# # 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 = 47.011046 km # Date (UTC) = 2013-11-30T10:17:29.570 # Date (julian) = 2456626.92881446 # # Radial distance Density O-N2 Systematic error Random error Longitude Latitude 6510.7569 4.9478587e+10 0.093089801 0.035526934 -33.334582 54.847019 6512.8139 4.6212246e+10 0.10287680 0.036147221 -33.463728 54.752205 6514.8710 4.2541170e+10 0.11266466 0.036767509 -33.592874 54.655346 6516.9280 3.9316386e+10 0.12268723 0.037387796 -33.721780 54.558727 6518.9850 3.6537933e+10 0.13295079 0.038008084 -33.836591 54.476202 6521.0420 3.4296327e+10 0.14355847 0.038628371 -33.951386 54.393694 6523.0990 3.2423805e+10 0.15141481 0.039203655 -34.068534 54.307912 6525.1560 3.0428258e+10 0.15700952 0.039764407 -34.193643 54.211051 6527.2131 2.8385842e+10 0.16107322 0.040871149 -34.318752 54.114191 6529.2701 2.6324316e+10 0.16377761 0.042665980 -34.440836 54.017330 6531.3271 2.4439186e+10 0.16632668 0.045704753 -34.561912 53.920470 6533.3841 2.2694767e+10 0.16875192 0.047682818 -34.682988 53.823609 6535.4411 2.0979269e+10 0.16923410 0.048032943 -34.804062 53.726751 6537.4981 1.9379985e+10 0.16997678 0.048920072 -34.925137 53.629892 6539.5551 1.7986948e+10 0.17021751 0.050315616 -35.035531 53.541576 6541.6122 1.6920132e+10 0.16939370 0.051128011 -35.143166 53.455467 6543.6692 1.6028209e+10 0.16844770 0.051557521 -35.250929 53.369256 6545.7262 1.5142615e+10 0.16732874 0.052462073 -35.371974 53.272420 6547.7832 1.4210628e+10 0.16649647 0.053585203 -35.493049 53.175561 6549.8402 1.3213464e+10 0.16524482 0.054822531 -35.611986 53.078701 6551.8972 1.2288016e+10 0.16362345 0.055550694 -35.729026 52.981841 6553.9543 1.1394956e+10 0.16136339 0.054855378 -35.845856 52.884980 6556.0113 1.0522134e+10 0.15944616 0.054011469 -35.958858 52.788121 6558.0683 9.7321563e+09 0.15805632 0.053181121 -36.071861 52.691262 6560.1253 9.0718092e+09 0.15607019 0.052161339 -36.177656 52.600581 6562.1823 8.5609639e+09 0.15375077 0.050706428 -36.278103 52.514484 6564.2393 8.1479983e+09 0.15125947 0.048663135 -36.378550 52.428387 6566.2963 7.7449397e+09 0.14948023 0.047015245 -36.488871 52.333826 6568.3534 7.3125393e+09 0.14820110 0.045446844 -36.601873 52.236965 6570.4104 6.8600376e+09 0.14712757 0.044747519 -36.714881 52.140101 6572.4674 6.4155441e+09 0.14582040 0.043962496 -36.827900 52.043227 6574.5244 6.0023103e+09 0.14399231 0.042603137 -36.940920 51.946354 6576.5814 5.6179279e+09 0.14212227 0.040702171 -37.050571 51.849491 6578.6384 5.2602524e+09 0.13983129 0.037641456 -37.159539 51.752631 6580.6954 4.9405101e+09 0.13773272 0.035878060 -37.262960 51.659574 6582.7525 4.6676421e+09 0.13591872 0.035089029 -37.356231 51.573479 6584.8095 4.4482035e+09 0.13376165 0.034074558 -37.449503 51.487384 6586.8665 4.2398349e+09 0.13145938 0.033160095 -37.551655 51.395197 6588.9235 4.0140006e+09 0.12919239 0.033071522 -37.660621 51.298336 6590.9805 3.7730504e+09 0.12636430 0.029238141 -37.769232 51.201121 6593.0375 3.5327528e+09 0.12397070 0.027067322 -37.874164 51.100225 6595.0946 3.3170749e+09 0.12133310 0.025633377 -37.979096 50.999330 6597.1516 3.1183130e+09 0.11887725 