{"id":15345,"date":"2017-06-06T20:00:15","date_gmt":"2017-06-06T18:00:15","guid":{"rendered":"http:\/\/www.laterredufutur.com\/accueil\/?p=15345"},"modified":"2017-05-30T10:34:06","modified_gmt":"2017-05-30T08:34:06","slug":"la-mysterieuse-etoile-disparue-est-en-fait-devenue-un-trou-noir","status":"publish","type":"post","link":"https:\/\/www.laterredufutur.com\/accueil\/la-mysterieuse-etoile-disparue-est-en-fait-devenue-un-trou-noir\/","title":{"rendered":"La myst\u00e9rieuse \u00e9toile disparue est en fait devenue un trou noir"},"content":{"rendered":"<div class=\"1665f18d14f35dd9e7566e1a8ac9a3e9\" data-index=\"1\" style=\"float: none; margin:10px 0 10px 0; text-align:center;\">\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block; text-align:center;\"\r\n     data-ad-layout=\"in-article\"\r\n     data-ad-format=\"fluid\"\r\n     data-ad-client=\"ca-pub-2860849627502538\"\r\n     data-ad-slot=\"3019501113\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\n<\/div>\n<p>Une \u00e9toile qui disparait du jour au lendemain de la vo\u00fbte c\u00e9leste cela interpelle forc\u00e9ment les scientifiques, ces derniers ont d\u00e9couvert que l&rsquo;\u00e9toile n&rsquo;avait pas vraiment disparue, mais s&rsquo;\u00e9tait transform\u00e9e en trou noir, sans passer par l&rsquo;\u00e9tape de la Supernovae.<\/p>\n<p>Un \u00e9v\u00e8nement astronomique unique a sans doute \u00e9t\u00e9 capt\u00e9 par deux t\u00e9lescopes et si les donn\u00e9es se v\u00e9rifient lors de futurs relev\u00e9s, l\u2019humanit\u00e9 a peut-\u00eatre assist\u00e9 \u00e0 la naissance d\u2019un trou noir dans des conditions pour le moins insolites, qui laissent toute la communaut\u00e9 scientifique perplexe.<\/p>\n<p>Une \u00e9toile disparait sans explication du jour au lendemain<br \/>\nTout a commenc\u00e9 en 2015 lorsque les chercheurs ont compar\u00e9 les clich\u00e9s de deux t\u00e9lescopes (Hubble et Spitzer). Entre les deux clich\u00e9s, en 2007, on remarque la pr\u00e9sence de l\u2019\u00e9toile N6946-BH1 situ\u00e9e \u00e0 22 millions d\u2019ann\u00e9es-lumi\u00e8re de la Terre, en revanche en 2015, l\u2019\u00e9toile pourtant 25 plus grosse que le soleil a totalement disparu.<\/p>\n<p><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"15346\" data-permalink=\"https:\/\/www.laterredufutur.com\/accueil\/la-mysterieuse-etoile-disparue-est-en-fait-devenue-un-trou-noir\/etoile-disparue\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/05\/etoile-disparue.jpg?fit=279%2C181&amp;ssl=1\" data-orig-size=\"279,181\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"etoile-disparue\" data-image-description=\"\" data-image-caption=\"\" data-medium-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/05\/etoile-disparue.jpg?fit=279%2C181&amp;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/05\/etoile-disparue.jpg?fit=279%2C181&amp;ssl=1\" class=\"wp-image-15346 aligncenter\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/05\/etoile-disparue.jpg?resize=542%2C352\" alt=\"\" width=\"542\" height=\"352\"\/><\/p>\n<p>Une vraie \u00e9nigme pour les scientifiques car jusqu\u2019\u00e0 pr\u00e9sent le mod\u00e8le standard de l\u2019\u00e9volution d\u2019une \u00e9toile voulait qu\u2019apr\u00e8s qu\u2019une \u00e9toile se convertisse en g\u00e9ante rouge, cette derni\u00e8re se contracte \u00e0 nouveau sur elle-m\u00eame pour se transformer en naine blanche, puis finit par exploser dans une puissante supernov\u00e6. En fonction de la masse de l\u2019\u00e9toile, certaines peuvent ensuite se convertir en trou noir et tout absorber autour de leur champ gravitationnel.