# # 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 = 51.175209 km # Date (UTC) = 2013-11-23T09:39:56.065 # Date (julian) = 2456619.90273223 # # Radial distance Density O-N2 Systematic error Random error Longitude Latitude 6486.1083 9.6659968e+10 0.024300169 0.028094213 -18.950554 59.994472 6488.2151 8.3518950e+10 0.030707478 0.028729495 -19.148871 59.890571 6490.3218 7.3431285e+10 0.036583309 0.029364778 -19.318581 59.795430 6492.4286 6.6971100e+10 0.041657193 0.030000060 -19.488050 59.700362 6494.5353 6.2455624e+10 0.046241165 0.030635342 -19.668734 59.600195 6496.6420 5.8556707e+10 0.050591023 0.031270624 -19.857693 59.496267 6498.7488 5.5147777e+10 0.054709626 0.031905906 -20.035819 59.396403 6500.8555 5.2150639e+10 0.058467065 0.032541188 -20.201155 59.301335 6502.9623 4.9776226e+10 0.061819413 0.033176470 -20.367232 59.205734 6505.0690 4.7252333e+10 0.064932287 0.033811752 -20.551467 59.097083 6507.1757 4.4660966e+10 0.068150146 0.034447034 -20.735702 58.988431 6509.2825 4.2150179e+10 0.072131036 0.035082316 -20.894879 58.892310 6511.3892 3.9973163e+10 0.077727867 0.035717598 -21.051947 58.797242 6513.4960 3.8193142e+10 0.085706666 0.036352880 -21.209016 58.702174 6515.6027 3.6529114e+10 0.096498426 0.036988163 -21.366085 58.607106 6517.7094 3.4804075e+10 0.11017129 0.037623445 -21.525034 58.510901 6519.8162 3.2832077e+10 0.12639043 0.038258727 -21.704544 58.402250 6521.9229 3.0713605e+10 0.14471387 0.038894009 -21.884055 58.293599 6524.0297 2.8637469e+10 0.15662543 0.039437499 -22.033874 58.198082 6526.1364 2.6794482e+10 0.16498134 0.039811092 -22.182676 58.103014 6528.2431 2.5146519e+10 0.17071295 0.041635372 -22.345706 57.997921 6530.3499 2.3397166e+10 0.17292562 0.044318532 -22.520494 57.884545 6532.4566 2.1627682e+10 0.17443077 0.047065656 -22.682309 57.779054 6534.5634 2.0043207e+10 0.17424970 0.048102153 -22.826977 57.683987 6536.6701 1.8659556e+10 0.17312437 0.048390065 -22.971645 57.588872 6538.7768 1.7504416e+10 0.17233817 0.049534966 -23.116314 57.489670 6540.8836 1.6432980e+10 0.17115467 0.051271533 -23.260983 57.390468 6542.9903 1.5381866e+10 0.16969409 0.051378223 -23.417889 57.285671 6545.0971 1.4332058e+10 0.16852315 0.052456437 -23.583228 57.177020 6547.2038 1.3308128e+10 0.16699659 0.053364871 -23.736781 57.072860 6549.3106 1.2392569e+10 0.16540196 0.054282759 -23.877316 56.973660 6551.4173 1.1603682e+10 0.16428058 0.055382228 -24.017852 56.874690 6553.5240 1.0936221e+10 0.16299019 0.055071642 -24.158409 56.779607 6555.6308 1.0320516e+10 0.16142753 0.054323362 -24.298965 56.684525 6557.7375 9.7047410e+09 0.15996598 0.053403830 -24.449271 56.577804 6559.8443 9.0688187e+09 0.15795596 0.052291888 -24.605135 56.464447 6561.9510 8.4425018e+09 0.15551946 0.050904050 -24.748748 56.358439 6564.0577 7.8977505e+09 0.15268246 0.048745430 -24.881036 56.259222 6566.1645 7.4564923e+09 0.15047531 0.047089838 -25.013322 56.160007 6568.2712 7.0881488e+09 0.14855512 0.045522346 -25.145590 56.060806 6570.3780 6.7428252e+09 0.14663202 0.044760945 -25.277858 55.961606 6572.4847 6.4231306e+09 0.14461411 0.043952579 -25.410127 55.862405 6574.5914 6.1139402e+09 0.14241995 0.042570937 -25.542395 55.763203 6576.6982 5.8021918e+09 0.14048515 0.040567770 -25.678378 55.660287 6578.8049 5.4700208e+09 0.13820979 0.037378545 -25.824822 55.546912 6580.9117 5.1298997e+09 0.13636716 0.035678243 -25.968607 55.435596 6583.0184 4.8250565e+09 0.13508433 0.035012350 -26.096742 55.336394 6585.1251 4.5647300e+09 0.13345395 0.033870721 -26.224877 55.237192 6587.2319 4.3520973e+09 0.13176477 0.033209747 -26.350011 55.137991 