{"id":18340,"date":"2022-04-29T03:00:05","date_gmt":"2022-04-29T00:00:05","guid":{"rendered":"https:\/\/kutaybilen.com.tr\/?p=18340"},"modified":"2022-04-29T03:00:05","modified_gmt":"2022-04-29T00:00:05","slug":"beyaz-cuceler-hakkinda-yeni-bilgiler-elde-edildi","status":"publish","type":"post","link":"https:\/\/kutaybilen.com.tr\/?p=18340","title":{"rendered":"Beyaz C\u00fcceler Hakk\u0131nda Yeni Bilgiler Elde Edildi"},"content":{"rendered":"<p>Astronomlar\u0131n elde etti\u011fi datalar, karbon zengini atmosfere sahip devasa bir <strong>beyaz c\u00fcce<\/strong> y\u0131ld\u0131z\u0131n, iki beyaz c\u00fccenin bir ortaya gelmesiyle olu\u015fma ihtimalini ortaya koydu. \u00c7al\u0131\u015fmalar sonucunda daha evvel hi\u00e7 g\u00f6r\u00fclmemi\u015f atmosferik bir kompozisyona sahip, bizden yakla\u015f\u0131k 150 \u0131\u015f\u0131k y\u0131l\u0131 uzakl\u0131kta bulunan s\u0131ra d\u0131\u015f\u0131 ultra b\u00fcy\u00fck beyaz bir c\u00fcce ke\u015ffedildi. Birle\u015fmi\u015f beyaz c\u00fccenin birinci sefer atmosferik bile\u015fimi ipucu olarak belirlendi.<\/p>\n<p><b>Astronomlardan beyaz c\u00fccelerle ilgili k\u0131ymetli ke\u015fif:<\/b><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.webtekno.com\/images\/editor\/default\/0002\/48\/f69c2d17cc37a6475073e4c1c70e41a115dfa725.jpeg\"\/><\/p>\n<p>Sonu\u00e7lar\u0131 Nature Astronomy mecmuas\u0131nda yay\u0131nlanan ke\u015fif, k\u00fctleli beyaz c\u00fcce y\u0131ld\u0131zlar\u0131n evrimi ve galaksimizdeki <strong>s\u00fcpernova patlamalar\u0131<\/strong> say\u0131s\u0131 hakk\u0131nda yeni sorular ortaya \u00e7\u0131karabilir. S\u00fcpernova, g\u00fcc\u00fc biten b\u00fcy\u00fck k\u00fctleli y\u0131ld\u0131zlar\u0131n \u015fiddetle patlamas\u0131 durumu olarak biliniyor.<\/p>\n<p>WDJ0551 + 4135 isimli bu y\u0131ld\u0131z, <strong>Avrupa Uzay Ajans\u0131&#39;n\u0131n\u00a0<\/strong>(ESA) Gaia teleskobundan gelen bilgilerden yola \u00e7\u0131k\u0131larak tan\u0131mland\u0131. Astronomlar, William Herschel Teleskobu arac\u0131l\u0131\u011f\u0131yla beyaz c\u00fccelere odaklanarak al\u0131nan spektroskopiyi inceledi. Bu \u00e7al\u0131\u015fma, Gaia misyonunun m\u00fcmk\u00fcn k\u0131ld\u0131\u011f\u0131 bir muvaffakiyet olarak \u00f6ne \u00e7\u0131k\u0131yor. Y\u0131ld\u0131z\u0131n yayd\u0131\u011f\u0131 \u0131\u015f\u0131k yard\u0131m\u0131yla, kelam konusu cismin kimyasal yap\u0131s\u0131 belirlendi ve al\u0131\u015f\u0131lmad\u0131k derecede y\u00fcksek bir karbon d\u00fczeyine sahip oldu\u011fu saptand\u0131.<\/p>\n<p><b>Uzayda daha evvel e\u015fi g\u00f6r\u00fclmemi\u015f \u00e7al\u0131\u015fma:<\/b><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.webtekno.com\/images\/editor\/default\/0002\/48\/d28c1473db8b5872ddced4a034caf4eca902773c.jpeg\"\/><\/p>\n<p>Warwick \u00dcniversitesi Fizik B\u00f6l\u00fcm\u00fc&#39;nden ba\u015fyazar Dr. Mark Hollands, <em>&#8220;Bu y\u0131ld\u0131z daha evvel hi\u00e7 g\u00f6rmedi\u011fimiz bir \u015fey olarak g\u00f6ze \u00e7arp\u0131yordu. Bazen helyum ile kar\u0131\u015ft\u0131r\u0131lm\u0131\u015f bir d\u0131\u015f hidrojen katman\u0131 yahut yaln\u0131zca helyum ve karbon kar\u0131\u015f\u0131m\u0131 g\u00f6rebilirsiniz. Bu hidrojen ve karbon kombinasyonunu t\u0131pk\u0131 anda g\u00f6rmeyi beklemezsiniz, zira ortalar\u0131nda bunu yasaklayan kal\u0131n bir helyum katman\u0131 olmas\u0131 gerekir. Bakt\u0131\u011f\u0131m\u0131zda hi\u00e7 mant\u0131kl\u0131 de\u011fildi\u201d<\/em> g\u00f6r\u00fc\u015f\u00fcn\u00fc bildirdi.<\/p>\n<p>Hollands ayr\u0131yeten, gelecekte <strong>asterosismoloji <\/strong>ismi verilen bir teknikle beyaz c\u00fccenin \u00e7ekirdek kompozisyonunu y\u0131ld\u0131z titre\u015fimlerden \u00f6\u011frenebileceklerini s\u00f6yledi. Asterosismoloji\u2019nin, y\u0131ld\u0131zlardaki sal\u0131n\u0131mlar\u0131n incelenmesi durumu oldu\u011funu belirtelim. Bir y\u0131ld\u0131z\u0131n farkl\u0131 sal\u0131n\u0131m modlar\u0131 y\u0131ld\u0131z\u0131n farkl\u0131 k\u0131s\u0131mlar\u0131na hassas oldu\u011fundan, astronomlara y\u0131ld\u0131z\u0131n i\u00e7 yap\u0131s\u0131 hakk\u0131nda bilgi veriyor.<\/p>\n<div> <\/div>\n","protected":false},"excerpt":{"rendered":"<p>Astronomlar\u0131n elde etti\u011fi datalar, karbon zengini atmosfere sahip devasa bir beyaz c\u00fcce y\u0131ld\u0131z\u0131n, iki beyaz c\u00fccenin bir ortaya gelmesiyle olu\u015fma &#8230;<\/p>\n","protected":false},"author":1,"featured_media":18341,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[851],"tags":[525],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=\/wp\/v2\/posts\/18340"}],"collection":[{"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=18340"}],"version-history":[{"count":1,"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=\/wp\/v2\/posts\/18340\/revisions"}],"predecessor-version":[{"id":18342,"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=\/wp\/v2\/posts\/18340\/revisions\/18342"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=\/wp\/v2\/media\/18341"}],"wp:attachment":[{"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=18340"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=18340"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=18340"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}