{"id":38922,"date":"2025-12-15T16:03:26","date_gmt":"2025-12-15T15:03:26","guid":{"rendered":"https:\/\/www.univ-smb.fr\/mon-usmb\/?p=38922"},"modified":"2025-12-15T16:03:26","modified_gmt":"2025-12-15T15:03:26","slug":"les-scientifiques-du-lapp-installent-le-telescope-de-grande-taille-lst-2","status":"publish","type":"post","link":"https:\/\/www.univ-smb.fr\/mon-usmb\/2025\/12\/15\/les-scientifiques-du-lapp-installent-le-telescope-de-grande-taille-lst-2\/","title":{"rendered":"Les scientifiques du LAPP installent le t\u00e9lescope de grande taille LST-2"},"content":{"rendered":"<div class=\"cm-entry-summary\">\n<div class=\"elementor elementor-9531\" data-elementor-type=\"wp-post\" data-elementor-id=\"9531\">\n<div class=\"elementor-element elementor-element-c7bc326 e-flex e-con-boxed wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no e-con e-parent e-lazyloaded\" data-id=\"c7bc326\" data-element_type=\"container\">\n<div class=\"e-con-inner\">\n<div class=\"elementor-element elementor-element-3bec820 elementor-widget elementor-widget-text-editor\" data-id=\"3bec820\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n<div class=\"elementor-widget-container\">\n<p><strong>En juillet 2025, CNRS Images a suivi les \u00e9quipes du <a href=\"https:\/\/www.lapp.in2p3.fr\/\" target=\"_blank\" rel=\"noopener\">Laboratoire d&rsquo;Annecy de Physique des Particules (LAPP)<\/a> qui <a href=\"https:\/\/www.lapp.in2p3.fr\/2025-07-science-9007\" target=\"_blank\" rel=\"noopener\">ont install\u00e9 la Structure Support de Cam\u00e9ra du LST-2<\/a> sur le site nord de l\u2019observatoire CTA, qui se trouve \u00e0 la Palma (archipel des Canaries). Pour rappel, le LAPP est une Unit\u00e9 Mixte de Recherche d\u00e9pendant du CNRS et de l\u2019USMB.<\/strong><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"elementor-element elementor-element-4fbf831 e-flex e-con-boxed wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no e-con e-parent e-lazyloaded\" data-id=\"4fbf831\" data-element_type=\"container\">\n<div class=\"e-con-inner\">\n<div class=\"elementor-element elementor-element-460f622 elementor-widget elementor-widget-heading\" data-id=\"460f622\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n<div class=\"elementor-widget-container\">\n<h2 class=\"elementor-heading-title elementor-size-default\">Reportage vid\u00e9o : La danse des t\u00e9lescopes et des rayons gamma<\/h2>\n<\/div>\n<\/div>\n<div class=\"elementor-element elementor-element-1c78e0a elementor-widget elementor-widget-text-editor\" data-id=\"1c78e0a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n<div class=\"elementor-widget-container\">\n<p>L\u2019installation de t\u00e9lescopes de grande taille aux Canaries pousse des \u00e9quipes du LAPP \u00e0 jouer les alpinistes. Leur objectif : \u00e9tudier des objets et des \u00e9v\u00e9nements tr\u00e8s lointains tels que les sursauts gamma et les noyaux actifs de galaxies.<\/p>\n<p><iframe title=\"La danse des t\u00e9lescopes et des rayons gamma I Reportage CNRS\" width=\"960\" height=\"540\" src=\"https:\/\/www.youtube.com\/embed\/G0SPQYN11Yc?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<h5><span style=\"color: #808080\"><em>Un reportage CNRS le Journal, en partenariat avec Le Monde.<\/em><\/span><\/h5>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"elementor-element elementor-element-acc2922 e-flex e-con-boxed wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no e-con e-parent e-lazyloaded\" data-id=\"acc2922\" data-element_type=\"container\">\n<div class=\"e-con-inner\">\n<div class=\"elementor-element elementor-element-71541d2 elementor-widget elementor-widget-heading\" data-id=\"71541d2\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n<div class=\"elementor-widget-container\">\n<h2 class=\"elementor-heading-title elementor-size-default\">Reportage photo : Installation du t\u00e9lescope LST-2 \u00e0 La