6589.3386 4.1626779e+09 0.12990500 0.032374170 -26.474013 55.038790 6591.4454 3.9598638e+09 0.12758825 0.028699363 -26.603446 54.935244 6593.5521 3.7476470e+09 0.12553961 0.026588927 -26.745165 54.821868 6595.6589 3.5287014e+09 0.12305810 0.025691896 -26.882740 54.711181 6597.7656 3.3130650e+09 0.12112138 0.025481136 -27.002608 54.611981 6599.8723 3.1381274e+09 0.12011842 0.024982196 -27.122476 54.512780 6601.9791 2.9925287e+09 0.11939514 0.027506778 -27.242344 54.413578 6604.0858 2.8720367e+09 0.11752734 0.026122230 -27.362212 54.314377 6606.1926 2.7391890e+09 0.11674774 0.027157950 -27.488093 54.208541 6608.2993 2.5826259e+09 0.11407797 0.023724458 -27.625088 54.090442 6610.4060 2.4287513e+09 0.11087260 0.024390936 -27.757104 53.976768 6612.5128 2.2915406e+09 0.10875627 0.023937625 -27.872839 53.877566 6614.6195 2.1852355e+09 0.10710308 0.023513670 -27.988574 53.778364 6616.7263 2.0931478e+09 0.10506583 0.023396285 -28.104309 53.679163 6618.8330 2.0108127e+09 0.10392161 0.024399808 -28.220044 53.579963 6620.9397 1.9380172e+09 0.10291550 0.025070027 -28.334151 53.479121 6623.0465 1.8846058e+09 0.10140376 0.024509046 -28.445768 53.375770 6625.1532 1.8163657e+09 0.10011447 0.025580443 -28.557386 53.272420 6627.2600 1.7214168e+09 0.098329343 0.025417229 -28.684561 53.159279 6629.3667 1.6242014e+09 0.097448342 0.026042804 -28.812108 53.045903 6631.4734 1.5308962e+09 0.095952328 0.025978858 -28.925946 52.941160 6633.5802 1.4402482e+09 0.094802903 0.026253547 -29.037548 52.837825 6635.6869 1.3747534e+09 0.093375732 0.026502802 -29.147329 52.736311 6637.7937 1.3190960e+09 0.092208144 0.025772699 -29.254797 52.637111 6639.9004 1.2808173e+09 0.091730066 0.025306249 -29.362588 52.537513 6642.0071 1.2355214e+09 0.091677982 0.025151989 -29.485413 52.419413 6644.1139 1.1673638e+09 0.090606633 0.025355915 -29.608237 52.301313 6646.2206 1.1010302e+09 0.089578306 0.026034351 -29.717175 52.200301 6648.3274 1.0531442e+09 0.088352006 0.027183426 -29.824642 52.101099 6650.4341 1.0156307e+09 0.087453582 0.026354617 -29.930105 51.999893 6652.5409 9.8701531e+08 0.086594180 0.027399331 -30.033440 51.896559 6654.6476 9.6760948e+08 0.085133806 0.027760346 -30.137742 51.792256 6656.7543 9.2303028e+08 0.082991152 0.028685490 -30.255842 51.674157 6658.8611 8.6173163e+08 0.081323710 0.031588208 -30.373941 51.556058 6660.9678 7.9711970e+08 0.079910035 0.032505693 -30.478033 51.455887 6663.0746 7.5524272e+08 0.078516884 0.032462552 -30.581368 51.356686 6665.1813 7.4805921e+08 0.077569547 0.028250072 -30.682516 51.255297 6667.2880 7.4116851e+08 0.076852846 0.027209258 -30.781717 51.151963 6669.3948 7.1579372e+08 0.075874965 0.027950240 -30.882479 51.047003 6671.5015 6.6569431e+08 0.076105060 0.026872495 -30.995854 50.928904 6673.6083 6.1951864e+08 0.075741882 0.028368912 -31.109192 50.810855 6675.7150 5.8030596e+08 0.073946095 0.031167842 -31.208527 50.711474 6677.8217 5.5921521e+08 0.072731355 0.031190030 -31.307728 50.612272 6679.9285 5.5803887e+08 0.072659866 0.029500517 -31.404557 50.510699 6682.0352 5.4348889e+08 0.073323798 0.030451453 -31.499625 50.407364 6684.1420 5.3134291e+08 0.073403418 0.032661296 -31.596791 50.301748 6686.2487 5.0736505e+08 0.072639352 0.033905783 -31.705443 50.183648 6688.3554 4.8536942e+08 0.070084605 0.033867239 -31.813583 50.066105 6690.4622 4.6366365e+08 0.068547637 0.033062897 -31.908651 49.962770 6692.5689 4.4208938e+08 0.067624670 0.032104671 -32.003720 49.859435 6694.6757 4.2230928e+08 0.066906489 0.030314046 -32.104265 49.749893 6696.7824 4.0065304e+08 0.066513662 0.030000859 -32.208191 49.636519 6698.8891 