# # 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 = 70.062943 km # Date (UTC) = 2010-11-29T10:59:05.160 # Date (julian) = 2455529.95769861 # # Radial distance Density O-N2 Systematic error Random error Longitude Latitude 6517.1279 6.0912260e+10 0.13583759 0.037448081 -48.971031 51.182378 6518.5139 5.6436532e+10 0.14296507 0.037866039 -49.044455 51.114393 6519.9000 5.1977585e+10 0.15008299 0.038283998 -49.123698 51.036302 6521.2860 4.7912712e+10 0.15726511 0.038701956 -49.204504 50.955496 6522.6721 4.4538508e+10 0.16272656 0.039093243 -49.285310 50.874690 6524.0581 4.1023047e+10 0.16590930 0.039447609 -49.360351 50.801201 6525.4442 3.8150015e+10 0.16931335 0.039731523 -49.431056 50.733216 6526.8302 3.5628347e+10 0.17242726 0.040538469 -49.501761 50.665231 6528.2163 3.3632440e+10 0.17454197 0.041614043 -49.572466 50.597246 6529.6023 3.1690564e+10 0.17693742 0.043195204 -49.643170 50.529261 6530.9884 2.9959728e+10 0.17770653 0.045212370 -49.713874 50.461276 6532.3744 2.8307030e+10 0.18043512 0.046996960 -49.784578 50.393291 6533.7604 2.6896108e+10 0.18070568 0.047842752 -49.855284 50.325304 6535.1465 2.5543461e+10 0.18135590 0.048160751 -49.925998 50.257309 6536.5325 2.4246225e+10 0.18055433 0.048266972 -49.996712 50.189314 6537.9186 2.3078983e+10 0.18084103 0.049118294 -50.067427 50.121319 6539.3046 2.1916701e+10 0.18020258 0.050012367 -50.136669 50.051863 6540.6907 2.0908068e+10 0.17929505 0.051180392 -50.204654 49.981159 6542.0767 1.9899101e+10 0.17800216 0.051031363 -50.272639 49.910455 6543.4628 1.9007685e+10 0.17647963 0.051503347 -50.340624 49.839751 6544.8488 1.8097659e+10 0.17565043 0.052332915 -50.408609 49.771392 6546.2349 1.7258570e+10 0.17357703 0.052657770 -50.476594 49.703407 6547.6209 1.6444403e+10 0.17292386 0.053523480 -50.544578 49.635422 6549.0069 1.5667143e+10 0.17120068 0.053973354 -50.612061 49.567437 6550.3930 1.4968835e+10 0.17054501 0.055083760 -50.677327 49.499452 6551.7790 1.4319377e+10 0.16938807 0.055509203 -50.742593 49.431467 6553.1651 1.3700067e+10 0.16800104 0.055252085 -50.807859 49.363482 6554.5511 1.3049984e+10 0.16661191 0.054843945 -50.877858 49.288989 6555.9372 1.2382967e+10 0.16476375 0.054065919 -50.952449 49.208182 6557.3232 1.1645118e+10 0.16392163 0.053663515 -51.027040 49.127375 6558.7093 1.0941068e+10 0.16210370 0.052634928 -51.098927 49.050286 6560.0953 1.0305441e+10 0.16085309 0.052188379 -51.164192 48.982301 6561.4814 9.7431184e+09 0.15872389 0.051135482 -51.229457 48.914316 6562.8674 9.2846611e+09 0.15703412 0.050054545 -51.294721 48.846331 6564.2534 8.8998921e+09 0.15485131 0.048656738 -51.359987 48.778346 6565.6395 8.5680419e+09 0.15303636 0.047592251 -51.425253 48.710361 6567.0255 8.2071171e+09 0.15158720 0.046595599 -51.490519 48.642376 6568.4116 7.8722716e+09 0.14976088 0.045393324 -51.555785 48.574391 6569.7976 7.5547062e+09 0.14834104 0.044904337 -51.618507 48.503863 6571.1837 7.2249839e+09 0.14648329 0.044453112 -51.681053 48.433160 6572.5697 6.9161148e+09 0.14494985 0.043903895 -51.743599 48.362456 6573.9558 6.6238689e+09 0.14280692 0.042890508 -51.806145 48.292454 6575.3418 6.3433658e+09 0.14144376 0.042031770 -51.868691 48.224469 6576.7279 6.0624571e+09 0.13981330 0.040533622 -51.931237 48.156484 6578.1139 5.8138759e+09 0.13818429 0.038469760 -51.993783 48.088499 6579.4999 5.5780670e+09 0.13650671 0.036795658 -52.056329 48.018934 6580.8860 5.3331390e+09 0.13493719 0.035701974 -52.118875 47.948229 6582.2720 5.1017802e+09 