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Titel |
Acceleration and loss of oxygen ions in the terrestrial magnetosphere |
VerfasserIn |
Elena Kronberg, Elena Grigorenko, Stein Haaland, Patrick Daly, Lynn Kistler, Iannis Dandouras |
Konferenz |
EGU General Assembly 2013
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Medientyp |
Artikel
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Sprache |
Englisch
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Digitales Dokument |
PDF |
Erschienen |
In: GRA - Volume 15 (2013) |
Datensatznummer |
250078790
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Zusammenfassung |
We study spatial asymmetries of the oxygen ion intensity distributions in the Earth magnetosphere. The results are based on 7 years of Cluster observations of oxygen intensity measurements from the RAPID and CIS instruments. The energetic ions (>270 keV) seems to be effectively accelerated in the central near-Earth magnetotail, drift around the Earth within about 16 Re and get lost at the noon side. The medium oxygen ions (~10 keV) show similar trend but without spatial confinement: they are more evenly distributed in the magnetosphere. Our findings constrain models for ion acceleration and loss processes. |
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