3.8143686e+08 0.065317022 0.031438273 -32.305609 49.528172 6700.9959 3.6439694e+08 0.063518663 0.031406396 -32.396558 49.424822 6703.1026 3.5165671e+08 0.063209240 0.033932044 -32.488576 49.320256 6705.2094 3.4061536e+08 0.063256759 0.037040822 -32.592486 49.202177 6707.3161 3.2933796e+08 0.062826409 0.040141544 -32.696396 49.084098 6709.4229 3.1389504e+08 0.062048372 0.040863590 -32.787793 48.980236 6711.5296 2.9906439e+08 0.060222621 0.041294763 -32.878741 48.876886 6713.6363 2.8761548e+08 0.058264233 0.045988101 -32.974200 48.765477 6715.7431 2.7355225e+08 0.056706692 0.048138582 -33.073404 48.647378 6717.8498 2.6289167e+08 0.054888438 0.049821703 -33.167282 48.537395 6719.9566 2.5449241e+08 0.053821126 0.050461043 -33.254082 48.438193 6722.0633 2.4426630e+08 0.054060396 0.050526955 -33.341009 48.338799 6724.1700 2.3691379e+08 0.051842280 0.048506751 -33.440212 48.220700 6726.2768 2.2653149e+08 0.048590254 0.040953864 -33.539415 48.102601 6728.3835 2.1739456e+08 0.048212674 0.040171670 -33.627539 47.997691 6730.4903 2.0766168e+08 0.046912320 0.041051106 -33.714339 47.894356 6732.5970 2.0017028e+08 0.045708990 0.043850115 -33.804780 47.784023 6734.7037 1.9190931e+08 0.045610044 0.049311258 -33.899260 47.665923 6736.8105 1.8365058e+08 0.047445030 0.053419075 -33.989522 47.553097 6738.9172 1.7720701e+08 0.048361130 0.062370817 -34.072190 47.449762 6741.0240 1.6748622e+08 0.047445547 0.065827031 -34.154858 47.346427 6743.1307 1.5934777e+08 0.043966325 0.071929158 -34.248603 47.229247 6745.2374 1.5275410e+08 0.041164297 0.078666706 -34.343083 47.111147 6747.3442 1.4609922e+08 0.036774603 0.067242672 -34.437562 46.993048 6749.4509 1.3654450e+08 0.035857007 0.072154469 -34.532042 46.874949 6751.5577 1.3014643e+08 0.032859868 0.073947455 -34.615295 46.767245 6753.6644 1.2494959e+08 0.031030407 0.075127430 -34.693828 46.663911 6755.7711 1.2187291e+08 0.028700588 0.074267246 -34.775557 46.556372 6757.8779 1.1874874e+08 0.027636740 0.074075900 -34.865313 46.438272 6759.9846 1.1006749e+08 0.028353395 0.076057562 -34.955068 46.320172 6762.0914 1.0490537e+08 0.032050211 0.077903458 -35.044825 46.202073 6764.1981 1.0039889e+08 0.034906619 0.079492776 -35.134581 46.083974 6766.3049 1.0127459e+08 0.035909401 0.080403326 -35.224336 45.965875 6768.4116 1.0059523e+08 0.032114876 0.082337030 -35.314091 45.847775 6770.5183 94784302. 0.027717268 0.088136885 -35.403845 45.729676 6772.6251 90457443. 0.023688790 0.093246657 -35.493600 45.611577 6774.7318 83840194. 0.019634506 0.098356430 -35.570806 45.505545 6776.8386 83140806. 0.015555558 0.10346620 -35.645207 45.402210 6778.9453 82525542. 0.011486162 0.10857598 -35.723839 45.293000 6781.0520 82241581. 0.0074288973 0.11368575 -35.808871 45.174900 6783.1588 82253494. 0.0033921454 0.11879552 -35.893903 45.058128 6785.2655 79437602. -0.00069207331 0.12390529 -35.978935 44.944752 6787.3723 76488195. -0.0047921368 0.12901507 -36.063966 44.830600 6789.4790 70917195. -0.0090190484 0.13412484 -36.148998 44.712501 6791.5857 68544259. -0.013176772 0.13923461 -36.233805 44.594402 6793.6925 64940687. -0.017471745 0.14434438 -36.314114 44.476303 6795.7992 60219211. -0.022016743 0.14945416 -36.394422 44.358203 6797.9060 60536816. -0.026427548 0.15456393 -36.474729 44.240104 6800.0127 58591508. -0.031540741 0.15967370 -36.555035 44.122005 6802.1194 59909691. -0.037864180 0.16478347 -36.639187 44.003905 6804.2262 56927102. -0.059829647 0.16989325 -36.724219 43.885805 6806.3329 50229257. -0.049526750 0.17500302 -36.802667 43.767706 6808.4397 46636118. -0.014905468 0.18011279 -36.878251 43.649607