Preflare state
Identifieur interne : 000774 ( Main/Exploration ); précédent : 000773; suivant : 000775Preflare state
Auteurs : M. Rust [États-Unis] ; T. Sakurai [Japon] ; V. Gaizauskas [Canada] ; A. Hofmann [Allemagne] ; M. Martin [États-Unis] ; R. Priest [Royaume-Uni] ; J. Wang [République populaire de Chine]Source :
- Solar Physics [ 0038-0938 ] ; 1994-08-01.
Abstract
Abstract: Discussion on the preflare state held at the Ottawa Flares 22 Workshop focused on the interpretation of solar magnetograms and of Hα filament activity. Magnetograms from several observatories provided evidence of significant build up of electric currents in flaring regions. Images of X-ray emitting structures provided a clear example of magnetic relaxation in the course of a flare. Emerging and cancelling magnetic fields appear to be important for triggering flares and for the formation of filaments, which are associated with eruptive flares. Filaments may become unstable by the build up of electric current helicity. Examples of heliform eruptive filaments were presented at the Workshop. Theoretical models linking filaments and flares are briefly reviewed.
Url:
DOI: 10.1007/BF00712489
Affiliations:
- Allemagne, Canada, Japon, Royaume-Uni, République populaire de Chine, États-Unis
- Brandebourg, Californie, Région de Kantō
- Potsdam, Pékin, Tokyo
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Wang</name></author></titleStmt><publicationStmt><idno type="wicri:source">ISTEX</idno><idno type="RBID">ISTEX:2715CF52973A3C752D815565B14553E2F851B642</idno><date when="1994" year="1994">1994</date><idno type="doi">10.1007/BF00712489</idno><idno type="url">https://api.istex.fr/document/2715CF52973A3C752D815565B14553E2F851B642/fulltext/pdf</idno><idno type="wicri:Area/Main/Corpus">000752</idno><idno type="wicri:Area/Main/Curation">000752</idno><idno type="wicri:Area/Main/Exploration">000774</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Exploration">000774</idno></publicationStmt><sourceDesc><biblStruct><analytic><title level="a" type="main" xml:lang="en">Preflare state</title><author><name sortKey="Rust, M" sort="Rust, M" uniqKey="Rust M" first="M." last="Rust">M. Rust</name><affiliation wicri:level="1"><country xml:lang="fr">États-Unis</country><wicri:regionArea>Applied Physics Laboratory, Johns Hopkins University, 20723, Laurel, MD</wicri:regionArea><wicri:noRegion>MD</wicri:noRegion></affiliation></author><author><name sortKey="Sakurai, T" sort="Sakurai, T" uniqKey="Sakurai T" first="T." last="Sakurai">T. Sakurai</name><affiliation wicri:level="3"><country xml:lang="fr">Japon</country><wicri:regionArea>Department of Astronomy, University of Tokyo, 113, Bunkyo-Ku, Tokyo</wicri:regionArea><placeName><settlement type="city">Tokyo</settlement><region type="région">Région de Kantō</region></placeName></affiliation></author><author><name sortKey="Gaizauskas, V" sort="Gaizauskas, V" uniqKey="Gaizauskas V" first="V." last="Gaizauskas">V. Gaizauskas</name><affiliation wicri:level="1"><country xml:lang="fr">Canada</country><wicri:regionArea>Herzberg Institute of Astrophysics, National Research Council of Canada, KIA OR6, Ottawa</wicri:regionArea><wicri:noRegion>Ottawa</wicri:noRegion></affiliation></author><author><name sortKey="Hofmann, A" sort="Hofmann, A" uniqKey="Hofmann A" first="A." last="Hofmann">A. Hofmann</name><affiliation wicri:level="3"><country xml:lang="fr">Allemagne</country><wicri:regionArea>Astrophysikaliches Institut Potsdam, Sonnenobservatorium Einstienturm, Telegraphenberg A31, D-14473, Potsdam</wicri:regionArea><placeName><region type="land" nuts="2">Brandebourg</region><settlement type="city">Potsdam</settlement></placeName></affiliation></author><author><name sortKey="Martin, M" sort="Martin, M" uniqKey="Martin M" first="M." last="Martin">M. Martin</name><affiliation wicri:level="2"><country xml:lang="fr">États-Unis</country><wicri:regionArea>Caltech, 91125, Pasadena, California</wicri:regionArea><placeName><region