About: Source location of chorus emissions observed by Cluster.

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About: Source location of chorus emissions observed by Cluster. Goto Sponge NotDistinct Permalink

An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	One of the objectives of the Cluster mission is to study sources of various electromagnetic waves using the four satellites. This paper describes the methods we have applied to data recorded from the STAFF spectrum analyser. This instrument provides the cross spectral matrix of three magnetic and two electric field components. This spectral matrix is analysed to determine, for each satellite, the direction of the wave normal relative to the Earth's magnetic field as a function of frequency and of time. Due to the Cluster orbit, chorus emissions are often observed close to perigee, and the data analysis determines the direction of these waves. Three events observed during different levels of magnetic activity are reported. It is shown that the component of the Poynting vector parallel to the magnetic field changes its sense when the satellites cross the magnetic equator, which indicates that the chorus waves propagate away from the equator. Detailed analysis indicates that the source is located in clos One of the objectives of the Cluster mission is to study sources of various electromagnetic waves using the four satellites. This paper describes the methods we have applied to data recorded from the STAFF spectrum analyser. This instrument provides the cross spectral matrix of three magnetic and two electric field components. This spectral matrix is analysed to determine, for each satellite, the direction of the wave normal relative to the Earth's magnetic field as a function of frequency and of time. Due to the Cluster orbit, chorus emissions are often observed close to perigee, and the data analysis determines the direction of these waves. Three events observed during different levels of magnetic activity are reported. It is shown that the component of the Poynting vector parallel to the magnetic field changes its sense when the satellites cross the magnetic equator, which indicates that the chorus waves propagate away from the equator. Detailed analysis indicates that the source is located in clos (en)
Title	Source location of chorus emissions observed by Cluster. Source location of chorus emissions observed by Cluster. (en)
skos:prefLabel	Source location of chorus emissions observed by Cluster. Source location of chorus emissions observed by Cluster. (en)
skos:notation	RIV/68378289:_____/03:04030023!RIV/2004/AV0/A04004/N
http://linked.open.../vavai/riv/strany	473;480
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA202/03/0832), P(ME 650), Z(AV0Z3042911), Z(MSM 113200004)
http://linked.open...iv/cisloPeriodika	N/A
http://linked.open...vai/riv/dodaniDat	2004
http://linked.open...aciTvurceVysledku	Santolík, Ondřej
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav fyziky atmosféry AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	627956
http://linked.open...ai/riv/idVysledku	RIV/68378289:_____/03:04030023
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	magnetospheric physics; space plasma physics (en)
http://linked.open.../riv/klicoveSlovo	magnetospheric physics space plasma physics
http://linked.open...odStatuVydavatele	DE - Spolková republika Německo
http://linked.open...ontrolniKodProRIV	[ACBBFF036CCA]
http://linked.open...i/riv/nazevZdroje	Annales Geophysicae
http://linked.open...in/vavai/riv/obor	BL
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...ocetUcastnikuAkce	0 (xsd:int)
http://linked.open...nichUcastnikuAkce	0 (xsd:int)
http://linked.open...vavai/riv/projekt	http://linked.opendata.cz/resource/domain/vavai/projekt/ME%20650 Investigation of propagation and nonlinear interactions of waves in plasmas
http://linked.open...UplatneniVysledku	2003
http://linked.open...v/svazekPeriodika	21
http://linked.open...iv/tvurceVysledku	Parrot, M. Santolík, Ondřej Maksimovic, M. Cornilleau-Wehrlin, N. Harvey, C. C.
http://linked.open...n/vavai/riv/zamer	Investigations of selected processes in the Earth's atmosphere http://linked.opendata.cz/resource/domain/vavai/zamer/MSM%20113200004
issn	0992-7689
number of pages	80 (xsd:int)

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