0.13388174 0.035219767 -52.181421 47.877524 6583.6581 4.8846188e+09 0.13242302 0.034688577 -52.243967 47.806820 6585.0441 4.6693634e+09 0.13137931 0.033935498 -52.304064 47.738563 6586.4302 4.4600180e+09 0.12986425 0.033165735 -52.363900 47.670568 6587.8162 4.2711880e+09 0.12887273 0.033339211 -52.423736 47.602573 6589.2023 4.0925514e+09 0.12732259 0.032644713 -52.484187 47.533963 6590.5883 3.9067517e+09 0.12575817 0.029967728 -52.546733 47.463259 6591.9744 3.7381536e+09 0.12415120 0.028102469 -52.609279 47.392556 6593.3604 3.5691434e+09 0.12257727 0.026767162 -52.671825 47.321852 6594.7464 3.4032274e+09 0.12095182 0.025762763 -52.732876 47.252642 6596.1325 3.2408735e+09 0.11888178 0.025726672 -52.792702 47.184657 6597.5185 3.1058343e+09 0.11743981 0.025559098 -52.852528 47.116673 6598.9046 2.9713494e+09 0.11586620 0.024975288 -52.912354 47.048688 6600.2906 2.8472206e+09 0.11563007 0.025587342 -52.969809 46.978330 6601.6767 2.7415305e+09 0.11481393 0.027364362 -53.026918 46.907625 6603.0627 2.6297203e+09 0.11377023 0.026626147 -53.084026 46.836920 6604.4488 2.5159079e+09 0.11295173 0.026337735 -53.141664 46.766746 6605.8348 2.3994438e+09 0.11286433 0.027365378 -53.201490 46.698761 6607.2209 2.3086494e+09 0.11186858 0.025270899 -53.261316 46.630776 6608.6069 2.2118438e+09 0.11022095 0.023716325 -53.321142 46.562791 6609.9929 2.1211959e+09 0.10881045 0.024000882 -53.379561 46.493399 6611.3790 2.0408999e+09 0.10716818 0.024716774 -53.436669 46.422695 6612.7650 1.9621515e+09 0.10683246 0.023749149 -53.493777 46.351991 6614.1511 1.8835632e+09 0.10632846 0.023836406 -53.550885 46.281287 6615.5371 1.8111162e+09 0.10561364 0.023268057 -53.607992 46.212868 6616.9232 1.7509842e+09 0.10492427 0.023427190 -53.665099 46.144883 6618.3092 1.6953671e+09 0.10460659 0.024004289 -53.722206 46.076898 6619.6953 1.6254909e+09 0.10440684 0.024693669 -53.778870 46.008470 6621.0813 1.5576958e+09 0.10395773 0.025062498 -53.833258 45.937765 6622.4674 1.4949999e+09 0.10324644 0.024633600 -53.887647 45.867060 6623.8534 1.4338013e+09 0.10210325 0.024807995 -53.942035 45.796355 6625.2394 1.3819049e+09 0.10157206 0.025683329 -54.001708 45.722252 6626.6255 1.3221727e+09 0.10039492 0.025793976 -54.066974 45.644554 6628.0115 1.2755276e+09 0.099574787 0.025707777 -54.132241 45.566855 6629.3976 1.2143356e+09 0.098918181 0.026037222 -54.194589 45.491033 6630.7836 1.1579336e+09 0.097947738 0.025930233 -54.248977 45.420329 6632.1697 1.1064873e+09 0.097106060 0.026052690 -54.303365 45.349625 6633.5557 1.0610160e+09 0.096282236 0.026249275 -54.357753 45.278922 6634.9418 1.0271119e+09 0.095424933 0.026395539 -54.412146 45.208212 6636.3278 9.8723984e+08 0.094559730 0.026422453 -54.466543 45.137497 6637.7139 9.5743907e+08 0.094114338 0.025811790 -54.520939 45.066783 6639.0999 9.2288878e+08 0.093794483 0.025592370 -54.575335 44.996069 6640.4859 8.8943919e+08 0.094790062 0.025211196 -54.627237 44.927849 6641.8720 8.6073442e+08 0.095140403 0.025151261 -54.678906 44.859864 6643.2580 8.2659989e+08 0.095128714 0.025231578 -54.730574 44.791879 6644.6441 8.0343020e+08 0.094657808 0.025413217 -54.782887 44.723249 6646.0301 7.8131484e+08 0.094063231 0.025935740 -54.837275 44.652544 6647.4162 7.5695688e+08 0.093669516 0.026656894 -54.891663 44.581840 6648.8022 7.2688879e+08 0.093248943 0.027501289 -54.946051 44.511135 6650.1883 7.0484441e+08 0.093275098 0.026298335 -54.998917 44.441952 6651.5743 6.8105460e+08 0.093119577 0.026924287 -55.050585 