<\/p><div class=\"1665f18d14f35dd9e7566e1a8ac9a3e9\" data-index=\"2\" style=\"float: none; margin:10px 0 10px 0; text-align:center;\">\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block; text-align:center;\"\r\n     data-ad-layout=\"in-article\"\r\n     data-ad-format=\"fluid\"\r\n     data-ad-client=\"ca-pub-2860849627502538\"\r\n     data-ad-slot=\"3019501113\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\n<\/div>\n\n<p>La partie surprenante avec l\u2019\u00e9toile N6946-BH1, c\u2019est que l\u2019\u00e9tape de la supernov\u00e6 n\u2019a pas eu lieu, l\u2019\u00e9toile s\u2019est effondr\u00e9e sur elle-m\u00eame. Le Pr d\u2019astronomie Christophe Kochanek a expliqu\u00e9 : \u00ab L\u2019id\u00e9e g\u00e9n\u00e9rale est qu\u2019une \u00e9toile ne peut former un trou noir qu\u2019apr\u00e8s avoir provoqu\u00e9 une supernova. Si une \u00e9toile pouvait dispara\u00eetre sans supernova et quand m\u00eame cr\u00e9er un trou noir, cela permettrait d\u2019expliquer pourquoi nous ne voyons pas de supernovas chez les plus grosses \u00e9toiles \u00bb.<\/p>\n<p>Un nouveau cas de figure pour la mort d\u2019une \u00e9toile : l\u2019\u00e9chec massif<br \/>\nLe scientifique estime qu\u2019entre 10 et 30% des \u00e9toiles pourraient finir leur existence ainsi, il s\u2019agit d\u2019un nouvel \u00e9tat qui a \u00e9t\u00e9 baptis\u00e9 : \u00ab \u00e9chec massif \u00bb. L\u2019\u00e9toile ne produit plus suffisamment de chaleur pour surmonter sa propre compression gravitationnelle, s\u2019effondre, mais n\u2019entraine pas pour autant son explosion, mais plut\u00f4t une sorte de \u00ab g\u00e9missement \u00bb, puis une disparition. Des relev\u00e9s avaient bien remarqu\u00e9 une l\u00e9g\u00e8re variation de luminosit\u00e9 de l\u2019\u00e9toile peu avant cet \u00e9v\u00e8nement.<\/p>\n<p>Un t\u00e9lescope spatial devra pointer en direction de cette \u00e9toile effondr\u00e9e, afin de collecter des donn\u00e9es sur les rayons X \u00e9mis, afin de confirmer s\u2019il s\u2019agit bien d\u2019un trou noir.<\/p>\n<p>source :&nbsp;<a href=\"http:\/\/www.begeek.fr\/mysterieuse-etoile-disparue-devenue-trou-noir-240865\" target=\"_blank\" rel=\"noopener noreferrer\">http:\/\/www.begeek.fr\/<\/a><\/p>\n<p class=\"bawpvc-ajax-counter\" data-id=\"15345\">(432)<\/p>\n<!--CusAds0-->\n<div style=\"font-size: 0px; height: 0px; line-height: 0px; margin: 0; padding: 0; clear: both;\"><\/div>","protected":false},"excerpt":{"rendered":"<p>Une \u00e9toile qui disparait du jour au lendemain de la vo\u00fbte c\u00e9leste cela interpelle forc\u00e9ment les scientifiques, ces derniers ont&#8230;<\/p>\n","protected":false},"author":1,"featured_media":9247,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"ngg_post_thumbnail":0,"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"La myst\u00e9rieuse \u00e9toile disparue est en fait devenue un trou noir @laterredufutur","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[22],"tags":[2360,117,670,125,3197],"class_list":["post-15345","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-espace","tag-disparue","tag-espace","tag-etoile","tag-galaxie","tag-trou-noir","wpcat-22-id"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/11\/trounoir_interstellar.jpg?fit=1090%2C500&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p631RN-3Zv","jetpack-related-posts":[{"id":9246,"url":"https:\/\/www.laterredufutur.com\/accueil\/pour-la-premiere-fois-la-nasa-a-observe-quelque-chose-sortir-dun-trou-noir\/","url_meta":{"origin":15345,"position":0},"title":"Pour la premi\u00e8re fois, la Nasa a observ\u00e9 quelque chose sortir d&rsquo;un trou noir","author":"Admin","date":"11 novembre 2015","format":false,"excerpt":"Si il y a bien une chose qu\u2019Interstellar retranscrit correctement \u00e0 propos des trous noirs, c\u2019est que personne ne comprend vraiment ce qu\u2019il en est. Plus s\u00e9rieusement, nous ne comprenons pas toute la physique associ\u00e9e \u00e0 ces objets massifs. Nous ne les comprenons pas enti\u00e8rement et nous ne savons pas\u2026","rel":"","context":"Dans &quot;Espace&quot;","block_context":{"text":"Espace","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/espace\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/11\/trounoir_interstellar.jpg?fit=1090%2C500&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/11\/trounoir_interstellar.jpg?fit=1090%2C500&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/11\/trounoir_interstellar.jpg?fit=1090%2C500&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/11\/trounoir_interstellar.jpg?fit=1090%2C500&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/11\/trounoir_interstellar.jpg?fit=1090%2C500&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":19782,"url":"https:\/\/www.laterredufutur.com\/accueil\/et-si-la-planete-9-etait-un-trou-noir\/","url_meta":{"origin":15345,"position":1},"title":"Et si la plan\u00e8te 9 \u00e9tait un trou noir ?","author":"Admin","date":"10 novembre 2019","format":false,"excerpt":"Selon des chercheurs, la potentielle neuvi\u00e8me plan\u00e8te, qui se situerait aux confins de notre Syst\u00e8me solaire, pourrait \u00eatre un trou noir primordial. Dans la ceinture de Kuiper, \u00e0 la limite de notre Syst\u00e8me solaire, un objet inconnu d\u00e9vie les trajectoires de corps c\u00e9lestes gel\u00e9s, compos\u00e9s d\u2019eau ou de m\u00e9thane, qui\u2026","rel":"","context":"Dans &quot;Espace&quot;","block_context":{"text":"Espace","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/espace\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/10\/trou-noir-planete9.png?fit=1105%2C771&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/10\/trou-noir-planete9.png?fit=1105%2C771&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/10\/trou-noir-planete9.png?fit=1105%2C771&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/10\/trou-noir-planete9.png?fit=1105%2C771&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/10\/trou-noir-planete9.png?fit=1105%2C771&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":18944,"url":"https:\/\/www.laterredufutur.com\/accueil\/cest-officiel-les-astronomes-viennent-de-devoiler-la-toute-premiere-image-dun-trou-noir\/","url_meta":{"origin":15345,"position":2},"title":"C&rsquo;est officiel: les astronomes viennent de d\u00e9voiler la toute premi\u00e8re image d&rsquo;un trou noir","author":"Admin","date":"10 avril 2019","format":false,"excerpt":"Regardez cette photo. Arr\u00eatez vous un instant dessus et observez l\u00e0. Ce que vous regardez, c'est l'histoire. C\u2019est la toute premi\u00e8re image directe, \u00e0 ce jour, de l\u2019horizon des \u00e9v\u00e9nements d\u2019un trou noir ! Il se trouve \u00e0 55 millions d'ann\u00e9es-lumi\u00e8re, et c'est le trou noir supermassif au centre d'une\u2026","rel":"","context":"Dans &quot;Espace&quot;","block_context":{"text":"Espace","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/espace\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/04\/trou-noir-10avril2019.jpg?fit=1024%2C415&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/04\/trou-noir-10avril2019.jpg?fit=1024%2C415&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/04\/trou-noir-10avril2019.jpg?fit=1024%2C415&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/04\/trou-noir-10avril2019.jpg?fit=1024%2C415&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":2691,"url":"https:\/\/www.laterredufutur.com\/accueil\/quand-hubble-laisse-sa-place\/","url_meta":{"origin":15345,"position":3},"title":"Quand Hubble laisse sa place","author":"Admin","date":"9 f\u00e9vrier 2005","format":false,"excerpt":"Devant la fin annonc\u00e9e du T\u00e9l\u00e9scope Hubble, et au del\u00e0 du budget consid\u00e9rable qu'il faudrait pour le maintenir (plus d'un milliard de$), nous allons voir que le prochain t\u00e9lescope est beaucoup plus ambitieux, voyez ici... Le t\u00e9lescope spatial Hubble (HST) est le plus grand t\u00e9lescope optique jamais mis sur orbite.