{"id":3105,"date":"2024-06-23T17:44:23","date_gmt":"2024-06-23T15:44:23","guid":{"rendered":"https:\/\/stel.asu.cas.cz\/cs\/?p=3105"},"modified":"2024-06-23T18:01:14","modified_gmt":"2024-06-23T16:01:14","slug":"zarovnany-exoplanetarni-system-hd-110067","status":"publish","type":"post","link":"https:\/\/stel.asu.cas.cz\/cs\/2024\/06\/23\/zarovnany-exoplanetarni-system-hd-110067\/","title":{"rendered":"Zarovnan\u00fd exoplanet\u00e1rn\u00ed syst\u00e9m HD 110067"},"content":{"rendered":"\n<p>Po\u010dty objeven\u00fdch extrasol\u00e1rn\u00edch planet ji\u017e d\u00e1vno p\u0159es\u00e1hly hodnotu p\u011bti tis\u00edc, v&nbsp;905 p\u0159\u00edpadech byly objeveny cel\u00e9 planet\u00e1rn\u00ed syst\u00e9my. Jen velmi mal\u00e9 mno\u017estv\u00ed z&nbsp;nich ale vykazuje koplan\u00e1rn\u00ed orbity a&nbsp;je\u0161t\u011b men\u0161\u00ed po\u010det pak orbity nejen v&nbsp;t\u00e9m\u011b\u0159 jedn\u00e9 rovin\u011b, ale nav\u00edc vz\u00e1jemn\u011b gravita\u010dn\u011b sv\u00e1zan\u00e9 tzv. rezonancemi. Syst\u00e9m HD 110067 je dost mo\u017en\u00e1 jedn\u00edm z&nbsp;nich. Prvotn\u00ed indik\u00e1tor p\u0159in\u00e1\u0161\u00ed pr\u00e1ce, jej\u00edm\u017e hlavn\u00edm autorem byl Ji\u0159\u00ed \u017d\u00e1k.&nbsp;&nbsp;<\/p>\n\n\n\n<p>Na\u0161e Slune\u010dn\u00ed soustava je mezi zn\u00e1m\u00fdmi planet\u00e1rn\u00edmi syst\u00e9my pon\u011bkud ojedin\u011bl\u00e1. Obsahuje osm velk\u00fdch planet, kter\u00e9 okolo Slunce ob\u00edhaj\u00ed po drah\u00e1ch, kter\u00e9 jsou v\u016f\u010di sob\u011b velmi m\u00e1lo sklon\u011bny. Tyto dr\u00e1hy jsou nav\u00edc t\u00e9m\u011b\u0159 kolm\u00e9 k&nbsp;rota\u010dn\u00ed ose Slunce. Slune\u010dn\u00ed soustava je tedy z&nbsp;hlediska planet\u00e1rn\u00edch ob\u011b\u017enic p\u011bkn\u011b zarovnan\u00e1, koplan\u00e1rn\u00ed. Takov\u00fdch syst\u00e9m\u016f nen\u00ed zn\u00e1mo mnoho. Dal\u0161\u00edm takov\u00fdm byl syst\u00e9m TRAPPIST-1 objeven\u00fd v&nbsp;roce 2016, kter\u00fd byl velmi \u0161iroce diskutov\u00e1n i&nbsp;v m\u00e9di\u00edch. Krom\u011b toho, \u017ee zde planety ob\u00edhaj\u00ed t\u00e9m\u011b\u0159 ve stejn\u00e9 rovin\u011b, je\u0161t\u011b nav\u00edc jsou jejich ob\u011b\u017en\u00e9 doby v&nbsp;pom\u011brech vyj\u00e1d\u0159iteln\u00fdch mal\u00fdmi cel\u00fdmi \u010d\u00edsly, tedy planety jsou v&nbsp;tzv. rezonanc\u00edch. Planety se vz\u00e1jemn\u011b gravita\u010dn\u011b synchronizuj\u00ed, co\u017e m\u016f\u017ee syst\u00e9m dlouhodob\u011b velmi \u00fa\u010dinn\u011b stabilizovat. Syst\u00e9my v&nbsp;rezonanci jsou mimo\u0159\u00e1dn\u011b zaj\u00edmav\u00e9, proto\u017ee p\u0159edstavuj\u00ed d\u016fle\u017eit\u00e9 kameny ve skl\u00e1da\u010dce proces\u016f formace a&nbsp;v\u00fdvoje planet\u00e1rn\u00edch syst\u00e9m\u016f.