0.025674898 -38.081566 50.900897 6599.2086 2.9271456e+09 0.11749711 0.024942275 -38.182461 50.804038 6601.2656 2.7474779e+09 0.11776568 0.027170771 -38.282349 50.708602 6603.3226 2.5955006e+09 0.11691893 0.026472287 -38.375632 50.622494 6605.3796 2.4746656e+09 0.11645198 0.026983521 -38.468915 50.536386 6607.4366 2.3659378e+09 0.11496082 0.024844789 -38.564825 50.445173 6609.4937 2.2668690e+09 0.11207408 0.023852571 -38.665720 50.344278 6611.5507 2.1589408e+09 0.10957526 0.024607289 -38.766616 50.243382 6613.6077 2.0496689e+09 0.10868474 0.023796553 -38.867512 50.145988 6615.6647 1.9479175e+09 0.10729431 0.023271983 -38.968408 50.049129 6617.7217 1.8436952e+09 0.10651197 0.023678533 -39.067731 49.952269 6619.7787 1.7459260e+09 0.10582668 0.024713810 -39.164592 49.855409 6621.8357 1.6570670e+09 0.10463335 0.024812434 -39.261452 49.758548 6623.8928 1.5770873e+09 0.10267747 0.024822581 -39.348498 49.668231 6625.9498 1.5131609e+09 0.10135914 0.026530976 -39.434593 49.578548 6628.0068 1.4576043e+09 0.099336387 0.025705854 -39.522026 49.487973 6630.0638 1.4055246e+09 0.097600878 0.025928459 -39.618886 49.391112 6632.1208 1.3498499e+09 0.095502929 0.026046833 -39.715746 49.294252 6634.1778 1.2882332e+09 0.093688905 0.026339815 -39.812607 49.194783 6636.2349 1.2226638e+09 0.091869163 0.026458549 -39.909467 49.093888 6638.2919 1.1570924e+09 0.090563901 0.025658926 -40.005647 48.993673 6640.3489 1.0980256e+09 0.090479523 0.025227965 -40.098471 48.896813 6642.4059 1.0451915e+09 0.090353098 0.025168306 -40.191296 48.799954 6644.4629 9.9611650e+08 0.089484213 0.025393637 -40.284129 48.700296 6646.5199 9.4915422e+08 0.088589486 0.026189280 -40.376967 48.599385 6648.5769 9.0367067e+08 0.087644920 0.027350494 -40.468940 48.499339 6650.6340 8.5644851e+08 0.087295328 0.026400369 -40.557727 48.402478 6652.6910 8.1104963e+08 0.087004135 0.027440636 -40.646514 48.305618 6654.7480 7.7099472e+08 0.086055364 0.027717574 -40.730685 48.214036 6656.8050 7.3825806e+08 0.084210808 0.028729967 -40.813195 48.124353 6658.8620 7.1095207e+08 0.082645835 0.031589891 -40.895705 48.034669 6660.9190 6.8530222e+08 0.081276076 0.032461358 -40.984165 47.938184 6662.9761 6.5717439e+08 0.080055055 0.032496649 -41.072953 47.841324 6665.0331 6.3021032e+08 0.079311824 0.028492949 -41.161741 47.742567 6667.0901 6.0008862e+08 0.078778284 0.027136546 -41.250529 47.641672 6669.1471 5.7144656e+08 0.077498311 0.028204624 -41.339318 47.540776 6671.2041 5.4440925e+08 0.077422045 0.026868257 -41.424101 47.443885 6673.2611 5.2113818e+08 0.076750199 0.027849752 -41.508853 47.347024 6675.3181 5.0076584e+08 0.074792699 0.030407717 -41.595681 47.248088 6677.3752 4.7682062e+08 0.072838962 0.031824892 -41.684470 47.147192 6679.4322 4.5457128e+08 0.072291360 0.029910643 -41.773110 47.046297 6681.4892 4.3132918e+08 0.072912248 0.030032656 -41.857862 46.945401 6683.5462 4.0984557e+08 0.073008029 0.031989047 -41.942614 46.844506 6685.6032 3.9213462e+08 0.072374231 0.033341985 -42.027373 46.745858 6687.6602 3.7492613e+08 0.070120406 0.033974682 -42.112139 46.648984 6689.7172 3.6182789e+08 0.067828579 0.033370386 -42.196574 