The Electric and Magnetic Field Instrument Suite and Integrated Science (EMFISIS) on RBSP
Craig Kletzing,William S. Kurth,Mario H. Acuña,Robert J. MacDowall,Roy B. Torbert,T. F. Averkamp,D. Bodet,Scott R. Bounds,M. Chutter,John E. P. Connerney,D. Crawford,J. S. Dolan,R. T. Dvorsky,George Hospodarsky,J. Howard,Vania K. Jordanova,R. A. Johnson,D. L. Kirchner,B. T. Mokrzycki,G. Needell,J. Odom,D. Mark,R. F. Pfaff,J. R. Phillips,Chris Piker,S. L. Remington,Douglas E. Rowland,Ondrej Santolik,R. Schnurr,D. Sheppard,Charles W. Smith,Richard M. Thorne,J. Tyler +32 more
TLDR
The Electric and Magnetic Field Instrument and Integrated Science (EMFISIS) investigation on the NASA Radiation Belt Storm Probes (now named the Van Allen Probes) mission provides key wave and very low frequency magnetic field measurements to understand radiation belt acceleration, loss, and transport.Abstract:
The Electric and Magnetic Field Instrument and Integrated Science (EMFISIS) investigation on the NASA Radiation Belt Storm Probes (now named the Van Allen Probes) mission provides key wave and very low frequency magnetic field measurements to understand radiation belt acceleration, loss, and transport. The key science objectives and the contribution that EMFISIS makes to providing measurements as well as theory and modeling are described. The key components of the instruments suite, both electronics and sensors, including key functional parameters, calibration, and performance, demonstrate that EMFISIS provides the needed measurements for the science of the RBSP mission. The EMFISIS operational modes and data products, along with online availability and data tools provide the radiation belt science community with one the most complete sets of data ever collected.read more
Citations
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Correlated observations linking loss of energetic protons to EMIC waves
C. Yang,C. Yang,ZongQiang Wang,Fuliang Xiao,ZhaoGuo He,YanQiong Xie,Sai Zhang,Yihua He,Si Liu,Qinghua Zhou +9 more
TL;DR: In this paper, the Fokker-Planck diffusion equation was used to show that EMIC waves can efficiently produce loss of energetic protons within about 2 h in the pitch angle range of ∼ 0°-45°.
Journal ArticleDOI
Resonant Generation of an Alfvén Wave by a Substorm Injected Electron Cloud: A Van Allen Probe Case Study
TL;DR: In this article , the first observation of the resonant generation of an ultra-low frequency wave by energetic elections in the magnetosphere was reported, and the electron fluxes in several energy channels were modulated with the frequency of the observed wave.
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A Statistical Analysis of Duration and Frequency Chirping Rate of Falling Tone Chorus
Journal ArticleDOI
O+ ion conic and plasma sheet dynamics observed by Van Allen Probe satellites during the 1 June 2013 magnetic storm
William J. Burke,Philip J. Erickson,Jun Yang,John C. Foster,John Wygant,Geoffrey D. Reeves,Craig Kletzing +6 more
TL;DR: The Van Allen Probe satellites were near apogee in the late evening local time sector during the 1 June 2013 magnetic storm's main phase as discussed by the authors, and they encountered a quasiperiodic sequence of 0.08-3keV O+ ions.
References
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Regular Article: A Solution-Adaptive Upwind Scheme for Ideal Magnetohydrodynamics
TL;DR: In this article, the authors present a computational scheme for compressible magnetohydrodynamics (MHD) based on the same elements that make up many modern compressible gas dynamics codes: high-resolution upwinding based on an approximate Riemann solver for MHD and limited reconstruction; an optimally smoothing multi-stage time-stepping scheme; and solution-adaptive refinement and coarsening.
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Relativistic theory of wave‐particle resonant diffusion with application to electron acceleration in the magnetosphere
TL;DR: In this paper, a model was proposed to account for the observed variations in the flux and pitch angle distribution of relativistic electrons during geomagnetic storms by combining pitch angle scattering by intense EMIC waves and energy diffusion during cyclotron resonant interaction with whistler mode chorus outside the plasmasphere.
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Pitch-angle diffusion of radiation belt electrons within the plasmasphere.
TL;DR: In this paper, the formation of the quiet-time electron slot, which divides the radiation belt electrons into an inner and an outer zone, was investigated. But the results were limited to the inner radiation zone.
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