{"id":110808,"date":"2025-11-15T18:17:13","date_gmt":"2025-11-15T18:17:13","guid":{"rendered":"https:\/\/ekamu.net\/?p=110808"},"modified":"2025-11-15T18:17:13","modified_gmt":"2025-11-15T18:17:13","slug":"bir-yildiz-patladiktan-sadece-26-saat-sonra-boyle-gorunuyor","status":"publish","type":"post","link":"https:\/\/ekamu.net\/index.php\/2025\/11\/15\/bir-yildiz-patladiktan-sadece-26-saat-sonra-boyle-gorunuyor\/","title":{"rendered":"Bir y\u0131ld\u0131z patlad\u0131ktan sadece 26 saat sonra b\u00f6yle g\u00f6r\u00fcn\u00fcyor"},"content":{"rendered":"

<\/span> Astronomlar, bir s\u00fcpernova<\/strong> patlamas\u0131n\u0131n \u015fok dalgas\u0131n\u0131n \u00f6len bir y\u0131ld\u0131z\u0131n y\u00fczeyinden \u00e7\u0131kt\u0131\u011f\u0131 an\u0131 ilk kez<\/strong> kaydetmeyi ba\u015fard\u0131. Bu t\u00fcr g\u00f6zlemler daha \u00f6nce nadiren m\u00fcmk\u00fcn oluyordu. \u00c7\u00fcnk\u00fc s\u00fcpernova erken fark edilmedi\u011fi veya teleskoplar h\u0131zl\u0131ca y\u00f6nlendirilemedi\u011fi s\u00fcrece, patlayan y\u0131ld\u0131z \u00e7ok uzakta oluyor ve detayl\u0131 inceleme yap\u0131lam\u0131yordu. Ancak SN 2024ggi<\/strong> adl\u0131 s\u00fcpernova patlamas\u0131, ilk kez tespit edildikten sadece saatler sonra \u015eili\u2019deki Very Large Telescope<\/strong> (VLT) ile g\u00f6r\u00fcnt\u00fclendi ve bu ola\u011fan\u00fcst\u00fc olay\u0131n ba\u015flang\u0131\u00e7 evresine dair benzersiz veriler<\/strong> topland\u0131. <\/figure>\n

S\u00fcpernova 10 Nisan 2024<\/strong> tarihinde tespit edildi\u011finde zamanlaman\u0131n kritik oldu\u011fu biliniyordu. H\u0131zl\u0131 hareket eden ekip sayesinde bilim d\u00fcnyas\u0131, bir s\u00fcpernovay\u0131 bu kadar erken bir evrede kaydetmeyi ba\u015fard\u0131. Elde edilen veriler, patlayan y\u0131ld\u0131zlar\u0131n davran\u0131\u015f\u0131na dair uzun s\u00fcredir cevap bekleyen bir\u00e7ok bilimsel soruya \u0131\u015f\u0131k tutabilir.<\/p>\n

Dev y\u0131ld\u0131z\u0131n patlamas\u0131 yak\u0131ndan g\u00f6zlemlendi<\/b><\/p>\n

\u00c7in\u2019deki Tsinghua \u00dcniversitesi\u2019nde yard\u0131mc\u0131 do\u00e7ent olarak g\u00f6rev yapan Yi Yang, SN 2024ggi tespit edildi\u011finde San Francisco\u2019dayd\u0131. Sadece 12 saat i\u00e7inde Avrupa G\u00fcney G\u00f6zlemevi<\/strong>\u2019ne (ESO) g\u00f6zlem teklifini iletti. H\u0131zl\u0131 bir onay s\u00fcrecinin ard\u0131ndan ESO, 11 Nisan\u2019da VLT\u2019yi s\u00fcpernovaya \u00e7evirdi. Bu, tespitten sadece 26 saat<\/strong> sonra ger\u00e7ekle\u015fti.<\/p>\n

