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Probing the heliosphere with energetic hydrogen atomsThe 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.
Document ID
19920063055
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Hsieh, K. C.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Shih, K. L.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Jokipii, J. R.
(Arizona, University Tucson, United States)
Grzedzielski, S.
(Polish Academy of Sciences, Space Research Centre Warsaw, Poland)
Date Acquired
August 15, 2013
Publication Date
July 10, 1992
Publication Information
Publication: Astrophysical Journal, Part 1
Volume: 393
Issue: 2 Ju
ISSN: 0004-637X
Subject Category
Space Radiation
Accession Number
92A45679
Funding Number(s)
CONTRACT_GRANT: NAGW-1931
CONTRACT_GRANT: NASW-1419
CONTRACT_GRANT: NAG5-625
CONTRACT_GRANT: NSF ATM-89-22151
Distribution Limits
Public
Copyright
Other

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