# # 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 = 53.253289 km # Date (UTC) = 2015-11-15T09:32:14.632 # Date (julian) = 2457341.89739158 # # Radial distance Density O-N2 Systematic error Random error Longitude Latitude 6509.5655 4.6820071e+10 0.089239764 0.035167654 112.64776 30.068836 6511.5098 4.3000349e+10 0.098150471 0.035753959 112.69572 29.938043 6513.4541 3.9865675e+10 0.10730583 0.036340264 112.74368 29.807250 6515.3984 3.7222209e+10 0.11669883 0.036926569 112.79163 29.680241 6517.3428 3.4975060e+10 0.12634307 0.037512874 112.83959 29.553807 6519.2871 3.2677505e+10 0.13609122 0.038099179 112.89214 29.415266 6521.2314 3.0234460e+10 0.14586705 0.038685484 112.94809 29.267755 6523.1757 2.7874353e+10 0.15245139 0.039222667 112.99918 29.130417 6525.1201 2.5647925e+10 0.15746408 0.039768514 113.04714 28.999624 6527.0644 2.3766748e+10 0.16110387 0.040763206 113.09510 28.870204 6529.0087 2.2186650e+10 0.16322221 0.042249635 113.14306 28.743770 6530.9530 2.0778977e+10 0.16559161 0.045162904 113.19101 28.617337 6532.8973 1.9581109e+10 0.16884575 0.047433824 113.23897 28.490903 6534.8417 1.8408931e+10 0.17006406 0.048180003 113.28693 28.364469 6536.7860 1.7089617e+10 0.17006015 0.048493739 113.33700 28.219006 6538.7303 1.5708916e+10 0.17026211 0.049512300 113.38787 28.066410 6540.6746 1.4374901e+10 0.17045303 0.051172813 113.43652 27.933733 6542.6189 1.3280919e+10 0.16999275 0.051237224 113.48447 27.807299 6544.5633 1.2393847e+10 0.16966197 0.052101282 113.53039 27.680866 6546.5076 1.1613690e+10 0.16886696 0.052882191 113.57399 27.554433 6548.4519 1.0879513e+10 0.16827027 0.053802602 113.61835 27.427999 6550.3962 1.0152378e+10 0.16765620 0.055084573 113.66630 27.301566 6552.3406 9.5222699e+09 0.16645643 0.055501049 113.71426 27.175132 6554.2849 8.9597064e+09 0.16398361 0.054838358 113.75838 27.044860 6556.2292 8.4708859e+09 0.16126535 0.053979429 113.80198 26.914067 6558.1735 8.0338063e+09 0.15894321 0.053091445 113.84813 26.785831 6560.1178 7.6062548e+09 0.15649385 0.052168060 113.89609 26.659397 6562.0622 7.1842614e+09 0.15405012 0.050820753 113.94277 26.532964 6564.0065 6.7858583e+09 0.15133491 0.048768659 113.98637 26.406530 6565.9508 6.4141298e+09 0.14948389 0.047238745 114.02997 26.280097 6567.8951 6.0878857e+09 0.14832551 0.045860335 114.07356 26.153663 6569.8394 5.7845080e+09 0.14705210 0.044907060 114.11716 26.027229 6571.7838 5.4578525e+09 0.14567683 0.044289212 114.16588 25.885947 6573.7281 5.1195438e+09 0.14388650 0.043073205 114.21674 25.738467 6575.6724 4.8049497e+09 0.14235184 0.041700066 114.26223 25.606543 6577.6167 4.5353181e+09 0.14056854 0.039251631 114.30583 25.480109 6579.5611 4.3061193e+09 0.13840412 0.036762060 114.34942 25.353675 6581.5054 4.1039299e+09 0.13639591 0.035443573 114.39302 25.227243 6583.4497 3.9078371e+09 0.13469467 0.034794048 114.43662 25.100809 6585.3940 3.7278434e+09 0.13291611 0.033655762 114.48022 24.974375 6587.3383 3.5604696e+09 0.13118917 0.033233333 114.52381 24.847941 6589.2827 3.3915027e+09 0.12924587 0.032485196 114.56367 24.721508 6591.2270 3.2389073e+09 0.12676303 0.028945782 114.60291 24.595075 6593.1713 3.0907728e+09 0.12460598 0.026942956 114.64461 24.468641 6595.1156 2.9444657e+09 0.12212065 0.025635562 114.68821 24.342208 6597.0600 2.8080885e+09 0.11940287 0.025703809 114.73180 24.215774 6599.0043 2.6743901e+09 0.11719353 0.024929987 114.77540 24.089339 6600.9486 2.5491174e+09 0.11676674 0.026940010 114.81900 23.962905 6602.8929 2.4379944e+09 0.11528754 0.026754655 114.85834 23.836472 