<\/span> SN 2024ggi, Hydra tak\u0131my\u0131ld\u0131z\u0131 <\/strong>y\u00f6n\u00fcnde bulunan NGC 3621 <\/strong>galaksisinde yer al\u0131yor. Yakla\u015f\u0131k 22 milyon \u0131\u015f\u0131k y\u0131l\u0131 <\/strong>uzakl\u0131ktaki bu s\u00fcpernova, g\u00f6rece olarak G\u00fcne\u015f Sistemi\u2019ne yak\u0131n say\u0131l\u0131yor. Patlamaya yol a\u00e7an y\u0131ld\u0131z, k\u00fctlesi<\/strong> G\u00fcne\u015f\u2019in 12-15 kat\u0131<\/strong> ve yar\u0131\u00e7ap\u0131 G\u00fcne\u015f\u2019in 500 kat\u0131<\/strong> olan bir k\u0131rm\u0131z\u0131 s\u00fcper dev. <\/figure>\n

Bu t\u00fcr y\u0131ld\u0131zlar\u0131n \u00e7ekirde\u011finde n\u00fckleer f\u00fczyon durdu\u011funda \u00e7ekirdek, k\u00fctle\u00e7ekimi alt\u0131nda \u00e7\u00f6ker ve yo\u011fun bir n\u00f6tron y\u0131ld\u0131z\u0131na d\u00f6n\u00fc\u015f\u00fcr. Patlamay\u0131 tetikleyen \u015fey ise yeni olu\u015fan n\u00f6tron y\u0131ld\u0131z\u0131n\u0131n kendisi de\u011fil, \u00e7evresindeki y\u0131ld\u0131z katmanlar\u0131n\u0131n bu yo\u011fun \u00e7ekirde\u011fe \u00e7arpmas\u0131yla ortaya \u00e7\u0131kan \u015fok dalgas\u0131d\u0131r. Bu \u015fok dalgas\u0131, y\u0131ld\u0131z\u0131n d\u0131\u015f katmanlar\u0131n\u0131 uzaya f\u0131rlatarak devasa bir s\u00fcpernova patlamas\u0131na yol a\u00e7ar. Patlama s\u0131ras\u0131nda d\u0131\u015f katmanlar da\u011f\u0131l\u0131rken, n\u00f6tron y\u0131ld\u0131z\u0131 merkezde yo\u011fun bir kal\u0131nt\u0131 olarak kal\u0131r. K\u0131rm\u0131z\u0131 s\u00fcper devin yar\u0131\u00e7ap\u0131 G\u00fcne\u015f\u2019in 500 kat\u0131 kadar oldu\u011fu i\u00e7in \u015fok dalgas\u0131n\u0131n y\u0131ld\u0131z\u0131n y\u00fczeyine ula\u015fmas\u0131 yakla\u015f\u0131k bir g\u00fcn s\u00fcrer.<\/p>\n

B\u00f6ylesi dev y\u0131ld\u0131zlar\u0131n s\u00fcpernova patlamalar\u0131n\u0131 y\u00f6nlendiren mekanizmalar bilim d\u00fcnyas\u0131nda halen tart\u0131\u015fma konusu. G\u00f6zlemi ger\u00e7ekle\u015ftiren ekip, bulgular\u0131n\u0131n bu g\u00fc\u00e7l\u00fc patlamalarla ilgili uzun s\u00fcredir cevaps\u0131z kalan sorular\u0131 ayd\u0131nlataca\u011f\u0131n\u0131 d\u00fc\u015f\u00fcn\u00fcyor.<\/p>\n

Yeni bilgiler elde edildi<\/b><\/p>\n

Yeni \u00e7al\u0131\u015fma, \u00f6len y\u0131ld\u0131z\u0131n geometrisi hakk\u0131nda gizli ipu\u00e7lar\u0131n\u0131 ortaya koydu. Patlayan y\u0131ld\u0131z tek bir nokta gibi g\u00f6r\u00fcnse de \u0131\u015f\u0131\u011f\u0131n\u0131n polarizasyonu bilim insanlar\u0131n\u0131n belirli \u00f6zellikleri \u00e7\u0131karmas\u0131na olanak sa\u011flad\u0131.<\/p>\n

