# # 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 = 51.622950 km # Date (UTC) = 2014-11-24T09:07:48.122 # Date (julian) = 2456985.88041807 # # Radial distance Density O-N2 Systematic error Random error Longitude Latitude 6504.6384 7.3367694e+10 0.064875514 0.033681901 -11.308037 59.534380 6506.9539 6.4959273e+10 0.074064512 0.034380125 -11.489770 59.431628 6509.2693 5.8309257e+10 0.083575178 0.035078348 -11.671486 59.331683 6511.5848 5.2524328e+10 0.093407440 0.035776572 -11.857946 59.228181 6513.9003 4.6807966e+10 0.10341965 0.036474795 -12.065627 59.108765 6516.2157 4.1682810e+10 0.11372725 0.037173018 -12.264311 58.993181 6518.5312 3.7238310e+10 0.12440822 0.037871242 -12.436941 58.888694 6520.8467 3.3753800e+10 0.13565934 0.038569465 -12.609572 58.784459 6523.1621 3.0896265e+10 0.14420037 0.039219297 -12.782202 58.684515 6525.4776 2.8232026e+10 0.14949021 0.039727707 -12.954832 58.584570 6527.7931 2.5892087e+10 0.15425792 0.041292249 -13.127463 58.480746 6530.1085 2.3908836e+10 0.15857785 0.043980647 -13.300094 58.376259 6532.4240 2.2199200e+10 0.16191299 0.047038404 -13.469758 58.271772 6534.7395 2.0684286e+10 0.16408574 0.048151417 -13.637845 58.167286 6537.0549 1.9115467e+10 0.16538399 0.048711130 -13.814436 58.056055 6539.3704 1.7495657e+10 0.16632735 0.050092003 -14.001349 57.936639 6541.6859 1.5929940e+10 0.16645150 0.051104104 -14.175976 57.825072 6544.0014 1.4499928e+10 0.16598106 0.051645443 -14.339521 57.720585 6546.3168 1.3323703e+10 0.16540584 0.052725217 -14.501592 57.616098 6548.6323 1.2307273e+10 0.16446489 0.053856469 -14.660594 57.511609 6550.9478 1.1398699e+10 0.16291177 0.055222670 -14.819595 57.406562 6553.2632 1.0597506e+10 0.16156553 0.055202748 -14.978597 57.297533 6555.5787 9.8747792e+09 0.15956091 0.054367124 -15.137599 57.188504 6557.8942 9.2336196e+09 0.15778524 0.053305644 -15.292412 57.083663 6560.2096 8.6392330e+09 0.15555903 0.052085300 -15.446871 56.979176 6562.5251 8.0159737e+09 0.15318133 0.050380252 -15.617237 56.863929 6564.8406 7.3964587e+09 0.15122434 0.048390652 -15.793766 56.744513 6567.1560 6.8011135e+09 0.14971359 0.046485255 -15.949162 56.633337 6569.4715 6.2986430e+09 0.14846620 0.044883112 -16.099100 56.524291 6571.7870 5.8983782e+09 0.14747446 0.044288337 -16.249025 56.417952 6574.1024 5.5415836e+09 0.14559574 0.042805803 -16.398940 56.313465 6576.4179 5.2190306e+09 0.14389303 0.040890369 -16.547073 56.207195 6578.7334 4.9194444e+09 0.14156896 0.037491522 -16.692446 56.098164 6581.0488 4.6453580e+09 0.13936850 0.035581817 -16.837819 55.989134 6583.3643 4.3867361e+09 0.13760391 0.034837265 -16.983192 55.880105 6585.6798 4.1455574e+09 0.13538052 0.033427300 -17.128562 55.771079 6587.9953 3.9085900e+09 0.13357935 0.033378880 -17.269440 55.666545 6590.3107 3.6922402e+09 0.13093221 0.030484074 -17.410271 55.562058 6592.6262 3.4962916e+09 0.12794631 0.027465303 -17.551101 55.453987 6594.9417 3.3121258e+09 0.12471505 0.025655597 -17.691931 55.344956 6597.2571 3.1279115e+09 0.12140774 0.025641587 -17.841535 55.226772 6599.5726 2.9372705e+09 