File name: Pandora281s1_CambridgeBay_20240919_L2Fit_fwvt1c2d20240201p1-8.txt
File generation date: 20240920T070132.2Z
Data description: Level 2 spectral fitting results file
Data file version: fwvt1c2p1-8
Local principal investigator: 
Network principal investigator: Alexander Cede
Instrument type: Pandora
Instrument number: 281
Spectrometer number: 1
Processing software version used: BlickP v1.8.59
Instrument operation file used: Pandora281_OF_v1d20230823.txt
Instrument calibration file used: Pandora281s1_CF_v2d20240201.txt
Level 1 file used: Pandora281s1_CambridgeBay_20240919_L1_smca1c2d20240201p1-8.txt
Full location name: Cambridge Bay, Nunavut: Canadian High Arctic Reseach Station
Short location name: CambridgeBay
Country of location: Canada
Location latitude [deg]: 69.1212
Location longitude [deg]: -105.0398
Location altitude [m]: 10
Local noon date: 20240919
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: OoB based on session 1
First and last pixel inside fitting window: 1621 1770
Nominal wavelengths inside fitting window [nm]: 492.1161 492.2368 492.3574 492.4780 492.5986 492.7192 492.8398 492.9603 493.0808 493.2013 493.3218 493.4423 493.5628 493.6832 493.8036 493.9240 494.0444 494.1648 494.2852 494.4055 494.5258 494.6461 494.7664 494.8867 495.0069 495.1272 495.2474 495.3676 495.4878 495.6080 495.7281 495.8482 495.9684 496.0885 496.2086 496.3286 496.4487 496.5687 496.6887 496.8087 496.9287 497.0487 497.1686 497.2885 497.4085 497.5284 497.6482 497.7681 497.8879 498.0078 498.1276 498.2474 498.3672 498.4869 498.6067 498.7264 498.8461 498.9658 499.0855 499.2051 499.3247 499.4444 499.5640 499.6836 499.8031 499.9227 500.0422 500.1617 500.2812 500.4007 500.5202 500.6396 500.7591 500.8785 500.9979 501.1173 501.2366 501.3560 501.4753 501.5946 501.7139 501.8332 501.9525 502.0717 502.1909 502.3101 502.4293 502.5485 502.6677 502.7868 502.9059 503.0250 503.1441 503.2632 503.3822 503.5013 503.6203 503.7393 503.8583 503.9772 504.0962 504.2151 504.3340 504.4529 504.5718 504.6907 504.8095 504.9284 505.0472 505.1660 505.2847 505.4035 505.5222 505.6410 505.7597 505.8783 505.9970 506.1157 506.2343 506.3529 506.4715 506.5901 506.7087 506.8272 506.9458 507.0643 507.1828 507.3012 507.4197 507.5382 507.6566 507.7750 507.8934 508.0118 508.1301 508.2485 508.3668 508.4851 508.6034 508.7216 508.8399 508.9581 509.0763 509.1945 509.3127 509.4309 509.5490 509.6672 509.7853 509.9034
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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 20240919T192351.7Z 9028.808237 494 1 31.72 2 68.26 188.13 101.68 345.77 0.00 1 0.00 1 0 15 3.557e-03 3.552e-03 2.203e-03 2.194e-03 2.409208e+03 1.342696e+02 1.740759e+02 -6.000000e+00 1.996290e+02 270.71 -2.00 20.00 -2.00 505.22 0.00e+00 4.301252e-04 5.997172e-05 2.324645e-05 -6.000000e+00 9.928135e-05 270.71 -2.00 20.00 -2.00 500.27 0.00e+00 2.463631e-01 4.545240e-02 2.072369e-02 -6.000000e+00 7.328774e-02 226.41 -2.00 4.87 -2.00 501.87 0.00e+00 2.676 0.000 489.00 513.00 1 8.6653e+00 3.4844e-03 4.2277e-03 -6.0000e+00 5.6105e-03 1.5558e-02 8.9066e-04 5.2763e-04 -6.0000e+00 1.4442e-03 2.2509e-04 3.8549e-04 2.6014e-04 2.1355e-05 -6.0000e+00 4.3640e-04 -2.6901e-02 2.6505e-05 10 0 0 10 0 0 88.78 26.44 1.99 -0.02690 -0.02423 8 8 1 4 0 3964.550 34.75 20.00 26.44 10.63 4.1 855.19 -638 -629 47 -342 -37 470 570 282 