# # 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 = 42.720232 km # Date (UTC) = 2013-11-28T10:21:16.693 # Date (julian) = 2456624.93144320 # # Radial distance Density O-N2 Systematic error Random error Longitude Latitude 6493.7358 8.0962869e+10 0.035475780 0.030394257 -32.354590 56.670126 6495.6257 7.4176854e+10 0.041013466 0.030964138 -32.484366 56.581577 6497.5155 6.8156175e+10 0.046241361 0.031534020 -32.614142 56.492587 6499.4054 6.3077145e+10 0.051162354 0.032103902 -32.743918 56.404281 6501.2952 5.8428211e+10 0.055873580 0.032673784 -32.873693 56.319001 6503.1851 5.4326861e+10 0.060535275 0.033243666 -33.003467 56.233720 6505.0750 5.0258801e+10 0.065292976 0.033813547 -33.131436 56.148439 6506.9648 4.6692812e+10 0.070328730 0.034383429 -33.257503 56.063158 6508.8547 4.3490117e+10 0.075836760 0.034953311 -33.383571 55.977877 6510.7445 4.0674472e+10 0.082068769 0.035523193 -33.509639 55.889666 6512.6344 3.8094917e+10 0.089142782 0.036093075 -33.635706 55.800678 6514.5242 3.5650276e+10 0.097203968 0.036662956 -33.761427 55.712037 6516.4141 3.3358097e+10 0.10629378 0.037232838 -33.883788 55.626756 6518.3040 3.1251944e+10 0.11650906 0.037802720 -34.006148 55.541475 6520.1938 2.9265703e+10 0.12782825 0.038372602 -34.127046 55.454719 6522.0837 2.7416799e+10 0.13990629 0.038939163 -34.245715 55.365716 6523.9735 2.5624411e+10 0.14750968 0.039420401 -34.364384 55.276713 6525.8634 2.3914776e+10 0.15501577 0.039683677 -34.483041 55.187720 6527.7533 2.2317487e+10 0.16296605 0.041263341 -34.601693 55.098731 6529.6431 2.0840276e+10 0.16817925 0.043260203 -34.720344 55.009771 6531.5330 1.9468679e+10 0.17083757 0.046004422 -34.838996 54.924471 6533.4228 1.8141896e+10 0.17191065 0.047699276 -34.957648 54.839190 6535.3127 1.6913029e+10 0.17152069 0.048088655 -35.075165 54.752775 6537.2025 1.5754473e+10 0.17103896 0.048780717 -35.190108 54.663787 6539.0924 1.4679662e+10 0.16983559 0.049755480 -35.305051 54.574799 6540.9823 1.3689560e+10 0.16862511 0.051318148 -35.419995 54.485810 6542.8721 1.2738416e+10 0.16745072 0.051333343 -35.534939 54.396821 6544.7620 1.1868683e+10 0.16639130 0.052262479 -35.649884 54.307831 6546.6518 1.1110928e+10 0.16488836 0.053000882 -35.753179 54.227861 6548.5417 1.0484405e+10 0.16374771 0.053829415 -35.855350 54.148762 6550.4316 9.9591990e+09 0.16311071 0.055093417 -35.957521 54.069663 6552.3214 9.4259173e+09 0.16235761 0.055505867 -36.064394 53.981882 6554.2113 8.8876666e+09 0.16082191 0.054836814 -36.171921 53.892892 6556.1011 8.3414153e+09 0.15937716 0.053998258 -36.280120 53.803903 6557.9910 7.8269327e+09 0.15843671 0.053244954 -36.391357 53.714915 6559.8808 7.3518085e+09 0.15681170 0.052287758 -36.502594 53.625927 6561.7707 6.8853209e+09 0.15464971 0.050992895 -36.612043 53.536932 6563.6606 6.4600136e+09 0.15241184 0.049164248 -36.719587 53.447929 6565.5504 6.0669391e+09 0.15070137 0.047693387 -36.827130 53.358926 6567.4403 5.7143556e+09 0.14914480 0.046244920 -36.934662 53.269934 6569.3301 5.4004571e+09 0.14727559 0.044873911 -37.042190 53.180944 6571.2200 5.1023658e+09 0.14576835 0.044443190 -37.149383 53.091955 6573.1099 4.8175175e+09 0.14428410 0.043569326 -37.253203 53.002967 6574.9997 4.5558774e+09 0.14284659 0.042374846 -37.357023 52.913979 