{"id":39,"date":"2019-12-19T11:28:33","date_gmt":"2019-12-19T10:28:33","guid":{"rendered":"https:\/\/sites-lira.obspm.fr\/flavien-kiefer\/?p=39"},"modified":"2024-10-24T16:50:53","modified_gmt":"2024-10-24T14:50:53","slug":"travaux-courants","status":"publish","type":"post","link":"https:\/\/sites-lira.obspm.fr\/flavien-kiefer\/2019\/12\/19\/travaux-courants\/","title":{"rendered":"Travaux courants"},"content":{"rendered":"\n<h3 class=\"wp-block-heading\">Plan\u00e8tes extrasolaires, exocom\u00e8tes, et syst\u00e8mes binaires<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>D\u00e9tection de nouveaux compagnons<\/strong> (\u00e9toiles, naines brunes, plan\u00e8tes) autour de toute source observ\u00e9e par la m\u00e9thode astrom\u00e9trique par le t\u00e9lescope Gaia,<\/li>\n\n\n\n<li><strong>D\u00e9termination des masses de candidats-plan\u00e8tes<\/strong> ou naines brunes&nbsp;autour d&rsquo;\u00e9toiles autres que le Soleil, par les m\u00e9thodes de vitesses radiales&nbsp;(effet Doppler) et d&rsquo;astrom\u00e9trie (mouvements c\u00e9lestes des astres) avec le&nbsp;satellite Gaia,<\/li>\n\n\n\n<li><strong>Observation et caract\u00e9risation des atmosph\u00e8res d&rsquo;exoplan\u00e8tes<\/strong> par spectroscopie infrarouge,<\/li>\n\n\n\n<li><strong>Etude des com\u00e8tes extrasolaires dans des syst\u00e8mes jeunes<\/strong>. Par&nbsp;spectroscopie, avec HARPS, Sophie et HST, lors du passage de leur queue gazeuse&nbsp;devant leur \u00e9toile. Par suivi photom\u00e9trique, avec les satellites Kepler, TESS&nbsp;et Cheops, lors du passage de la queue de poussi\u00e8re devant leur \u00e9toile,<\/li>\n\n\n\n<li><strong>Mesure des masses de syst\u00e8mes binaires \u00e0 2 composantes spectrales<\/strong>\u00a0par les m\u00e9thodes de vitesses radiales et d&rsquo;astrom\u00e9trie, avec le spectrographe\u00a0Sophie et des interf\u00e9rom\u00e8tres au sol ou encore le satellite Gaia.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Plan\u00e8tes extrasolaires, exocom\u00e8tes, et syst\u00e8mes binaires<\/p>\n","protected":false},"author":68,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-39","post","type-post","status-publish","format-standard","hentry","category-non-classe"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Travaux courants - 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