# # Data product developed by Dr. E. Thiemann from the # Laboratory for Atmospheric and Space Physics, Boulder, Colorado # in the frame of the PROBA2 guest investigator program. # # Please address your questions to E. Thiemann (thiemann@lasp.colorado.edu) and # to the LYRA Principal Investigator M. Dominique (marie.dominique@oma.be) # # PROBA2 data products are open to all. # Users should however refer to the following paper: http://arxiv.org/abs/1708.08833 # and acknowledge the instrument according to the rules described # at http://proba2.oma.be/data/termsOfUse in their papers and presentations # # Website reference http://proba2.oma.be/lyra/data/EarthAtmosphere/ # # Description: # Summed neutral N2 and O number density profiles, spanning altitudes between 150 and 400 km # retrieved from LYRA data acquired during occultations by the unit 3 (backup unit) zirconium # channel (bandpass: 1-2 nm + 6-20 nm). # # Radial distance is the distance from the center of Earth expressed in km to which the density corresponds. # Density O-N2 provides the summed number density of neutral O and N2 in units of radial distance and cm^-3. # The systematic error is a signed value (asymmetric) in fractional units and is primarily from the error made by # assuming that the absorption cross-sections of O and N2 are equal; a secondary source of systematic error is # from using a single-scale height atmosphere in the reference atmosphere used by the retrieval algorithm. # The random error is an unsigned value (to be applied symmetrically to the measurement) in fractional # units and gathers the uncertainties from solar spectra, solar variability and measurement noise. # Both uncertainties are described in http://arxiv.org/abs/1708.08833. # The Longitude and Latitude (in degrees) columns refer to the tangential point along the # line-of-sight, where most of the absorption occurs. # # Scale height = 54.133966 km # Date (UTC) = 2013-01-13T09:41:13.395 # Date (julian) = 2456305.90362725 # # Radial distance Density O-N2 Systematic error Random error Longitude Latitude 6496.4065 1.7639292e+11 0.032709442 0.031199612 106.61422 42.321893 6498.4164 1.5321864e+11 0.040089626 0.031805681 106.69981 42.200262 6500.4263 1.3210796e+11 0.047559916 0.032411749 106.77479 42.093715 6502.4361 1.1505993e+11 0.055226372 0.033017817 106.84972 41.987246 6504.4460 1.0100617e+11 0.063172406 0.033623885 106.92750 41.873743 6506.4558 8.7776659e+10 0.071285339 0.034229953 107.00863 41.752061 6508.4657 7.6569450e+10 0.079714380 0.034836022 107.08824 41.634082 6510.4756 6.7769734e+10 0.088693074 0.035442090 107.16316 41.527612 6512.4854 6.1383745e+10 0.098485703 0.036048158 107.23809 41.421143 6514.4953 5.6129667e+10 0.10897691 0.036654226 107.31739 41.300722 6516.5052 5.0742759e+10 0.11984302 0.037260295 107.39852 41.174534 6518.5150 4.5365142e+10 0.13104094 0.037866363 107.47964 41.050547 6520.5249 4.0404246e+10 0.14261713 0.038472431 107.56076 40.928865 6522.5347 3.6350916e+10 0.15327794 0.039057278 107.63808 40.811286 6524.5446 3.3066190e+10 0.16053024 0.039620431 107.70512 40.704817 6526.5545 