175 497.5378 497.6581 497.7784 497.8986 498.0188 498.1390 498.2592 498.3794 498.4996 498.6197 498.7399 498.8600 498.9801 499.1001 499.2202 499.3402 499.4603 499.5803 499.7003 499.8203 499.9402 500.0602 500.1801 500.3000 500.4199 500.5398 500.6596 500.7795 500.8993 501.0191 501.1389 501.2587 501.3784 501.4982 501.6179 501.7376 501.8573 501.9770 502.0966 502.2163 502.3359 502.4555 502.5751 502.6947 502.8142 502.9338 503.0533 503.1728 503.2923 503.4118 503.5312 503.6507 503.7701 503.8895 504.0089 504.1283 504.2476 504.3669 504.4863 504.6056 504.7249 504.8441 504.9634 505.0826 505.2018 505.3210 505.4402 505.5594 505.6785 505.7977 505.9168 506.0359 506.1550 506.2741 506.3931 506.5121 506.6312 506.7501 506.8691 506.9881 507.1070 507.2260 507.3449 507.4638 507.5827 507.7015 507.8204 507.9392 508.0580 508.1768 508.2956 508.4144 508.5331 508.6518 508.7705 508.8892 509.0079 509.1266 509.2452 509.3638 509.4824 509.6010 509.7196 509.8382 509.9567
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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 20240519T143346.2Z 8905.606784 322 1 49.72 2 34.88 120.00 142.06 19.75 0.00 1 0.00 1 0 15 2.198e-03 2.188e-03 1.360e-03 1.353e-03 2.890326e+03 8.447238e+01 2.077770e+02 -6.000000e+00 1.230133e+02 283.05 -2.00 20.00 -2.00 505.23 0.00e+00 4.785301e-04 3.711286e-05 2.913825e-05 -6.000000e+00 6.178548e-05 283.05 -2.00 20.00 -2.00 500.23 0.00e+00 7.773877e-03 2.718092e-02 2.037714e-02 -6.000000e+00 4.387828e-02 231.35 -2.00 3.54 -2.00 501.85 0.00e+00 1.218 0.000 489.00 513.00 1 7.8019e+00 2.0817e-03 2.5495e-03 -6.0000e+00 3.3633e-03 3.7708e-03 5.3940e-04 4.9602e-04 -6.0000e+00 8.7273e-04 6.6671e-04 2.8330e-04 1.3471e-04 2.4996e-05 -6.0000e+00 2.2686e-04 9.5903e-03 -1.8071e-04 11 1 0 11 4 0 99.85 18.38 1.81 0.00959 0.01156 16 3 1 4 0 3107.370 21.48 15.00 18.38 18.32 3.1 920.23 -449 -603 -187 -436 255 384 295 456 131 92 -10 -219 -122 -113 -90 123 -42 77 166 61 105 198 130 96 332 216 -4 149 -162 -262 -46 -215 -89 75 215 -69 87 233 -210 -76 -67 113 101 33 -63 107 61 -50 -66 -184 -319 -392 -390 -444 -258 -307 66 269 111 39 507 240 273 258 113 130 324 -85 -223 -265 -204 -92 115 116 -154 -121 -151 78 -121 -148 -294 -118 -320 -111 -53 -153 126 -145 -6 22 95 100 147 -25 387 140 218 -98 -312 -392 -159 -95 -382 -14 -390 -289 -143 -214 -25 354 -92 218 207 402 187 279 141 3 213 19 166 3 111 4 50 108 157 94 136 -83 -87 -65 -36 37 -219 325 -146 6 -14 348 108 377 362 136 -128 -281 -365 -87 -340 -392 -445 -610 -194 -446 266 408 319 495 142 98 -11 -228 -125 -114 -90 125 -43 81 180 67 114 216 142 106 