Palma<\/h2>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"elementor-element elementor-element-f57d7ce e-flex e-con-boxed wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no e-con e-parent e-lazyloaded\" data-id=\"f57d7ce\" data-element_type=\"container\">\n<div class=\"e-con-inner\">\n<div class=\"elementor-element elementor-element-b87a70c elementor-widget elementor-widget-text-editor\" data-id=\"b87a70c\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n<div class=\"elementor-widget-container\">\n<p>Sur l\u2019\u00eele de La Palma, des scientifiques du LAPP installent le deuxi\u00e8me t\u00e9lescope de grande taille (LST-2) du r\u00e9seau Cherenkov Telescope Array. Une \u00e9tape spectaculaire de ce chantier international, d\u00e9di\u00e9 \u00e0 l\u2019\u00e9tude des rayons gamma issus des ph\u00e9nom\u00e8nes cosmiques extr\u00eames.<\/p>\n<\/div>\n<\/div>\n<div class=\"elementor-element elementor-element-3b60342 elementor-align-center elementor-widget elementor-widget-button\" data-id=\"3b60342\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n<div class=\"elementor-widget-container\">\n<blockquote>\n<div class=\"elementor-button-wrapper\"><a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/images.cnrs.fr\/reportage-photo\/rep001327\" target=\"_blank\" rel=\"noopener\"> <span class=\"elementor-button-content-wrapper\"> <i class=\"fas fa-camera\" aria-hidden=\"true\"><\/i> <span class=\"elementor-button-text\">Voir les photos<\/span> <\/span> <\/a><\/div>\n<\/blockquote>\n<\/div>\n<\/div>\n<div class=\"elementor-element elementor-element-0f261f9 elementor-widget elementor-widget-text-editor\" data-id=\"0f261f9\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n<div class=\"elementor-widget-container\">\n<p>Sur le site de l\u2019observatoire du Roque de los Muchachos, dans les \u00eeles Canaries, l\u2019arche supportant la cam\u00e9ra de LST-2 est hiss\u00e9e par une grue avant d\u2019\u00eatre fix\u00e9e sur sa base. Cette op\u00e9ration, pr\u00e9par\u00e9e par une formation aux travaux en hauteur, marque une \u00e9tape cl\u00e9 pour la Collaboration CTAO, qui supervise la construction du r\u00e9seau international de t\u00e9lescopes Cherenkov Telescope Array.<br \/>\nCe dispositif permettra d\u2019observer les rayons gamma de plus basse \u00e9nergie, r\u00e9v\u00e9lant les traces d\u2019\u00e9v\u00e9nements violents tels que la mort d\u2019\u00e9toiles ou l\u2019activit\u00e9 de trous noirs massifs, \u00e0 des distances cosmologiques.<\/p>\n<h5><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone wp-image-38931 size-full\" src=\"https:\/\/www.univ-smb.fr\/mon-usmb\/wp-content\/uploads\/sites\/113\/2025\/12\/20251210-lapp.png\" alt=\"\" width=\"750\" height=\"300\" srcset=\"https:\/\/www.univ-smb.fr\/mon-usmb\/wp-content\/uploads\/sites\/113\/2025\/12\/20251210-lapp.png 750w, https:\/\/www.univ-smb.fr\/mon-usmb\/wp-content\/uploads\/sites\/113\/2025\/12\/20251210-lapp-250x100.png 250w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><span style=\"color: #808080\"><em>Les t\u00e9lescopes LST-1 et LST-2, ce dernier en construction, site nord de l&rsquo;observatoire CTA \u00e0 La Palma, Canaries \u00a9 Cyril FRESILLON \/ LAPP \/ CNRS Images<\/em><\/span><\/h5>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"elementor-element elementor-element-58e2fa2 e-flex e-con-boxed wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no e-con e-parent e-lazyloaded\" data-id=\"58e2fa2\" data-element_type=\"container\">\n<div class=\"e-con-inner\">\n<div class=\"elementor-element elementor-element-ab3185f elementor-widget elementor-widget-heading\" data-id=\"ab3185f\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n<div class=\"elementor-widget-container\">\n<h2 class=\"elementor-heading-title elementor-size-default\">La participation du LAPP \u00e0 CTAO<\/h2>\n<\/div>\n<\/div>\n<div class=\"elementor-element elementor-element-28f4d9b elementor-widget elementor-widget-text-editor\" data-id=\"28f4d9b\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n<div class=\"elementor-widget-container\">\n<p>Le LAPP est fortement impliqu\u00e9 dans la construction des grands t\u00e9lescopes de l\u2019observatoire CTA, les LST (Large-Sized Telescope), qui ont pour but de capturer les \u00e9v\u00e8nements de plus basse \u00e9nergie et \u00e9tudier les ph\u00e9nom\u00e8nes transitoires. Ainsi, le LAPP travaille sur la d\u00e9tection de sursauts gamma mais aussi sur les observations d\u2019\u00e9ruptions de noyaux actifs de galaxie.