{"id":3575,"date":"2026-01-08T08:50:49","date_gmt":"2026-01-08T07:50:49","guid":{"rendered":"https:\/\/stel.asu.cas.cz\/cs\/?p=3575"},"modified":"2026-01-08T08:50:49","modified_gmt":"2026-01-08T07:50:49","slug":"jak-zmena-modelu-hvezdnych-vetru-prepisuje-pribeh-hvezd-u-sagittarius-a","status":"publish","type":"post","link":"https:\/\/stel.asu.cas.cz\/cs\/2026\/01\/08\/jak-zmena-modelu-hvezdnych-vetru-prepisuje-pribeh-hvezd-u-sagittarius-a\/","title":{"rendered":"Jak zm\u011bna model\u016f hv\u011bzdn\u00fdch v\u011btr\u016f p\u0159episuje p\u0159\u00edb\u011bh hv\u011bzd u Sagittarius A*"},"content":{"rendered":"\n<p>V srdci na\u0161\u00ed Galaxie se nach\u00e1z\u00ed extr\u00e9mn\u011b hust\u00e1 koncentrace hmotn\u00fdch hv\u011bzd pobl\u00ed\u017e supermasivn\u00ed \u010dern\u00e9 d\u00edry Sagittarius A*. Tyto hv\u011bzdy \u2014 ob\u0159\u00ed a kr\u00e1tkov\u011bk\u00e9 \u2014 maj\u00ed rozhoduj\u00edc\u00ed vliv na okoln\u00ed prost\u0159ed\u00ed i na to, jak \u010dern\u00e1 d\u00edra akumuluje hmotu. Nov\u00e1 pr\u00e1ce, v n\u00ed\u017e d\u016fle\u017eitou roli sehr\u00e1li odborn\u00edci z ASU &#8211; hlavn\u00edm autorem je Dr. Alex C. Gormaz-Matamala ze Stel\u00e1rn\u00edho odd\u011blen\u00ed &#8211; p\u0159edstavuje nejnov\u011bj\u0161\u00ed modely v\u00fdvoje t\u011bchto masivn\u00edch hv\u011bzd zalo\u017een\u00e9 na modernizovan\u00fdch p\u0159edpisech ztr\u00e1t hmoty. Ukazuje se, \u017ee doposud b\u011b\u017en\u011b pou\u017e\u00edvan\u00e9 modely mohly v\u00fdznamn\u011b nadhodnocovat ztr\u00e1tu hmoty v\u00a0ran\u00fdch f\u00e1z\u00edch hv\u011bzdn\u00e9ho v\u00fdvoje. Pr\u00e1ce tak nab\u00edz\u00ed aktualizovan\u00fd pohled na interpretaci pozorovan\u00fdch populac\u00ed hv\u011bzd v centru na\u0161\u00ed Galaxie.<\/p>\n\n\n\n<p>Pokra\u010dov\u00e1n\u00ed: <a href=\"https:\/\/www.asu.cas.cz\/articles\/2516\/19\/na-cem-pracujeme-jak-zmena-modelu-hvezdnych-vetru-prepisuje-pribeh-hvezd-u-sagittarius-a\" data-type=\"link\" data-id=\"https:\/\/www.asu.cas.cz\/articles\/2516\/19\/na-cem-pracujeme-jak-zmena-modelu-hvezdnych-vetru-prepisuje-pribeh-hvezd-u-sagittarius-a\" target=\"_blank\" rel=\"noreferrer noopener\">web ASU<\/a><\/p>\n\n\n\n<p>Popis obr\u00e1zku: <em>Sn\u00edmek jadern\u00e9 hv\u011bzdokupy p\u0159\u00edstrojem NaCo na Velmi velk\u00e9m dalekohledu v \u010cile. Krom\u011b jasn\u00fdch hork\u00fdch hv\u011bzd jsou patrn\u00e9 i pracho-plynn\u00e9 struktury, kter\u00e9 dopl\u0148uj\u00ed slo\u017eit\u00e9 prost\u0159ed\u00ed v centru na\u0161\u00ed Galaxie. \u00a9 ESO<\/em><\/p>\n\n\n\n<p><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Dal\u0161\u00ed informace<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>P\u0159evzato: <a href=\"https:\/\/www.asu.cas.cz\/articles\/2516\/19\/na-cem-pracujeme-jak-zmena-modelu-hvezdnych-vetru-prepisuje-pribeh-hvezd-u-sagittarius-a\" target=\"_blank\" rel=\"noreferrer noopener\">Na \u010dem pracujeme: Jak zm\u011bna model\u016f hv\u011bzdn\u00fdch v\u011btr\u016f p\u0159episuje p\u0159\u00edb\u011bh hv\u011bzd u\u00a0Sagittarius A*<\/a> (M. \u0160vanda, ASU)<\/li>\n\n\n\n<li>V\u011bdeck\u00fd \u010dl\u00e1nek: A. C. Gormaz-Matamala a\u00a0kol., <em>Revisiting the Evolutionary Status of Massive Stars at the central parsec of the Milky Way<\/em>, <a href=\"https:\/\/ui.adsabs.harvard.edu\/abs\/2025arXiv251207432G\/abstract\" target=\"_blank\" rel=\"noreferrer noopener\">Astronomy &amp; Astrophysics v\u00a0tisku, preprint arXiv:2512.07432<\/a><\/li>\n\n\n\n<li>Kontakt:\u00a0Dr. Alex C. Gormaz-Matamala, alex.gormaz@asu.cas.cz<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>V srdci na\u0161\u00ed Galaxie se nach\u00e1z\u00ed extr\u00e9mn\u011b hust\u00e1 koncentrace hmotn\u00fdch hv\u011bzd pobl\u00ed\u017e supermasivn\u00ed \u010dern\u00e9 d\u00edry Sagittarius A*. Tyto hv\u011bzdy \u2014 ob\u0159\u00ed a kr\u00e1tkov\u011bk\u00e9 \u2014 maj\u00ed<\/p>\n","protected":false},"author":1,"featured_media":3577,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[37,32],"tags":[],"class_list":["post-3575","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-horke-hvezdy","category-novinky"],"_links":{"self":[{"href":"https:\/\/stel.asu.cas.cz\/cs\/wp-json\/wp\/v2\/posts\/3575","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/stel.asu.cas.cz\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/stel.asu.cas.cz\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/stel.asu.cas.cz\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/stel.asu.cas.cz\/cs\/wp-json\/wp\/v2\/comments?post=3575"}],"version-history":[{"count":3,"href":"https:\/\/stel.asu.cas.cz\/cs\/wp-json\/wp\/v2\/posts\/3575\/revisions"}],"predecessor-version":[{"id":3579,"href":"https:\/\/stel.asu.cas.cz\/cs\/wp-json\/wp\/v2\/posts\/3575\/revisions\/3579"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/stel.asu.cas.cz\/cs\/wp-json\/wp\/v2\/media\/3577"}],"wp:attachment":[{"href":"https:\/\/stel.asu.cas.cz\/cs\/wp-json\/wp\/v2\/media?parent=3575"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/stel.asu.cas.cz\/cs\/wp-json\/wp\/v2\/categories?post=3575"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/stel.asu.cas.cz\/cs\/wp-json\/wp\/v2\/tags?post=3575"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}