Zobrazeno 1 - 10
of 134
pro vyhledávání: '"Eke V"'
We examine the mechanisms by which atmosphere can be eroded by giant impacts onto Earth-like planets with thin atmospheres, using 3D smoothed particle hydrodynamics simulations with sufficient resolution to directly model the fate of low-mass atmosph
Externí odkaz:
http://arxiv.org/abs/2002.02977
Autor:
Kegerreis, J. A., Eke, V. R., Gonnet, P. G., Korycansky, D. G., Massey, R. J., Schaller, M., Teodoro, L. F. A.
We perform simulations of giant impacts onto the young Uranus using smoothed particle hydrodynamics (SPH) with over 100 million particles. This 100--1000$\times$ improvement in particle number reveals that simulations with below 10^7 particles fail t
Externí odkaz:
http://arxiv.org/abs/1901.09934
Autor:
Kegerreis, J. A., Teodoro, L. F. A., Eke, V. R., Massey, R. J., Catling, D. C., Fryer, C. L., Korycansky, D. G., Warren, M. S., Zahnle, K. J.
Publikováno v:
ApJ 861 (2018) 52
We perform a suite of smoothed particle hydrodynamics simulations to investigate in detail the results of a giant impact on the young Uranus. We study the internal structure, rotation rate, and atmospheric retention of the post-impact planet, as well
Externí odkaz:
http://arxiv.org/abs/1803.07083
Autor:
Eke, V. R., Bower, K. E., Diserens, S., Ryder, M., Yeomans, P. E. L., Teodoro, L. F. A., Elphic, R. C., Feldman, W. C., Hermalyn, B., Lavelle, C. M., Lawrence, D. J.
Publikováno v:
2015, J. Geophys. Res. Planets, 120
The variation of remotely sensed neutron count rates is measured as a function of cratercentric distance using data from the Lunar Prospector Neutron Spectrometer. The count rate, stacked over many craters, peaks over the crater centre, has a minimum
Externí odkaz:
http://arxiv.org/abs/1505.05403
Autor:
Teodoro, L. F. A., Lawrence, D. J., Eke, V. R., Elphic, R. E., Feldman, W. C., Maurice, S., Siegler, M. A., Paige, D. A.
We assess local-time variations of epithermal-neutron count rates measured by the Lunar Prospector Neutron Spectrometer. We investigate the nature of these variations and find no evidence to support the idea that such variations are caused by diurnal
Externí odkaz:
http://arxiv.org/abs/1501.05712
Autor:
Wilson, J. T., Eke, V. R., Massey, R. J., Elphic, R. C., Jolliff, B. L., Lawrence, D. J., Llewellin, E. W., McElwaine, J. N., Teodoro, L. F. A.
We reconstruct the abundance of thorium near the Compton-Belkovich Volcanic Complex on the Moon, using data from the Lunar Prospector Gamma Ray Spectrometer. We enhance the resolution via a pixon image reconstruction technique, and find that the thor
Externí odkaz:
http://arxiv.org/abs/1409.1209
A detailed comparison is made of results from the Lunar Prospector Neutron Spectrometer (LPNS) and the Lunar Exploration Neutron Detector Collimated Sensors for EpiThermal Neutrons (LEND CSETN). Using the autocorrelation function and power spectrum o
Externí odkaz:
http://arxiv.org/abs/1304.8123
Publikováno v:
Eke et al, 2012, ApJ, 747, 6
Data from the Lunar Exploration Neutron Detector (LEND) Collimated Sensors for Epithermal Neutrons (CSETN) are used in conjunction with a model based on results from the Lunar Prospector mission to quantify the extent of the background in the LEND CS
Externí odkaz:
http://arxiv.org/abs/1108.2048
Akademický článek
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A new analysis of the Lunar Prospector epithermal neutron data is presented, providing an improved map of the distribution of hydrogen near to the lunar poles. This is achieved using a specially developed pixon image reconstruction algorithm to decon
Externí odkaz:
http://arxiv.org/abs/0810.2478