{"id":2733,"date":"2026-05-28T19:23:08","date_gmt":"2026-05-28T17:23:08","guid":{"rendered":"http:\/\/localhost\/messier\/m19"},"modified":"2026-06-04T12:02:19","modified_gmt":"2026-06-04T10:02:19","slug":"m19-2","status":"publish","type":"messier_object","link":"https:\/\/voyage-astrophoto.fr\/index.php\/messier\/m19-2\/","title":{"rendered":"M19 &#8211; Amas Globulaire M19"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">M19 fut d\u00e9couvert par Charles Messier le 3 mai 1764. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cet amas globulaire est situ\u00e9 \u00e0 une distance d&rsquo;environ 27 300 ann\u00e9es-lumi\u00e8re et pr\u00e9sente une ellipticit\u00e9 remarquablement \u00e9lev\u00e9e pour un amas globulaire, avec un rapport d&rsquo;axes d&rsquo;environ 0,7. Cette forme allong\u00e9e est probablement due aux effets de mar\u00e9e gravitationnelle exerc\u00e9s par le centre galactique, \u00e0 seulement 5 200 ann\u00e9es-lumi\u00e8re de l\u00e0 dans la m\u00eame direction. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M19 est l&rsquo;un des amas globulaires les plus rapproch\u00e9s du centre de la Voie lact\u00e9e. Il contient environ 1 100 \u00e9toiles variables catalogu\u00e9es et montre des signs d&rsquo;\u00e9volution dynamique avanc\u00e9e. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L&rsquo;amas peut \u00eatre resolu en \u00e9toiles individuelles dans des t\u00e9lescopes d&rsquo;au moins 150 mm d&rsquo;ouverture. <\/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-2733","messier_object","type-messier_object","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/voyage-astrophoto.fr\/index.php\/wp-json\/wp\/v2\/messier_object\/2733","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=2733"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}