0.11972372 0.024964169 -17.997295 55.102165 6601.8881 2.7572588e+09 0.11952467 0.027463919 -18.140171 54.987863 6604.2035 2.6013425e+09 0.11847778 0.026192129 -18.276459 54.878833 6606.5190 2.4716488e+09 0.11813205 0.026571330 -18.412746 54.769803 6608.8345 2.3468461e+09 0.11545400 0.023710308 -18.549033 54.660774 6611.1499 2.2311198e+09 0.11259865 0.024862838 -18.684143 54.552922 6613.4654 2.1196056e+09 0.11174259 0.023744350 -18.815888 54.448434 6615.7809 2.0129276e+09 0.11034139 0.023275557 -18.947634 54.343682 6618.0963 1.9134648e+09 0.10967943 0.023843549 -19.079397 54.234637 6620.4118 1.8112840e+09 0.10897804 0.024899905 -19.211160 54.125592 6622.7273 1.7296016e+09 0.10744456 0.024564414 -19.339015 54.012666 6625.0428 1.6556292e+09 0.10575286 0.025448621 -19.466216 53.899093 6627.3582 1.5766863e+09 0.10351670 0.025455186 -19.605337 53.778283 6629.6737 1.4923322e+09 0.10214127 0.025987300 -19.750713 53.653674 6631.9892 1.4026734e+09 0.10019600 0.026031244 -19.882826 53.540435 6634.3046 1.3219285e+09 0.098492352 0.026349064 -20.010027 53.431406 6636.6201 1.2545406e+09 0.096641821 0.026308944 -20.134827 53.322377 6638.9356 1.2019426e+09 0.095009853 0.025630882 -20.257485 53.213346 6641.2510 1.1497981e+09 0.095167361 0.025149153 -20.380144 53.104316 6643.5665 1.1005482e+09 0.093895371 0.025278153 -20.502803 52.995287 6645.8820 1.0507442e+09 0.092217330 0.025864855 -20.624890 52.886257 6648.1974 1.0076118e+09 0.090527264 0.027096451 -20.743006 52.777227 6650.5129 9.6599923e+08 0.089376191 0.026372656 -20.861121 52.668197 6652.8284 9.3302693e+08 0.088643176 0.027478441 -20.979236 52.554965 6655.1438 9.0169123e+08 0.087261046 0.027669653 -21.097351 52.441393 6657.4593 8.6242195e+08 0.085418234 0.029433901 -21.227677 52.319835 6659.7748 8.2042203e+08 0.083975003 0.031672978 -21.362670 52.195226 6662.0903 7.7501173e+08 0.082521282 0.032993635 -21.484202 52.083042 6664.4057 7.2803914e+08 0.081493703 0.030721576 -21.602319 51.974013 6666.7212 6.9082655e+08 0.081365125 0.027049128 -21.717725 51.864983 6669.0367 6.5760372e+08 0.080061812 0.028318053 -21.831298 51.755953 6671.3521 6.2765491e+08 0.080081812 0.026870366 -21.943082 51.645121 6673.6676 6.0940681e+08 0.079201986 0.028457654 -22.052128 51.531531 6675.9831 5.8716700e+08 0.076698454 0.031681284 -22.165204 51.415803 6678.2985 5.5598694e+08 0.075524111 0.030736943 -22.295004 51.291196 6680.6140 5.2257416e+08 0.075992045 0.029574005 -22.419234 51.169548 6682.9295 4.9179760e+08 0.076605839 0.031134693 -22.528264 51.055975 6685.2449 4.6843277e+08 0.076185256 0.032963552 -22.637294 50.942706 6687.5604 4.5142185e+08 0.073821864 0.034030356 -22.746325 50.833675 6689.8759 4.3574613e+08 0.071251273 0.033227596 -22.855356 50.724644 6692.1913 4.1831967e+08 0.069905660 0.032543133 -22.973377 50.597634 6694.5068 3.9832433e+08 0.068883515 0.030550702 -23.092792 50.467834 6696.8223 3.8150812e+08 0.068232018 0.030017427 -23.198180 50.357551 6699.1377 3.6292329e+08 0.066663576 0.031463328 -23.302667 50.248523 6701.4532 3.4833526e+08 0.064618448 0.032074446 -23.407153 