# # 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 = 60.378684 km # Date (UTC) = 2014-11-27T09:51:09.028 # Date (julian) = 2456988.91052116 # # Radial distance Density O-N2 Systematic error Random error Longitude Latitude 6501.1335 1.1714161e+11 0.053586195 0.032625023 -23.507331 57.927861 6503.5536 9.2318516e+10 0.062581400 0.033354788 -23.685188 57.820830 6505.9737 7.5120219e+10 0.071532003 0.034084554 -23.860868 57.711623 6508.3937 6.3093137e+10 0.080623876 0.034814319 -24.034480 57.602416 6510.8138 5.4019386e+10 0.089972035 0.035544084 -24.205413 57.493207 6513.2339 4.6858583e+10 0.099676722 0.036273849 -24.376346 57.383999 6515.6539 4.1057352e+10 0.10982968 0.037003615 -24.547279 57.274792 6518.0740 3.6265333e+10 0.12049032 0.037733380 -24.718212 57.165585 6520.4941 3.2308562e+10 0.13173838 0.038463145 -24.889145 57.056379 6522.9141 2.9001934e+10 0.14112945 0.039156632 -25.059520 56.947172 6525.3342 2.6146233e+10 0.14678928 0.039744071 -25.225704 56.837965 6527.7543 2.3719258e+10 0.15159804 0.041264092 -25.391833 56.728759 6530.1744 2.1596778e+10 0.15612390 0.044072789 -25.553270 56.619552 6532.5944 1.9650878e+10 0.15980360 0.047180769 -25.714707 56.510345 6535.0145 1.7916997e+10 0.16246819 0.048218010 -25.876143 56.401138 6537.4346 1.6340870e+10 0.16403511 0.048890102 -26.037580 56.291932 6539.8546 1.4863112e+10 0.16604651 0.050678133 -26.195240 56.178916 6542.2747 1.3514998e+10 0.16613235 0.051106528 -26.351952 56.064942 6544.6948 1.2349460e+10 0.16633293 0.052207954 -26.496574 55.962689 6547.1148 1.1392979e+10 0.16564162 0.053331034 -26.635850 55.865618 6549.5349 1.0607487e+10 0.16415458 0.054511387 -26.780768 55.764615 6551.9550 9.8731025e+09 0.16270569 0.055570960 -26.937457 55.655408 6554.3750 9.1471908e+09 0.16052435 0.054840250 -27.093110 55.545167 6556.7951 8.4653802e+09 0.15869873 0.053896230 -27.245050 55.431213 6559.2152 7.8539451e+09 0.15631661 0.052362894 -27.396990 55.317789 6561.6352 7.3039036e+09 0.15404840 0.051059647 -27.548931 55.208581 6564.0553 6.7823135e+09 0.15155461 0.048746530 -27.700842 55.099341 6566.4754 6.2934572e+09 0.15005887 0.046913963 -27.848037 54.985391 6568.8954 5.8552174e+09 0.14868537 0.044948532 -27.995228 54.871437 6571.3155 5.4649634e+09 0.14781122 0.044417101 -28.138148 54.757481 6573.7356 5.1236655e+09 0.14619278 0.043067192 -28.280592 54.643525 6576.1557 4.8107600e+09 0.14441626 0.041192233 -28.426822 54.533325 6578.5757 4.5209325e+09 0.14221179 0.037740481 -28.574037 54.424102 6580.9958 4.2460675e+09 0.13989971 0.035600499 -28.714704 54.311625 6583.4159 3.9895236e+09 0.13813567 0.034811177 -28.852399 54.197671 6585.8359 3.7525615e+09 0.13591216 0.033302468 -28.992857 54.083716 6588.2560 3.5245431e+09 0.13415084 0.033294440 -29.135300 53.969759 6590.6761 3.3160021e+09 0.13134437 0.029804481 -29.275486 53.855803 6593.0961 3.1074155e+09 0.12857227 0.027012846 -29.413182 53.741848 6595.5162 2.9205391e+09 0.12506071 0.025677103 -29.545224 53.632571 6597.9363 2.7726388e+09 0.12201545 0.025427276 -29.667619 53.531280 6600.3563 2.6369690e+09 0.12082216 0.025722441 -29.790066 53.429950 6602.7764 2.5263826e+09 0.11988516 0.026854079 -29.922962 53.320782 6605.1965 2.4052122e+09 0.11933758 0.026829870 -30.055909 53.211575 6607.6165 2.2773109e+09 0.11792491 0.024489554 -30.188857 53.098123 6610.0366 2.1630536e+09 0.11503844 0.024037961 -30.321805 52.984166 6612.4567 