365 238 -5 160 -170 -267 -46 -219 -93 80 235 -76 94 250 -224 -80 -71 121 109 34 -66 112 64 -52 -70 -189 -318 -383 -379 -438 -261 -320 66 273 113 40 512 244 279 262 114 129 316 -83 -223 -263 -201 -91 110 112 -150 -116 -143 76 -117 -143 -273 -110 -302 -106 -51 -148 122 -141 -6 21 93 99 148 -26 383 137 207 -91 -284 -352 -144 -87 -364 -14 -391 -289 -142 -210 -25 344 -91 219 201 393 184 275 140 3 209 18 157 3 109 4 47 102 148 89 127 -78 -81 -62 -34 34 -205 295 -136 6 -14 335 105 366 354 134 -126 -273 -348 -81 -313 -360
SQ 20240519T143827.3Z 8905.610038 325 1 49.75 2 34.14 121.43 141.78 21.51 0.00 1 0.00 1 0 15 2.215e-03 2.194e-03 1.186e-03 1.181e-03 2.970525e+03 7.352834e+01 2.081786e+02 -6.000000e+00 1.240212e+02 283.05 -2.00 20.00 -2.00 505.24 0.00e+00 4.496260e-04 3.250442e-05 2.665203e-05 -6.000000e+00 6.228869e-05 283.05 -2.00 20.00 -2.00 500.27 0.00e+00 -2.593380e-02 2.377352e-02 2.222815e-02 -6.000000e+00 4.423093e-02 231.35 -2.00 3.54 -2.00 501.89 0.00e+00 1.207 0.000 489.00 513.00 1 7.5951e+00 1.8221e-03 2.6203e-03 -6.0000e+00 3.3905e-03 4.9546e-03 4.7140e-04 5.2759e-04 -6.0000e+00 8.7960e-04 8.2346e-04 3.1772e-04 1.1826e-04 2.2954e-05 -6.0000e+00 2.2869e-04 8.8613e-03 -1.6629e-04 11 1 0 11 4 0 99.91 18.39 1.93 0.00886 0.01107 13 2 1 4 0 3826.210 21.48 15.01 18.39 18.31 3.1 920.79 -563 -571 -265 -160 70 339 350 190 -27 124 -94 -169 -348 -161 -112 7 -126 -131 209 31 59 212 37 225 267 5 109 34 -137 -97 -31 -189 -15 75 247 236 223 436 -42 95 121 100 50 95 -136 100 31 -74 -112 -156 -194 -325 -267 -501 -91 -274 -142 154 220 271 256 295 449 80 11 153 27 65 -28 -232 -20 -10 187 46 11 -223 -86 -153 -95 -373 -244 -292 -166 -253 -82 -125 -20 -220 120 177 268 146 112 151 504 206 -127 -144 -140 -248 -326 -93 -219 -66 -346 -273 -152 62 -250 -81 61 -108 113 358 197 303 413 103 155 142 278 59 366 154 152 112 286 70 25 105 -424 -284 -220 -27 -22 41 -49 -231 140 13 360 367 300 -221 -29 -304 -533 -336 -250 -143 -545 -564 -270 -167 75 371 371 203 -28 130 -102 -181 -367 -167 -116 7 -134 -136 221 33 64 227 40 242 287 5 117 36 -140 -97 -32 -188 -16 79 264 253 238 458 -44 99 125 104 53 102 -147 107 33 -78 -115 -156 -189 -311 -254 -484 -90 -278 -147 160 229 281 266 308 468 83 12 156 27 64 -27 -225 -19 -9 183 46 11 -220 -83 -147 -90 -354 -232 -281 -160 -248 -81 -125 -20 -210 120 169 259 143 111 149 489 196 -119 -137 -130 -228 -301 -88 -204 -64 -341 -268 -148 59 -239 -77 59 -107 112 358 199 307 419 105 155 141 271 57 351 148 147 109 276 67 24 101 -404 -266 -203 -25 -20 38 -47 -224 137 13 343 350 288 -214 -28 -289 -499 -320 -235 -134