First Global Images of Ion Energization in the Terrestrial Foreshock by the Interstellar Boundary Explorer

©2020. The Authors.

Bibliographische Detailangaben
Veröffentlicht in:Geophysical research letters. - 1984. - 47(2020), 16 vom: 28. Aug., Seite e2020GL088188
1. Verfasser: Dayeh, M A (VerfasserIn)
Weitere Verfasser: Szalay, J R, Ogasawara, K, Fuselier, S A, McComas, D J, Funsten, H O, Petrinec, S M, Schwadron, N A, Zirnstein, E J
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2020
Zugriff auf das übergeordnete Werk:Geophysical research letters
Schlagworte:Journal Article charge‐exchange energetic neutral atoms ion acceleration
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520 |a The Interstellar Boundary Explorer (IBEX) mission provides global energetic neutral atom (ENA) observations from the heliosphere and the Earth's magnetosphere, including spatial, temporal, and energy information. IBEX views the magnetosphere from the sides and almost always perpendicular to noon-midnight plane. We report the first ENA images of the energization process in the Earth's ion foreshock and magnetosheath regions. We show ENA flux and spectral images of the dayside magnetosphere with significant energization of ENA plasma sources (above ~2.7 keV) in the region magnetically connected to the Earth's bow shock (BS) in its quasi-parallel configuration of the interplanetary magnetic field (IMF). We also show that the ion energization increases gradually with decreasing IMF-BS angle, suggesting more efficient suprathermal ion acceleration deeper in the quasi-parallel foreshock 
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650 4 |a charge‐exchange 
650 4 |a energetic neutral atoms 
650 4 |a ion acceleration 
700 1 |a Szalay, J R  |e verfasserin  |4 aut 
700 1 |a Ogasawara, K  |e verfasserin  |4 aut 
700 1 |a Fuselier, S A  |e verfasserin  |4 aut 
700 1 |a McComas, D J  |e verfasserin  |4 aut 
700 1 |a Funsten, H O  |e verfasserin  |4 aut 
700 1 |a Petrinec, S M  |e verfasserin  |4 aut 
700 1 |a Schwadron, N A  |e verfasserin  |4 aut 
700 1 |a Zirnstein, E J  |e verfasserin  |4 aut 
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