2.0498981e+09 0.11307449 0.023979538 -30.451012 52.870212 6614.8767 1.9450107e+09 0.11219756 0.023336447 -30.579211 52.756258 6617.2968 1.8491900e+09 0.11100686 0.023537658 -30.707424 52.642291 6619.7169 1.7561979e+09 0.11050100 0.024698887 -30.835641 52.528318 6622.1370 1.6681494e+09 0.10934393 0.024721540 -30.963849 52.414356 6624.5570 1.5874565e+09 0.10755114 0.025160481 -31.092049 52.300402 6626.9771 1.5125681e+09 0.10543640 0.025345999 -31.218017 52.184216 6629.3972 1.4455978e+09 0.10409781 0.026037297 -31.341469 52.065513 6631.8172 1.3814926e+09 0.10202308 0.026013779 -31.464920 51.948537 6634.2373 1.3184308e+09 0.10017725 0.026344152 -31.588371 51.834581 6636.6574 1.2543705e+09 0.098307650 0.026294471 -31.711823 51.720625 6639.0774 1.1941357e+09 0.096807828 0.025600399 -31.835275 51.606669 6641.4975 1.1402206e+09 0.097004653 0.025149990 -31.958727 51.492713 6643.9176 1.0864199e+09 0.095570230 0.025331160 -32.082178 51.378759 6646.3376 1.0415422e+09 0.093877402 0.026094920 -32.205413 51.264805 6648.7577 9.9501089e+08 0.091976570 0.027471496 -32.324116 51.150849 6651.1778 9.4777495e+08 0.090917028 0.026620404 -32.442819 51.036893 6653.5978 9.0577025e+08 0.089920301 0.027830899 -32.557061 50.918477 6656.0179 8.6059525e+08 0.087906540 0.028039139 -32.671015 50.799774 6658.4380 8.2139287e+08 0.086259565 0.030837846 -32.788926 50.685029 6660.8580 7.8726556e+08 0.084720251 0.032405922 -32.907630 50.571075 6663.2781 7.5163948e+08 0.083370226 0.032406140 -33.022893 50.457107 6665.6982 7.1656596e+08 0.082980944 0.027403129 -33.136866 50.343133 6668.1183 6.8298570e+08 0.082197307 0.027575421 -33.250828 50.229172 6670.5383 6.5238782e+08 0.081654060 0.027079236 -33.364782 50.115218 6672.9584 6.2603054e+08 0.081194769 0.027435100 -33.476290 49.998816 6675.3785 6.0269406e+08 0.079123046 0.030523245 -33.585498 49.880113 6677.7985 5.7415098e+08 0.077350193 0.031223028 -33.694706 49.763353 6680.2186 5.4529649e+08 0.077478121 0.029488620 -33.803912 49.649397 6682.6387 5.2043818e+08 0.078102696 0.030912507 -33.913119 49.535442 6685.0587 4.9695457e+08 0.077859906 0.032766874 -34.022326 49.421488 6687.4788 4.7978096e+08 0.075508099 0.034075868 -34.131532 49.306598 6689.8989 4.6233506e+08 0.072866126 0.033206897 -34.240740 49.187894 6692.3189 4.4590634e+08 0.071475327 0.032394965 -34.349515 49.069622 6694.7390 4.2755032e+08 0.070478351 0.030225270 -34.453974 48.955667 6697.1591 4.1104723e+08 0.069664192 0.030111396 -34.558433 48.841711 6699.5791 3.9573993e+08 0.067849544 0.031056049 -34.662891 48.723079 6701.9992 3.7981351e+08 0.065638807 0.032875573 -34.767348 48.604376 6704.4193 3.6405602e+08 0.065812974 0.036383442 -34.884925 48.475535 6706.8393 3.4360359e+08 0.065482031 0.039907225 -35.003771 48.345713 6709.2594 3.2841742e+08 0.064724551 0.040967542 -35.108231 48.227009 6711.6795 3.1293231e+08 0.062680337 0.041465301 -35.212691 48.108306 6714.0996 3.0333860e+08 0.060325157 0.047310893 -35.312747 47.994003 6716.5196 2.8948003e+08 0.058408038 0.049166716 -35.412472 47.880032 6718.9397 2.7314485e+08 0.055888738 0.051275911 -35.512185 47.766074 6721.3598 2.6367299e+08 0.056282253 0.050412296 -35.611895 47.652118 6723.7798 2.5636179e+08 0.054480630 0.049803867 -35.711606 47.534753 6726.1999 2.4959521e+08 0.050314335 0.040953170 -35.811316 47.416050 6728.6200 2.3753008e+08 0.049666275 0.040506792 -35.916425 47.290288 6731.0400 2.2144656e+08 