{"id":55575,"date":"2022-08-18T07:54:52","date_gmt":"2022-08-18T04:54:52","guid":{"rendered":"https:\/\/bilimvegelecek.com.tr\/?p=55575"},"modified":"2022-08-18T07:54:52","modified_gmt":"2022-08-18T04:54:52","slug":"turk-astronomlardan-yeni-bir-kisa-donemli-degisen-yildiz-kesfi","status":"publish","type":"post","link":"https:\/\/bilimvegelecek.com.tr\/index.php\/2022\/08\/18\/turk-astronomlardan-yeni-bir-kisa-donemli-degisen-yildiz-kesfi","title":{"rendered":"T\u00fcrk Astronomlardan Yeni Bir K\u0131sa D\u00f6nemli De\u011fi\u015fen Y\u0131ld\u0131z Ke\u015ffi"},"content":{"rendered":"

\u0130stanbul \u00dcniversitesi G\u00f6zlemevi’nin Beyaz\u0131t Yerle\u015fkesinde bulunan IST40 Teleskobu lisans, y\u00fcksek lisans ve doktora \u00f6\u011frencileri taraf\u0131ndan e\u011fitim-ara\u015ft\u0131rma faaliyetlerinde aktif olarak kullan\u0131lmaktad\u0131r. Bilimsel detekt\u00f6r\u00fcn Aral\u0131k 2017’de yap\u0131lan ilk \u0131\u015f\u0131k g\u00f6zleminden beri programl\u0131 bi\u00e7imde g\u00f6zlemler s\u00fcrd\u00fcr\u00fclmektedir. Kovid-19 pandemisinin en etkin oldu\u011fu tarihlerde g\u00f6zlemlere ara verilse de, pandeminin etkinli\u011finin azalmas\u0131yla, kontroll\u00fc bi\u00e7imde bilimsel faaliyetler yeniden ba\u015flad\u0131.<\/p>\n

\"\"
Ke\u015ffedilen de\u011fi\u015fen y\u0131ld\u0131z\u0131n alan g\u00f6r\u00fcnt\u00fcs\u00fc.<\/figcaption><\/figure>\n

\u0130ST40 teleskobu bilimsel dan\u0131\u015fman\u0131 Dr. \u00d6\u011fr. \u00dcyesi Sinan Ali\u015f<\/strong> rehberli\u011finde g\u00f6zlemleri yapan ve verileri indirgeyen Mustafa Turan Sa\u011flam, Meryem \u00c7\u00f6rd\u00fck, G\u00f6rkem \u00d6zg\u00fcl, Olcaytu\u011f \u00d6zg\u00fcll\u00fc, Fatih Erkam G\u00f6kt\u00fcrk<\/strong> ve Rahmi G\u00fcnd\u00fcz<\/strong>; g\u00f6zledikleri alandaki bir y\u0131ld\u0131z\u0131n parlakl\u0131\u011f\u0131n\u0131n de\u011fi\u015fti\u011fini fark ettiler.
\nDevam\u0131nda farkl\u0131 gecelerde y\u0131ld\u0131z\u0131n parlakl\u0131k de\u011fi\u015fimini<\/p>\n

