{"id":2726,"date":"2026-05-28T19:23:08","date_gmt":"2026-05-28T17:23:08","guid":{"rendered":"http:\/\/localhost\/messier\/m12"},"modified":"2026-06-04T11:14:05","modified_gmt":"2026-06-04T09:14:05","slug":"m12-2","status":"publish","type":"messier_object","link":"https:\/\/voyage-astrophoto.fr\/index.php\/messier\/m12-2\/","title":{"rendered":"M12 &#8211; Amas Globulaire M12"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">M12 fut d\u00e9couvert par Charles Messier le 3 mai 1764, le m\u00eame jour que M10 et M9. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cet amas globulaire est situ\u00e9 \u00e0 environ 15 600 ann\u00e9es-lumi\u00e8re de la Terre et s&rsquo;\u00e9tend sur un diam\u00e8tre d&rsquo;environ 75 ann\u00e9es-lumi\u00e8re. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M12 est classifi\u00e9 comme un amas globulaire de classe IX selon la classification de Shapley-Sawyer, ce qui signifie qu&rsquo;il poss\u00e8de une concentration stellaire relativement faible vers son centre. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Des \u00e9tudes r\u00e9centes ont r\u00e9v\u00e9l\u00e9 que M12 contient peu d&rsquo;\u00e9toiles de type naines rouges faiblement li\u00e9es, sugg\u00e9rant qu&rsquo;elles ont \u00e9t\u00e9 arrach\u00e9es par les effets de mar\u00e9e de la Voie lact\u00e9e. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Il est observable dans des instruments de 100 mm d&rsquo;ouverture comme une tache floue l\u00e9g\u00e8rement granuleuse. <\/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-2726","messier_object","type-messier_object","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/voyage-astrophoto.fr\/index.php\/wp-json\/wp\/v2\/messier_object\/2726","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=2726"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}