0.047909893 0.041829697 -36.024956 47.160052 6733.4601 2.1485311e+08 0.046509017 0.046422329 -36.126702 47.038687 6735.8802 2.0914890e+08 0.047639730 0.050227797 -36.226413 46.919984 6738.3002 2.0450629e+08 0.048912261 0.058974038 -36.322975 46.804429 6740.7203 1.9965351e+08 0.048076853 0.065280881 -36.417938 46.690473 6743.1404 1.8912584e+08 0.044165336 0.071994403 -36.520460 46.564424 6745.5604 1.8044307e+08 0.041163601 0.078802492 -36.628991 46.428760 6747.9805 1.6830132e+08 0.036945247 0.067023609 -36.724438 46.305211 6750.4006 1.5795496e+08 0.034163591 0.072688138 -36.814652 46.186508 6752.8206 1.5216232e+08 0.031257051 0.073184833 -36.907754 46.070694 6755.2407 1.4984906e+08 0.029099283 0.074499807 -37.002717 45.956740 6757.6608 1.4592772e+08 0.027162603 0.074734750 -37.101769 45.831885 6760.0809 1.4166283e+08 0.027941897 0.076215455 -37.204875 45.696220 6762.5009 1.3519572e+08 0.032332456 0.077242817 -37.299481 45.574869 6764.9210 1.3049972e+08 0.035365196 0.079527408 -37.389695 45.460913 6767.3411 1.2578594e+08 0.034701176 0.081593868 -37.484038 45.334948 6769.7611 1.1946649e+08 0.029516166 0.086300329 -37.581716 45.199284 6772.1812 1.1368238e+08 0.025184020 0.092170059 -37.674091 45.079043 6774.6013 1.0738322e+08 0.020854870 0.098039788 -37.764305 44.965087 6777.0213 1.0330717e+08 0.016533550 0.10390952 -37.859030 44.838012 6779.4414 1.0314100e+08 0.012222472 0.10977925 -37.956708 44.702347 6781.8615 98343343. 0.0079148872 0.11564898 -38.054386 44.570817 6784.2815 94718839. 0.0036182440 0.12151871 -38.152064 44.440581 6786.7016 94188445. -0.00065939312 0.12738844 -38.238523 44.320941 6789.1217 90782104. -0.0049374199 0.13325817 -38.323989 44.202238 6791.5417 89160907. -0.0091909813 0.13912790 -38.419379 44.074161 6793.9618 87594255. -0.013438148 0.14499763 -38.517057 43.943923 6796.3819 80673159. -0.017703111 0.15086736 -38.614735 43.808423 6798.8019 75424718. -0.021941532 0.15673709 -38.710260 43.674912 6801.2220 72024794. -0.026154239 0.16260682 -38.790989 43.556191 6803.6421 70152771. -0.030343850 0.16847655 -38.871963 43.437226 6806.0622 70771640. -0.034495936 0.17434628 -38.964200 43.307011 6808.4822 68914188. -0.038664600 0.18021601 -39.056440 43.175825 6810.9023 66681948. -0.042827777 0.18608574 -39.148690 43.040162 6813.3224 64006183. -0.046971861 0.19195547 -39.240941 42.906318 6815.7424 62333294. -0.051083786 0.19782520 -39.333193 42.776080 6818.1625 57973495. -0.055195820 0.20369493 -39.425445 42.643169 6820.5826 53666625. -0.059300167 0.20956466 -39.517695 42.507506 6823.0026 51894978. -0.063399369 0.21543439 -39.606420 42.375369 6825.4227 53053538. -0.067513322 0.22130412 -39.693244 42.245133 6827.8428 49759934. -0.071668283 0.22717385 -39.784450 42.110516 6830.2628 47905965. -0.075862452 0.23304358 -39.876703 41.974852 6832.6829 45013738. -0.080121434 0.23891331 -39.963721 41.844420 6835.1030 41981028. -0.084479301 0.24478304 -40.050546 41.713523 6837.5230 40228333. -0.088969444 0.25065277 -40.137371 41.577859 6839.9431 38984679. -0.093696255 0.25652250 -40.224195 41.442196 6842.3632 38535014. -0.098787455 0.26239223 -40.311020 41.306532 6844.7832 37064318. -0.10525548 0.26826196 -40.395479 41.173234 6847.2033 38402151. -0.12062997 0.27413169 -40.476876 41.042998 6849.6234 41300681. -0.11545975 0.28000142 -40.561492 40.909543 6852.0435 47840276. -0.10312701 0.28587115 -40.648317 40.773878