{"id":220,"date":"2018-07-17T09:45:08","date_gmt":"2018-07-17T08:45:08","guid":{"rendered":"https:\/\/sites-lira.obspm.fr\/helisol\/?p=220"},"modified":"2018-09-11T09:54:50","modified_gmt":"2018-09-11T08:54:50","slug":"soumission-dun-article-sur-letude-des-variations-de-lhelicite-magnetique-non-potentielle","status":"publish","type":"post","link":"https:\/\/sites-lira.obspm.fr\/helisol\/2018\/07\/17\/soumission-dun-article-sur-letude-des-variations-de-lhelicite-magnetique-non-potentielle\/","title":{"rendered":"Soumission d&rsquo;un article sur l&rsquo;\u00e9tude des variations de l&rsquo;h\u00e9licit\u00e9 magn\u00e9tique non-potentielle"},"content":{"rendered":"<p>Cette \u00e9tude, pilot\u00e9e par Luis Linan, \u00e9tudiant en th\u00e8se financ\u00e9 dans le cadre du programme H\u00e9liSol, porte sur l&rsquo;analyse de l&rsquo;h\u00e9licit\u00e9 magn\u00e9tique non-potentielle. Les pr\u00e9c\u00e9dents travaux du projet (<a href=\"https:\/\/www.aanda.org\/articles\/aa\/abs\/2017\/05\/aa30043-16\/aa30043-16.html\">Pariat et al., A&amp;A, 2017<\/a>;\u00a0 <a href=\"http:\/\/iopscience.iop.org\/article\/10.3847\/1538-4357\/aacdfc\/meta\">Zuccarello et al., ApJ, 2018<\/a>) ont mis en avant le lien entre \u00e9ruptivit\u00e9 et l&rsquo;h\u00e9licit\u00e9 magn\u00e9tique non-potentielle. Il est d\u00e9sormais n\u00e9c\u00e9ssaire de mieux comprendre les propri\u00e9t\u00e9s physiques de cette quantit\u00e9.<\/p>\n<p>Dans cet article, Luis Linan analyse les variations temporelles de l\u2019h\u00e9licit\u00e9 non-potentielle et de sa contrepartie. C\u2019est la premi\u00e8re fois que ces quantit\u00e9s sont analys\u00e9es de la sorte. L. Linan a ainsi d\u00e9riv\u00e9 la premi\u00e8re formulation analytique de ces quantit\u00e9s. A partir de l\u2019\u00e9tude de donn\u00e9es issues de simulations num\u00e9riques, il a pu v\u00e9rifier les propri\u00e9t\u00e9s du flux de ces quantit\u00e9s. Le principal r\u00e9sultat de cette analyse est que l\u2019h\u00e9licit\u00e9 non-potentielle est principalement transform\u00e9e \u00e0 partir de sa contrepartie. Le flux de l\u2019h\u00e9licit\u00e9 non-potentielle reste tr\u00e8s faible vis \u00e0 vis des variations volumiques. Cela pose des contraintes fortes sur la mani\u00e8re dont cette quantit\u00e9 peut \u00eatre analys\u00e9e et mesur\u00e9e dans l\u2019atmosph\u00e8re solaire.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Cette \u00e9tude, pilot\u00e9e par Luis Linan, \u00e9tudiant en th\u00e8se financ\u00e9 dans le cadre du programme H\u00e9liSol, porte sur l&rsquo;analyse de l&rsquo;h\u00e9licit\u00e9 magn\u00e9tique non-potentielle. Les pr\u00e9c\u00e9dents travaux du projet (Pariat et al., A&amp;A, 2017;\u00a0 Zuccarello et al., ApJ, 2018) ont mis &hellip; <a href=\"https:\/\/sites-lira.obspm.fr\/helisol\/2018\/07\/17\/soumission-dun-article-sur-letude-des-variations-de-lhelicite-magnetique-non-potentielle\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":18,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-220","post","type-post","status-publish","format-standard","hentry","category-articles"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Soumission d&#039;un article sur l&#039;\u00e9tude des variations de l&#039;h\u00e9licit\u00e9 magn\u00e9tique non-potentielle - HeliSol<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/sites-lira.obspm.fr\/helisol\/2018\/07\/17\/soumission-dun-article-sur-letude-des-variations-de-lhelicite-magnetique-non-potentielle\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Soumission d&#039;un article sur l&#039;\u00e9tude des variations de l&#039;h\u00e9licit\u00e9 magn\u00e9tique non-potentielle - HeliSol\" \/>\n<meta property=\"og:description\" content=\"Cette \u00e9tude, pilot\u00e9e par Luis Linan, \u00e9tudiant en th\u00e8se financ\u00e9 dans le cadre du programme H\u00e9liSol, porte sur l&rsquo;analyse de l&rsquo;h\u00e9licit\u00e9 magn\u00e9tique non-potentielle. Les pr\u00e9c\u00e9dents travaux du projet (Pariat et al., A&amp;A, 2017;\u00a0 Zuccarello et al., ApJ, 2018) ont mis &hellip; Continue reading &rarr;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/sites-lira.obspm.fr\/helisol\/2018\/07\/17\/soumission-dun-article-sur-letude-des-variations-de-lhelicite-magnetique-non-potentielle\/\" \/>\n<meta property=\"og:site_name\" content=\"HeliSol\" \/>\n<meta property=\"article:published_time\" content=\"2018-07-17T08:45:08+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2018-09-11T08:54:50+00:00\" \/>\n<meta name=\"author\" content=\"Etienne Pariat\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Etienne Pariat\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/sites-lira.obspm.fr\\\/helisol\\\/2018\\\/07\\\/17\\\/soumission-dun-article-sur-letude-des-variations-de-lhelicite-magnetique-non-potentielle\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/sites-lira.obspm.fr\\\/helisol\\\/2018\\\/07\\\/17\\\/soumission-dun-article-sur-letude-des-variations-de-lhelicite-magnetique-non-potentielle\\\/\"},\"author\":{\"name\":\"Etienne Pariat\",\"@id\":\"https:\\\/\\\/sites-lira.obspm.fr\\\/helisol\\\/#\\\/schema\\\/person\\\/bc8b11e0456f0bbebd20b642197d941e\"},\"headline\":\"Soumission d&rsquo;un article sur l&rsquo;\u00e9tude des variations de l&rsquo;h\u00e9licit\u00e9 magn\u00e9tique non-potentielle\",\"datePublished\":\"2018-07-17T08:45:08+00:00\",\"dateModified\":\"2018-09-11T08:54:50+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/sites-lira.obspm.fr\\\/helisol\\\/2018\\\/07\\\/17\\\/soumission-dun-article-sur-letude-des-variations-de-lhelicite-magnetique-non-potentielle\\\/\"},\"wordCount\":234,\"articleSection\":[\"Articles\"],\"inLanguage\":\"fr-FR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/sites-lira.obspm.fr\\\/helisol\\\/2018\\\/07\\\/17\\\/soumission-dun-article-sur-letude-des-variations-de-lhelicite-magnetique-non-potentielle\\\/\",\"url\":\"https:\\\/\\\/sites-lira.obspm.fr\\\/helisol\\\/2018\\\/07\\\/17\\\/soumission-dun-article-sur-letude-des-variations-de-lhelicite-magnetique-non-potentielle\\\/\",\"name\":\"Soumission d'un article sur l'\u00e9tude des variations de l'h\u00e9licit\u00e9 magn\u00e9tique non-potentielle - HeliSol\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/sites-lira.obspm.fr\\\/helisol\\\/#website\"},\"datePublished\":\"2018-07-17T08:45:08+00:00\",\"dateModified\":\"2018-09-11T08:54:50+00:00\",\"author\":{\"@id\":\"https:\\\/\\\/sites-lira.obspm.fr\\\/helisol\\\/#\\\/schema\\\/person\\\/bc8b11e0456f0bbebd20b642197d941e\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/sites-lira.obspm.fr\\\/helisol\\\/2018\\\/07\\\/17\\\/soumission-dun-article-sur-letude-des-variations-de-lhelicite-magnetique-non-potentielle\\\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/sites-lira.obspm.fr\\\/helisol\\\/2018\\\/07\\\/17\\\/soumission-dun-article-sur-letude-des-variations-de-lhelicite-magnetique-non-potentielle\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/sites-lira.obspm.fr\\\/helisol\\\/2018\\\/07\\\/17\\\/soumission-dun-article-sur-letude-des-variations-de-lhelicite-magnetique-non-potentielle\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Accueil\",\"item\":\"https:\\\/\\\/sites-lira.obspm.fr\\\/helisol\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Soumission d&#8217;un article sur l&#8217;\u00e9tude des variations de l&#8217;h\u00e9licit\u00e9 magn\u00e9tique