3.0273044e+10 0.16641607 0.040249371 107.77215 40.598347 6528.5643 2.7619323e+10 0.17171206 0.041890158 107.84952 40.480715 6530.5742 2.4973714e+10 0.17613497 0.044632538 107.93065 40.359033 6532.5840 2.2617762e+10 0.17974642 0.047172096 108.00451 40.243153 6534.5939 2.0724932e+10 0.18061901 0.048110695 108.07155 40.132741 6536.6038 1.9196704e+10 0.17956682 0.048330703 108.13859 40.022329 6538.6136 1.7699394e+10 0.17857289 0.049455483 108.21500 39.900884 6540.6235 1.6223268e+10 0.17718658 0.051148652 108.29161 39.779202 6542.6333 1.4880957e+10 0.17503315 0.051242691 108.36095 39.669082 6544.6432 1.3759560e+10 0.17322546 0.052166129 108.42799 39.562612 6546.6531 1.2856448e+10 0.17109238 0.053001895 108.49502 39.456143 6548.6629 1.2081599e+10 0.16910267 0.053865619 108.56206 39.349673 6550.6728 1.1375950e+10 0.16751072 0.055153820 108.62910 39.243204 6552.6827 1.0674906e+10 0.16604833 0.055414944 108.69962 39.126266 6554.6925 9.9147024e+09 0.16407742 0.054846912 108.77173 39.004584 6556.7024 9.1728670e+09 0.16189846 0.053909864 108.84145 38.888190 6558.7122 8.5599271e+09 0.15939984 0.052632395 108.90849 38.777777 6560.7221 8.0438950e+09 0.15669849 0.051623249 108.97553 38.667365 6562.7320 7.5524149e+09 0.15420940 0.050183422 109.04730 38.546435 6564.7418 7.0552598e+09 0.15161127 0.048435407 109.11941 38.424752 6566.7517 6.5801606e+09 0.14920698 0.046757663 109.18508 38.313927 6568.7615 6.1904231e+09 0.14682429 0.045071628 109.24818 38.207441 6570.7714 5.8489571e+09 0.14479516 0.044597970 109.31290 38.098238 6572.7813 5.4850926e+09 0.14253410 0.043782749 109.38500 37.976556 6574.7911 5.1350502e+09 0.13973774 0.042475032 109.45711 37.854874 6576.8010 4.8173063e+09 0.13681042 0.040449448 109.52057 37.747797 6578.8108 4.5572303e+09 0.13367817 0.037369201 109.58366 37.641328 6580.8207 4.3594713e+09 0.13127452 0.035762306 109.64508 37.534860 6582.8306 4.1868680e+09 0.12960724 0.035067775 109.70423 37.428390 6584.8404 4.0212627e+09 0.12775704 0.034057700 109.76338 37.321921 6586.8503 3.8245263e+09 0.12594284 0.033160305 109.83403 37.201941 6588.8601 3.5874437e+09 0.12437383 0.033092682 109.90614 37.080259 6590.8700 3.3544051e+09 0.12237735 0.029443717 109.96958 36.968756 6592.8799 3.1603655e+09 0.12059055 0.027218906 110.02873 36.862287 6594.8897 3.0112488e+09 0.11839431 0.025684105 110.08901 36.753191 6596.8996 2.8636977e+09 0.11593833 0.025723184 110.15661 36.627003 6598.9095 2.7091191e+09 0.11417740 0.024972962 110.22421 36.500815 6600.9193 2.5608500e+09 0.11421042 0.026879810 110.28408 36.392656 6602.9292 2.4341808e+09 0.11326153 0.026723715 110.34323 36.286186 6604.9390 2.3318201e+09 0.11232893 0.026628843 110.40238 36.179716 6606.9489 2.2381550e+09 0.11099174 0.025798830 110.46153 36.073247 6608.9588 2.1488403e+09 0.10787983 0.023707022 110.52068 35.966777 6610.9686 2.0526250e+09 0.10490437 0.024928470 110.58695 35.847492 6612.9785 1.9437854e+09 0.10383622 0.023589671 110.65455 35.725810 6614.9883 1.8423621e+09 0.10254998 0.023259566 110.71442 35.613613 6616.9982 1.7508814e+09 0.10099557 0.023438966 110.76963 35.507144 6619.0081 1.6753072e+09 0.10000172 