6576.8896 4.3200839e+09 0.14103347 0.040347478 -37.460843 52.824991 6578.7794 4.1116468e+09 0.13885687 0.037418804 -37.564665 52.736001 6580.6693 3.9087187e+09 0.13717953 0.035902234 -37.668486 52.647012 6582.5591 3.6977810e+09 0.13582019 0.035141635 -37.772306 52.558023 6584.4490 3.4753561e+09 0.13428785 0.034270921 -37.876126 52.469035 6586.3389 3.2640695e+09 0.13274531 0.033166916 -37.979844 52.380115 6588.2287 3.0828639e+09 0.13161186 0.033303548 -38.068941 52.300942 6590.1186 2.9431984e+09 0.12979259 0.030841490 -38.157929 52.221841 6592.0084 2.8304748e+09 0.12744880 0.028065330 -38.246916 52.142740 6593.8983 2.7147472e+09 0.12517500 0.026267077 -38.346643 52.050515 6595.7882 2.5963908e+09 0.12256631 0.025705305 -38.446756 51.957818 6597.6780 2.4657264e+09 0.12059072 0.025508772 -38.545877 51.866114 6599.5679 2.3357201e+09 0.11924009 0.024963885 -38.642295 51.777112 6601.4577 2.2153821e+09 0.11864479 0.027261255 -38.738714 51.688111 6603.3476 2.1049446e+09 0.11712379 0.026457502 -38.835125 51.599116 6605.2374 2.0064556e+09 0.11607146 0.026864243 -38.931530 51.510127 6607.1273 1.9132124e+09 0.11422064 0.025455613 -39.027935 51.421137 6609.0172 1.8168547e+09 0.11081387 0.023711030 -39.124340 51.328904 6610.9070 1.7287495e+09 0.10764931 0.024869619 -39.220744 51.236208 6612.7969 1.6430822e+09 0.10630513 0.023725353 -39.317148 51.144170 6614.6867 1.5625178e+09 0.10519985 0.023467356 -39.413553 51.055181 6616.5766 1.4944620e+09 0.10395155 0.023372796 -39.509959 50.966192 6618.4665 1.4259598e+09 0.10352183 0.024123026 -39.604580 50.877203 6620.3563 1.3546819e+09 0.10305545 0.024882020 -39.697277 50.788215 6622.2462 1.2815038e+09 0.10206608 0.024692469 -39.789973 50.699227 6624.1360 1.2198356e+09 0.10046355 0.024935127 -39.882670 50.607331 6626.0259 1.1648605e+09 0.099519263 0.026557917 -39.975367 50.514635 6627.9157 1.1185021e+09 0.097890851 0.025670550 -40.067741 50.422260 6629.8056 1.0685799e+09 0.096661832 0.025963449 -40.156729 50.333271 6631.6955 1.0177099e+09 0.095018807 0.026001411 -40.245717 50.244282 6633.5853 9.7823624e+08 0.093615189 0.026254445 -40.334706 50.153846 6635.4752 9.3061007e+08 0.092249771 0.026471048 -40.423695 50.061150 6637.3650 8.8995271e+08 0.090922492 0.025982626 -40.512684 49.968453 6639.2549 8.4823024e+08 0.089976381 0.025536968 -40.601673 49.878326 6641.1448 8.0895026e+08 0.090306863 0.025148792 -40.690662 49.789338 6643.0346 7.7435700e+08 0.089659378 0.025197845 -40.779650 49.700332 6644.9245 7.3608962e+08 0.088545737 0.025443522 -40.868653 49.607654 6646.8143 7.0132781e+08 0.087219484 0.026341673 -40.957655 49.514943 6648.7042 6.6939004e+08 0.085910042 0.027435672 -41.042705 49.426309 6650.5940 6.4235601e+08 0.085178090 0.026391232 -41.118509 49.347209 6652.4839 6.2159433e+08 0.084387589 0.027383664 -41.194312 49.268108 6654.3738 6.0091805e+08 0.083309988 0.027876997 -41.272631 49.185400 6656.2636 5.7922583e+08 0.081568162 0.028254800 -41.357912 49.092704 6658.1535 5.5462954e+08 0.080393306 0.030333285 -41.443192 49.000007 6660.0433 5.2881453e+08 0.079282110 0.031665393 -41.528473 48.909418 6661.9332 5.1053012e+08 0.077931888 0.033010249 -41.613755 48.820430 6663.8231 4.8823528e+08 0.076779567 0.032255123 -41.699036 48.731441 6665.7129 4.7076317e+08 