{"id":2176,"date":"2022-03-15T11:00:11","date_gmt":"2022-03-15T10:00:11","guid":{"rendered":"https:\/\/stel.asu.cas.cz\/cs\/?p=2176"},"modified":"2022-04-12T14:45:43","modified_gmt":"2022-04-12T12:45:43","slug":"vyzkum-hvezdneho-vetru-prispel-k-lepsimu-pochopeni-hmotnych-hvezd","status":"publish","type":"post","link":"https:\/\/stel.asu.cas.cz\/cs\/2022\/03\/15\/vyzkum-hvezdneho-vetru-prispel-k-lepsimu-pochopeni-hmotnych-hvezd\/","title":{"rendered":"V\u00fdzkum hv\u011bzdn\u00e9ho v\u011btru p\u0159isp\u011bl k lep\u0161\u00edmu pochopen\u00ed hmotn\u00fdch hv\u011bzd"},"content":{"rendered":"<p style=\"text-align: justify;\">Grantov\u00e1 agentura \u010cesk\u00e9 republiky (GA \u010cR) ozn\u00e1mila z\u00e1v\u011bre\u010dn\u00e9 hodnocen\u00ed projektu \u010d. 18-05665S s n\u00e1zvem &#8218;<strong>Ztr\u00e1ta hmoty v pozdn\u00edch f\u00e1z\u00edch v\u00fdvoje hmotn\u00fdch hv\u011bzd<\/strong>&#8218;. Projekt ohodnotila stupn\u011bm &#8218;vynikaj\u00edc\u00ed&#8216;.<\/p>\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>&#8222;<em>P\u0159edsednictvo GA \u010cR sv\u00fdm rozhodnut\u00edm potvrdilo hodnocen\u00ed projektu navr\u017een\u00e9 expertn\u00edmi a poradn\u00edmi org\u00e1ny, je\u017e ocenily dosa\u017een\u00ed mimo\u0159\u00e1dn\u00fdch v\u00fdsledk\u016f, kter\u00e9 spl\u0148uj\u00ed vysok\u00e9 n\u00e1roky kladen\u00e9 na v\u011bdeckou a v\u00fdzkumnou \u010dinnost, p\u0159isp\u00edvaj\u00ed k roz\u0161\u00ed\u0159en\u00ed sou\u010dasn\u00e9ho stavu pozn\u00e1n\u00ed a v\u00fdznamn\u011b zasahuj\u00ed do v\u00fdvoje p\u0159\u00edslu\u0161n\u00e9ho oboru, a to nejen v \u010desk\u00e9m prost\u0159ed\u00ed, ale i v mezin\u00e1rodn\u00edm kontextu.<\/em>&#8222;<\/p><\/blockquote>\n\n\n<p style=\"text-align: justify;\">V r\u00e1mci projektu spojili sv\u00e9 s\u00edly astrofyzikov\u00e9 z \u00dastavu teoretick\u00e9 fyziky a astrofyziky Masarykovy univerzity (vedouc\u00ed \u0159e\u0161itel Ji\u0159\u00ed Krti\u010dka) s kolegy z Astronomick\u00e9ho \u00fastavu Akademie v\u011bd \u010cesk\u00e9 republiky (vedouc\u00ed \u0159e\u0161itel <a href=\"https:\/\/stel.asu.cas.cz\/cs\/fyzika-horkych-hvezd\/lide\/#kubat\">Ji\u0159\u00ed Kub\u00e1t<\/a>) a zkoumali, jak rychle hmotn\u00e9 hv\u011bzdy ztr\u00e1cej\u00ed hmotu. Zam\u011b\u0159ili se na hmotn\u00e9 hv\u011bzdy v pozdn\u00edch v\u00fdvojov\u00fdch st\u00e1di\u00edch, u nich\u017e je ztr\u00e1ta hmoty prob\u00e1d\u00e1na nejm\u00e9n\u011b. Tyto hv\u011bzdy o hmotnosti v\u00edce ne\u017e desetin\u00e1sobku Slunce pat\u0159\u00ed k nejz\u00e1\u0159iv\u011bj\u0161\u00edm objekt\u016fm v\u016fbec. Oproti hv\u011bzd\u00e1m slune\u010dn\u00edho typu je v\u0161ak jejich \u017eivot mnohem krat\u0161\u00ed &#8211; v pr\u016fb\u011bhu za pouh\u00fdch n\u011bkolik mili\u00f3n\u016f let sp\u00e1l\u00ed dostupn\u00e9 jadern\u00e9 palivo ve sv\u00e9m nitru a zanikaj\u00ed kataklyzmatick\u00fdm v\u00fdbuchem supernovy. Supernovy b\u00fdvaj\u00ed natolik jasn\u00e9, \u017ee jsou patrn\u00e9 z t\u00e9m\u011b\u0159 cel\u00e9ho viditeln\u00e9ho vesm\u00edru, a zanechaj\u00ed za sebou kompaktn\u00ed zbytek: bu\u010f neutronovou hv\u011bzdu, nebo \u010dernou d\u00edru. Jak se tyto hv\u011bzdy vyv\u00edjej\u00ed a co ovliv\u0148uje formu kompaktn\u00edho zbytku? A jak hmotn\u00e1 \u010dern\u00e1 d\u00edra vznik\u00e1? Nev\u00edme. Tedy ne p\u0159esn\u011b. Jednou z nejv\u011bt\u0161\u00edch nezn\u00e1m\u00fdch je toti\u017e mno\u017estv\u00ed hmoty, kter\u00e9 hmotn\u00e9 hv\u011bzdy ztrat\u00ed b\u011bhem sv\u00e9ho \u017eivota. &#8230;<\/p>\n\n\n<ul class=\"wp-block-list\"><li>dal\u0161\u00ed informace: <a rel=\"noreferrer noopener\" href=\"https:\/\/gacr.cz\/vyzkum-hvezdneho-vetru-prispel-k-lepsi-pochopeni-hmotnych-hvezd\/\" target=\"_blank\">tiskov\u00e1 zpr\u00e1va GA \u010cR<\/a><\/li><\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Grantov\u00e1 agentura \u010cesk\u00e9 republiky (GA \u010cR) ozn\u00e1mila z\u00e1v\u011bre\u010dn\u00e9 hodnocen\u00ed projektu \u010d. 18-05665S s n\u00e1zvem &#8218;Ztr\u00e1ta hmoty v pozdn\u00edch f\u00e1z\u00edch v\u00fdvoje hmotn\u00fdch hv\u011bzd&#8218;. Projekt ohodnotila stupn\u011bm<\/p>\n","protected":false},"author":1,"featured_media":2178,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[37,32],"tags":[],"class_list":["post-2176","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\/2176","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=2176"}],"version-history":[{"count":9,"href":"https:\/\/stel.asu.cas.cz\/cs\/wp-json\/wp\/v2\/posts\/2176\/revisions"}],"predecessor-version":[{"id":2191,"href":"https:\/\/stel.asu.cas.cz\/cs\/wp-json\/wp\/v2\/posts\/2176\/revisions\/2191"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/stel.asu.cas.cz\/cs\/wp-json\/wp\/v2\/media\/2178"}],"wp:attachment":[{"href":"https:\/\/stel.asu.cas.cz\/cs\/wp-json\/wp\/v2\/media?parent=2176"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/stel.asu.cas.cz\/cs\/wp-json\/wp\/v2\/categories?post=2176"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/stel.asu.cas.cz\/cs\/wp-json\/wp\/v2\/tags?post=2176"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}