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Statements

Subject Item
n2:RIV%2F67985815%3A_____%2F11%3A00360457%21RIV12-AV0-67985815
rdf:type
n15:Vysledek skos:Concept
dcterms:description
Radio spectra, observed during solar flares, are usually very complex (many bursts and fine structures). We have developed a new method to separate them into individual bursts and analyze them separately. The method is used in the analysis of the 0.8–2.0 GHz radio spectrum of the April 11, 2001 event, which was rich in drifting pulsating structures (DPSs). Using this method we showed that the complex radio spectrum consists of at least four DPSs separated with respect to their different frequency drifts (-115, -36, -23, and -11 MHz/s). These DPSs indicate a presence of at least four plasmoids expected to be formed in a flaring current sheet. These plasmoids produce the radio emission on close frequencies giving thus a mixture of superimposed DPSs observed in the radio spectrum. Radio spectra, observed during solar flares, are usually very complex (many bursts and fine structures). We have developed a new method to separate them into individual bursts and analyze them separately. The method is used in the analysis of the 0.8–2.0 GHz radio spectrum of the April 11, 2001 event, which was rich in drifting pulsating structures (DPSs). Using this method we showed that the complex radio spectrum consists of at least four DPSs separated with respect to their different frequency drifts (-115, -36, -23, and -11 MHz/s). These DPSs indicate a presence of at least four plasmoids expected to be formed in a flaring current sheet. These plasmoids produce the radio emission on close frequencies giving thus a mixture of superimposed DPSs observed in the radio spectrum.
dcterms:title
Separation of solar radio bursts in a complex spectrum Separation of solar radio bursts in a complex spectrum
skos:prefLabel
Separation of solar radio bursts in a complex spectrum Separation of solar radio bursts in a complex spectrum
skos:notation
RIV/67985815:_____/11:00360457!RIV12-AV0-67985815
n15:predkladatel
n22:ico%3A67985815
n3:aktivita
n18:P n18:Z
n3:aktivity
P(IAA300030701), Z(AV0Z10030501)
n3:dodaniDat
n4:2012
n3:domaciTvurceVysledku
n8:6501702 n8:9659455 n8:4808746
n3:druhVysledku
n13:D
n3:duvernostUdaju
n21:S
n3:entitaPredkladatele
n5:predkladatel
n3:idSjednocenehoVysledku
228914
n3:idVysledku
RIV/67985815:_____/11:00360457
n3:jazykVysledku
n12:eng
n3:klicovaSlova
Sun; flares; radio radiation
n3:klicoveSlovo
n9:flares n9:radio%20radiation n9:Sun
n3:kontrolniKodProRIV
[72D8F938ED52]
n3:mistoKonaniAkce
Giardini Naxos
n3:mistoVydani
Cambridge
n3:nazevZdroje
Advances in Plasma Astrophysics
n3:obor
n16:BN
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
4
n3:projekt
n20:IAA300030701
n3:rokUplatneniVysledku
n4:2011
n3:tvurceVysledku
Jiřička, Karel Karlický, Marian Rybák, J. Mészárosová, Hana
n3:typAkce
n11:WRD
n3:zahajeniAkce
2010-09-06+02:00
n3:zamer
n7:AV0Z10030501
s:numberOfPages
3
n14:hasPublisher
Cambridge University Press
n17:isbn
9780521197410