Probing the heliosphere with energetic hydrogen atoms

Details Probing the heliosphere with energetic hydrogen atoms Probing the heliosphere with energetic hydrogen atoms

Jul 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992apj...393..756h&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 393, no. 2, July 10, 1992, p. 756-763.

Astronomy and Astrophysics

Astrophysics

42

Energetic Particles, Heliosphere, Hydrogen Atoms, Interplanetary Medium, Neutral Atoms, Solar Cosmic Rays, Charge Exchange, Interplanetary Space, Planetary Magnetospheres, Solar Wind

Scientific paper

The idea of using energetic neutral atoms (ENAs), produced by charge exchange between energetic ions and ambient neutral atoms, as a diagnostic tool to investigate planetary magnetospheres from a distance has been extended to the investigation of the heliosphere. The paper explores what one can reasonably expect of the heliospheric ENA (HSENA) and what criteria would be imposed on HSENA instruments by concentrating on 10-10 exp 3 keV protons in quiet-time interplanetary space, solar-flare events, corotating interaction regions, and populations have distinctive signatures and that the detection of these particles can reveal energy spatial and propagation of ions in 3D interplanetary space, including the solar-wind termination shock. Such breadth of information could not be gained by in situ means.

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