{"id":7485,"date":"2019-02-09T16:53:48","date_gmt":"2019-02-09T15:53:48","guid":{"rendered":"http:\/\/www.astroantony.com\/blog\/?p=7485"},"modified":"2019-02-09T16:53:48","modified_gmt":"2019-02-09T15:53:48","slug":"atelier-exoplanet2019","status":"publish","type":"post","link":"https:\/\/www.astroantony.com\/blog\/?p=7485","title":{"rendered":"Atelier Exoplanet2019"},"content":{"rendered":"<p>Le mardi 5 f\u00e9vrier \u00e0 20h30 se tenait \u00e0 la Maison verte, la premi\u00e8re r\u00e9union du groupe \u00ab\u00a0Exoplanet2019\u00a0\u00bb, plac\u00e9e sous l&rsquo;\u00e9gide de G\u00e9rard, \u00e0 la suite d&rsquo;un sondage ayant rencontr\u00e9 un vif int\u00e9r\u00eat aupr\u00e8s des adh\u00e9rents du club.<\/p>\n<p>15 membres \u00e9taient inscrits, 10 ont particip\u00e9 \u00e0 cette premi\u00e8re r\u00e9union\u00a0:<br \/>\nJean-Jacques, Benoist, Herv\u00e9, Michel, G\u00e9rard, Bruno, Bertrand, Robert, Alain (notre photographe \u00e9v\u00e9nementiel) et moi-m\u00eame (Jean-Pierre).<\/p>\n<p><img loading=\"lazy\" class=\"aligncenter size-full wp-image-7486\" src=\"http:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2019\/02\/photo1.jpg\" alt=\"\" width=\"1167\" height=\"658\" srcset=\"https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2019\/02\/photo1.jpg 1167w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2019\/02\/photo1-300x169.jpg 300w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2019\/02\/photo1-768x433.jpg 768w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2019\/02\/photo1-1024x577.jpg 1024w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2019\/02\/photo1-624x352.jpg 624w\" sizes=\"(max-width: 1167px) 100vw, 1167px\" \/><\/p>\n<p>Nous rappelons l\u2019objectif de cette activit\u00e9, qui consiste \u00e0 r\u00e9aliser, en 2019, l&rsquo;ensemble des \u00e9tapes li\u00e9es \u00e0 la d\u00e9tection d&rsquo;une exoplan\u00e8te de type Jupiter :<\/p>\n<p>&#8211; <strong>Choix de la cible \u00e0 partir de bases de donn\u00e9es sp\u00e9cialis\u00e9es<\/strong>:<br \/>\nETD -Exoplanet Transit Database (http:\/\/var2.astro.cz\/ETD\/),<br \/>\nAAVSO -American Association of Variable Star Observers (https:\/\/www.aavso.org\/exoplanet-section) ,<\/p>\n<p>Les cibles ne manquent pas. <img loading=\"lazy\" class=\"aligncenter size-full wp-image-7503\" src=\"http:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2019\/02\/photo6.jpg\" alt=\"\" width=\"1386\" height=\"781\" srcset=\"https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2019\/02\/photo6.jpg 1386w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2019\/02\/photo6-300x169.jpg 300w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2019\/02\/photo6-768x433.jpg 768w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2019\/02\/photo6-1024x577.jpg 1024w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2019\/02\/photo6-624x352.jpg 624w\" sizes=\"(max-width: 1386px) 100vw, 1386px\" \/><\/p>\n<p>Le choix s&rsquo;av\u00e8re d\u00e9licat, Jean-Jacques s&rsquo;interroge&#8230;<\/p>\n<p><img loading=\"lazy\" class=\"aligncenter size-full wp-image-7504\" src=\"http:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2019\/02\/photo5.jpg\" alt=\"\" width=\"1443\" height=\"813\" srcset=\"https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2019\/02\/photo5.jpg 1443w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2019\/02\/photo5-300x169.jpg 300w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2019\/02\/photo5-768x433.jpg 768w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2019\/02\/photo5-1024x577.jpg 1024w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2019\/02\/photo5-624x352.jpg 624w\" sizes=\"(max-width: 1443px) 100vw, 1443px\" \/><\/p>\n<p>&#8211; <strong>Utilisation des moyens techniques mis \u00e0 la disposition du club<\/strong> (Observatoire TJMS de Buthiers (t\u00e9lescope de 600mm),<\/p>\n<p>&#8211; <strong>R\u00e9alisation du traitement graphique \u00e0 partir de logiciels d\u00e9di\u00e9s<\/strong>.<\/p>\n<p>Il est \u00e0 noter que ce projet doit tenir compte de plusieurs contraintes locales (\u00e9ph\u00e9m\u00e9rides, m\u00e9t\u00e9o, disponibilit\u00e9 du TJMS et des participants).<\/p>\n<p>Mais avant entr\u00e9e dans le vif du sujet,\u00a0 Bertrand nous propose des cr\u00eapes aimablement pr\u00e9par\u00e9es par son \u00e9pouse.