{"id":9586,"date":"2018-11-21T14:27:12","date_gmt":"2018-11-21T14:27:12","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/feldmann\/?p=9586"},"modified":"2018-12-02T08:12:16","modified_gmt":"2018-12-02T08:12:16","slug":"lenigmatique-nuage-interstellaire-iras-05437-2502","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/feldmann\/2018\/11\/21\/lenigmatique-nuage-interstellaire-iras-05437-2502\/","title":{"rendered":"L&#8217;\u00e9nigmatique nuage interstellaire IRAS 05437 + 2502"},"content":{"rendered":"<p><strong>D\u00e9couvert en 1983 par un satellite astronomique infrarouge, IRAS 05437 + 2502 est un curieux nuage de poussi\u00e8re situ\u00e9 dans la constellation du Taureau. <\/strong><\/p>\n<p>Iras (<em>Infrared Astronomical Satellite<\/em>) est un satellite qui n&#8217;aura fonctionn\u00e9 que dix mois en 1983 ce qui ne l&#8217;a pas emp\u00each\u00e9 de d\u00e9couvrir pr\u00e8s de 250 000 cibles dans l&#8217;infrarouge lointain (de 12 \u00e0 100 microm\u00e8tres de longueur d&#8217;onde) gr\u00e2ce \u00e0 ses d\u00e9tecteurs plac\u00e9s au foyer d&#8217;un t\u00e9lescope de 60 cm de diam\u00e8tre et refroidis \u00e0 moins de 4 degr\u00e9s Kelvin.<\/p>\n<p><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2018\/09\/iras.jpg\" rel=\"lightbox[9586]\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-9587\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2018\/09\/iras-450x280.jpg\" alt=\"\" width=\"450\" height=\"280\" srcset=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2018\/09\/iras-450x280.jpg 450w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2018\/09\/iras-768x477.jpg 768w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2018\/09\/iras-1024x636.jpg 1024w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2018\/09\/iras.jpg 1450w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/a><\/p>\n<p>On lui doit quelques d\u00e9couvertes c\u00e9l\u00e8bres comme le disque de poussi\u00e8re autour de l&#8217;\u00e9toile <a href=\"https:\/\/www.futura-sciences.com\/sciences\/actualites\/beta-pictoris-jeune-exoplanete-beta-pictoris-b-etonnamment-massive-17436\/\" target=\"_blank\" rel=\"noopener\"><em>B\u00eata Pictoris<\/em><\/a> ou encore la <a href=\"http:\/\/coolcosmos.ipac.caltech.edu\/image_galleries\/IRAS\/comet.html\" target=\"_blank\" rel=\"noopener\">com\u00e8te IRAS\u2013Araki\u2013Alcock.<\/a><!--more--><\/p>\n<p>Situ\u00e9e dans la <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/04\/25\/simeis-147-un-remanent-de-supernova-dans-le-taureau\/\" target=\"_blank\" rel=\"noopener\">constellation du Taureau<\/a>, IRAS 05437 + 2502\u00a0est une petite n\u00e9buleuse (elle ne couvre que le dix-huiti\u00e8me de la surface de la <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2018\/06\/28\/la-pleine-lune-de-juin-et-la-girouette\/\" target=\"_blank\" rel=\"noopener\">Lune<\/a> sur le ciel) dont on sait peu de choses. Elle a \u00e9t\u00e9 d\u00e9tect\u00e9e en 1983 par le satellite infrarouge IRAS et imag\u00e9e en 2010 par le <a href=\"https:\/\/www.spacetelescope.org\/images\/potw1008a\/\" target=\"_blank\" rel=\"noopener\">t\u00e9lescope spatial Hubble<\/a>.<\/p>\n<p>Les <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2014\/12\/14\/lumiere-rouge-les-astronomes\/\" target=\"_blank\" rel=\"noopener\">astronomes<\/a> s&#8217;interrogent tout particuli\u00e8rement sur la nature de la r\u00e9gion brillante en forme de \u00ab\u00a0v\u00a0\u00bb invers\u00e9 qui d\u00e9limite le sommet de cette montagne de poussi\u00e8re interstellaire. Est-ce une manifestation du rayonnement ultraviolet \u00e9mis par de jeunes \u00e9toiles en formation\u00a0? Ou faut-il y voir la signature d&#8217;un jeune soleil qui aurait \u00e9t\u00e9 \u00e9ject\u00e9 de sa pouponni\u00e8re et circulerait \u00e0 grande vitesse (plus de 200 000 km\/h) \u00e0 travers ce nuage de gaz et de poussi\u00e8re\u00a0?<\/p>\n<p>La r\u00e9ponse n&#8217;est pas pour tout de suite, l&#8217;\u00e9tude de cette \u00e9nigmatique n\u00e9buleuse n&#8217;\u00e9tant possible qu&#8217;avec de tr\u00e8s gros instruments. C&#8217;est d&#8217;ailleurs un peu par hasard que le t\u00e9lescope spatial Hubble lui a tir\u00e9 le portrait : cette cible faisait en effet partie d&#8217;une liste comprenant des observations\u00a0qui s\u2019ins\u00e8rent dans le programme tr\u00e8s charg\u00e9 de l&#8217;instrument lorsque cela est possible, sans aucune garantie que l\u2019observation puisse avoir lieu.