{"id":6223,"date":"2025-10-29T17:21:22","date_gmt":"2025-10-29T16:21:22","guid":{"rendered":"https:\/\/academiespatiale.fr\/?post_type=tribe_events&#038;p=6223"},"modified":"2026-01-19T14:51:15","modified_gmt":"2026-01-19T13:51:15","slug":"webinaire-federation-nanosats-exoplanetes-extremes","status":"publish","type":"tribe_events","link":"https:\/\/academiespatiale.fr\/index.php\/event\/webinaire-federation-nanosats-exoplanetes-extremes\/","title":{"rendered":"[Webinaire] F\u00e9d\u00e9ration Nanosats &#8211; Exoplan\u00e8tes extr\u00eames"},"content":{"rendered":"<div  class=\"tribe-events-schedule tribe-clearfix\" >\n\t<p class=\"tribe-events-schedule__datetime\">\n\t\t<span class=\"tribe-events-schedule__date tribe-events-schedule__date--start\">\n\t\t\t12 f\u00e9vrier\t\t<\/span>\n\n\t\t\t\t\t<span class=\"tribe-events-schedule__all-day\">Toute la journ\u00e9e<\/span>\n\t\t\n\t\t\t<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-cover is-light\" style=\"padding-top:var(--wp--preset--spacing--80);padding-right:var(--wp--preset--spacing--80);padding-bottom:var(--wp--preset--spacing--80);padding-left:var(--wp--preset--spacing--80)\"><span aria-hidden=\"true\" class=\"wp-block-cover__background has-white-background-color has-background-dim-100 has-background-dim\"><\/span><div class=\"wp-block-cover__inner-container is-layout-constrained wp-container-core-cover-is-layout-10bc4538 wp-block-cover-is-layout-constrained\">\n<div class=\"wp-block-columns has-text-color has-link-color wp-elements-e673af4000d0b3c096a66b181f7b0bbd is-layout-flex wp-container-core-columns-is-layout-deb2fee4 wp-block-columns-is-layout-flex\" style=\"color:#b1b1b1;margin-top:-25px;margin-bottom:20px;padding-top:0;padding-right:0;padding-bottom:0;padding-left:0;font-size:15px\">\n<div class=\"wp-block-column has-text-color has-link-color wp-elements-5a4d4e7b16cdb21f05469acdf2368671 is-layout-flow wp-block-column-is-layout-flow\" style=\"color:#a1a1a1;padding-top:0;padding-bottom:0;font-size:15px;font-style:normal;font-weight:100;flex-basis:100%\"><div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/academiespatiale.fr\" title=\"Home\">Home<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/academiespatiale.fr\/index.php\/events\/\" title=\"\u00c9v\u00e8nements\">\u00c9v\u00e8nements<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/academiespatiale.fr\/index.php\/events\/categorie\/seminaire\/\" title=\"S\u00e9minaire \/ webinaire\">S\u00e9minaire \/ webinaire<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t[Webinaire] F\u00e9d\u00e9ration Nanosats \u2013 Exoplan\u00e8tes extr\u00eames\n\t\t<\/span><\/div><\/div>\n<\/div>\n\n\n\n<p class=\"has-medium-font-size\"><strong>Kevin France, professeur au LASP\/Universit\u00e9 du Colorado, pr\u00e9sentera le jeudi 12 f\u00e9vrier 2026 un webinaire intitul\u00e9 : \u00ab&nbsp;<strong><strong>Exploration des exoplan\u00e8tes extr\u00eames et de l\u2019activit\u00e9 stellaire \u00e0 l\u2019aide de missions de petits satellites<\/strong><\/strong>&nbsp;\u00bb<\/strong><\/p>\n\n\n\n<p>Ce s\u00e9minaire est organis\u00e9 par la F\u00e9d\u00e9ration Nanosats dans le cadre de leur nouvelle s\u00e9rie de s\u00e9minaires en ligne enti\u00e8rement d\u00e9di\u00e9e aux projets de nanosatellites scientifiques.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"has-text-align-center has-medium-font-size\"><strong>INSCRIPTION<\/strong><br>Jeudi 12 f\u00e9vrier 2026<\/p>\n\n\n\n<p class=\"has-text-align-center has-medium-font-size\">&gt;&gt;&gt; <a href=\"https:\/\/sites.lesia.obspm.fr\/federation-nanosats\/lancement-des-seminaires-en-ligne-dedies-aux-nanosatellites\/#formulaire\" target=\"_blank\" rel=\"noopener\" title=\"\">Lien d&rsquo;inscription webinaires<\/a> &lt;&lt;&lt;<\/p>\n\n\n\n<p class=\"has-text-align-center\">ATTENTION : une adresse email de votre institution d\u2019appartenance est obligatoire (laboratoire, universit\u00e9, entreprise, etc.). Toute adresse personnelle sera automatiquement retir\u00e9e de la liste.