About: On a Signature of a Flux-rope Formation by Vortex Motions in its Footpoint

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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	We analyzed Hα spectrograms and slit-jaw filtergrams of active regions NOAA 10311 and 10314 observed by the Ondřejov flare spectrograph near the western limb on March 19, 2003. Several pre-flares and medium flares C, M, X (according to GOES classification) occurred in this active region during our period of observation. We observed a process of intensive creation of an active region filament. Then the filament changed its contrast in relation to the surrounding chromosphere. From details observed in the filtergrams and spectra we conclude that during this process the filament/flux-rope was twisted by vortex motions in its footpoint. The energy accumulated gradually in the configuration of magnetic field was then released during a series of flares. We discuss the observed phenomena and try to explain them in frame of generally accepted models of physical processes in solar flares. We analyzed Hα spectrograms and slit-jaw filtergrams of active regions NOAA 10311 and 10314 observed by the Ondřejov flare spectrograph near the western limb on March 19, 2003. Several pre-flares and medium flares C, M, X (according to GOES classification) occurred in this active region during our period of observation. We observed a process of intensive creation of an active region filament. Then the filament changed its contrast in relation to the surrounding chromosphere. From details observed in the filtergrams and spectra we conclude that during this process the filament/flux-rope was twisted by vortex motions in its footpoint. The energy accumulated gradually in the configuration of magnetic field was then released during a series of flares. We discuss the observed phenomena and try to explain them in frame of generally accepted models of physical processes in solar flares. (en)
Title	On a Signature of a Flux-rope Formation by Vortex Motions in its Footpoint On a Signature of a Flux-rope Formation by Vortex Motions in its Footpoint (en)
skos:prefLabel	On a Signature of a Flux-rope Formation by Vortex Motions in its Footpoint On a Signature of a Flux-rope Formation by Vortex Motions in its Footpoint (en)
skos:notation	RIV/67985815:_____/13:00398884!RIV14-GA0-67985815
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(GA13-24782S), P(GAP209/10/1680), P(GAP209/10/1706), P(GAP209/12/0103), P(GAP209/12/1652)
http://linked.open...iv/cisloPeriodika	2
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Bárta, Miroslav Kotrč, Pavel
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	Astronomický ústav AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	93642
http://linked.open...ai/riv/idVysledku	RIV/67985815:_____/13:00398884
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	filaments; solar eruptions; magnetic helicity (en)
http://linked.open.../riv/klicoveSlovo	filaments magnetic helicity solar eruptions
http://linked.open...odStatuVydavatele	HR - Chorvatská republika
http://linked.open...ontrolniKodProRIV	[D574AAB42F3A]
http://linked.open...i/riv/nazevZdroje	Central European Astrophysical Bulletin
http://linked.open...in/vavai/riv/obor	BN
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Multi-spectral study of solar filaments and their EUV channels Energetic Processes In Solar Atmosphere: Relations of Simulations to Observations Radio and X-ray diagnostics of primary-energy-release processes in solar flares and their numerical simulations Analysis of the non-thermal electron distribution in the solar corona and transition region Turbulent energy transport in magnetic reconnection: Advanced numerical modeling and application to solar flares and eruptions
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	37
http://linked.open...iv/tvurceVysledku	Bárta, Miroslav Kashapova, L. K. Kotrč, Pavel Kupryakov, Yu. A.
issn	1845-8319
number of pages	8 (xsd:int)

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