0.076758348 0.027378990 -41.781086 48.639221 6667.6028 4.5267046e+08 0.076148200 0.027324868 -41.862659 48.546525 6669.4926 4.3037801e+08 0.075271298 0.027849733 -41.947006 48.451517 6671.3825 4.1079179e+08 0.075159435 0.026870799 -42.044471 48.345576 6673.2724 3.8730854e+08 0.074686936 0.027866538 -42.141937 48.239635 6675.1622 3.6532586e+08 0.073131121 0.030109047 -42.226456 48.147504 6677.0521 3.4800020e+08 0.071093764 0.032284198 -42.308029 48.058514 6678.9419 3.3209067e+08 0.070334870 0.030306614 -42.389166 47.969089 6680.8318 3.1486706e+08 0.071100415 0.029621034 -42.467031 47.876392 6682.7216 3.0059795e+08 0.071429075 0.030975906 -42.544896 47.783696 6684.6115 2.8598981e+08 0.071130389 0.032685123 -42.624321 47.692559 6686.5014 2.7367524e+08 0.069808442 0.034052783 -42.705895 47.603571 6688.3912 2.6399789e+08 0.067179506 0.033875497 -42.787469 47.514582 6690.2811 2.5064617e+08 0.065516619 0.033083652 -42.866367 47.422900 6692.1709 2.4333411e+08 0.064236733 0.032566832 -42.944243 47.330189 6694.0608 2.3189792e+08 0.063054905 0.031175821 -43.022119 47.237479 6695.9507 2.2197232e+08 0.062717080 0.029684850 -43.099984 47.144783 6697.8405 2.1368802e+08 0.061803218 0.030197633 -43.177849 47.052086 6699.7304 2.0557757e+08 0.060278063 0.030916511 -43.254489 46.960614 6701.6202 2.0038462e+08 0.058552227 0.032319496 -43.328647 46.871625 6703.5101 1.9329010e+08 0.058543683 0.034951632 -43.402804 46.782635 6705.3999 1.8386209e+08 0.058511162 0.037379626 -43.479310 46.691298 6707.2898 1.7442916e+08 0.058042967 0.040145312 -43.557174 46.598602 6709.1797 1.6912772e+08 0.057293818 0.041018270 -43.635039 46.505905 6711.0695 1.6394627e+08 0.055637843 0.040771327 -43.709433 46.413208 6712.9594 1.6091608e+08 0.053828559 0.043611203 -43.783591 46.320511 6714.8492 1.5573976e+08 0.051945726 0.047367254 -43.860285 46.225658 6716.7391 1.4852014e+08 0.050109615 0.049489979 -43.945039 46.123953 6718.6290 1.4059363e+08 0.048026270 0.050791961 -44.029792 46.022249 6720.5188 1.3199058e+08 0.047829150 0.050359653 -44.101964 45.928468 6722.4087 1.2603824e+08 0.047420764 0.050099982 -44.172413 45.835771 6724.2985 1.1977453e+08 0.044892086 0.047433759 -44.243539 45.743074 6726.1884 1.1390599e+08 0.041862954 0.040953067 -44.317696 45.650378 6728.0782 1.0861216e+08 0.041328026 0.039738999 -44.391854 45.557681 6729.9681 1.0114169e+08 0.040094459 0.040400162 -44.464211 45.464984 6731.8580 95687460. 0.038596041 0.043457527 -44.534660 45.372287 6733.7478 92966581. 0.037738261 0.047984442 -44.605109 45.279590 6735.6377 88052483. 0.038838525 0.049970375 -44.683498 45.179791 6737.5275 86852780. 0.040134106 0.055816048 -44.764014 45.078088 6739.4174 86053200. 0.040381381 0.063337364 -44.840213 44.980248 6741.3073 82899671. 0.038840335 0.066634997 -44.910662 44.887551 6743.1971 80351979. 0.035034713 0.072377156 -44.981111 44.794855 6745.0870 73886864. 0.031336228 0.078603448 -45.051568 44.702148 6746.9768 65861132. 0.024762630 0.067630546 -45.122027 44.609437 6748.8667 60844765. 0.020004644 0.071576573 -45.192692 44.516409 6750.7565 57154435. -0.010387520 0.073295964 -45.268970 44.414705 6752.6464 54984208. 0.0084978497 0.073386466 -45.345248 44.313001 6754.5363 55714648. 0.055877457 0.075351093 -45.415084 44.217381