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/sites.lesia.obspm.fr\/federation-nanosats\/lancement-des-seminaires-en-ligne-dedies-aux-nanosatellites\/\" target=\"_blank\" rel=\" noreferrer noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"750\" height=\"500\" src=\"https:\/\/academiespatiale.fr\/wp-content\/uploads\/2025\/10\/Webinaire_federations-nanosats_France_fev2026.png\" alt=\"\" class=\"wp-image-6225\" srcset=\"https:\/\/academiespatiale.fr\/wp-content\/uploads\/2025\/10\/Webinaire_federations-nanosats_France_fev2026.png 750w, https:\/\/academiespatiale.fr\/wp-content\/uploads\/2025\/10\/Webinaire_federations-nanosats_France_fev2026-300x200.png 300w, https:\/\/academiespatiale.fr\/wp-content\/uploads\/2025\/10\/Webinaire_federations-nanosats_France_fev2026-360x240.png 360w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n\n\n\n<p>ABSTRACT<br>La fuite atmosph\u00e9rique est un processus qui affecte la structure, la composition et l\u2019\u00e9volution de nombreuses plan\u00e8tes. Les taux de fuite atmosph\u00e9rique d\u00e9pendent fortement des flux de photons ultraviolets extr\u00eames (EUV) et ultraviolets lointains (FUV) provenant de l\u2019\u00e9toile h\u00f4te. Dans cette pr\u00e9sentation, je pr\u00e9senterai les missions actuelles et futures de petits satellites con\u00e7ues pour observer directement la fuite atmosph\u00e9rique des exoplan\u00e8tes et pour \u00e9tudier la luminosit\u00e9 EUV et la r\u00e9partition \u00e9nerg\u00e9tique des \u00e9ruptions EUV sur les \u00e9toiles proches. La majeure partie de la pr\u00e9sentation portera sur CUTE, une mission CubeSat 6U con\u00e7ue pour mener des observations novatrices des atmosph\u00e8res \u00e9tendues des plan\u00e8tes proches. CUTE est la premi\u00e8re mission spectroscopique d\u00e9di\u00e9e aux exoplan\u00e8tes de la NASA et a collect\u00e9 6 \u00e0 11 transits de chacune des 10 exoplan\u00e8tes \u00e0 courte p\u00e9riode. Je conclurai la pr\u00e9sentation en d\u00e9crivant la prochaine mission MANTIS, un CubeSat 16U qui effectuera des observations simultan\u00e9es d\u2019\u00e9toiles proches dans quatre bandes spectrales, de l\u2019EUV \u00e0 l\u2019optique (~10 \u2013 600 nm).<\/p>\n\n\n\n<p class=\"has-text-color has-link-color wp-elements-945e2c35b74f5387871617f5411cbaea\" style=\"color:#489ef9\"><strong>Kevin France, Universit\u00e9 du Colorado<\/strong><br>est professeur au LASP\/Universit\u00e9 du Colorado. Ses recherches portent sur les exoplan\u00e8tes, leurs \u00e9toiles h\u00f4te, et l\u2019instrumentation pour l\u2019astrophysique ultraviolette. Il est le principal investigateur de nombreuses missions suborbitales et de petits satellites, et travaille actuellement au d\u00e9veloppement du concept HWO de la NASA.<\/p>\n\n\n\n<p class=\"has-text-align-left has-background-color-background-color has-background\">Voir tous les webinaires <br>\u2192 <a href=\"https:\/\/academiespatiale.fr\/index.php\/2025\/10\/29\/lfederation-nanosats-webinaires_2025-2026\/\" target=\"_blank\" rel=\"noopener\" title=\"\">La F\u00e9d\u00e9ration Nanosats organise une s\u00e9rie de Webinaires sur le NewSpace et les Nanosats &#8211; Acad\u00e9mie Spatiale d&rsquo;\u00cele-de-France<\/a><br><br>Site officiel<br>\u2192 <a href=\"https:\/\/sites.lesia.obspm.fr\/federation-nanosats\/lancement-des-seminaires-en-ligne-dedies-aux-nanosatellites\/\" target=\"_blank\" rel=\"noopener\" title=\"\">Lancement des s\u00e9minaires en ligne d\u00e9di\u00e9s aux nanosatellites &#8211; F\u00e9d\u00e9ration Nanosats<\/a><\/p>\n<\/div><\/div>\n\n\n\t<div  class=\"tribe-block tribe-block__events-link\" >\n\t\t<div class=\"tribe-events tribe-common\">\n\t\t\t<div class=\"tribe-events-c-subscribe-dropdown__container\">\n\t\t\t\t<div class=\"tribe-events-c-subscribe-dropdown\">\n\t\t\t\t\t<div class=\"tribe-common-c-btn-border tribe-events-c-subscribe-dropdown__button\">\n\t\t\t\t\t\t<svg\n\t class=\"tribe-common-c-svgicon tribe-common-c-svgicon--cal-export tribe-events-c-subscribe-dropdown__export-icon\" \taria-hidden=\"true\"\n\tviewBox=\"0 0 23 17\"\n\txmlns=\"http:\/\/www.w3.org\/2000\/svg\"\n>\n\t<path fill-rule=\"evenodd\" clip-rule=\"evenodd\" d=\"M.128.896V16.13c0 .211.145.383.323.383h15.354c.179 0 .323-.172.323-.383V.896c0-.212-.144-.383-.323-.383H.451C.273.513.128.684.128.896Zm16 6.742h-.901V4.679H1.009v10.729h14.218v-3.336h.901V7.638ZM1.01 1.614h14.218v2.058H1.009V1.614Z\" \/>\n\t<path d=\"M20.5 9.846H8.312M18.524 6.953l2.89 2.909-2.855 2.855\" stroke-width=\"1.2\" stroke-linecap=\"round\" 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