<\/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>D\u00e9couvert en 1983 par un satellite astronomique infrarouge, IRAS 05437 + 2502 est un curieux nuage de poussi\u00e8re situ\u00e9 dans la constellation du Taureau. Iras (Infrared Astronomical Satellite) est un satellite qui n&#8217;aura fonctionn\u00e9 que dix mois en 1983 ce qui ne l&#8217;a pas emp\u00each\u00e9 de d\u00e9couvrir pr\u00e8s de 250 000 cibles dans l&#8217;infrarouge lointain &hellip; <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2018\/11\/21\/lenigmatique-nuage-interstellaire-iras-05437-2502\/\" class=\"more-link\">Continuer la lecture de <span class=\"screen-reader-text\">L&#8217;\u00e9nigmatique nuage interstellaire IRAS 05437 + 2502<\/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":9587,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[84],"tags":[132,2565,2564,544],"class_list":["post-9586","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ciel-etoile","tag-constellation-du-taureau","tag-infrared-astronomical-satellite","tag-iras-05437-2502","tag-telescope-spatial-hubble"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>L&#039;\u00e9nigmatique nuage interstellaire IRAS 05437 + 2502<\/title>\n<meta name=\"description\" content=\"D\u00e9couvert en 1983 par un satellite astronomique infrarouge, IRAS 05437 + 2502 est un curieux nuage de poussi\u00e8re situ\u00e9 dans la constellation du Taureau.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2018\/11\/21\/lenigmatique-nuage-interstellaire-iras-05437-2502\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"L&#039;\u00e9nigmatique nuage interstellaire IRAS 05437 + 2502\" \/>\n<meta property=\"og:description\" content=\"D\u00e9couvert en 1983 par un satellite astronomique infrarouge, IRAS 05437 + 2502 est un curieux nuage de poussi\u00e8re situ\u00e9 dans la constellation du Taureau.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2018\/11\/21\/lenigmatique-nuage-interstellaire-iras-05437-2502\/\" \/>\n<meta property=\"og:site_name\" content=\"CIELMANIA : le blog de Jean-Baptiste FELDMANN, photographe du ciel\" \/>\n<meta property=\"article:published_time\" content=\"2018-11-21T14:27:12+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2018-12-02T08:12:16+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2018\/09\/iras.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1450\" \/>\n\t<meta property=\"og:image:height\" content=\"901\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Jean-Baptiste FELDMANN\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Jean-Baptiste FELDMANN\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/2018\/11\/21\/lenigmatique-nuage-interstellaire-iras-05437-2502\/\",\"url\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/2018\/11\/21\/lenigmatique-nuage-interstellaire-iras-05437-2502\/\",\"name\":\"L'\u00e9nigmatique nuage interstellaire IRAS 05437 + 2502\",\"isPartOf\":{\"@id\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/2018\/11\/21\/lenigmatique-nuage-interstellaire-iras-05437-2502\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/2018\/11\/21\/lenigmatique-nuage-interstellaire-iras-05437-2502\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2018\/09\/iras.jpg\",\"datePublished\":\"2018-11-21T14:27:12+00:00\",\"dateModified\":\"2018-12-02T08:12:16+00:00\",\"author\":{\"@id\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/#\/schema\/person\/62b391b709c307783237b759b62731ea\"},\"description\":\"D\u00e9couvert en 1983 par un satellite astronomique infrarouge, IRAS 05437 + 2502 est un curieux nuage de poussi\u00e8re situ\u00e9 dans la constellation du Taureau.\",\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/blogs.futura-sciences.com\/feldmann\/2018\/11\/21\/lenigmatique-nuage-interstellaire-iras-05437-2502\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/2018\/11\/21\/lenigmatique-nuage-interstellaire-iras-05437-2502\/#primaryimage\",\"url\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2018\/09\/iras.jpg\",\"contentUrl\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2018\/09\/iras.jpg\",\"width\":1450,\"height\":901},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/#website\",\"url\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/\",\"name\":\"CIELMANIA : le blog de Jean-Baptiste FELDMANN, photographe du ciel\",\"description\":\"&quot;J&#039;ai en moi un besoin terrible. Dirais-je le mot? La religion. Alors, je sors la nuit et je peins des \u00e9toiles.&quot;  Vincent van Gogh\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/#\/schema\/person\/62b391b709c307783237b759b62731ea\",\"name\":\"Jean-Baptiste FELDMANN\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/41f96607fde7a81a14570eec74177c42?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/41f96607fde7a81a14570eec74177c42?s=96&d=mm&r=g\",\"caption\":\"Jean-Baptiste FELDMANN\"},\"url\":\"https:\/\/blogs.futura-sciences.com\/feldmann\/author\/jbfe\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"L'\u00e9nigmatique nuage interstellaire IRAS 05437 + 2502","description":"D\u00e9couvert en 1983 par un satellite astronomique infrarouge, IRAS 05437 + 2502 est un curieux nuage de poussi\u00e8re situ\u00e9 dans la constellation du Taureau.