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Initial Results Fro...
Initial Results From the Active Spacecraft Potential Control Onboard Magnetospheric Multiscale Mission
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- Nakamura, R. (författare)
- Austrian Acad Sci, Space Res Inst, A-8042 Graz, Austria.
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- Torkar, K. (författare)
- Austrian Acad Sci, Space Res Inst, A-8042 Graz, Austria.
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- Andriopoulou, M. (författare)
- Austrian Acad Sci, Space Res Inst, A-8042 Graz, Austria.
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- Jeszenszky, H. (författare)
- Austrian Acad Sci, Space Res Inst, A-8042 Graz, Austria.
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- Escoubet, C. P. (författare)
- ESA, Estec, NL-2201 AZ Noordwijk, Netherlands.
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- Cipriani, F. (författare)
- ESA, Estec, NL-2201 AZ Noordwijk, Netherlands.
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- Lindqvist, Per-Arne (författare)
- KTH,Rymd- och plasmafysik
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- Fuselier, S. A. (författare)
- Southwest Res Inst, San Antonio, TX 78238 USA.
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- Pollock, C. J. (författare)
- Denali Sci, Healy, AK 99743 USA.
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- Giles, B. L. (författare)
- NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA.
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- Khotyaintsev, Y. (författare)
- Uppsala universitet,Institutet för rymdfysik, Uppsalaavdelningen
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Austrian Acad Sci, Space Res Inst, A-8042 Graz, Austria ESA, Estec, NL-2201 AZ Noordwijk, Netherlands. (creator_code:org_t)
- Institute of Electrical and Electronics Engineers (IEEE), 2017
- 2017
- Engelska.
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Ingår i: IEEE Transactions on Plasma Science. - : Institute of Electrical and Electronics Engineers (IEEE). - 0093-3813 .- 1939-9375. ; 45:8, s. 1847-1852
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- NASA's magnetospheric multiscale (MMS) mission was successfully launched in March 2015. The scientific objectives of MMS are to explore and understand fundamental plasma physics processes in the earth's magnetosphere: magnetic reconnection, particle acceleration, and turbulence. The region of scientific interest of MMS is in a tenuous plasma environment where the positive spacecraft potential may reach an equilibrium as high as several tens of volts. The active spacecraft potential control (ASPOC) instrument neutralizes the spacecraft potential by releasing the positive charge produced by indium ion emitters. While the method has successfully been applied to other spacecraft such as Cluster and Double Star, new developments in the design of the emitters and the electronics are enabling lower spacecraft potentials and higher reliability compared to previous missions. In this paper, we report the initial results from the tests of the ASPOC performance during the commissioning phase and discuss the different effects on the particle and field instruments observed at different plasma environments in the magnetosphere.
Ämnesord
- NATURVETENSKAP -- Fysik -- Fusion, plasma och rymdfysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Fusion, Plasma and Space Physics (hsv//eng)
Nyckelord
- Electric potential
- extraterrestrial measurements
- ion beam applications
- plasma diagnostics
- plasma measurements
- surface charging
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Nakamura, R.
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Torkar, K.
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Andriopoulou, M.
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Jeszenszky, H.
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Escoubet, C. P.
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Cipriani, F.
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visa fler...
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Lindqvist, Per-A ...
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Fuselier, S. A.
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Pollock, C. J.
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Giles, B. L.
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Khotyaintsev, Y.
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visa färre...
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Uppsala universitet
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