46.551782 6691.7743 3.5009242e+08 0.066715748 0.032818588 -42.277291 46.450887 6693.8313 3.3488028e+08 0.065680195 0.031318909 -42.358007 46.349991 6695.8883 3.2022819e+08 0.065375756 0.029696305 -42.441160 46.251532 6697.9453 3.0606614e+08 0.064448754 0.030210896 -42.525912 46.154671 6700.0023 2.9358624e+08 0.062719530 0.030669442 -42.610156 46.057303 6702.0593 2.8088817e+08 0.060850567 0.032924112 -42.690873 45.956407 6704.1164 2.7047717e+08 0.060902326 0.036234689 -42.771589 45.855512 6706.1734 2.5867057e+08 0.060550404 0.038748140 -42.852306 45.754616 6708.2304 2.4893461e+08 0.059838783 0.040294458 -42.933023 45.653721 6710.2874 2.4026294e+08 0.058222991 0.040552750 -43.013053 45.553512 6712.3444 2.2757985e+08 0.055827275 0.042469422 -43.089733 45.456653 6714.4014 2.1617739e+08 0.053426796 0.047333588 -43.166414 45.359793 6716.4584 2.0554284e+08 0.051246913 0.049076607 -43.245889 45.260139 6718.5155 1.9783140e+08 0.048689615 0.050615204 -43.326606 45.159244 6720.5725 1.9078923e+08 0.048027394 0.050353435 -43.406456 45.059214 6722.6295 1.8421564e+08 0.047080023 0.049826990 -43.483138 44.962354 6724.6865 1.7568674e+08 0.043187618 0.044193901 -43.559819 44.865494 6726.7435 1.6870308e+08 0.040501279 0.040958073 -43.644572 44.755038 6728.8005 1.6315157e+08 0.039824130 0.040762721 -43.732209 44.639727 6730.8576 1.5424236e+08 0.037793134 0.041554710 -43.813614 44.532614 6732.9146 1.5035988e+08 0.036482702 0.043908577 -43.890294 44.431718 6734.9716 1.4526595e+08 0.036393806 0.049295142 -43.966976 44.331187 6737.0286 1.3992543e+08 0.037941681 0.054226658 -44.043669 44.234313 6739.0856 1.3422567e+08 0.038528616 0.062931323 -44.120362 44.137438 6741.1426 1.2495882e+08 0.037096446 0.066165469 -44.194571 44.038096 6743.1996 1.2034392e+08 0.033521584 0.072394216 -44.267216 43.937200 6745.2567 1.1603112e+08 0.030913601 0.078674783 -44.341270 43.834348 6747.3137 1.1530908e+08 0.026801195 0.067253176 -44.424292 43.719037 6749.3707 1.1151422e+08 0.026183475 0.072176439 -44.507315 43.603725 6751.4277 1.0632391e+08 0.023415269 0.073892506 -44.580296 43.506270 6753.4847 1.0162968e+08 0.021611913 0.074545922 -44.652940 43.409411 6755.5417 95602454. 0.019666912 0.074367830 -44.725586 43.310574 6757.5987 91022696. 0.018393835 0.074923018 -44.798231 43.209678 6759.6558 87078470. 0.019397731 0.075978201 -44.871007 43.108600 6761.7128 81615690. 0.022104000 0.078027114 -44.954026 42.993296 6763.7698 77864135. 0.025805421 0.078782184 -45.037051 42.877985 6765.8268 74172588. 0.027571195 0.079682130 -45.107909 42.778247 6767.8838 71345642. 0.024928730 0.080986113 -45.176518 42.681386 6769.9408 71109170. 0.020212750 0.086736207 -45.246606 42.583048 6771.9979 66312030. 0.015256088 0.091725373 -45.319251 42.482153 6774.0549 62899315. 0.0095309398 0.096714539 -45.391896 42.381257 6776.1119 59862776. 0.0021526210 0.10170370 -45.469663 42.267554 6778.1689 52932729. -0.011611772 0.10669287 -45.548074 42.152242 6780.2259 52194578. -0.064308187 0.11168204 -45.619425 42.050223 6782.2829 50894734. -0.029272208 0.11667120 -45.688035 41.953364 6784.3399 54010845. 0.052595612 0.12166037 -45.757904 41.852028