File name: Pandora21s1_Bremen_20200126_L2Fit_fwvt1c14d20191026p1-8.txt
File generation date: 20250507T093013.7Z
Data description: Level 2 spectral fitting results file
Data file version: fwvt1c14p1-8
Local principal investigator: Nader Abuhassan
Network principal investigator: Alexander Cede
Instrument type: Pandora
Instrument number: 21
Spectrometer number: 1
Processing software version used: BlickP v1.8.75
Instrument operation file used: Pandora21_OF_v2d20190904.txt
Instrument calibration file used: Pandora21s1_CF_v14d20191026.txt
Level 1 file used: Pandora21s1_Bremen_20200126_L1_smca1c14d20191026p1-8.txt
Full location name: Bremen University
Short location name: Bremen
Country of location: Germany
Location latitude [deg]: 53.0813
Location longitude [deg]: 8.8126
Location altitude [m]: 50
Local noon date: 20200126
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: 1712 1862
Nominal wavelengths inside fitting window [nm]: 492.0415 492.1620 492.2825 492.4029 492.5233 492.6437 492.7641 492.8844 493.0048 493.1251 493.2454 493.3657 493.4860 493.6063 493.7265 493.8468 493.9670 494.0872 494.2074 494.3275 494.4477 494.5678 494.6879 494.8081 494.9281 495.0482 495.1683 495.2883 495.4083 495.5283 495.6483 495.7683 495.8883 496.0082 496.1281 496.2480 496.3679 496.4878 496.6077 496.7275 496.8474 496.9672 497.0870 497.2067 497.3265 497.4463 497.5660 497.6857 497.8054 497.9251 498.0448 498.1644 498.2840 498.4037 498.5233 498.6429 498.7624 498.8820 499.0015 499.1210 499.2405 499.3600 499.4795 499.5990 499.7184 499.8378 499.9572 500.0766 500.1960 500.3154 500.4347 500.5540 500.6734 500.7927 500.9119 501.0312 501.1504 501.2697 501.3889 501.5081 501.6273 501.7464 501.8656 501.9847 502.1039 502.2230 502.3420 502.4611 502.5802 502.6992 502.8182 502.9372 503.0562 503.1752 503.2942 503.4131 503.5320 503.6509 503.7698 503.8887 504.0076 504.1264 504.2452 504.3641 504.4829 504.6016 504.7204 504.8391 504.9579 505.0766 505.1953 505.3140 505.4327 505.5513 505.6699 505.7886 505.9072 506.0258 506.1443 506.2629 506.3814 506.4999 506.6185 506.7369 506.8554 506.9739 507.0923 507.2107 507.3292 507.4476 507.5659 507.6843 507.8026 507.9210 508.0393 508.1576 508.2759 508.3941 508.5124 508.6306 508.7488 508.8670 508.9852 509.1034 509.2215 509.3397 509.4578 509.5759 509.6940 509.8121 509.9301
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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: Azimuth motor temperature [°C], 999=no temperature signal
Column 100: Humidity in head sensor [%], -9=no humidity signal
Column 101: Pressure in head sensor [hPa], -9=no pressure signal
Columns 102-252: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting
Columns 253-403: 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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SO 20200126T150917.7Z 7330.631454 2202 1 29.32 2 85.11 229.40 75.91 211.97 0.00 1 0.00 1 0 15 3.646e-03 3.614e-03 1.454e-03 1.451e-03 5.796578e+03 8.463843e+01 4.271245e+02 -6.000000e+00 1.814049e+02 265.77 -2.00 20.00 -2.00 505.32 0.00e+00 2.918622e-03 3.778570e-05 1.558609e-04 -6.000000e+00 9.644970e-05 265.77 -2.00 20.00 -2.00 500.65 0.00e+00 8.744715e-01 2.810930e-02 5.089782e-02 -6.000000e+00 7.098201e-02 222.16 -2.00 3.88 -2.00 502.20 0.00e+00 10.014 0.023 489.00 513.00 1 6.9367e+00 2.1374e-03 1.5579e-02 -6.0000e+00 5.4007e-03 -1.6848e-03 5.5350e-04 1.3975e-03 -6.0000e+00 1.4241e-03 4.1471e-04 1.4043e-03 1.2239e-04 8.2397e-05 -6.0000e+00 3.1918e-04 3.2845e-03 1.2663e-05 12 