{"id":3012,"date":"2015-06-16T04:22:32","date_gmt":"2015-06-16T04:22:32","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/feldmann\/?p=3012"},"modified":"2015-06-23T04:49:53","modified_gmt":"2015-06-23T04:49:53","slug":"tom-wagg-decouvreur-dune-exoplanete-a-lage-de-15-ans","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/06\/16\/tom-wagg-decouvreur-dune-exoplanete-a-lage-de-15-ans\/","title":{"rendered":"Tom Wagg, d\u00e9couvreur d&#8217;une exoplan\u00e8te \u00e0 l&#8217;\u00e2ge de 15 ans"},"content":{"rendered":"<p><strong>Les astronomes viennent de confirmer une d\u00e9couverte r\u00e9alis\u00e9e il y a deux ans : Tom Wagg, 15 ans, avait soup\u00e7onn\u00e9 l&#8217;existence d&#8217;une exoplan\u00e8te sur un clich\u00e9.<\/strong><\/p>\n<p>Depuis la premi\u00e8re d\u00e9couverte d&#8217;une exoplan\u00e8te en 1995 (51 Pegasi b) par les astronomes Michel Mayor et Didier Queloz \u00e0 l&#8217;<a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2014\/05\/07\/telescope-lohp\/\" target=\"_blank\">Observatoire de Haute-Provence<\/a>, la liste n&#8217;a cess\u00e9 de s&#8217;allonger et on compte aujourd&#8217;hui environ 2000 exoplan\u00e8tes.<\/p>\n<p><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2015\/06\/tom_wagg.jpg\" rel=\"lightbox[3012]\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-3013\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2015\/06\/tom_wagg-450x299.jpg\" alt=\"tom_wagg\" width=\"450\" height=\"299\" srcset=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2015\/06\/tom_wagg-450x299.jpg 450w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2015\/06\/tom_wagg-1024x680.jpg 1024w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2015\/06\/tom_wagg.jpg 1200w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/a><\/p>\n<p>Parmi les r\u00e9centes d\u00e9couvertes, WASP-142b est une nouvelle Jupiter chaude situ\u00e9e \u00e0 1000 ann\u00e9es-lumi\u00e8re de nous dans la constellation australe de l&#8217;Hydre qui tourne en seulement deux jours autour de son \u00e9toile. Cette exoplan\u00e8te serait presque pass\u00e9e inaper\u00e7ue si elle n&#8217;avait pas \u00e9t\u00e9 d\u00e9couverte par un jeune gar\u00e7on, Tom Wagg, 17 ans aujourd&#8217;hui.<\/p>\n<p><!--more-->Il y a deux ans, alors qu&#8217;il effectuait un stage \u00e0 l&#8217;<a href=\"http:\/\/www.keele.ac.uk\/pressreleases\/2015\/work-experienceschoolboydiscoversanewplanet.html\" target=\"_blank\">universit\u00e9 de Keele<\/a> (Angleterre), le jeune Tom a \u00e9t\u00e9 amen\u00e9 \u00e0 inspecter des clich\u00e9s r\u00e9alis\u00e9s dans le cadre du programme <a href=\"http:\/\/www.superwasp.org\/\" target=\"_blank\">WASP<\/a> (<em>Wide Angle Search for Planets<\/em>), un dispositif de recherche automatique d&#8217;exoplan\u00e8tes utilisant la m\u00e9thode des transits (le principe consiste \u00e0 d\u00e9tecter l&#8217;infime baisse de luminosit\u00e9 d&#8217;une \u00e9toile provoqu\u00e9e par le passage d&#8217;une exoplan\u00e8te).<\/p>\n<p>Pour couvrir la totalit\u00e9 du ciel jusqu&#8217;\u00e0 la magnitude 15, le r\u00e9seau WASP a des cam\u00e9ras dans deux observatoires : l&#8217;<a href=\"http:\/\/www.iac.es\/eno.php?op1=2\" target=\"_blank\">Observatoire du Roque de los Muchachos<\/a> pour le ciel de l&#8217;h\u00e9misph\u00e8re nord, et le <a href=\"http:\/\/www.saao.ac.za\/\" target=\"_blank\"><em>South African Astronomical Observatory<\/em><\/a> pour le ciel de l&#8217;h\u00e9misph\u00e8re sud.<\/p>\n<p>Sur un clich\u00e9 pris depuis l&#8217;Afrique du Sud, Tom Wagg a rep\u00e9r\u00e9 une petite variation de luminosit\u00e9 qu&#8217;il a signal\u00e9e aux scientifiques. Ces derniers viennent de confirmer qu&#8217;il s&#8217;agit bien d&#8217;une nouvelle exoplan\u00e8te, la 142e du programme WASP. Cette \u00e9tonnante d\u00e9couverte ne peut que ravir son jeune auteur, lequel a d\u00e9clar\u00e9\u00a0: &#8220;<em>je suis extr\u00eamement heureux d&#8217;avoir trouv\u00e9 un une nouvelle plan\u00e8te, et je suis tr\u00e8s impressionn\u00e9 de voir que nous pouvons les trouver si loin\u00a0!&#8221;<\/em><\/p>\n<!-- AddThis Advanced Settings generic via filter on the_content --><!-- AddThis Share Buttons generic via filter on the_content -->","protected":false},"excerpt":{"rendered":"<p>Les astronomes viennent de confirmer une d\u00e9couverte r\u00e9alis\u00e9e il y a deux ans : Tom Wagg, 15 ans, avait soup\u00e7onn\u00e9 l&#8217;existence d&#8217;une exoplan\u00e8te sur un clich\u00e9. Depuis la premi\u00e8re d\u00e9couverte d&#8217;une exoplan\u00e8te en 1995 (51 Pegasi b) par les astronomes Michel Mayor et Didier Queloz \u00e0 l&#8217;Observatoire de Haute-Provence, la liste n&#8217;a cess\u00e9 de s&#8217;allonger &hellip; <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/06\/16\/tom-wagg-decouvreur-dune-exoplanete-a-lage-de-15-ans\/\" class=\"more-link\">Continuer la lecture de <span class=\"screen-reader-text\">Tom Wagg, d\u00e9couvreur d&#8217;une exoplan\u00e8te \u00e0 l&#8217;\u00e2ge de 15 ans<\/span>  <span class=\"meta-nav\">&rarr;<\/span><\/a><!-- AddThis Advanced Settings generic via filter on get_the_excerpt --><!-- AddThis Share Buttons generic via filter on get_the_excerpt --><\/p>\n","protected":false},"author":8,"featured_media":3013,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[509],"tags":[1102,1103,110,1099,1104,1100,1101],"class_list":["post-3012","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites","tag-51-pegasi-b","tag-constellation-de-lhydre","tag-exoplanete","tag-tom-wagg","tag-universite-de-keele","tag-wasp","tag-wasp-142b"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.1 - 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