44.373967 6652.9603 6.4605918e+08 0.093594877 0.027514752 -55.102253 44.305983 6654.3464 6.2216627e+08 0.093151239 0.027888658 -55.153921 44.237998 6655.7324 6.0615183e+08 0.091986696 0.027912862 -55.205589 44.167614 6657.1185 5.8963422e+08 0.090888878 0.029038552 -55.257257 44.096910 6658.5045 5.6671426e+08 0.090234652 0.030955876 -55.308925 44.026206 6659.8906 5.5268181e+08 0.089344177 0.031648823 -55.360594 43.956060 6661.2766 5.3411853e+08 0.088429569 0.032675839 -55.412263 43.888075 6662.6627 5.1295570e+08 0.087900862 0.032672476 -55.463933 43.820090 6664.0487 4.9660527e+08 0.086955914 0.032027848 -55.515602 43.752104 6665.4348 4.8479873e+08 0.087080667 0.027834763 -55.567271 43.682684 6666.8208 4.7814358e+08 0.086577857 0.027068539 -55.618939 43.611979 6668.2068 4.6812174e+08 0.086014008 0.027653822 -55.670607 43.541274 6669.5929 4.5608474e+08 0.085765312 0.027746758 -55.722275 43.470569 6670.9789 4.3983772e+08 0.086295451 0.026875105 -55.777579 43.391274 6672.3650 4.2458613e+08 0.086565988 0.027091152 -55.833522 43.310468 6673.7510 4.1535955e+08 0.086202254 0.028582440 -55.889465 43.229662 6675.1371 4.0285865e+08 0.085396203 0.030060910 -55.940982 43.156971 6676.5231 3.9223551e+08 0.084136082 0.032050873 -55.989931 43.088986 6677.9092 3.8148209e+08 0.083944864 0.031065741 -56.038880 43.021001 6679.2952 3.6993298e+08 0.083965355 0.030023820 -56.087829 42.953016 6680.6813 3.5812116e+08 0.085054320 0.029588529 -56.136778 42.882432 6682.0673 3.4246940e+08 0.086131190 0.030475966 -56.185727 42.811727 6683.4533 3.3049279e+08 0.086786402 0.031852970 -56.234677 42.741022 6684.8394 3.1714866e+08 0.087240156 0.032696688 -56.283628 42.671072 6686.2254 3.0779822e+08 0.086804595 0.033892249 -56.332585 42.603076 6687.6115 3.0424647e+08 0.085031388 0.034001868 -56.381541 42.535081 6688.9975 3.0525213e+08 0.082474272 0.034015455 -56.430498 42.467086 6690.3836 3.0376124e+08 0.081631809 0.033071905 -56.479450 42.397461 6691.7696 2.9940534e+08 0.080768233 0.032819683 -56.528399 42.326757 6693.1557 2.9054270e+08 0.080487757 0.031550685 -56.577349 42.256053 6694.5417 2.8194337e+08 0.080202100 0.030501787 -56.626298 42.185349 6695.9278 2.7110553e+08 0.080592795 0.029689055 -56.678838 42.108180 6697.3138 2.6282230e+08 0.080504257 0.030130978 -56.731673 42.030481 6698.6998 2.6050547e+08 0.079635174 0.031178441 -56.784507 41.952783 6700.0859 2.5320179e+08 0.079124596 0.030731429 -56.834596 41.880027 6701.4719 2.4409276e+08 0.078604662 0.032101917 -56.883545 41.809323 6702.8580 2.3634552e+08 0.079207444 0.033561836 -56.932494 41.738618 6704.2440 2.3506437e+08 0.079244190 0.036297386 -56.981363 41.667913 6705.6301 2.3109928e+08 0.079514075 0.037788755 -57.027593 41.597209 6707.0161 2.2774717e+08 0.079400935 0.040184517 -57.073823 41.526506 6708.4022 2.2616555e+08 0.079131445 0.040481524 -57.120054 41.455802 6709.7882 2.2000357e+08 0.078843683 0.040631201 -57.166284 41.386055 6711.1743 2.1869664e+08 0.077507145 0.040890491 -57.212513 41.318070 6712.5603 2.1434686e+08 0.076487550 0.042870256 -57.258742 41.250085 6713.9463 2.1349309e+08 0.074885967 0.047109366 -57.304972 41.182100 6715.3324 2.0981363e+08 0.074078758 0.047718552 -57.353562 41.105461 6716.7184 2.0307441e+08 0.073307745 0.049459557 -57.403289 41.024655 6718.1045 1.9740304e+08 0.072443842 0.049975143 -57.453016 40.943849 6719.4905 1.8355998e+08 0.072933712 0.050903798 -57.501144 40.868907 6720.8766 1.7970590e+08 0.073577357 0.050318200 -57.547374 