Physics
Scientific paper
Dec 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001p%26ss...49.1685b&link_type=abstract
Planetary and Space Science, Volume 49, Issue 14-15, p. 1685-1692.
Physics
8
Scientific paper
The paper presents simulations of the energetic neutral atom (ENA) production in the Mercury magnetosphere and the obtained ENA images for the equatorial and polar vantage points. The ENA fluxes are found to be 102-103(cm2srskeV)-1 and up to 104-105(cm2srskeV)-1 in the energy range 10-50keV. Due to the small size of the magnetosphere, the particles injected in the tail can fill up the entire dayside magnetosphere making possible ENA imaging of the magnetospheric shape. The high variability of the Hermean magnetosphere gives rise to pulsating ENA emissions (ENA ``flashes'') which can be used to study the global dynamics. The ENA instrument requirements, /10°×10° angular resolution and 20s accumulation time, can be easily met by modern ENA instrumentation. Therefore, ENA imaging of the Mercury magnetosphere is feasible.
Barabash Stas
C:son Brandt Pontus
Luk'yanov A. V.
Lundin Richard
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