<\/p>\n<p><img loading=\"lazy\" class=\"aligncenter size-full wp-image-7490\" src=\"http:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2019\/02\/photo2.jpg\" alt=\"\" width=\"1107\" height=\"906\" srcset=\"https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2019\/02\/photo2.jpg 1107w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2019\/02\/photo2-300x246.jpg 300w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2019\/02\/photo2-768x629.jpg 768w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2019\/02\/photo2-1024x838.jpg 1024w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2019\/02\/photo2-624x511.jpg 624w\" sizes=\"(max-width: 1107px) 100vw, 1107px\" \/><\/p>\n<p>Voila un groupe qui d\u00e9marre fort !<\/p>\n<p><img loading=\"lazy\" class=\"aligncenter size-full wp-image-7492\" src=\"http:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2019\/02\/photo3.jpg\" alt=\"\" width=\"851\" height=\"480\" srcset=\"https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2019\/02\/photo3.jpg 851w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2019\/02\/photo3-300x169.jpg 300w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2019\/02\/photo3-768x433.jpg 768w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2019\/02\/photo3-624x352.jpg 624w\" sizes=\"(max-width: 851px) 100vw, 851px\" \/><\/p>\n<p>Reprenons nos travaux\u00a0!<\/p>\n<p>G\u00e9rard nous fait part de ses commentaires.<img loading=\"lazy\" class=\"aligncenter size-full wp-image-7508\" src=\"http:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2019\/02\/photo4.jpg\" alt=\"\" width=\"1435\" height=\"979\" srcset=\"https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2019\/02\/photo4.jpg 1435w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2019\/02\/photo4-300x205.jpg 300w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2019\/02\/photo4-768x524.jpg 768w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2019\/02\/photo4-1024x699.jpg 1024w, https:\/\/www.astroantony.com\/blog\/wp-content\/uploads\/2019\/02\/photo4-624x426.jpg 624w\" sizes=\"(max-width: 1435px) 100vw, 1435px\" \/><\/p>\n<p>Deux phases sont \u00e0 consid\u00e9rer :<\/p>\n<ul>\n<li>Acquisition d\u2019un film pendant toute la p\u00e9riode d\u2019occultation,<\/li>\n<li>Exploitation des images acquises par l\u2019utilisation d\u2019un logiciel adapt\u00e9 (\u00e0 pr\u00e9ciser).<\/li>\n<\/ul>\n<p>Nous nous limitons ici \u00e0 la phase de l\u2019acquisition et de sa pr\u00e9paration\u00a0:<br \/>\nElle est pour nous la plus difficile \u00e0 organiser, il faut un ciel parfait, un t\u00e9lescope disponible,\u00a0 des op\u00e9rateurs TJMS qualifi\u00e9s avec une comp\u00e9tence particuli\u00e8re, et \u00eatre pr\u00eat \u00e0 passer une nuit sur place.<\/p>\n<p>Plusieurs des membres participants disposent des comp\u00e9tences pr\u00e9cit\u00e9es, la plupart \u00e9tant\u00a0 en activit\u00e9 et\u00a0 disposant donc d&rsquo;une disponibilit\u00e9 limit\u00e9e en semaine.<br \/>\nIl reste les vendredis\/samedis soir et les vacances.<\/p>\n<p>Un premier calendrier, fix\u00e9 par G\u00e9rard et moi-m\u00eame pr\u00e9voyait un cr\u00e9neau fix\u00e9 entre le 8 et le 14 avril, compte tenu de ses propres contraintes.<\/p>\n<p><span style=\"font-size: medium\"><b>Au final, le 12 et 13 Avril 2019 sont les seules dates envisageables<\/b><\/span>.<\/p>\n<p>La r\u00e9servation du TJMS serait susceptible d&rsquo;\u00eatre effectu\u00e9e \u00e0 ces dates, sous r\u00e9serve d&rsquo;une bonne m\u00e9t\u00e9o. La d\u00e9cision est en cours de r\u00e9flexion.<\/p>\n<p>Il nous faut d\u00e9finir une cible pas trop difficile.<br \/>\nLes id\u00e9es fusent parmi les membres ayant particip\u00e9 \u00e0 la mission Exoplanet \u00e0 l&rsquo;Observatoire de Saint V\u00e9ran avec Romuald, il y a quelques ann\u00e9es.<\/p>\n<p>Et c&rsquo;est la fin de cette premi\u00e8re r\u00e9union, dont les participants, enthousiastes, sont pr\u00eats !<\/p>\n<p>&nbsp;<\/p>\n<p><strong>Un grand merci \u00e0 G\u00e9rard pour son soutien \u00e0 cette nouvelle activit\u00e9, et \u00e0 Bertrand (ainsi que\u00a0 son \u00e9pouse) pour les excellentes cr\u00eapes.<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le mardi 5 f\u00e9vrier \u00e0 20h30 se tenait \u00e0 la Maison verte, la premi\u00e8re r\u00e9union du groupe \u00ab\u00a0Exoplanet2019\u00a0\u00bb, plac\u00e9e sous l&rsquo;\u00e9gide de G\u00e9rard, \u00e0 la suite d&rsquo;un sondage ayant rencontr\u00e9 un vif int\u00e9r\u00eat aupr\u00e8s des adh\u00e9rents du club. 15 membres \u00e9taient inscrits, 10 ont particip\u00e9 \u00e0 cette premi\u00e8re r\u00e9union\u00a0: Jean-Jacques, Benoist, Herv\u00e9, Michel, G\u00e9rard, Bruno, [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v15.3 - 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