{"id":2459,"date":"2022-12-13T13:48:37","date_gmt":"2022-12-13T12:48:37","guid":{"rendered":"https:\/\/stel.asu.cas.cz\/cs\/?p=2459"},"modified":"2022-12-13T13:58:19","modified_gmt":"2022-12-13T12:58:19","slug":"jak-z-dlouheho-gama-zablesku-udelat-gama-zablesk-kratky","status":"publish","type":"post","link":"https:\/\/stel.asu.cas.cz\/cs\/2022\/12\/13\/jak-z-dlouheho-gama-zablesku-udelat-gama-zablesk-kratky\/","title":{"rendered":"Jak z dlouh\u00e9ho gama z\u00e1blesku ud\u011blat gama z\u00e1blesk kr\u00e1tk\u00fd&#8230;"},"content":{"rendered":"\n<p>Kdysi d\u00e1vno byl sv\u011bt gama z\u00e1blesk\u016f (GRB) p\u011bkn\u011b rozd\u011blen pouze na dv\u011b t\u0159\u00eddy: Dlouh\u00e9 z\u00e1blesky s dobou trv\u00e1n\u00ed v z\u00e1\u0159en\u00ed gama del\u0161\u00ed ne\u017e 2 s a kr\u00e1tk\u00e9 z\u00e1blesky, kter\u00e9 trvaj\u00ed dobu krat\u0161\u00ed ne\u017e 2 s. Dlouh\u00e9 gama z\u00e1blesky vznikaj\u00ed p\u0159i kone\u010dn\u00e9 explozi velmi hmotn\u00e9 hv\u011bzdy a jsou doprov\u00e1zeny tak\u00e9 velmi energetickou supernovou, co\u017e se poda\u0159ilo prok\u00e1zat ji\u017e p\u0159ed 20 lety. Kr\u00e1tk\u00e9 GRB vznikaj\u00ed p\u0159i splynut\u00ed dvou neutronov\u00fdch hv\u011bzd, kter\u00e9 jsou samy poz\u016fstatkem masivn\u00edch hv\u011bzd, co\u017e v\u00edme od prvn\u00ed detekce gravita\u010dn\u00edch vln spojen\u00fdch s takovouto ud\u00e1lost\u00ed v roce 2017.<\/p>\n\n\n\n<p>T\u00fdm veden\u00fd Jilianem Rastinejadem z Northwestern University v USA studoval neobvykl\u00fd gama z\u00e1blesk <strong>GRB 211211A <\/strong>mnoha r\u016fzn\u00fdmi pozemn\u00edmi i vesm\u00edrn\u00fdmi dalekohledy. \u010clenkou tohoto t\u00fdmu byla i astronomka Christina Th\u00f6ne z Astronomick\u00e9ho \u00fastavu AV \u010cR, kter\u00e1 prov\u00e1d\u011bla n\u011bkolikat\u00fddenn\u00ed pozorov\u00e1n\u00ed tohoto objektu p\u0159\u00edstroji na observato\u0159i <strong>Calar Alto<\/strong> (CAHA) v ji\u017en\u00edm \u0160pan\u011blsku a 10,4m teleskopem <strong>Gran Telescopio Canarias <\/strong>(GTC) na Kan\u00e1rsk\u00fdch ostrovech.<\/p>\n\n\n\n<p>&#8230; podrobnosti viz TZ ASU<\/p>\n\n\n\n<p><strong>Dal\u0161\u00ed informace a kontakty<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><a href=\"https:\/\/www.asu.cas.cz\/articles\/2036\/19\/jak-z-dlouheho-gama-zablesku-udelat-gama-zablesk-kratky-paradigma-vyzkumu-zablesku-gama-bylo-zpochybneno\" target=\"_blank\" rel=\"noreferrer noopener\">Tiskov\u00e1 zpr\u00e1va ASU<\/a> <\/li><li>Rastinejad, J., Gompertz, B., Levan, A., &amp; Fong, W., et al. (2022). &#8222;A kilonova following a long-duration gamma-ray burst at 350 Mpc&#8220;. Publikov\u00e1no v \u010dasopise Nature. <a rel=\"noreferrer noopener\" href=\"https:\/\/www.nature.com\/articles\/s41586-022-05390-w\" target=\"_blank\">DOI: 10.1038\/s41586-022-05390-w<\/a><\/li><li>Troja, E., Fryer, C.L., O&#8217;Connor, B., &amp; Ryan, G., et al (2022). &#8222;A nearby long gamma-ray burst from a merger of compact objects&#8220;. Publikov\u00e1no v \u010dasopise Nature. <a rel=\"noreferrer noopener\" href=\"https:\/\/www.nature.com\/articles\/s41586-022-05327-3\" target=\"_blank\">DOI: 10.1038\/s41586-022-05327-3<\/a><\/li><li>Dr. Martin Jel\u00ednek &#8211; Stel\u00e1rn\u00ed odd\u011blen\u00ed, vedouc\u00ed skupiny astrofyziky vysok\u00fdch energi\u00ed (\u010desky, anglicky); martin.jelinek@asu.cas.cz<\/li><li>Christina Th\u00f6ne &#8211; Astronomick\u00fd \u00fastav AV \u010cR (n\u011bmecky, anglicky); cthoene@asu.cas.cz<\/li><\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Kdysi d\u00e1vno byl sv\u011bt gama z\u00e1blesk\u016f (GRB) p\u011bkn\u011b rozd\u011blen pouze na dv\u011b t\u0159\u00eddy: Dlouh\u00e9 z\u00e1blesky s dobou trv\u00e1n\u00ed v z\u00e1\u0159en\u00ed gama del\u0161\u00ed ne\u017e 2 s<\/p>\n","protected":false},"author":1,"featured_media":2461,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[32,39],"tags":[],"class_list":["post-2459","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-novinky","category-vysoke-energie"],"_links":{"self":[{"href":"https:\/\/stel.asu.cas.cz\/cs\/wp-json\/wp\/v2\/posts\/2459","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=2459"}],"version-history":[{"count":1,"href":"https:\/\/stel.asu.cas.cz\/cs\/wp-json\/wp\/v2\/posts\/2459\/revisions"}],"predecessor-version":[{"id":2460,"href":"https:\/\/stel.asu.cas.cz\/cs\/wp-json\/wp\/v2\/posts\/2459\/revisions\/2460"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/stel.asu.cas.cz\/cs\/wp-json\/wp\/v2\/media\/2461"}],"wp:attachment":[{"href":"https:\/\/stel.asu.cas.cz\/cs\/wp-json\/wp\/v2\/media?parent=2459"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/stel.asu.cas.cz\/cs\/wp-json\/wp\/v2\/categories?post=2459"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/stel.asu.cas.cz\/cs\/wp-json\/wp\/v2\/tags?post=2459"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}