50.136139 6703.7687 3.3749588e+08 0.064538073 0.035598735 -23.511640 50.022566 6706.0842 3.2110191e+08 0.064601362 0.038592871 -23.624146 49.903065 6708.3996 3.0579410e+08 0.064234631 0.040478755 -23.743563 49.778457 6710.7151 2.9101378e+08 0.062739187 0.040636465 -23.851079 49.660592 6713.0306 2.7528676e+08 0.060700167 0.043797160 -23.951024 49.547019 6715.3460 2.6600704e+08 0.058584145 0.047732498 -24.050967 49.435308 6717.6615 2.5721159e+08 0.056386906 0.049833352 -24.150911 49.326280 6719.9770 2.4478493e+08 0.055031613 0.050441649 -24.253834 49.212917 6722.2924 2.3386229e+08 0.054921011 0.050243677 -24.368059 49.083117 6724.6079 2.2342689e+08 0.051446611 0.044850264 -24.478247 48.959187 6726.9234 2.1540035e+08 0.048768041 0.040959695 -24.578191 48.850156 6729.2388 2.0812595e+08 0.048227927 0.040886233 -24.678874 48.739435 6731.5543 2.0080175e+08 0.046252945 0.042853206 -24.787906 48.609636 6733.8698 1.8982410e+08 0.045023446 0.048646595 -24.894820 48.482356 6736.1852 1.8213125e+08 0.046661982 0.051055348 -24.990222 48.368783 6738.5007 1.7513367e+08 0.047743642 0.060077768 -25.085624 48.255210 6740.8162 1.6537375e+08 0.046854959 0.065444675 -25.194030 48.131107 6743.1317 1.5706607e+08 0.043019580 0.071935576 -25.302551 48.006808 6745.4471 1.5048464e+08 0.039999368 0.078754853 -25.393410 47.893236 6747.7626 1.4656662e+08 0.035608143 0.067098630 -25.484268 47.779663 6750.0781 1.4177204e+08 0.032937432 0.072137423 -25.585860 47.656967 6752.3935 1.3767280e+08 0.030096637 0.073679090 -25.689701 47.532360 6754.7090 1.2715537e+08 0.028587493 0.075073314 -25.793541 47.403074 6757.0245 1.2016520e+08 0.025773090 0.076665808 -25.897381 47.273274 6759.3399 1.1554527e+08 0.026936244 0.075901986 -25.988567 47.159292 6761.6554 1.0955451e+08 0.029546201 0.078022374 -26.079425 47.045719 6763.9709 1.0647933e+08 0.033696250 0.079394576 -26.180325 46.923610 6766.2863 1.0012094e+08 0.035231140 0.080361455 -26.284164 46.799001 6768.6018 95281819. 0.031209981 0.083021477 -26.373163 46.683731 6770.9173 93534622. 0.026790425 0.089104503 -26.459491 46.570141 6773.2327 93874565. 0.022646158 0.094720533 -26.553786 46.446070 6775.5482 90995820. 0.018512726 0.10033656 -26.652434 46.316270 6777.8637 85623108. 0.014380540 0.10595259 -26.751082 46.190212 6780.1792 79631357. 0.010243876 0.11156862 -26.849730 46.065605 6782.4946 74171906. 0.0060997412 0.11718465 -26.948365 45.936889 6784.8101 69814282. 0.0019499963 0.12280068 -27.046996 45.807111 6787.1256 67690798. -0.0022184830 0.12841671 -27.141135 45.677313 6789.4410 66141568. -0.0064188922 0.13403274 -27.234591 45.547514 6791.7565 64407089. -0.010679230 0.13964877 -27.321332 45.432986 6794.0720 60707356. -0.015075495 0.14526480 -27.407660 45.319396 6796.3874 55250917. -0.019750787 0.15088083 -27.499271 45.197639 6798.7029 53240584. -0.025375038 0.15649686 -27.592728 45.073030 6801.0184 51181132. -0.038150172 0.16211289 -27.681951 44.944190 6803.3338 51124754. -0.034991660 0.16772892 -27.770215 44.814390 6805.6493 49146256. -0.023635781 0.17334495 -27.863081 44.684609