type="state">Californie</region></placeName></affiliation></author><author><name sortKey="Priest, R" sort="Priest, R" uniqKey="Priest R" first="R." last="Priest">R. Priest</name><affiliation wicri:level="1"><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea>Applied Maths Department, The University, KY16 9SS, St Andrews, Fife</wicri:regionArea><wicri:noRegion>Fife</wicri:noRegion></affiliation></author><author><name sortKey="Wang, J" sort="Wang, J" uniqKey="Wang J" first="J." last="Wang">J. Wang</name><affiliation wicri:level="3"><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Beijing Astronomical Observatory, Chinese Academy of Sciences, 1000080, Beijing</wicri:regionArea><placeName><settlement type="city">Pékin</settlement></placeName></affiliation></author></analytic><monogr></monogr><series><title level="j">Solar Physics</title><title level="j" type="abbrev">Sol Phys</title><idno type="ISSN">0038-0938</idno><idno type="eISSN">1573-093X</idno><imprint><publisher>Springer Netherlands</publisher><pubPlace>Dordrecht</pubPlace><date type="published" when="1994-08-01">1994-08-01</date><biblScope unit="volume">153</biblScope><biblScope unit="issue">1-2</biblScope><biblScope unit="page" from="1">1</biblScope><biblScope unit="page" to="17">17</biblScope></imprint><idno type="ISSN">0038-0938</idno></series><idno type="istex">2715CF52973A3C752D815565B14553E2F851B642</idno><idno type="DOI">10.1007/BF00712489</idno><idno type="ArticleID">BF00712489</idno><idno type="ArticleID">Art2</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0038-0938</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Abstract: Discussion on the preflare state held at the Ottawa Flares 22 Workshop focused on the interpretation of solar magnetograms and of Hα filament activity. Magnetograms from several observatories provided evidence of significant build up of electric currents in flaring regions. Images of X-ray emitting structures provided a clear example of magnetic relaxation in the course of a flare. Emerging and cancelling magnetic fields appear to be important for triggering flares and for the formation of filaments, which are associated with eruptive flares. Filaments may become unstable by the build up of electric current helicity. Examples of heliform eruptive filaments were presented at the Workshop. Theoretical models linking filaments and flares are briefly reviewed.</div></front></TEI><affiliations><list><country><li>Allemagne</li><li>Canada</li><li>Japon</li><li>Royaume-Uni</li><li>République populaire de Chine</li><li>États-Unis</li></country><region><li>Brandebourg</li><li>Californie</li><li>Région de Kantō</li></region><settlement><li>Potsdam</li><li>Pékin</li><li>Tokyo</li></settlement></list><tree><country name="États-Unis"><noRegion><name sortKey="Rust, M" sort="Rust, M" uniqKey="Rust M" first="M." last="Rust">M. Rust</name></noRegion><name sortKey="Martin, M" sort="Martin, M" uniqKey="Martin M" first="M." last="Martin">M. Martin</name></country><country name="Japon"><region name="Région de Kantō"><name sortKey="Sakurai, T" sort="Sakurai, T" uniqKey="Sakurai T" first="T." last="Sakurai">T. Sakurai</name></region></country><country name="Canada"><noRegion><name sortKey="Gaizauskas, V" sort="Gaizauskas, V" uniqKey="Gaizauskas V" first="V." last="Gaizauskas">V. Gaizauskas</name></noRegion></country><country name="Allemagne"><region name="Brandebourg"><name sortKey="Hofmann, A" sort="Hofmann, A" uniqKey="Hofmann A" first="A." last="Hofmann">A. Hofmann</name></region></country><country name="Royaume-Uni"><noRegion><name sortKey="Priest, R" sort="Priest, R" uniqKey="Priest R" first="R." last="Priest">R. Priest</name></noRegion></country><country name="République populaire de Chine"><noRegion><name sortKey="Wang, J" sort="Wang, J" uniqKey="Wang J" first="J." last="Wang">J. Wang</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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