non-potentielle\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/sites-lira.obspm.fr\\\/helisol\\\/#website\",\"url\":\"https:\\\/\\\/sites-lira.obspm.fr\\\/helisol\\\/\",\"name\":\"HeliSol\",\"description\":\"Mesure de l&#039;h\u00e9licit\u00e9 magn\u00e9tique dans l&#039;atmosph\u00e8re solaire ; 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Les pr\u00e9c\u00e9dents travaux du projet (Pariat et al., A&amp;A, 2017;\u00a0 Zuccarello et al., ApJ, 2018) ont mis &hellip; Continue reading &rarr;","og_url":"https:\/\/sites-lira.obspm.fr\/helisol\/2018\/07\/17\/soumission-dun-article-sur-letude-des-variations-de-lhelicite-magnetique-non-potentielle\/","og_site_name":"HeliSol","article_published_time":"2018-07-17T08:45:08+00:00","article_modified_time":"2018-09-11T08:54:50+00:00","author":"Etienne Pariat","twitter_card":"summary_large_image","twitter_misc":{"\u00c9crit par":"Etienne Pariat","Dur\u00e9e de lecture estim\u00e9e":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/sites-lira.obspm.fr\/helisol\/2018\/07\/17\/soumission-dun-article-sur-letude-des-variations-de-lhelicite-magnetique-non-potentielle\/#article","isPartOf":{"@id":"https:\/\/sites-lira.obspm.fr\/helisol\/2018\/07\/17\/soumission-dun-article-sur-letude-des-variations-de-lhelicite-magnetique-non-potentielle\/"},"author":{"name":"Etienne Pariat","@id":"https:\/\/sites-lira.obspm.fr\/helisol\/#\/schema\/person\/bc8b11e0456f0bbebd20b642197d941e"},"headline":"Soumission d&rsquo;un article sur l&rsquo;\u00e9tude des variations de l&rsquo;h\u00e9licit\u00e9 magn\u00e9tique non-potentielle","datePublished":"2018-07-17T08:45:08+00:00","dateModified":"2018-09-11T08:54:50+00:00","mainEntityOfPage":{"@id":"https:\/\/sites-lira.obspm.fr\/helisol\/2018\/07\/17\/soumission-dun-article-sur-letude-des-variations-de-lhelicite-magnetique-non-potentielle\/"},"wordCount":234,"articleSection":["Articles"],"inLanguage":"fr-FR"},{"@type":"WebPage","@id":"https:\/\/sites-lira.obspm.fr\/helisol\/2018\/07\/17\/soumission-dun-article-sur-letude-des-variations-de-lhelicite-magnetique-non-potentielle\/","url":"https:\/\/sites-lira.obspm.fr\/helisol\/2018\/07\/17\/soumission-dun-article-sur-letude-des-variations-de-lhelicite-magnetique-non-potentielle\/","name":"Soumission d'un article sur l'\u00e9tude des variations de l'h\u00e9licit\u00e9 magn\u00e9tique non-potentielle - HeliSol","isPartOf":{"@id":"https:\/\/sites-lira.obspm.fr\/helisol\/#website"},"datePublished":"2018-07-17T08:45:08+00:00","dateModified":"2018-09-11T08:54:50+00:00","author":{"@id":"https:\/\/sites-lira.obspm.fr\/helisol\/#\/schema\/person\/bc8b11e0456f0bbebd20b642197d941e"},"breadcrumb":{"@id":"https:\/\/sites-lira.obspm.fr\/helisol\/2018\/07\/17\/soumission-dun-article-sur-letude-des-variations-de-lhelicite-magnetique-non-potentielle\/#breadcrumb"},"inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/sites-lira.obspm.fr\/helisol\/2018\/07\/17\/soumission-dun-article-sur-letude-des-variations-de-lhelicite-magnetique-non-potentielle\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/sites-lira.obspm.fr\/helisol\/2018\/07\/17\/soumission-dun-article-sur-letude-des-variations-de-lhelicite-magnetique-non-potentielle\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Accueil","item":"https:\/\/sites-lira.obspm.fr\/helisol\/"},{"@type":"ListItem","position":2,"name":"Soumission d&#8217;un article sur l&#8217;\u00e9tude des variations de l&#8217;h\u00e9licit\u00e9 magn\u00e9tique non-potentielle"}]},{"@type":"WebSite","@id":"https:\/\/sites-lira.obspm.fr\/helisol\/#website","url":"https:\/\/sites-lira.obspm.fr\/helisol\/","name":"HeliSol","description":"Mesure de l&#039;h\u00e9licit\u00e9 magn\u00e9tique dans l&#039;atmosph\u00e8re solaire ; 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