6604.8372 2.3289619e+09 0.11383031 0.026568400 114.89758 23.710039 6606.7816 2.2258655e+09 0.11215264 0.026099526 114.93979 23.583606 6608.7259 2.1301192e+09 0.10877379 0.023713179 114.98339 23.457172 6610.6702 2.0348571e+09 0.10561168 0.024643342 115.02529 23.330738 6612.6145 1.9359820e+09 0.10415620 0.023861603 115.06453 23.204305 6614.5588 1.8421248e+09 0.10334831 0.023555470 115.10329 23.079754 6616.5032 1.7631429e+09 0.10233789 0.023361271 115.13763 22.972941 6618.4475 1.7045483e+09 0.10200373 0.024108703 115.17196 22.866129 6620.3918 1.6587210e+09 0.10151715 0.024893458 115.21069 22.750006 6622.3361 1.6053472e+09 0.10049094 0.024668525 115.25429 22.623573 6624.2805 1.5458752e+09 0.099048056 0.025012435 115.29710 22.497140 6626.2248 1.4840490e+09 0.098065968 0.026304519 115.33633 22.370706 6628.1691 1.4263751e+09 0.096792901 0.025771750 115.37557 22.244272 6630.1134 1.3667506e+09 0.095703824 0.025928581 115.41481 22.117839 6632.0577 1.3133974e+09 0.094218411 0.026039269 115.45405 21.991406 6634.0021 1.2595656e+09 0.092951181 0.026326993 115.49328 21.867560 6635.9464 1.2113693e+09 0.091662977 0.026541712 115.53252 21.745486 6637.8907 1.1646624e+09 0.090766959 0.025725172 115.57176 21.622105 6639.8350 1.1158815e+09 0.090512709 0.025329617 115.61100 21.495671 6641.7793 1.0709718e+09 0.090664525 0.025150947 115.65024 21.369237 6643.7237 1.0243171e+09 0.089797108 0.025301884 115.68947 21.242804 6645.6680 9.8014436e+08 0.088866980 0.025764613 115.72871 21.116370 6647.6123 9.4578279e+08 0.087763631 0.026760165 115.76795 20.993042 6649.5566 9.1225957e+08 0.086696612 0.026866394 115.80719 20.870968 6651.5010 8.8346813e+08 0.086036029 0.026868076 115.84643 20.747069 6653.4453 8.4854294e+08 0.085401719 0.027753004 115.88566 20.620636 6655.3896 8.1000683e+08 0.083934597 0.027771199 115.92490 20.494748 6657.3339 7.7258345e+08 0.082185978 0.029288449 115.96414 20.372674 6659.2782 7.3499318e+08 0.080635554 0.031776557 116.00338 20.250600 6661.2226 7.0714191e+08 0.079168223 0.032648306 116.04262 20.124902 6663.1669 6.7878630e+08 0.077894195 0.032436965 116.08185 19.998468 6665.1112 6.5798880e+08 0.077266779 0.028364914 116.11875 19.874378 6667.0555 6.3909424e+08 0.076829312 0.027123854 116.15363 19.752304 6668.9999 6.1217888e+08 0.075795372 0.028355856 116.18957 19.629167 6670.9442 5.8537728e+08 0.076174653 0.026891212 116.22881 19.502734 6672.8885 5.5965578e+08 0.076057976 0.027394586 116.26804 19.376301 6674.8328 5.3539666e+08 0.074932241 0.029657325 116.30728 19.254010 6676.7771 5.1726250e+08 0.073004715 0.032214584 116.34652 19.131936 6678.7215 4.9550219e+08 0.072517849 0.030454072 116.38004 19.019881 6680.6658 4.7997147e+08 0.073370110 0.029585186 116.41055 18.913069 6682.6101 4.6986660e+08 0.073976165 0.030890684 116.44138 18.805569 6684.5544 4.5939694e+08 0.073962186 0.032682226 116.48061 18.679136 6686.4987 4.4666946e+08 0.072945117 0.034051262 116.51985 18.552703 6688.4431 4.2765864e+08 0.070640110 0.033887465 116.55586 18.429501 6690.3874 4.1218601e+08 0.069332763 0.033071469 116.59074 18.307426 6692.3317 3.9296169e+08 0.068526698 0.032380134 116.62757 18.185351 6694.2760 3.7710752e+08 0.067772944 0.030874155 116.66680 18.063278 6696.2204 3.6531745e+08 0.067603828 0.029767338 116.70537 17.941204 6698.1647 3.5563141e+08 0.066764461 0.030443852 116.74025 17.819131 6700.1090 3.4597014e+08 0.065266785 0.030748564 116.77513 17.697058 6702.0533 3.3007524e+08 0.063785298 0.032919304 116.81000 17.571233 6703.9976 3.1683988e+08 0.064108651 0.036171646 116.84488 17.444799 