<\/p>\n\n\n\n<p>Dal\u0161\u00edm takov\u00fdm syst\u00e9mem je HD 110067, kde se nach\u00e1z\u00ed \u0161est mini-neptun\u016f na rezonan\u010dn\u00edch orbit\u00e1ln\u00edch drah\u00e1ch. Tyto planety se nach\u00e1zej\u00ed v&nbsp;tzv. rezonan\u010dn\u00edm \u0159et\u011bzci, kde ka\u017ed\u00e1 planeta ovliv\u0148uje orbit\u00e1ln\u00ed pohyb sv\u00e9 sousedn\u00ed planety. Tento fenom\u00e9n je kl\u00ed\u010dov\u00fd pro pochopen\u00ed formace planet\u00e1rn\u00edch syst\u00e9m\u016f, proto\u017ee nazna\u010duje, \u017ee planety se pravd\u011bpodobn\u011b formovaly v&nbsp;r\u016fzn\u00fdch vzd\u00e1lenostech od sv\u00e9 mate\u0159sk\u00e9 hv\u011bzdy a&nbsp;postupn\u011b migrovaly do sv\u00fdch sou\u010dasn\u00fdch poloh.<\/p>\n\n\n\n<p><a href=\"https:\/\/www.asu.cas.cz\/articles\/2281\/19\/na-cem-pracujeme-zarovnany-exoplanetarni-system-hd-110067\" target=\"_blank\" rel=\"noreferrer noopener\">Pokra\u010dov\u00e1n\u00ed na webu ASU<\/a><\/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>J. \u017d\u00e1k a\u00a0kol., <em>HD110067c has an aligned orbit: Measuring the Rossiter-McLaughlin effect inside a\u00a0resonant multiplanetary system with ESPRESSO<\/em>, Astronomy &amp; Astrophysics v\u00a0tisku, preprint <a href=\"https:\/\/arxiv.org\/abs\/2405.12409\" target=\"_blank\" rel=\"noreferrer noopener\">arXiv:2405.12409<\/a><\/li>\n\n\n\n<li>kontakt:&nbsp;Mgr. Ji\u0159\u00ed \u017d\u00e1k, jiri.zak@eso.org<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Po\u010dty objeven\u00fdch extrasol\u00e1rn\u00edch planet ji\u017e d\u00e1vno p\u0159es\u00e1hly hodnotu p\u011bti tis\u00edc, v&nbsp;905 p\u0159\u00edpadech byly objeveny cel\u00e9 planet\u00e1rn\u00ed syst\u00e9my. Jen velmi mal\u00e9 mno\u017estv\u00ed z&nbsp;nich ale vykazuje koplan\u00e1rn\u00ed<\/p>\n","protected":false},"author":1,"featured_media":3109,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[38,32],"tags":[],"class_list":["post-3105","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-exoplanety","category-novinky"],"_links":{"self":[{"href":"https:\/\/stel.asu.cas.cz\/cs\/wp-json\/wp\/v2\/posts\/3105","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=3105"}],"version-history":[{"count":2,"href":"https:\/\/stel.asu.cas.cz\/cs\/wp-json\/wp\/v2\/posts\/3105\/revisions"}],"predecessor-version":[{"id":3110,"href":"https:\/\/stel.asu.cas.cz\/cs\/wp-json\/wp\/v2\/posts\/3105\/revisions\/3110"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/stel.asu.cas.cz\/cs\/wp-json\/wp\/v2\/media\/3109"}],"wp:attachment":[{"href":"https:\/\/stel.asu.cas.cz\/cs\/wp-json\/wp\/v2\/media?parent=3105"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/stel.asu.cas.cz\/cs\/wp-json\/wp\/v2\/categories?post=3105"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/stel.asu.cas.cz\/cs\/wp-json\/wp\/v2\/tags?post=3105"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}