takip ederek sonu\u00e7tan emin oldular.
\nYapt\u0131klar\u0131 g\u00f6zlem ve analizlerden olu\u015fan \u00e7al\u0131\u015fma, bilimsel bir makale olarak haz\u0131rland\u0131 ve T\u00fcrk Astronomi Derne\u011fi taraf\u0131ndan yay\u0131nlanan Turkish Journal of Astronomy and Astrophysics<\/em> (TJAA) adl\u0131 hakemli dergide yay\u0131nlanmaya kabul edildi.
\nAnalizler, yeni ke\u015ffedilen de\u011fi\u015fen y\u0131ld\u0131z\u0131n Delta Scuti t\u00fcr\u00fc bir zonklayan y\u0131ld\u0131z oldu\u011funu g\u00f6steriyor. I\u015f\u0131k de\u011fi\u015fimindeki karakterin yan\u0131 s\u0131ra, makine \u00f6\u011frenmesi teknikleri de bu y\u0131ld\u0131z\u0131n %78 olas\u0131l\u0131kla Delta Scuti t\u00fcr\u00fc bir zonklayan oldu\u011fu tespit edildi. I\u015f\u0131k e\u011frileri kullan\u0131larak yap\u0131lan frekans analizleri yakla\u015f\u0131k 0.95 saatlik bir de\u011fi\u015fimin belirlenmesinin yan\u0131 s\u0131ra de\u011fi\u015fim d\u00f6nemi ve t\u00fcr\u00fcn\u00fc kullanarak yap\u0131lan hesaplamalar, y\u0131ld\u0131z\u0131n k\u00fctlesinin G\u00fcne\u015f’in yakla\u015f\u0131k 1.5-1.7 kat\u0131 oldu\u011funun belirlenmesini sa\u011flad\u0131.<\/p>\n

 <\/p>\n

\"\"
\u015eekil 2. Ke\u015ffedilen de\u011fi\u015fen y\u0131ld\u0131z\u0131n \u201cClear\u201d filtresinde olu\u015fturulmu\u015f \u0131\u015f\u0131k e\u011frileri.<\/figcaption><\/figure>\n

Ara\u015ft\u0131rma ekibinde bulunan lisans son s\u0131n\u0131f \u00f6\u011frencisi Mustafa Turan Sa\u011flam \u201cBu ser\u00fcven, \u00f6zellikle ben ve ekip arkada\u015flar\u0131m\u0131n lisans seviyesinde denk gelebilece\u011fi \u00e7ok nadir olaylardand\u0131r. B\u00f6l\u00fcm\u00fczde bulunan teleskobumuz sayesinde g\u00f6zlem ko\u015fullar\u0131n\u0131n el verdi\u011fi her gece aktif olarak g\u00f6zlem yapmaya \u00f6zen g\u00f6sterdik. Bu tarz ke\u015fifler \u00f6zellikle de\u011fi\u015fen y\u0131ld\u0131zlar\u0131 \u00e7al\u0131\u015fan astronomlar ve astrofizik\u00e7iler i\u00e7in parlak ve k\u00fc\u00e7\u00fck bir ayna \u00e7ap\u0131na sahip teleskopla bile g\u00f6zlemlenebilecek nadir kaynaklardan.<\/em>\u201d dedi.<\/p>\n

Makaleye eri\u015fim i\u00e7in t\u0131klay\u0131n\u0131z<\/a>
\n<\/strong>G\u00f6zlemevi Uygulama ve Ara\u015ft\u0131rma Merkezi Web Sitesi<\/strong><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

\u0130stanbul \u00dcniversitesi G\u00f6zlemevi’nin Beyaz\u0131t Yerle\u015fkesinde bulunan IST40 Teleskobu lisans, y\u00fcksek lisans ve doktora \u00f6\u011frencileri taraf\u0131ndan e\u011fitim-ara\u015ft\u0131rma faaliyetlerinde aktif olarak kullan\u0131lmaktad\u0131r. Bilimsel detekt\u00f6r\u00fcn Aral\u0131k 2017’de yap\u0131lan ilk \u0131\u015f\u0131k g\u00f6zleminden beri programl\u0131 bi\u00e7imde g\u00f6zlemler s\u00fcrd\u00fcr\u00fclmektedir. Kovid-19 pandemisinin en etkin oldu\u011fu tarihlerde g\u00f6zlemlere ara verilse de, pandeminin etkinli\u011finin azalmas\u0131yla, kontroll\u00fc bi\u00e7imde bilimsel faaliyetler yeniden ba\u015flad\u0131. \u0130ST40 teleskobu bilimsel […]<\/p>\n","protected":false},"author":3715,"featured_media":55576,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[30,19],"tags":[8544,8545,3969,8543],"class_list":["post-55575","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-astronomi","category-bilim-gundemi","tag-degisen-yildiz","tag-ist40","tag-istanbul-universitesi","tag-sinan-alis"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t