\u2026","rel":"","context":"Dans &quot;Espace&quot;","block_context":{"text":"Espace","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/espace\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":11334,"url":"https:\/\/www.laterredufutur.com\/accueil\/les-astronomes-ont-decouvert-le-plus-grand-et-le-plus-eloigne-reservoir-deau-jamais-detecte-dans-lunivers\/","url_meta":{"origin":15345,"position":4},"title":"Les astronomes ont d\u00e9couvert le plus grand et le plus \u00e9loign\u00e9 r\u00e9servoir d\u2019eau jamais d\u00e9tect\u00e9 dans l\u2019Univers","author":"Admin","date":"16 mars 2016","format":false,"excerpt":"Les scientifiques ont r\u00e9ussi \u00e0 d\u00e9tecter dans l'espace lointain un immense r\u00e9servoir d\u2019eau autour du quasar APM 08279+5255, rapportent les Astrophysical Journal Letters (ApJL). \u200bLa quantit\u00e9 d'eau contenue dans ce r\u00e9servoir est 140.000 milliards de fois plus \u00e9lev\u00e9\u0435 que les volumes d'eau de tous les oc\u00e9ans de la plan\u00e8te Terre.\u2026","rel":"","context":"Dans &quot;Espace&quot;","block_context":{"text":"Espace","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/espace\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/03\/quasarAPM-082795255.jpg?fit=1200%2C900&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/03\/quasarAPM-082795255.jpg?fit=1200%2C900&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/03\/quasarAPM-082795255.jpg?fit=1200%2C900&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/03\/quasarAPM-082795255.jpg?fit=1200%2C900&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/03\/quasarAPM-082795255.jpg?fit=1200%2C900&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":10660,"url":"https:\/\/www.laterredufutur.com\/accueil\/la-science-et-la-technologie-sont-les-plus-grandes-menaces-pour-lhumanite-selon-stephen-hawking\/","url_meta":{"origin":15345,"position":5},"title":"La science et la technologie sont les plus grandes menaces pour l&rsquo;humanit\u00e9, selon Stephen Hawking","author":"Admin","date":"19 janvier 2016","format":false,"excerpt":"Le c\u00e9l\u00e8bre cosmologiste et physicien britannique a expliqu\u00e9, en marge d\u2019une conf\u00e9rence pour la BBC, que le genre humain \u00e9tait en passe de devoir affronter ses moments les plus difficiles, alors que les progr\u00e8s g\u00e9n\u00e8rent des dangers existentiels. D\u2019apr\u00e8s Stephen Hawking, il est presque certain qu\u2019une catastrophe frappera la plan\u00e8te\u2026","rel":"","context":"Dans &quot;Technologie et IA&quot;","block_context":{"text":"Technologie et IA","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/technologie\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/06\/stephen-hawkings.jpg?fit=879%2C476&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/06\/stephen-hawkings.jpg?fit=879%2C476&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/06\/stephen-hawkings.jpg?fit=879%2C476&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/06\/stephen-hawkings.jpg?fit=879%2C476&ssl=1&resize=700%2C400 2x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/15345","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/comments?post=15345"}],"version-history":[{"count":1,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/15345\/revisions"}],"predecessor-version":[{"id":15347,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/15345\/revisions\/15347"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media\/9247"}],"wp:attachment":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media?parent=15345"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/categories?post=15345"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/tags?post=15345"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}