ESO\u2019dan Alman astronom Dietrich Baade, \u00e7al\u0131\u015fman\u0131n e\u015f-yazar\u0131 olarak \u201c\u0130lk VLT g\u00f6zlemleri, y\u0131ld\u0131z\u0131n merkezine yak\u0131n bir yerde patlama sonucu h\u0131zlanan maddenin y\u0131ld\u0131z\u0131n y\u00fczeyinden f\u0131rlad\u0131\u011f\u0131 a\u015famay\u0131 yakalad\u0131. Birka\u00e7 saat boyunca, y\u0131ld\u0131z\u0131n geometrisi ve patlamas\u0131 birlikte g\u00f6zlemlenebildi\u201d<\/em> ifadelerini kulland\u0131.<\/p>\n

VLT\u2019nin FORS2 aletiyle elde edilen veriler, s\u00fcpernovadan \u00e7\u0131kan ilk maddenin zeytin gibi yass\u0131 <\/strong>bir \u015fekle benzedi\u011fini g\u00f6steriyor. Patlama, y\u0131ld\u0131z\u0131n \u00e7evresindeki maddeyle \u00e7arp\u0131\u015ft\u0131k\u00e7a bu \u015feklin d\u00fczle\u015fti\u011fi ancak maddenin simetri ekseninin de\u011fi\u015fmedi\u011fi de g\u00f6r\u00fcld\u00fc. Yang, bu bulgular\u0131n bir\u00e7ok dev y\u0131ld\u0131z\u0131n patlamas\u0131n\u0131 y\u00f6nlendiren ortak bir fiziksel mekanizmay\u0131 ortaya koydu\u011funu, bu mekanizman\u0131n iyi tan\u0131mlanm\u0131\u015f eksenel simetriye sahip oldu\u011funu ve geni\u015f \u00f6l\u00e7ekte etkili oldu\u011funu belirtti.<\/p>\n\n

https:\/\/www.youtube.com\/embed\/KPbOu83mKWc<\/span><\/p>\n

Kaynak :\u00a0https:\/\/www.donanimhaber.com\/bir-yildiz-patladiktan-sadece-26-saat-sonra-boyle-gorunuyor–198607<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

Astronomlar, bir s\u00fcpernova patlamas\u0131n\u0131n \u015fok dalgas\u0131n\u0131n \u00f6len bir y\u0131ld\u0131z\u0131n y\u00fczeyinden \u00e7\u0131kt\u0131\u011f\u0131 an\u0131 ilk kez kaydetmeyi ba\u015fard\u0131. Bu t\u00fcr g\u00f6zlemler daha \u00f6nce nadiren m\u00fcmk\u00fcn oluyordu. \u00c7\u00fcnk\u00fc s\u00fcpernova erken fark edilmedi\u011fi veya teleskoplar h\u0131zl\u0131ca …<\/p>\n","protected":false},"author":1,"featured_media":110809,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[2474,1040,4945,1096,2858],"class_list":["post-110808","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-teknoloji","tag-gozlem","tag-patlama","tag-supernova","tag-yildiz","tag-yildizin"],"_links":{"self":[{"href":"https:\/\/ekamu.net\/index.php\/wp-json\/wp\/v2\/posts\/110808","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ekamu.net\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ekamu.net\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ekamu.net\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ekamu.net\/index.php\/wp-json\/wp\/v2\/comments?post=110808"}],"version-history":[{"count":1,"href":"https:\/\/ekamu.net\/index.php\/wp-json\/wp\/v2\/posts\/110808\/revisions"}],"predecessor-version":[{"id":110812,"href":"https:\/\/ekamu.net\/index.php\/wp-json\/wp\/v2\/posts\/110808\/revisions\/110812"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ekamu.net\/index.php\/wp-json\/wp\/v2\/media\/110809"}],"wp:attachment":[{"href":"https:\/\/ekamu.net\/index.php\/wp-json\/wp\/v2\/media?parent=110808"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ekamu.net\/index.php\/wp-json\/wp\/v2\/categories?post=110808"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ekamu.net\/index.php\/wp-json\/wp\/v2\/tags?post=110808"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}