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Electromagnetic Cyclotron Waves in the Solar Wind: Wind Observation and Wave Dispersion Analysis
External Online Source: doi:10.1063/1.4943818
Author and Affiliation:
Jian, L. K.(Maryland Univ., College Park, MD, United States);
Moya, P. S.(Catholic Univ. of America, Washington, DC, United States);
Vinas, A. F.(NASA Goddard Space Flight Center, Greenbelt, MD United States);
Stevens, M.(Harvard-Smithsonian Center for Astrophysics, Cambridge, MA, United States)
Abstract: Wind observed long-lasting electromagnetic cyclotron waves near the proton cyclotron frequency on 11 March 2005, in the descending part of a fast wind stream. Bi-Maxwellian velocity distributions are fitted for core protons, beam protons, and alpha-particles. Using the fitted plasma parameters we conduct kinetic linear dispersion analysis and find ion cyclotron and/or firehose instabilities grow in six of 10 wave intervals. After Doppler shift, some of the waves have frequency and polarization consistent with observation, thus may be correspondence to the cyclotron waves observed.
Publication Date: Mar 01, 2016
Document ID:
20170006116
(Acquired Jul 14, 2017)
Subject Category: PHYSICS (GENERAL)
Report/Patent Number: GSFC-E-DAA-TN43257
Document Type: Conference Paper
Publication Information: AIP Conference Proceedings; Volume 1720; No. 1; 040007
Publisher Information: AIP Publishing
Meeting Information: SOLAR WIND 14: Proceedings of the International Solar Wind Conference ; 14th; 22-26 Jun. 2015; Weihai; China
Contract/Grant/Task Num: NNX13AI65G; NNX15AB75G
Financial Sponsor: NASA Goddard Space Flight Center; Greenbelt, MD United States
Organization Source: NASA Goddard Space Flight Center; Greenbelt, MD United States
Description: 5p; In English
Distribution Limits: Unclassified; Publicly available; Unlimited
Rights: Copyright
NASA Terms: ALPHA PARTICLES; ELECTROMAGNETIC RADIATION; MAGNETOHYDRODYNAMIC STABILITY; SOLAR WIND; WAVE DISPERSION; VELOCITY DISTRIBUTION; PROTONS; CYCLOTRON FREQUENCY; AIR WATER INTERACTIONS; DOPPLER EFFECT; MAXWELL-BOLTZMANN DENSITY FUNCTION; WATER WAVES; FREQUENCIES; PLASMAS (PHYSICS)
Other Descriptors: ELECTROMAGNETIC; CYCLOTRON; WIND OBSERVATION
Availability Source: Other Sources
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