# # 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 = 40.419196 km # Date (UTC) = 2013-01-15T09:14:08.393 # Date (julian) = 2456307.88481937 # # Radial distance Density O-N2 Systematic error Random error Longitude Latitude 6475.4197 9.3963138e+10 0.040274692 0.024871081 -17.565939 51.739341 6477.1787 7.3991177e+10 0.051224776 0.025401497 -17.674005 51.638366 6478.9376 6.9080290e+10 0.053750654 0.025931913 -17.780498 51.535816 6480.6966 7.0703801e+10 0.051384378 0.026462328 -17.886990 51.433267 6482.4556 7.8528904e+10 0.045751051 0.026992744 -17.993483 51.330719 6484.2146 8.5273797e+10 0.041842083 0.027523160 -18.099976 51.228171 6485.9736 8.4309442e+10 0.041157356 0.028053576 -18.204378 51.125622 6487.7325 8.0187930e+10 0.041586124 0.028583992 -18.306927 51.023072 6489.4915 7.2841715e+10 0.042980848 0.029114407 -18.409492 50.920522 6491.2505 6.4833533e+10 0.044590125 0.029644823 -18.515949 50.817974 6493.0095 5.9911365e+10 0.045248199 0.030175239 -18.622442 50.715426 6494.7685 5.7787936e+10 0.045175565 0.030705655 -18.719646 50.618769 6496.5274 5.6313915e+10 0.044674305 0.031236070 -18.805923 50.529041 6498.2864 5.3851975e+10 0.043673109 0.031766486 -18.892200 50.439314 6500.0454 5.0050932e+10 0.042177578 0.032296902 -18.987620 50.342382 6501.8044 4.6628172e+10 0.041595532 0.032827318 -19.090169 50.239832 6503.5634 4.3673997e+10 0.044628032 0.033357733 -19.192613 50.137283 6505.3223 4.0777463e+10 0.053917179 0.033888149 -19.291218 50.034734 6507.0813 3.7936723e+10 0.067823733 0.034418565 -19.389822 49.932186 6508.8403 3.5449969e+10 0.082920553 0.034948981 -19.488427 49.829637 6510.5993 3.3449036e+10 0.096024399 0.035479397 -19.587031 49.727088 6512.3583 3.1859891e+10 0.10586444 0.036009812 -19.685636 49.624538 6514.1172 2.9994976e+10 0.11474431 0.036540228 -19.784240 49.521990 6515.8762 2.7829609e+10 0.12353850 0.037070644 -19.882845 49.419442 6517.6352 2.5887195e+10 0.13246641 0.037601060 -19.974817 49.322283 6519.3942 2.4322532e+10 0.14164220 0.038131475 -20.057643 49.232553 6521.1532 2.3073889e+10 0.15105555 0.038661891 -20.140469 49.142824 6522.9121 2.2084980e+10 0.15816582 0.039156108 -20.229481 49.046394 6524.6711 2.0877229e+10 0.16316925 0.039665382 -20.324141 48.943846 6526.4301 1.9629040e+10 0.16623577 0.040119005 -20.418798 48.841298 6528.1891 1.8423419e+10 0.16981159 0.041592488 -20.509568 48.738750 6529.9481 1.7273775e+10 0.17322983 0.043745974 -20.600284 48.636202 6531.7070 1.6234605e+10 0.17500561 0.046257797 -20.692783 48.533653 6533.4660 1.5177931e+10 0.17636333 0.047717635 -20.787443 48.431103 6535.2250 1.4218964e+10 0.17707478 0.048126689 -20.882103 48.328554 6536.9840 1.3365624e+10 0.17729942 0.048670901 -20.962754 48.237757 6538.7430 1.2710581e+10 0.17686408 0.049518468 -21.042129 48.148029 6540.5019 1.2162855e+10 0.17676325 0.051091236 -21.121645 48.058059 6542.2609 1.1585444e+10 0.17540364 0.051101301 -21.208417 47.955509 6544.0199 1.0975655e+10 0.17365458 0.051660498 -21.295189 47.852959 6545.7789 1.0317435e+10 0.17203663 0.052462545 -21.383868 47.750410 6547.5379 9.6792356e+09 0.17096075 0.053491906 -21.474584 47.647862 6549.2968 9.0965362e+09 0.16906440 0.054268793 -21.565300 47.545314 6551.0558 8.5861224e+09 0.16736444 0.055255348 -21.641990 47.451649 6552.8148 8.1734028e+09 0.16636201 0.055381680 -21.717915 47.358469 6554.5738 7.8523450e+09 0.16450055 0.054844421 -21.794388 47.264816 6556.3328 7.5309982e+09 0.16237744 0.053964202 -21.881159 47.162267 6558.0917 7.1854711e+09 0.16072156 0.053161123 -21.967931 47.059717 6559.8507 6.8006040e+09 0.15873311 0.052291158 -22.052671 46.957168 6561.6097 6.3946569e+09 0.15629096 0.051072230 -22.135498 46.854620 6563.3687 6.0117505e+09 0.15411203 0.049501878 -22.218325 46.752072 6565.1277 5.6817860e+09 0.15240922 0.048173427 -22.294389 46.662085 6566.8866 5.4443569e+09 0.15039387 0.046681309 -22.370314 46.572358 6568.6456 5.2511019e+09 0.14835797 0.045178175 -22.446806 46.481252 6570.4046 5.0227255e+09 0.14698684 0.044749906 -22.529633 46.374759 6572.1636 4.7651152e+09 0.14532175 0.044136472 -22.612460 46.268266 6573.9226 4.5043952e+09 0.14296879 0.042917142 -22.689626 46.170939 6575.6815 4.2989770e+09 0.14090231 0.041690899 -22.762100 46.081210 6577.4405 4.1421562e+09 0.13842890 0.039528407 -22.834573 45.991481 6579.1995 3.9890558e+09 0.13534567 0.036960818 -22.911207 45.893431 6580.9585 3.8231173e+09 0.13265146 0.035634970 -22.990090 45.790883 6582.7175 3.6421167e+09 0.13046741 0.035098551 -23.069422 45.688335 6584.4765 3.4523098e+09 0.12793897 0.034255971 -23.152250 45.585785 6586.2354 3.2683930e+09 0.12559544 0.033168253 -23.235078 45.483236 6587.9944 3.0960139e+09 0.12410971 0.033378693 -23.309921 45.386105 6589.7534 2.9594800e+09 0.12222340 0.031551320 -23.378943 45.292926 6591.5124 2.8468614e+09 0.11998289 0.028623760 -23.447964 45.199746 6593.2714 2.7376869e+09 0.11810882 0.026849947 -23.523699 45.100189 6595.0303 2.6141251e+09 0.11612815 0.025626716 -23.602583 44.997641 6596.7893 2.4786874e+09 0.11390673 0.025723685 -23.679532 44.896957 6598.5483 2.3644171e+09 0.11226692 0.025145392 -23.745103 44.807229 6600.3073 2.2725597e+09 0.11182215 0.025621566 -23.810674 44.717501 6602.0663 2.1940467e+09 0.11103707 0.027460098 -23.879543 44.624597 6603.8252 2.0988349e+09 0.10952791 0.026174740 -23.958426 44.522047 6605.5842 1.9994615e+09 0.10910796 0.027155149 -24.037309 44.419498 6607.3432 1.9043352e+09 0.10752929 0.025029323 -24.106709 44.323623 6609.1022 1.8264445e+09 0.10464789 0.023736281 -24.172280 44.230443 6610.8612 1.7678158e+09 0.10181513 0.024825789 -24.237851 44.137263 6612.6201 1.7016522e+09 0.10040446 0.023857414 -24.311055 44.036451 6614.3791 1.6356503e+09 0.099081017 0.023679300 -24.385994 43.933903 6616.1381 1.5605237e+09 0.097415976 0.023303972 -24.460934 43.831355 6617.8971 1.4772789e+09 0.096687690 0.023736670 -24.535873 43.728805 6619.6561 1.4001243e+09 0.095783916 0.024684208 -24.610811 43.626256 6621.4150 1.3302235e+09 0.094546133 0.024951883 -24.676220 43.530668 6623.1740 1.2807888e+09 0.092863131 0.024556294 -24.738349 43.437475 6624.9330 1.2380404e+09 0.091491658 0.025361735 -24.800479 43.344283 6626.6920 1.1968566e+09 0.089786975 0.025709268 -24.873455 43.243167 6628.4510 1.1441792e+09 0.088953084 0.025886186 -24.948395 43.140618 6630.2099 1.0837023e+09 0.088053802 0.025928819 -25.019342 43.042061 6631.9689 1.0347492e+09 0.086799371 0.026029187 -25.081462 42.952333 6633.7279 9.9541174e+08 0.085735807 0.026279335 -25.143582 42.862606 6635.4869 9.6378946e+08 0.084636579 0.026472801 -25.209373 42.767573 6637.2459 9.2568495e+08 0.083631604 0.026041001 -25.280369 42.665024 6639.0048 8.8096084e+08 0.082826584 0.025626348 -25.351364 42.562474 6640.7638 8.3710320e+08 0.083606810 0.025177198 -25.411532 42.468155 6642.5228 8.0403285e+08 0.083456959 0.025173090 -25.470201 42.374975 6644.2818 7.8164835e+08 0.082481207 0.025374060 -25.528870 42.281795 6646.0408 7.5686841e+08 0.081575579 0.025941241 -25.599627 42.179427 6647.7997 7.2711709e+08 0.080785903 0.026858842 -25.670622 42.076879 6649.5587 6.9273454e+08 0.079995966 0.026863531 -25.736127 41.980040 6651.3177 6.5730575e+08 0.079644954 0.026727630 -25.794795 41.890311 6653.0767 6.3009932e+08 0.079322738 0.027564807 -25.853464 41.800582 6654.8357 6.0908341e+08 0.078230805 0.027680230 -25.918884 41.701673 6656.5946 5.8740629e+08 0.076527335 0.028545322 -25.989879 41.595181 6658.3536 5.6255145e+08 0.075299641 0.030688217 -26.060715 41.488906 6660.1126 5.3792744e+08 0.074138223 0.031728338 -26.119391 41.399167 6661.8716 5.1758152e+08 0.072786681 0.032978860 -26.178059 41.309438 6663.6306 4.9952901e+08 0.071681291 0.032308471 -26.237237 41.218239 6665.3895 4.8180170e+08 0.071610271 0.027908868 -26.300344 41.115691 6667.1485 4.5814521e+08 0.071353138 0.027158009 -26.363451 41.013142 6668.9075 4.3717618e+08 0.070394808 0.028273840 -26.428843 40.910593 6670.6665 4.1265835e+08 0.070659754 0.027019866 -26.495894 40.808043 6672.4255 3.9028983e+08 0.070499071 0.027126199 -26.562425 40.705905 6674.1844 3.7032823e+08 0.069725394 0.029110372 -26.617643 40.612726 6675.9434 3.5339452e+08 0.067823199 0.031605338 -26.672860 40.519547 6677.7024 3.4489146e+08 0.066766807 0.031359694 -26.729808 40.424997 6679.4614 3.3212600e+08 0.066442069 0.029886514 -26.796859 40.322449 6681.2204 3.1797268e+08 0.067127365 0.029826409 -26.863910 40.219901 6682.9793 3.0095793e+08 0.067530131 0.031172790 -26.923732 40.125184 6684.7383 2.8682327e+08 0.067225295 0.032691558 -26.978949 40.035455 6686.4973 2.7615109e+08 0.065978335 0.034050417 -27.034167 39.945726 6688.2563 2.6734242e+08 0.063625665 0.033844347 -27.095012 39.846853 6690.0153 2.5309810e+08 0.061936598 0.033114116 -27.158119 39.744305 6691.7742 2.3615258e+08 0.060780645 0.032818595 -27.221226 39.641054 6693.5332 2.2572253e+08 0.059754490 0.031421164 -27.284334 39.534561 6695.2922 2.1686701e+08 0.059176641 0.029805801 -27.347441 39.428068 6697.0512 2.0813149e+08 0.058360447 0.030097741 -27.403262 39.332347 6698.8102 1.9727687e+08 0.056969554 0.031329845 -27.455028 39.242620 6700.5691 1.8499955e+08 0.055184704 0.031089860 -27.506794 39.152892 6702.3281 1.7655539e+08 0.053920997 0.033138730 -27.567007 39.053614 6704.0871 1.7169251e+08 0.053927669 0.036220321 -27.630114 38.951064 6705.8461 1.6269672e+08 0.053702420 0.038172753 -27.690845 38.851201 6707.6051 1.5977421e+08 0.053288555 0.040100153 -27.742612 38.761473 6709.3640 1.5480720e+08 0.052431350 0.040901000 -27.794378 38.671745 6711.1230 1.5070948e+08 0.050843185 0.040832188 -27.848451 38.578018 6712.8820 1.4701208e+08 0.049173016 0.043467526 -27.907614 38.475469 6714.6410 1.3878619e+08 0.047266384 0.047351597 -27.966776 38.372919 6716.4000 1.3699224e+08 0.045773761 0.048990454 -28.025939 38.267309 6718.1589 1.2872023e+08 0.043885757 0.050059941 -28.085101 38.160817 6719.9179 1.2183191e+08 0.042867539 0.050497755 -28.142481 38.058367 6721.6769 1.1646193e+08 0.042977562 0.050507850 -28.194247 37.968638 6723.4359 1.1184747e+08 0.041634749 0.049612038 -28.246014 37.878909 6725.1949 1.1216491e+08 0.038125374 0.041454305 -28.300321 37.784778 6726.9538 1.0632393e+08 0.036666733 0.040959970 -28.359484 37.682230 6728.7128 1.0170477e+08 0.036430971 0.040638390 -28.418646 37.579682 6730.4718 95023571. 0.034782088 0.041025789 -28.477809 37.477132 6732.2308 89022314. 0.033157374 0.043782694 -28.536971 37.374583 6733.9898 86601376. 0.032037526 0.049297970 -28.595058 37.272034 6735.7487 82932160. 0.032867254 0.050088268 -28.650277 37.169485 6737.5077 80857116. 0.033199891 0.055752900 -28.705496 37.066936 6739.2667 72617026. 0.031142111 0.063152934 -28.758169 36.973840 6741.0257 67831749. 0.026478340 0.065831914 -28.809936 36.884111 6742.7847 62108224. 0.014779580 0.070522709 -28.861703 36.794382 6744.5436 61360687. -0.034861558 0.078213899 -28.916368 36.693889 6746.3026 61461711. 0.0034870998 0.075469051 -28.971586 36.591341 6748.0616 58687061. 0.083541473 0.067340948 -29.026804 36.487593