File name: Pandora250s1_Haldwani-ARIES_20240926_L2Fit_fwvt1c3d20230109p1-8.txt
File generation date: 20240926T183622.8Z
Data description: Level 2 spectral fitting results file
Data file version: fwvt1c3p1-8
Local principal investigator: Mukesh Kumar
Network principal investigator: Alexander Cede
Instrument type: Pandora
Instrument number: 250
Spectrometer number: 1
Processing software version used: BlickP v1.8.60
Instrument operation file used: Pandora250_OF_v2d20221026.txt
Instrument calibration file used: Pandora250s1_CF_v3d20230109.txt
Level 1 file used: Pandora250s1_Haldwani-ARIES_20240926_L1_smca1c3d20230109p1-8.txt
Full location name: Aryabhatta Research Institute of Observational Sciences, Haldwani Campus
Short location name: Haldwani-ARIES
Country of location: India
Location latitude [deg]: 29.2330
Location longitude [deg]: 79.5360
Location altitude [m]: 490
Local noon date: 20240926
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: OOB session based on lab analysis upto wavelength cal from session 1, absolute calibration done with an uncalibrated lamp, certificate of FEL1441 (GSFC) used
First and last pixel inside fitting window: 1619 1769
Nominal wavelengths inside fitting window [nm]: 492.0198 492.1408 492.2617 492.3827 492.5036 492.6245 492.7454 492.8663 492.9872 493.1080 493.2288 493.3497 493.4704 493.5912 493.7120 493.8327 493.9535 494.0742 494.1949 494.3155 494.4362 494.5568 494.6775 494.7981 494.9187 495.0392 495.1598 495.2803 495.4008 495.5213 495.6418 495.7623 495.8828 496.0032 496.1236 496.2440 496.3644 496.4848 496.6051 496.7255 496.8458 496.9661 497.0864 497.2066 497.3269 497.4471 497.5673 497.6875 497.8077 497.9279 498.0480 498.1681 498.2883 498.4083 498.5284 498.6485 498.7685 498.8886 499.0086 499.1286 499.2485 499.3685 499.4884 499.6084 499.7283 499.8481 499.9680 500.0879 500.2077 500.3275 500.4473 500.5671 500.6869 500.8066 500.9264 501.0461 501.1658 501.2855 501.4051 501.5248 501.6444 501.7640 501.8836 502.0032 502.1228 502.2423 502.3618 502.4814 502.6008 502.7203 502.8398 502.9592 503.0786 503.1980 503.3174 503.4368 503.5562 503.6755 503.7948 503.9141 504.0334 504.1527 504.2719 504.3912 504.5104 504.6296 504.7488 504.8679 504.9871 505.1062 505.2253 505.3444 505.4635 505.5825 505.7016 505.8206 505.9396 506.0586 506.1776 506.2965 506.4155 506.5344 506.6533 506.7722 506.8911 507.0099 507.1287 507.2476 507.3664 507.4851 507.6039 507.7226 507.8414 507.9601 508.0788 508.1975 508.3161 508.4348 508.5534 508.6720 508.7906 508.9091 509.0277 509.1462 509.2648 509.3833 509.5017 509.6202 509.7387 509.8571 509.9755
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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 20240926T121804.7Z 9035.512554 2 1 51.32 2 87.50 266.82 119.40 331.74 0.00 1 0.00 1 0 22 7.058e-03 6.882e-03 6.318e-04 6.296e-04 3.505850e+04 4.972575e+01 2.173547e+03 -6.000000e+00 3.809082e+02 290.19 -2.00 20.00 -2.00 505.40 0.00e+00 2.806115e-03 1.740945e-05 2.111103e-04 -6.000000e+00 1.975921e-04 290.19 -2.00 20.00 -2.00 500.68 0.00e+00 1.414639e+00 1.210270e-02 1.737708e-01 -6.000000e+00 1.358261e-01 227.57 -2.00 3.22 -2.00 502.23 0.00e+00 14.722 0.037 489.00 513.00 1 5.3152e+00 9.2532e-04 2.5884e-02 -6.0000e+00 1.0405e-02 -2.8961e-02 2.3549e-04 4.6557e-03 -6.0000e+00 2.7513e-03 1.0820e-03 -1.7914e-03 3.9736e-05 1.9005e-04 -6.0000e+00 5.7514e-04 -1.4585e-02 -2.4302e-04 12 8 8 10 0 0 99.91 21.90 2.15 -0.01459 -0.02701 45 7 1 4 0 1140.190 27.00 20.03 21.90 31.91 8.1 1027.85 900000 -833 -631 571 824 1155 1277 1474 1416 977 758 589 220 -63 -479 -416 -476 -200 310 324 263 345 -69 -199 464 434 557 637 75 -788 -1335 -1571 -1283 -539 104 119 236 -16 -65 -488 -440 -138 -150 98 399 559 463 517 279 -69 -690 -1046 -1443 -1566 -1212 -566 100 196 469 257 159 442 372 599 466 381 -124 -162 -287 -771 -1148 -1008 -861 -379 -130 -4 -254 -370 -627 -555 -440 -316 7 -232 -86 -30 -113 -415 -389 -588 48 432 990 1250 1116 1138 814 701 285 -1145 -1530 -1882 -1946 -1319 -688 -228 196 111 -334 -425 -344 -296 -461 -97 -126 285 815 1321 1143 765 193 -393 -545 -150 425 679 1018 1040 221 439 -102 -397 -344 -451 -891 -138 -73 -153 272 716 339 323 353 530 808 969 756 307 -164 -729 -959 900000 -764 -591 536 806 1121 1266 1491 1410 973 765 588 218 -62 -462 -401 -463 -198 305 329 270 354 -71 -200 468 443 569 649 76 -802 -1312 -1532 -1260 -537 105 125 248 -17 -66 -499 -446 -140 -155 102 411 582 484 538 287 -72 -705 -1036 -1439 -1549 -1211 -568 104 202 487 267 164 457 389 628 489 397 -127 -164 -295 -786 -1156 -1006 -865 -383 -133 -4 -254 -370 -615 -550 -430 -308 7 -230 -83 -30 -114 -417 -385 -571 47 416 962 1221 1091 1077 745 605 246 -992 -1314 -1626 -1696 -1190 -653 -224 193 109 -327 -423 -339 -297 -466 -97 -125 280 802 1336 1175 799 199 -396 -543 -146 412 666 1003 1037 223 439 -103 -398 -335 -437 -877 -136 -74 -155 278 740 352 343 370 558 847 1032 801 323 -171 -756 -1000