198 688 -125 -45 -548 -544 -251 -308 561 -17 -3 70 -207 77 539 452 704 -12 250 221 -298 -237 -367 -419 -354 304 449 -109 -73 -362 -211 -277 -19 197 243 230 66 704 694 379 -52 -297 -216 -349 -277 -366 -176 -297 -191 -389 -162 201 82 661 325 126 246 -335 -80 95 274 374 -203 -62 -56 -296 -57 -453 -741 13 -709 -352 -438 -260 -549 -193 -4 -251 -35 -27 188 355 388 486 394 392 118 367 1 -198 -443 -740 -196 -672 -36 42 -172 -575 -101 -774 133 -514 -219 423 137 196 584 30 450 326 435 697 234 163 434 364 317 236 534 259 390 144 59 -285 -462 -157 -305 -328 218 -383 -172 168 178 -55 84 -30 93 -112 165 -339 -330 -426 -636 -637 48 -344 -38 491 603 301 211 721 -130 -46 -557 -548 -252 -311 570 -17 -3 75 -224 83 580 488 759 -13 268 233 -309 -240 -368 -423 -364 318 478 -118 -79 -386 -223 -291 -20 207 257 245 71 753 736 398 -54 -301 -213 -338 -267 -356 -174 -302 -198 -406 -170 209 85 688 339 131 255 -344 -80 95 269 363 -197 -60 -55 -293 -57 -448 -727 12 -680 -335 -419 -250 -533 -189 -4 -249 -35 -26 187 355 390 468 382 380 114 367 1 -191 -419 -693 -182 -636 -35 39 -165 -557 -97 -741 126 -490 -210 409 134 194 578 30 450 326 432 682 227 156 413 346 302 226 508 247 371 136 55 -266 -427 -143 -279 -302 203 -365 -166 163 175 -54 83 -30 92 -110 159 -324 -311 -399
SQ 20240919T192819.6Z 9028.811338 497 1 31.54 2 68.32 189.33 101.75 346.85 0.00 1 0.00 1 0 16 3.329e-03 3.323e-03 2.123e-03 2.117e-03 2.661004e+03 1.321237e+02 2.018023e+02 -6.000000e+00 1.868208e+02 270.71 -2.00 20.00 -2.00 505.28 0.00e+00 3.484051e-04 5.804962e-05 2.168200e-05 -6.000000e+00 9.290668e-05 270.71 -2.00 20.00 -2.00 500.36 0.00e+00 2.773937e-01 4.368785e-02 2.122963e-02 -6.000000e+00 6.857236e-02 226.40 -2.00 4.87 -2.00 501.98 0.00e+00 2.683 0.001 489.00 513.00 1 8.6033e+00 3.3453e-03 4.2598e-03 -6.0000e+00 5.2497e-03 1.4853e-02 8.4984e-04 5.6183e-04 -6.0000e+00 1.3510e-03 2.3885e-04 -2.2824e-06 2.4808e-04 2.2748e-05 -6.0000e+00 4.0837e-04 -1.9600e-02 1.1707e-06 10 0 0 10 0 0 89.36 26.44 2.05 -0.01960 -0.01962 8 8 1 4 0 3941.880 34.50 20.00 26.44 10.68 4.1 856.23 -800 -512 -82 -421 82 788 303 123 383 199 579 -84 -396 -570 17 -123 272 58 -148 -249 -117 -286 106 587 795 482 -140 20 -394 -80 -296 -493 49 489 32 -118 -209 -167 60 246 -126 321 -31 317 -54 295 636 189 -197 -160 7 -510 -299 -83 335 -244 -248 -313 -119 137 418 111 53 253 164 90 -459 52 -64 113 -142 -239 -153 -194 331 -116 -483 -66 -19 -537 -299 44 -76 -392 -455 -259 -261 -337 425 45 155 369 345 553 673 253 -160 109 -333 -331 -793 -533 -157 -43 -353 -442 -301 -68 -122 89 -120 -93 121 110 639 603 491 170 291 421 284 133 -89 465 250 227 -132 -10 54 291 54 -195 -424 -424 -462 -125 -55 -374 -111 -50 530 251 454 195 323 360 -439 -546 -299 -414 -771 -500 -82 -434 87 839 329 134 416 214 613 -88 -412 -588 18 -127 284 62 -161 -260 -122 -300 111 614 829 503 -146 22 -419 -83 -304 -510 51 522 34 -123 -218 -172 61 249 -128 326 -32 328 -57 306 654 193 -197 -166 7 -506 -295 -83 337 -240 -248 -316 -120 138 421 112 54 255 165 90 -451 50 -65 113 -141 -237 -153 -186 316 -111 -457 -65 -18 -524 -292 43 -71 -371 -435 -248 -252 -326 408 43 151 362 341 548 659 245 -153 101 -304 -315 -717 -487 -147 -42 -346 -436 -296 -66 -118 86 -117 -92 121 111 646 613 501 174 296 422 281 130 -87 451 243 222 -129 -10 52 281 52 -186 -400 -396 -432 -117 -53 -364 -110 -50 529 253 458 198 327 361 -437 -535 -287 -397