About: On the Origin of Linear Polarization in Solar Flares

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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	A significant degree of linear polarization (up to few percent) of some spectral lines is occasionally reported from the observations of solar flares. This polarization is often found at the edges of the flare ribbons and it is usually radial or tangential. The mechanism usually considered as being responsible for this effect is the impact polarization by electron and/or proton beams bombarding the chromosphere. We point out that resonant scattering polarization in a multi-dimensional geometry of the chromosphere has to be considered as an important ingredient of the problem. The significant horizontal inhomogeneities at the boundaries of the flare ribbons causes a considerable change in the radiation field anisotropy which may lead to emission of strongly linearly polarized spectral lines. A significant degree of linear polarization (up to few percent) of some spectral lines is occasionally reported from the observations of solar flares. This polarization is often found at the edges of the flare ribbons and it is usually radial or tangential. The mechanism usually considered as being responsible for this effect is the impact polarization by electron and/or proton beams bombarding the chromosphere. We point out that resonant scattering polarization in a multi-dimensional geometry of the chromosphere has to be considered as an important ingredient of the problem. The significant horizontal inhomogeneities at the boundaries of the flare ribbons causes a considerable change in the radiation field anisotropy which may lead to emission of strongly linearly polarized spectral lines. (en)
Title	On the Origin of Linear Polarization in Solar Flares On the Origin of Linear Polarization in Solar Flares (en)
skos:prefLabel	On the Origin of Linear Polarization in Solar Flares On the Origin of Linear Polarization in Solar Flares (en)
skos:notation	RIV/67985815:_____/14:00440079!RIV15-GA0-67985815
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(GAP209/12/1652), P(GPP209/12/P741)
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Heinzel, Petr Štěpán, Jiří
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
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	34485
http://linked.open...ai/riv/idVysledku	RIV/67985815:_____/14:00440079
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	solar flares; linear polarization (en)
http://linked.open.../riv/klicoveSlovo	solar flares linear polarization
http://linked.open...ontrolniKodProRIV	[ABB03DF4F5BD]
http://linked.open...v/mistoKonaniAkce	Kunning
http://linked.open...i/riv/mistoVydani	San Francisco
http://linked.open...i/riv/nazevZdroje	Solar Polarization 7
http://linked.open...in/vavai/riv/obor	BN
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Spectropolarimetric modeling and diagnostics of magnetic fields in the upper atmosphere of the quiet Sun Analysis of the non-thermal electron distribution in the solar corona and transition region
http://linked.open...UplatneniVysledku	2014
http://linked.open...iv/tvurceVysledku	Štěpán, Jiří Heinzel, Petr
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2013-09-09 (xsd:date)
number of pages	4 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Astronomical Society of the Pacific
https://schema.org/isbn	9781583818633

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