{"id":2819,"date":"2026-05-28T19:23:08","date_gmt":"2026-05-28T17:23:08","guid":{"rendered":"http:\/\/localhost\/messier\/m105"},"modified":"2026-06-16T12:04:00","modified_gmt":"2026-06-16T10:04:00","slug":"m105-2","status":"publish","type":"messier_object","link":"https:\/\/voyage-astrophoto.fr\/index.php\/messier\/m105-2\/","title":{"rendered":"M105 &#8211; Galaxie elliptique M105"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">M105 fut d\u00e9couverte par Pierre M\u00e9chain le 24 mars 1781, elle n&rsquo;a pas \u00e9t\u00e9 ajout\u00e9e au catalogue de Messier \u00e0 l&rsquo;\u00e9poque. Elle y fut ajout\u00e9e par l&rsquo;astronome am\u00e9ricano-canadienne Helen Sawyer Hogg en 1947.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cette galaxie elliptique (type E1) est le membre le plus brillant du Groupe de M96. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Elle est situ\u00e9e \u00e0 environ 32,1 millions d&rsquo;ann\u00e9es-lumi\u00e8re. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M105 poss\u00e8de un disque de gaz mol\u00e9culaire et froid detect\u00e9 dans les ann\u00e9es 1990, sugg\u00e9rant une formation stellaire active malgr\u00e9 son type elliptique. Elle a \u00e9galement un trou noir supermassif central d&rsquo;environ 200 millions de masses solaires, l&rsquo;un des plus massifs connus dans les galaxies voisines. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L&rsquo;amas globulaire qui l&rsquo;accompagne est \u00e9galement notable.  <\/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-2819","messier_object","type-messier_object","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/voyage-astrophoto.fr\/index.php\/wp-json\/wp\/v2\/messier_object\/2819","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=2819"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}