0.024527859 110.82518 35.400674 6621.0179 1.6124849e+09 0.098919087 0.025083507 110.88433 35.294204 6623.0278 1.5530435e+09 0.097341734 0.024502119 110.94348 35.187735 6625.0376 1.4948131e+09 0.096016570 0.025442523 111.00481 35.072873 6627.0475 1.4294539e+09 0.094220831 0.025335160 111.06790 34.951191 6629.0574 1.3639535e+09 0.093523368 0.026098733 111.12837 34.834571 6631.0672 1.2978109e+09 0.092212749 0.025937595 111.18358 34.728102 6633.0771 1.2512118e+09 0.091186733 0.026165712 111.23878 34.621632 6635.0869 1.2020599e+09 0.089988735 0.026412827 111.30027 34.503043 6637.0968 1.1405494e+09 0.088824921 0.026113998 111.36337 34.381362 6639.1067 1.0843743e+09 0.088078409 0.025589949 111.42190 34.268472 6641.1165 1.0303620e+09 0.088871043 0.025148696 111.47711 34.162002 6643.1264 9.9098813e+08 0.088465945 0.025211702 111.53232 34.055531 6645.1363 9.5905370e+08 0.087505489 0.025515513 111.58753 33.949046 6647.1461 9.2504734e+08 0.086358886 0.026514709 111.64275 33.842561 6649.1560 8.8943779e+08 0.085233646 0.027418686 111.70195 33.730661 6651.1658 8.5125853e+08 0.084880377 0.026611254 111.76504 33.613485 6653.1757 8.0816683e+08 0.084531078 0.027615365 111.82474 33.499388 6655.1856 7.6895710e+08 0.083282365 0.027686888 111.87600 33.392918 6657.1954 7.3575737e+08 0.081493677 0.029127789 111.92727 33.286449 6659.2053 7.1177480e+08 0.079903955 0.031791777 111.98149 33.179981 6661.2151 6.9044832e+08 0.078484403 0.032644524 112.03670 33.073513 6663.2250 6.6345334e+08 0.077225821 0.032420860 112.09263 32.963764 6665.2349 6.3524153e+08 0.076696199 0.028162303 112.15122 32.842081 6667.2447 6.0141458e+08 0.076274679 0.027193348 112.20980 32.720413 6669.2546 5.7823873e+08 0.075274714 0.028094229 112.26502 32.613879 6671.2644 5.6026712e+08 0.075421534 0.026869117 112.32023 32.507410 6673.2743 5.4293380e+08 0.075084085 0.027869460 112.37700 32.393931 6675.2842 5.2357440e+08 0.073562454 0.030342638 112.43559 32.272249 6677.2940 4.9909978e+08 0.071966026 0.031940229 112.49240 32.155200 6679.3039 4.8346650e+08 0.071653516 0.030016653 112.54366 32.052674 6681.3137 4.6451829e+08 0.072667256 0.029898061 112.59493 31.950148 6683.3236 4.4728435e+08 0.073191235 0.031662834 112.65136 31.834099 6685.3335 4.2517434e+08 0.073037442 0.033057064 112.70995 31.712417 6687.3433 4.0479028e+08 0.071302794 0.034151421 112.76305 31.598144 6689.3532 3.9348197e+08 0.068905814 0.033698095 112.81037 31.491674 6691.3631 3.8520147e+08 0.067983597 0.032915606 112.85769 31.385204 6693.3729 3.7404910e+08 0.067161113 0.031476156 112.91572 31.264266 6695.3828 3.5488474e+08 0.066863525 0.029789163 112.97431 31.142585 6697.3926 3.3718339e+08 0.066321824 0.030140954 113.02753 31.034930 6699.4025 3.2189805e+08 0.065040126 0.031219043 113.07880 30.932404 6701.4124 3.1261834e+08 0.063333869 0.032014491 113.13062 30.826118 6703.4222 3.0146962e+08 0.063331066 0.034731759 113.18470 30.704436 6705.4321 2.8883799e+08 0.063437216 0.037436755 113.23877 30.582754 6707.4419 2.7503011e+08 0.063127742 0.040123519 113.28625 30.475940 6709.4518 2.6978680e+08 0.062278032 0.040845176 113.33357 30.369470 6711.4617 2.6265981e+08 