| 1. |
- Knudsen, DJ, et al.
(författare)
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Core ion flux bursts within solitary kinetic Alfven waves
- 1998
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Ingår i: JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS. - : AMER GEOPHYSICAL UNION. ; 103:A3, s. 4157-4169
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- The Freja cold plasma analyzer (CPA) makes high time resolution measurements of the angle-and energy-integrated core ion velocity distribution (< 20 eV) with spatial resolutions of similar to 10 m. In a preliminary study, Knudsen et al. [1994] reported th
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| 2. |
- Knudsen, DJ, et al.
(författare)
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Correlation between core ion energization, suprathermal electron bursts, and broadband ELF plasma waves
- 1998
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Ingår i: JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS. - : AMER GEOPHYSICAL UNION. ; 103:A3, s. 4171-4186
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- Observations of the lowest energy or core ions provide a particularly sensitive measure of the early stages of auroral ion energization. Freja satellite observations of 0-20 eV core ions in the topside auroral ionosphere and cusp/cleft show signs of heati
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| 3. |
- Wahlund, JE, et al.
(författare)
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Broadband ELF plasma emission during auroral energization 1. Slow ion acoustic waves
- 1998
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Ingår i: JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS. - : AMER GEOPHYSICAL UNION. ; 103:A3, s. 4343-4375
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- High-resolution measurements by the Freja spacecraft of broadband extremely low frequency (BB-ELF) emission from de up to the lower hybrid frequency (a few kHz) are reported from regions of transverse ion acceleration (TAI) and broad-energy suprathermal e
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