40.800923 6722.2626 1.7314527e+08 0.073912094 0.050280535 -57.593604 40.732938 6723.6487 1.7432627e+08 0.072129629 0.049730717 -57.639834 40.664953 6725.0347 1.7548811e+08 0.068348376 0.041554337 -57.683943 40.594846 6726.4208 1.7385538e+08 0.067261818 0.040955162 -57.727453 40.524142 6727.8068 1.7298715e+08 0.066879438 0.039885492 -57.770963 40.453437 6729.1928 1.6706365e+08 0.067185849 0.040916888 -57.815432 40.382013 6730.5789 1.6164198e+08 0.066782641 0.041172638 -57.868266 40.304315 6731.9649 1.5322196e+08 0.067074554 0.043670434 -57.921101 40.226616 6733.3510 1.5113907e+08 0.066876302 0.045829910 -57.973935 40.148917 6734.7370 1.5185742e+08 0.066823985 0.049309254 -58.018516 40.077410 6736.1231 1.4997676e+08 0.068319976 0.050820304 -58.062027 40.006706 6737.5091 1.4777187e+08 0.069537333 0.055757386 -58.105537 39.936002 6738.8952 1.5084776e+08 0.069341620 0.062249400 -58.149048 39.865863 6740.2812 1.5681425e+08 0.067788055 0.064530766 -58.192558 39.797879 6741.6673 1.5266337e+08 0.067041826 0.067661751 -58.236068 39.729894 6743.0533 1.5293949e+08 0.064363365 0.071407026 -58.279578 39.661909 6744.4393 1.5686020e+08 0.061026841 0.078133237 -58.324739 39.587120 6745.8254 1.5371474e+08 0.060915537 0.078913875 -58.371358 39.506313 6747.2114 1.4875667e+08 0.057357683 0.067288370 -58.417978 39.425505 6748.5975 1.4511040e+08 0.058132933 0.070160292 -58.463626 39.348710 6749.9835 1.4525936e+08 0.055510071 0.072008641 -58.507143 39.280715 6751.3696 1.3634470e+08 0.055932745 0.073867930 -58.550659 39.212720 6752.7556 1.3489720e+08 0.054423830 0.073260081 -58.594176 39.144725 6754.1417 1.3728122e+08 0.052990911 0.075985653 -58.639662 39.068586 6755.5277 1.3984172e+08 0.050904051 0.074373977 -58.686273 38.987793 6756.9138 1.4748514e+08 0.047742606 0.076518144 -58.732883 38.907000 6758.2998 1.4805307e+08 0.048332726 0.074339297 -58.778200 38.831560 6759.6858 1.4907674e+08 0.048633635 0.075985461 -58.821717 38.763565 6761.0719 1.4332430e+08 0.050033044 0.077974165 -58.865234 38.695570 6762.4579 1.4228883e+08 0.054360143 0.077312150 -58.908750 38.627575 6763.8440 1.4021489e+08 0.056791031 0.079008140 -58.954568 38.550080 6765.2300 1.3890518e+08 0.058468998 0.079573186 -59.001188 38.469273 6766.6161 1.3633103e+08 0.059094306 0.081107323 -59.047807 38.388465 6768.0021 1.3432214e+08 0.057251759 0.080863660 -59.091373 38.314377 6769.3882 1.3554881e+08 0.053898804 0.085395737 -59.132164 38.246392 6770.7742 1.3622375e+08 0.051357581 0.088757507 -59.172956 38.178407 6772.1603 1.3631137e+08 0.048931845 0.092119276 -59.213747 38.110422 6773.5463 1.3927912e+08 0.045969346 0.095481046 -59.259472 38.031582 6774.9323 1.3992365e+08 0.043444132 0.098842815 -59.306090 37.950776 6776.3184 1.3515882e+08 0.041922752 0.10220459 -59.352709 37.869970 6777.7044 1.3806557e+08 0.038954349 0.10556635 -59.397372 37.791119 6779.0905 1.3591520e+08 0.036929563 0.10892812 -59.440883 37.713420 6780.4765 1.3488012e+08 0.034677711 0.11228989 -59.484394 37.635722 6781.8626 1.3741904e+08 0.031704860 0.11565166 -59.526786 37.562021 6783.2486 1.4118654e+08 0.028496436 0.11901343 -59.567578 37.494035 6784.6347 1.4082567e+08 0.025428767 0.12237520 -59.608369 37.426050 6786.0207 1.4172036e+08 0.019210884 0.12573697 -59.649161 37.358065 6787.4068 1.4901396e+08 0.018251087 0.12909874 -59.691949 37.280666 6788.7928 1.4838340e+08 0.019972804 0.13246051 -59.735460 37.199860 6790.1788 1.4429978e+08 0.019944817 0.13582228 -59.778971 37.119054