6705.9420 3.0252536e+08 0.064146874 0.038343222 116.88223 17.320836 6707.8863 2.9295840e+08 0.063793305 0.040059867 116.92147 17.198763 6709.8306 2.8637080e+08 0.062710279 0.040604239 116.95951 17.076690 6711.7749 2.7605293e+08 0.060772790 0.041573885 116.99439 16.954615 6713.7192 2.6738206e+08 0.058802714 0.046287986 117.02927 16.832540 6715.6636 2.5597253e+08 0.057172786 0.048057267 117.06415 16.710466 6717.6079 2.4219210e+08 0.055280840 0.049836668 117.09903 16.588392 6719.5522 2.3340847e+08 0.053684405 0.050845197 117.13391 16.466319 6721.4965 2.2329974e+08 0.053987987 0.050453507 117.16879 16.344246 6723.4409 2.1545129e+08 0.052663185 0.049614816 117.20367 16.222172 6725.3852 2.0771238e+08 0.048838039 0.041335419 117.23854 16.100098 6727.3295 2.0253714e+08 0.047651299 0.040521400 117.27342 15.978025 6729.2738 1.9331229e+08 0.047217150 0.040862919 117.30830 15.855951 6731.2181 1.8743966e+08 0.045618326 0.042184167 117.34318 15.733878 6733.1625 1.8076982e+08 0.044626175 0.044806365 117.37806 15.611803 6735.1068 1.7177334e+08 0.044937864 0.049406792 117.41293 15.489729 6737.0511 1.6778287e+08 0.046429815 0.054298365 117.44781 15.367655 6738.9954 1.6032298e+08 0.047089045 0.062801380 117.48269 15.245581 6740.9397 1.5848008e+08 0.046016376 0.065655763 117.51757 15.123507 6742.8841 1.5415452e+08 0.042855763 0.070764957 117.55245 15.001434 6744.8284 1.4918945e+08 0.039537811 0.078434153 117.58732 14.879360 6746.7727 1.4154740e+08 0.035771622 0.070003612 117.62220 14.757287 6748.7170 1.3665280e+08 0.034965307 0.070789249 117.65708 14.635213 6750.6614 1.3387147e+08 0.032149269 0.073133426 117.69196 14.513140 6752.6057 1.2836664e+08 0.029416187 0.073433593 117.72684 14.391066 6754.5500 1.2608216e+08 0.028029845 0.075329001 117.76172 14.268992 6756.4943 1.2158698e+08 0.025572225 0.075438873 117.79660 14.146919 6758.4386 1.2056096e+08 0.025716164 0.074632893 117.83172 14.024201 6760.3830 1.1425627e+08 0.026131733 0.076791568 117.87241 13.886891 6762.3273 1.0822168e+08 0.030187563 0.077522904 117.91232 13.750737 6764.2716 1.0268174e+08 0.032770166 0.079496298 117.94284 13.628663 6766.2159 96842044. 0.033915578 0.080202185 117.97336 13.506589 6768.1603 95053731. 0.030861211 0.081432649 118.00728 13.384516 6770.1046 91502507. 0.026699661 0.087133337 118.04216 13.262442 6772.0489 89268364. 0.023155424 0.091849172 118.07704 13.140369 6773.9932 88463358. 0.019652511 0.096565006 118.11191 13.018295 6775.9375 85435639. 0.016136089 0.10128084 118.14594 12.897071 6777.8819 82961671. 0.012644307 0.10599668 118.17646 12.779356 6779.8262 82700339. 0.0092009456 0.11071251 118.20698 12.661641 6781.7705 82290315. 0.0057442601 0.11542835 118.24143 12.539998 6783.7148 78105206. 0.0021909988 0.12014418 118.27631 12.417925 6785.6591 76099505. -0.0013407713 0.12486001 118.31163 12.286581 6787.6035 71396364. -0.0049881521 0.12957585 118.34723 12.149244 6789.5478 64596331. -0.0087946264 0.13429168 118.38237 12.021698 6791.4921 65732889. -0.012371445 0.13900752 118.41725 11.899624 6793.4364 62171024. -0.016285324 0.14372335 118.45213 11.777550 6795.3808 63075537. -0.020143183 0.14843919 118.48701 11.655476 6797.3251 62309182. -0.024405771 0.15315502 118.52192 11.532578 6799.2694 55792941. -0.029887551 0.15787086 118.55753 11.395242 6801.2137 53084642. -0.037350828 0.16258669 118.59268 11.259249 6803.1580 49154599. -0.064377329 0.16730253 118.62321 11.137174 6805.1024 46057909. -0.050314273 0.17201836 118.65373 11.015100 6807.0467 45769269. -0.010784255 0.17673420 118.68771 10.896489