{"id":150,"date":"2008-12-07T10:41:05","date_gmt":"2008-12-07T08:41:05","guid":{"rendered":"http:\/\/www.astrobobo.net\/?p=150"},"modified":"2023-07-12T08:48:07","modified_gmt":"2023-07-12T06:48:07","slug":"epsilon-aurigae-zanimljiva-varijabilna-zvijezda","status":"publish","type":"post","link":"http:\/\/www.astrobobo.net\/?p=150","title":{"rendered":"Epsilon Aurigae &#8211; zanimljiva varijabilna zvijezda"},"content":{"rendered":"<p><a href=\"http:\/\/en.wikipedia.org\/wiki\/Epsilon_Aurigae\" target=\"_blank\" rel=\"noopener\">Epsilon Aurigae<\/a>, zvijezda tre\u0107e magnitude koja se nalazi pokraj Capelle, je varijabilna zvijezda zanimljivih karakteristika. Naime, svako 27 godina smanji svoj sjaj na mag. 3.8 kao pomr\u010dinska varijabilna zvijezda. Me\u0111utim, dok kod klasi\u010dnih pomr\u010dinskih zvijezda to zna\u010di da ispred primarne zvijezde pre\u0111e druga zvijezda koja joj smanjuje sjaj, ovdje to nije slu\u010daj. Minimum Epsilon Aurigae traje \u010dak 714 dana! Iako je zvijezda gotovo 2000 puta ve\u0107a od Sunca, taj period je preduga\u010dak da bi ga uzrokovao prelazak neke druge zvijezde koja je u orbiti oko nje.<\/p>\n<p>Posljednji period je bio 1981. i 1982. &#8211; na\u017ealost, tijekom sredine perioda Epsilon Aurigae je bila iza Sunca i nisu se mogla raditi mjerenja. Za sada najbolja pretpostavka je da ispred zvijezde prolazi oblak pra\u0161ine, budu\u0107i da se tijekom cijelog perioda mo\u017ee vidjeti spektar primarne zvijezde \u0161to zna\u010di da je taj &#8220;oblak&#8221; polu-proziran. Me\u0111utim, ne\u0161to ga mora dr\u017eati na okupu, pa bi se u sredini oblaka mogao nalaziti neki masivan objekt.<\/p>\n<p>Za 2009. kao godinu astronomije predlo\u017een je i <a href=\"http:\/\/astronomy2009.us\/citizen_science\/epsilon-aurigae\/\" target=\"_blank\" rel=\"noopener\">projekt promatranja i mjerenja sjaja Epsilon Aurigae<\/a>. Svakako \u0107e biti zanimljivo vidjeti \u0161to se u tom sistemu de\u0161ava i sva mjerenja su dobrodo\u0161la. Potrebno je po\u010deti ve\u0107 sada kako bi imali \u0161to kvalitetnije podake.<\/p>\n<p>Vi\u0161e informacija o ovoj zvijezdi pro\u010ditajte na <a href=\"http:\/\/www.aavso.org\/vstar\/vsots\/eps_aur.shtml\" target=\"_blank\" rel=\"noopener\">AAVSO web stranicama<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Epsilon Aurigae, zvijezda tre\u0107e magnitude koja se nalazi pokraj Capelle, je varijabilna zvijezda zanimljivih karakteristika. Naime, svako 27 godina smanji svoj sjaj na mag. 3.8 kao pomr\u010dinska varijabilna zvijezda. Me\u0111utim, dok kod klasi\u010dnih pomr\u010dinskih zvijezda to zna\u010di da ispred primarne zvijezde pre\u0111e druga zvijezda koja joj smanjuje sjaj, ovdje to nije slu\u010daj. Minimum Epsilon Aurigae [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"gallery","meta":{"_acf_changed":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[21],"tags":[],"class_list":["post-150","post","type-post","status-publish","format-gallery","hentry","category-najave","post_format-post-format-gallery"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.9 - aioseo.com -->\n\t<meta name=\"description\" content=\"Epsilon Aurigae - zanimljiva varijabilna zvijezda\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Bobo\"\/>\n\t<meta name=\"keywords\" content=\"epsilon aurigae,varijabilna zvijezda,zvijezda,najave\" \/>\n\t<link rel=\"canonical\" href=\"http:\/\/www.astrobobo.net\/?p=150\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.9\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Astrobobo.net\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Epsilon Aurigae - zanimljiva varijabilna zvijezda | Astrobobo.net\" \/>\n\t\t<meta property=\"og:description\" content=\"Epsilon Aurigae - zanimljiva varijabilna zvijezda\" \/>\n\t\t<meta property=\"og:url\" content=\"http:\/\/www.astrobobo.net\/?p=150\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2008-12-07T08:41:05+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2023-07-12T06:48:07+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Epsilon Aurigae - zanimljiva varijabilna zvijezda | Astrobobo.net\" \/>\n\t\t<meta name=\"twitter:description\" content=\"Epsilon Aurigae - zanimljiva varijabilna zvijezda\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"http:\\\/\\\/www.astrobobo.net\\\/?p=150#article\",\"name\":\"Epsilon Aurigae - zanimljiva varijabilna zvijezda | Astrobobo.net\",\"headline\":\"Epsilon Aurigae &#8211; 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