File name: Pandora261s1_HoustonTX-SanJacinto_20240122_L2Fit_fwvt1c3d20240108p1-8.txt
File generation date: 20241002T102131.5Z
Data description: Level 2 spectral fitting results file
Data file version: fwvt1c3p1-8
Local principal investigator: Madhu Gyawali
Network principal investigator: Alexander Cede
Instrument type: Pandora
Instrument number: 261
Spectrometer number: 1
Processing software version used: BlickP v1.8.60
Instrument operation file used: Pandora261_OF_v3d20230420.txt
Instrument calibration file used: Pandora261s1_CF_v3d20240108.txt
Level 1 file used: Pandora261s1_HoustonTX-SanJacinto_20240122_L1_smca1c3d20240108p1-8.txt
Full location name: San Jacinto College-South Campus
Short location name: HoustonTX-SanJacinto
Country of location: United States
Location latitude [deg]: 29.5790
Location longitude [deg]: -95.2045
Location altitude [m]: 10
Local noon date: 20240122
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: Modification of session 1 "OoB session and initial 1.8 calibration , absolute calibration done with an uncalibrated lamp, certificate of FEL1441 (GSFC) used", But now with CR and FC.
First and last pixel inside fitting window: 1620 1770
Nominal wavelengths inside fitting window [nm]: 492.0853 492.2060 492.3266 492.4473 492.5679 492.6885 492.8090 492.9296 493.0502 493.1707 493.2912 493.4117 493.5321 493.6526 493.7730 493.8935 494.0139 494.1343 494.2546 494.3750 494.4953 494.6157 494.7360 494.8563 494.9765 495.0968 495.2170 495.3372 495.4574 495.5776 495.6978 495.8180 495.9381 496.0582 496.1783 496.2984 496.4185 496.5385 496.6586 496.7786 496.8986 497.0186 497.1385 497.2585 497.3784 497.4983 497.6182 497.7381 497.8580 497.9778 498.0977 498.2175 498.3373 498.4571 498.5768 498.6966 498.8163 498.9360 499.0557 499.1754 499.2950 499.4147 499.5343 499.6539 499.7735 499.8931 500.0127 500.1322 500.2517 500.3712 500.4907 500.6102 500.7297 500.8491 500.9685 501.0879 501.2073 501.3267 501.4461 501.5654 501.6847 501.8040 501.9233 502.0426 502.1618 502.2811 502.4003 502.5195 502.6387 502.7578 502.8770 502.9961 503.1152 503.2343 503.3534 503.4725 503.5915 503.7106 503.8296 503.9486 504.0676 504.1865 504.3055 504.4244 504.5433 504.6622 504.7811 504.8999 505.0188 505.1376 505.2564 505.3752 505.4940 505.6127 505.7315 505.8502 505.9689 506.0876 506.2063 506.3249 506.4436 506.5622 506.6808 506.7994 506.9179 507.0365 507.1550 507.2735 507.3920 507.5105 507.6290 507.7474 507.8659 507.9843 508.1027 508.2210 508.3394 508.4578 508.5761 508.6944 508.8127 508.9310 509.0492 509.1675 509.2857 509.4039 509.5221 509.6403 509.7584 509.8765 509.9947
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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 101-251: 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
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SQ 20240122T225118.4Z 8787.952296 487 1 54.14 2 79.40 240.06 70.33 68.44 0.00 1 0.00 1 0 15 3.222e-03 3.189e-03 4.233e-04 4.225e-04 9.187581e+03 2.740171e+01 6.350048e+02 -6.000000e+00 1.721152e+02 285.08 -2.00 20.00 -2.00 505.30 0.00e+00 8.006058e-04 1.148966e-05 6.000613e-05 -6.000000e+00 8.917522e-05 285.08 -2.00 20.00 -2.00 500.51 0.00e+00 4.901607e-01 8.100104e-03 5.670895e-02 -6.000000e+00 6.176369e-02 224.55 -2.00 3.23 -2.00 502.09 0.00e+00 5.226 0.002 489.00 513.00 1 5.6476e+00 6.2021e-04 9.0482e-03 -6.0000e+00 4.7331e-03 5.8398e-03 1.5959e-04 1.4739e-03 -6.0000e+00 1.2367e-03 3.0762e-03 9.0221e-04 3.3819e-05 7.3650e-05 -6.0000e+00 2.7435e-04 2.7661e-03 -8.1571e-05 10 0 0 10 0 0 99.99 27.12 1.63 0.00277 0.00902 172 19 1 4 0 314.730 35.50 20.00 27.12 22.45 1.3 968.71 -728 -472 48 45 341 611 636 657 389 272 245 -59 -140 -245 -260 -377 -1 116 152 103 188 165 145 280 221 357 385 74 -292 -314 -545 -667 -47 218 -28 244 119 -52 -167 -83 -146 19 42 309 177 311 292 245 62 -336 -361 -760 -826 -609 -372 -97 -98 -24 -61 10 217 267 202 279 155 -3 87 14 -260 -351 -249 -260 -106 153 101 -128 -85 -291 -463 -457 -265 -270 -376 -81 -151 -244 -115 -83 -151 -238 9 223 456 196 487 302 264 -74 -465 -626 -787 -781 -410 -56 -289 -132 -170 -273 -221 -156 -232 -94 216 217 418 547 747 580 358 306 190 173 166 252 83 305 266 141 333 411 57 25 127 -351 -293 -66 -87 -147 137 270 13 188 208 276 390 235 7 -278 -393 -419 -458 -706 -457 47 45 349 626 664 692 409 282 250 -61 -141 -244 -259 -378 -1 119 157 107 196 172 152 294 233 376 404 77 -301 -317 -544 -670 -47 223 -29 255 125 -54 -172 -85 -148 19 44 319 185 325 303 256 63 -343 -356 -746 -802 -595 -368 -97 -101 -25 -63 11 223 272 207 286 158 -3 87 14 -259 -344 -241 -254 -105 153 101 -126 -84 -281 -451 -442 -257 -260 -365 -79 -149 -240 -113 -81 -148 -233 9 221 459 194 480 294 255 -69 -435 -575 -720 -727 -389 -55 -285 -132 -169 -271 -216 -153 -228 -93 217 219 421 552 747 588 363 306 190 169 163 248 81 298 261 138 325 401 55 25 122 -334 -278 -64 -84 -146 134 269 13 187 208 278 392 236 7 -274 -385 -408 -450