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/blogs.futura-sciences.com\/feldmann\/2018\/11\/21\/lenigmatique-nuage-interstellaire-iras-05437-2502\/","og_locale":"fr_FR","og_type":"article","og_title":"L'\u00e9nigmatique nuage interstellaire IRAS 05437 + 2502","og_description":"D\u00e9couvert en 1983 par un satellite astronomique infrarouge, IRAS 05437 + 2502 est un curieux nuage de poussi\u00e8re situ\u00e9 dans la constellation du Taureau.","og_url":"https:\/\/blogs.futura-sciences.com\/feldmann\/2018\/11\/21\/lenigmatique-nuage-interstellaire-iras-05437-2502\/","og_site_name":"CIELMANIA : le blog de Jean-Baptiste FELDMANN, photographe du ciel","article_published_time":"2018-11-21T14:27:12+00:00","article_modified_time":"2018-12-02T08:12:16+00:00","og_image":[{"width":1450,"height":901,"url":"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2018\/09\/iras.jpg","type":"image\/jpeg"}],"author":"Jean-Baptiste FELDMANN","twitter_card":"summary_large_image","twitter_misc":{"\u00c9crit par":"Jean-Baptiste FELDMANN","Dur\u00e9e de lecture estim\u00e9e":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/blogs.futura-sciences.com\/feldmann\/2018\/11\/21\/lenigmatique-nuage-interstellaire-iras-05437-2502\/","url":"https:\/\/blogs.futura-sciences.com\/feldmann\/2018\/11\/21\/lenigmatique-nuage-interstellaire-iras-05437-2502\/","name":"L'\u00e9nigmatique nuage interstellaire IRAS 05437 + 2502","isPartOf":{"@id":"https:\/\/blogs.futura-sciences.com\/feldmann\/#website"},"primaryImageOfPage":{"@id":"https:\/\/blogs.futura-sciences.com\/feldmann\/2018\/11\/21\/lenigmatique-nuage-interstellaire-iras-05437-2502\/#primaryimage"},"image":{"@id":"https:\/\/blogs.futura-sciences.com\/feldmann\/2018\/11\/21\/lenigmatique-nuage-interstellaire-iras-05437-2502\/#primaryimage"},"thumbnailUrl":"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2018\/09\/iras.jpg","datePublished":"2018-11-21T14:27:12+00:00","dateModified":"2018-12-02T08:12:16+00:00","author":{"@id":"https:\/\/blogs.futura-sciences.com\/feldmann\/#\/schema\/person\/62b391b709c307783237b759b62731ea"},"description":"D\u00e9couvert en 1983 par un satellite astronomique infrarouge, IRAS 05437 + 2502 est un curieux nuage de poussi\u00e8re situ\u00e9 dans la constellation du Taureau.","inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/blogs.futura-sciences.com\/feldmann\/2018\/11\/21\/lenigmatique-nuage-interstellaire-iras-05437-2502\/"]}]},{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/blogs.futura-sciences.com\/feldmann\/2018\/11\/21\/lenigmatique-nuage-interstellaire-iras-05437-2502\/#primaryimage","url":"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2018\/09\/iras.jpg","contentUrl":"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2018\/09\/iras.jpg","width":1450,"height":901},{"@type":"WebSite","@id":"https:\/\/blogs.futura-sciences.com\/feldmann\/#website","url":"https:\/\/blogs.futura-sciences.com\/feldmann\/","name":"CIELMANIA : le blog de Jean-Baptiste FELDMANN, photographe du ciel","description":"&quot;J&#039;ai en moi un besoin terrible. Dirais-je le mot? La religion. Alors, je sors la nuit et je peins des \u00e9toiles.&quot;  Vincent van Gogh","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/blogs.futura-sciences.com\/feldmann\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"fr-FR"},{"@type":"Person","@id":"https:\/\/blogs.futura-sciences.com\/feldmann\/#\/schema\/person\/62b391b709c307783237b759b62731ea","name":"Jean-Baptiste FELDMANN","image":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/blogs.futura-sciences.com\/feldmann\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/41f96607fde7a81a14570eec74177c42?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/41f96607fde7a81a14570eec74177c42?s=96&d=mm&r=g","caption":"Jean-Baptiste FELDMANN"},"url":"https:\/\/blogs.futura-sciences.com\/feldmann\/author\/jbfe\/"}]}},"_links":{"self":[{"href":"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-json\/wp\/v2\/posts\/9586","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-json\/wp\/v2\/comments?post=9586"}],"version-history":[{"count":5,"href":"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-json\/wp\/v2\/posts\/9586\/revisions"}],"predecessor-version":[{"id":9592,"href":"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-json\/wp\/v2\/posts\/9586\/revisions\/9592"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-json\/wp\/v2\/media\/9587"}],"wp:attachment":[{"href":"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-json\/wp\/v2\/media?parent=9586"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-json\/wp\/v2\/categories?post=9586"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-json\/wp\/v2\/tags?post=9586"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}