1 1 12 1 1 99.86 22.31 1.40 0.00328 0.01303 8 2 1 4 0 3237.739 25.28 20.00 22.31 12.02 22.80 13.9 1034.38 -770 -422 -192 -170 195 272 702 384 279 113 71 -142 -15 9 -316 -148 -328 -130 68 44 114 505 -7 237 636 597 251 233 236 -161 -586 -230 -486 168 437 395 345 95 -350 -344 -473 -98 -64 301 279 290 98 159 211 -105 -566 -496 -858 -569 -171 -172 69 79 227 83 463 357 109 445 326 222 226 -298 -342 -433 -419 -618 -367 -103 336 401 -243 -478 -613 -301 -540 -580 -764 -105 -374 282 228 -175 -114 -276 -121 -38 223 240 645 201 40 8 -321 -243 -1013 -621 -329 -376 -265 -165 4 -422 -176 -222 -366 64 98 538 390 542 819 823 438 598 318 237 30 120 115 295 134 35 208 187 29 294 86 -78 -169 -385 146 7 184 210 271 405 -56 230 34 59 0 -282 -455 -725 -652 -726 -382 -180 -166 195 278 728 384 278 111 72 -144 -15 9 -308 -144 -326 -132 68 44 115 508 -7 240 647 610 257 237 233 -162 -580 -227 -466 166 448 411 355 97 -355 -346 -476 -99 -66 312 293 307 103 166 217 -106 -557 -474 -810 -537 -165 -172 72 82 237 87 481 374 116 470 343 231 231 -302 -343 -428 -408 -604 -361 -103 338 403 -242 -467 -592 -288 -518 -561 -746 -103 -370 281 228 -175 -113 -276 -122 -38 219 239 632 203 39 8 -302 -222 -923 -568 -308 -369 -258 -163 4 -410 -168 -213 -356 64 98 544 398 555 844 857 459 619 324 237 30 118 115 297 136 35 210 189 29 293 84 -76 -162 -374 145 7 190 209 272 409 -57 235 35 61 0 -281 -463 -729 -659
SO 20200126T151157.3Z 7330.633302 2210 1 34.65 2 85.41 229.95 76.11 212.57 0.00 1 0.00 1 0 22 4.949e-03 4.881e-03 2.891e-03 2.885e-03 4.807937e+03 1.669670e+02 3.897380e+02 -6.000000e+00 2.462350e+02 265.77 -2.00 20.00 -2.00 505.32 0.00e+00 2.498023e-03 7.487362e-05 1.297996e-04 -6.000000e+00 1.309763e-04 265.77 -2.00 20.00 -2.00 500.53 0.00e+00 9.036465e-01 5.599630e-02 3.596608e-02 -6.000000e+00 9.656286e-02 222.16 -2.00 3.88 -2.00 502.11 0.00e+00 10.488 0.026 489.00 513.00 1 7.9374e+00 4.2550e-03 1.5886e-02 -6.0000e+00 7.3442e-03 1.7985e-02 1.1045e-03 1.2059e-03 -6.0000e+00 1.9421e-03 1.4338e-04 5.2549e-03 2.4485e-04 7.0873e-05 -6.0000e+00 4.3355e-04 1.4585e-02 -2.3533e-04 12 8 8 10 0 0 99.89 22.31 1.23 0.01459 0.05104 10 2 1 4 0 3463.487 25.28 20.00 22.31 12.00 22.50 13.8 1034.14 -969 -1060 -490 -254 142 346 1169 100 419 608 557 144 -368 99 -767 171 -234 478 -44 -88 408 211 -509 -109 862 365 585 234 -24 -1042 -916 -393 -2 27 220 831 221 423 -418 105 -500 331 -59 241 218 303 736 8 621 -227 -711 -953 -500 -935 -471 -25 -10 388 -170 327 38 232 229 220 424 15 -88 -290 132 -344 -259 -632 -95 -793 -61 -286 -219 -232 -1229 189 -680 193 -374 -114 90 521 259 -381 458 -352 299 -112 448 463 368 694 37 6 -727 235 -1448 -648 -582 -138 -260 -426 279 104 -597 -1013 247 -437 -13 36 -88 10 426 891 535 435 52 871 -61 -60 343 257 650 635 588 448 820 -251 243 -797 116 -416 182 -303 528 190 32 571 -214 -185 234 347 272 -512 -580 -1079 -651 -892 -990 -469 -251 142 352 1202 105 436 623 563 144 -366 97 -752 167 -231 480 -46 -92 424 220 -534 -114 900 384 612 244 -25 -1041 -896 -383 -2 27 230 873 231 438 -431 107 -512 338 -61 252 230 321 775 8 640 -231 -708 -928 -479 -901 -461 -25 -11 402 -177 338 39 241 239 229 439 15 -89 -290 130 -337 -250 -611 -92 -783 -61 -285 -215 -224 -1181 179 -647 184 -360 -110 87 508 254 -375 445 -345 292 -111 449 468 370 684 36 5 -678 213 -1315 -587 -539 -132 -257 -426 276 101 -578 -981 239 -432 -13 36 -90 10 436 915 551 445 53 863 -60 -59 340 256 647 632 584 445 813 -248 235 -769 110 -398 176 -301 527 192 33 583 -220 -191 242 358 278 -517 -573 -1057 -637