0.060484798 0.041217477 113.38586 30.258274 6713.4715 2.5370606e+08 0.058630813 0.045392020 113.44445 30.141099 6715.4814 2.4516136e+08 0.057021790 0.047870934 113.50053 30.026306 6717.4912 2.3060271e+08 0.055306420 0.049843883 113.54785 29.919838 6719.5011 2.2122892e+08 0.053799572 0.050893752 113.59517 29.813369 6721.5110 2.1166692e+08 0.054258444 0.050457856 113.64713 29.696455 6723.5208 2.0551522e+08 0.052919908 0.049659418 113.70121 29.574773 6725.5307 2.0028049e+08 0.049108440 0.041244525 113.75213 29.462050 6727.5405 1.9216484e+08 0.048181071 0.040240220 113.79945 29.359524 6729.5504 1.8436127e+08 0.047548799 0.040678565 113.84677 29.256998 6731.5603 1.8063795e+08 0.045994131 0.042865067 113.90039 29.136623 6733.5701 1.8156755e+08 0.044990386 0.047019718 113.95447 29.014940 6735.5800 1.8124200e+08 0.045997625 0.049909137 114.00855 28.896470 6737.5899 1.7457598e+08 0.047464913 0.056014558 114.06263 28.779295 6739.5997 1.6477984e+08 0.047794437 0.063560488 114.11142 28.667409 6741.6096 1.6018743e+08 0.046206435 0.067497235 114.15480 28.560940 6743.6194 1.5480363e+08 0.042202517 0.075226139 114.19818 28.454471 6745.6293 1.5020176e+08 0.040511826 0.078831438 114.25181 28.337746 6747.6392 1.4615432e+08 0.036297857 0.067141124 114.30589 28.220571 6749.6490 1.4141548e+08 0.034733111 0.072100231 114.35997 28.100064 6751.6589 1.3632551e+08 0.032043365 0.073990249 114.41405 27.978382 6753.6687 1.3130048e+08 0.030559215 0.075141456 114.46257 27.866665 6755.6786 1.2571242e+08 0.028551570 0.074307822 114.50594 27.764138 6757.6885 1.1929728e+08 0.027473083 0.074650756 114.54932 27.661612 6759.6983 1.1507951e+08 0.028355903 0.075988471 114.59880 27.540231 6761.7082 1.1024563e+08 0.031149690 0.078026735 114.64837 27.418549 6763.7180 1.0615469e+08 0.034871075 0.078624586 114.70139 27.300317 6765.7279 1.0615825e+08 0.036764949 0.079664075 114.75547 27.183141 6767.7378 1.0312070e+08 0.034809365 0.081149658 114.80709 27.065967 6769.7476 98113543. 0.030565771 0.086267587 114.85666 26.948792 6771.7575 93087031. 0.027095438 0.091142384 114.90624 26.830142 6773.7673 85959282. 0.023689836 0.096017180 114.95581 26.708460 6775.7772 81673720. 0.020233864 0.10089198 115.00471 26.588858 6777.7871 78930886. 0.016747455 0.10576677 115.04810 26.486316 6779.7969 79906780. 0.013158467 0.11064157 115.09148 26.383775 6781.8068 78494796. 0.0096459171 0.11551637 115.13841 26.272858 6783.8167 77496155. 0.0061295021 0.12039116 115.18797 26.155702 6785.8265 75422405. 0.0026583390 0.12526596 115.23754 26.036945 6787.8364 71578482. -0.00073118742 0.13014075 115.28712 25.915263 6789.8462 70976161. -0.0041915618 0.13501555 115.33669 25.794189 6791.8561 67829816. -0.0075088442 0.13989035 115.38627 25.677014 6793.8660 62851608. -0.010622746 0.14476514 115.43584 25.559839 6795.8758 57887977. -0.013428517 0.14963994 115.48541 25.442664 6797.8857 53180653. -0.015969080 0.15451474 115.53499 25.325490 6799.8955 49542389. -0.014013334 0.15938953 115.58142 25.208315 6801.9054 50207828. -0.022349076 0.16426433 115.62649 25.091140 6803.9153 51897317. -0.035253879 0.16913913 115.67371 24.971809