{"id":2763,"date":"2026-05-28T19:23:08","date_gmt":"2026-05-28T17:23:08","guid":{"rendered":"http:\/\/localhost\/messier\/m49"},"modified":"2026-06-04T17:34:44","modified_gmt":"2026-06-04T15:34:44","slug":"m49-2","status":"publish","type":"messier_object","link":"https:\/\/voyage-astrophoto.fr\/index.php\/messier\/m49-2\/","title":{"rendered":"M49 &#8211; Galaxie M49"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">M49 fut d\u00e9couverte par Charles Messier le 19 f\u00e9vrier 1771 et catalogu\u00e9e comme la premi\u00e8re galaxie de son catalogue. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Elle est le membre le plus brillant de l&rsquo;Amas de la Vierge, un immense amas de galaxies situ\u00e9 \u00e0 environ 53 millions d&rsquo;ann\u00e9es-lumi\u00e8re. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M49 est une grande galaxie elliptique (type E2) contenant plus de 100 milliards d&rsquo;\u00e9toiles et s&rsquo;\u00e9tendant sur environ 160 000 ann\u00e9es-lumi\u00e8re. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Elle poss\u00e8de un noyau actif (type LINER) et montre des signes d&rsquo;interaction pass\u00e9e avec d&rsquo;autres galaxies, comme en t\u00e9moignent ses queues de mar\u00e9e et ses courants stellaires. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Elle fut la premi\u00e8re galaxie (apr\u00e8s M31) dont on reconnut la nature extragalactique. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Sources: SEDS Messier Database, Wikipedia, NASA.<\/em><\/p>\n","protected":false},"featured_media":0,"template":"","meta":[],"class_list":["post-2763","messier_object","type-messier_object","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/voyage-astrophoto.fr\/index.php\/wp-json\/wp\/v2\/messier_object\/2763","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/voyage-astrophoto.fr\/index.php\/wp-json\/wp\/v2\/messier_object"}],"about":[{"href":"https:\/\/voyage-astrophoto.fr\/index.php\/wp-json\/wp\/v2\/types\/messier_object"}],"wp:attachment":[{"href":"https:\/\/voyage-astrophoto.fr\/index.php\/wp-json\/wp\/v2\/media?parent=2763"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}