<\/p>\n<p>L\u2019\u00e9quipe Astronomie-Gamma au LAPP est charg\u00e9e de la r\u00e9alisation de l\u2019arche des t\u00e9lescopes LST supportant la cam\u00e9ra, le tout en mat\u00e9riaux composites. Elle d\u00e9veloppe \u00e9galement le syst\u00e8me de mouvement du t\u00e9lescope et du contr\u00f4le informatique et l\u2019optimisation des communications entre l\u2019environnement logiciel, les automates programmables et les autres dispositifs embarqu\u00e9s.<br \/>\nLe LAPP participe aussi \u00e0 la g\u00e9n\u00e9ration d\u2019alertes pour des observations rapides, \u00e0 la r\u00e9alisation de projets d\u2019analyse hautes performances ou bas\u00e9es sur des techniques de machine learning, ainsi qu\u2019au calcul hors site et \u00e0 l\u2019archive des donn\u00e9es.<\/p>\n<p>En 2019, <a href=\"https:\/\/www.lapp.in2p3.fr\/2019-06-science-4030\" target=\"_blank\" rel=\"noopener\">une \u00e9quipe du LAPP a re\u00e7u le Cristal collectif du CNRS<\/a> pour sa contribution \u00e0 la conception et \u00e0 la r\u00e9alisation des t\u00e9lescopes de grande taille (LST) de l\u2019observatoire CTAO.<\/p>\n<\/div>\n<\/div>\n<div class=\"elementor-element elementor-element-cb10450 elementor-widget elementor-widget-button\" data-id=\"cb10450\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n<div class=\"elementor-widget-container\">\n<blockquote>\n<div class=\"elementor-button-wrapper\"><a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/www.lapp.in2p3.fr\/recherche\/cta%20\" target=\"_blank\" rel=\"noopener\"><span class=\"elementor-button-content-wrapper\"><span class=\"elementor-button-text\">En savoir plus sur la contribution du LAPP \u00e0 CTAO <\/span><\/span><\/a><\/div>\n<\/blockquote>\n<h2>En savoir plus<\/h2>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"elementor-element elementor-element-c96fa14 e-flex e-con-boxed wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no e-con e-parent e-lazyloaded\" data-id=\"c96fa14\" data-element_type=\"container\">\n<div class=\"e-con-inner\">\n<div class=\"elementor-element elementor-element-777e9ed elementor-widget elementor-widget-text-editor\" data-id=\"777e9ed\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n<div class=\"elementor-widget-container\">\n<ul>\n<li><strong><a href=\"https:\/\/lejournal.cnrs.fr\/videos\/la-danse-des-telescopes-et-des-rayons-gamma\" target=\"_blank\" rel=\"noopener\">Reportage vid\u00e9o<\/a> de CNRS Images<\/strong><\/li>\n<li><strong><a href=\"https:\/\/images.cnrs.fr\/reportage-photo\/rep001327\" target=\"_blank\" rel=\"noopener\">Reportage photo<\/a> de CNRS Images<\/strong><\/li>\n<li><strong>Site de <a href=\"https:\/\/www.ctao.org\/\" target=\"_blank\" rel=\"noopener\">CTAO<\/a><\/strong><\/li>\n<li><b><a href=\"https:\/\/www.lapp.in2p3.fr\/recherche\/CTA\" target=\"_blank\" rel=\"noopener\">CTA<\/a> au LAPP<\/b><\/li>\n<li><strong>Photo d\u2019illustration :<\/strong> Assemblage de la structure du t\u00e9lescope LST-2, site nord de l\u2019observatoire CTA \u00e0 La Palma, Canaries \u00a9 Cyril FRESILLON \/ LAPP \/ CNRS Images<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>En juillet 2025, CNRS Images a suivi les \u00e9quipes du Laboratoire d&rsquo;Annecy de Physique des Particules (LAPP) qui ont install\u00e9 la Structure Support de Cam\u00e9ra du LST-2 sur le site nord de l\u2019observatoire CTA, qui 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