{"id":142,"date":"2024-01-21T11:35:34","date_gmt":"2024-01-21T11:35:34","guid":{"rendered":"https:\/\/www.ursamaiorcsillagda.hu\/?p=142"},"modified":"2026-01-08T14:30:08","modified_gmt":"2026-01-08T14:30:08","slug":"eszlelonaplo-2024-01-20","status":"publish","type":"post","link":"https:\/\/www.ursamaiorcsillagda.hu\/?p=142","title":{"rendered":"Eta Cassiopeia-\u00c9szlel\u0151napl\u00f3 2024.01.20."},"content":{"rendered":"\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"575\" height=\"560\" src=\"https:\/\/www.ursamaiorcsillagda.hu\/wp-content\/uploads\/2024\/01\/EtaCas_20240120.png\" alt=\"\" class=\"wp-image-143\" srcset=\"https:\/\/www.ursamaiorcsillagda.hu\/wp-content\/uploads\/2024\/01\/EtaCas_20240120.png 575w, https:\/\/www.ursamaiorcsillagda.hu\/wp-content\/uploads\/2024\/01\/EtaCas_20240120-300x292.png 300w\" sizes=\"(max-width: 575px) 100vw, 575px\" \/><\/figure>\n\n\n\n<p>A csillagda \u00e9szlel\u0151programj\u00e1t 2024-ben kieg\u00e9sz\u00edtettem a kett\u0151scsillagok megfigyel\u00e9s\u00e9vel, ennek els\u0151 \u00e9szlel\u00e9s\u00e9t rajzos \u00faton is meg\u00f6r\u00f6k\u00edtettem. Az ETA CAS (m\u00e1sn\u00e9ven: Archird) kett\u0151s rendszer 19 f\u00e9ny\u00e9vre van a F\u00f6ldt\u0151l, ami kozmikus l\u00e9pt\u00e9kben igen csak nem sok. A f\u0151 csillag (a k\u00e9pen A jellel) f\u00e9nyes, 4 magnit\u00fad\u00f3 k\u00f6r\u00fcli k\u00e9kesfeh\u00e9r csillag, m\u00edg k\u00eds\u00e9r\u0151je (a k\u00e9pen B jellel) j\u00f3csk\u00e1n halv\u00e1nyabb, 8-9 magnit\u00fad\u00f3 k\u00f6r\u00fcli feh\u00e9r csillag. A kett\u0151s rendszer fizikai kett\u0151s, \u00edgy ez a k\u00e9t csillag nem csak l\u00e1tsz\u00f3lag van egym\u00e1shoz nagyon k\u00f6zel, hanem val\u00f3ban egym\u00e1s k\u00f6r\u00fcl keringenek, kering\u00e9si idej\u00fck durv\u00e1n 479 \u00e9v.<\/p>\n\n\n\n<p>Az \u00e9szlel\u00e9s sor\u00e1n sajnos nem volt a legjobb az \u00e9g, el\u00e9g p\u00e1r\u00e1s \u00e9s turbulens volt, amely a nagy nagy\u00edt\u00e1sok mellett megnehez\u00edtette az \u00e9szlel\u00e9st \u00e9s a magasan j\u00e1r\u00f3 f\u00e9lhold sem seg\u00edtett a f\u00e9nyess\u00e9g\u00e9vel. Mindent egybevetve ugyanakkor sz\u00e9p kezdete ez az obszervat\u00f3rium kett\u0151scsillag \u00e9szlel\u0151 programj\u00e1nak. <\/p>\n","protected":false},"excerpt":{"rendered":"<p>A csillagda \u00e9szlel\u0151programj\u00e1t 2024-ben kieg\u00e9sz\u00edtettem a kett\u0151scsillagok megfigyel\u00e9s\u00e9vel, ennek els\u0151 \u00e9szlel\u00e9s\u00e9t rajzos \u00faton is meg\u00f6r\u00f6k\u00edtettem. Az ETA CAS (m\u00e1sn\u00e9ven: Archird) kett\u0151s rendszer 19 f\u00e9ny\u00e9vre van &hellip; <\/p>\n","protected":false},"author":1,"featured_media":143,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-142","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/www.ursamaiorcsillagda.hu\/index.php?rest_route=\/wp\/v2\/posts\/142","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ursamaiorcsillagda.hu\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ursamaiorcsillagda.hu\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ursamaiorcsillagda.hu\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ursamaiorcsillagda.hu\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=142"}],"version-history":[{"count":2,"href":"https:\/\/www.ursamaiorcsillagda.hu\/index.php?rest_route=\/wp\/v2\/posts\/142\/revisions"}],"predecessor-version":[{"id":148,"href":"https:\/\/www.ursamaiorcsillagda.hu\/index.php?rest_route=\/wp\/v2\/posts\/142\/revisions\/148"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ursamaiorcsillagda.hu\/index.php?rest_route=\/wp\/v2\/media\/143"}],"wp:attachment":[{"href":"https:\/\/www.ursamaiorcsillagda.hu\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=142"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ursamaiorcsillagda.hu\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=142"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ursamaiorcsillagda.hu\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=142"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}