نوع مقاله : مقاله مروری
نویسنده
پژوهشکده نجوم، پژوهشگاه دانش‌های بنیادی، تهران
چکیده
سیاه‌چاله‌های اخترفیزیکی، سیاه‌چاله کِر نسبیت عام فرض شده‌اند؛ ولی مشاهدات مستقیمی برای اثبات آنها وجود ندارد. با مطالعۀ تابش الکترومغناطیسی اطراف این سیاه‌چاله‌ها می‌توان به آزمون هندسۀ فضا زمان آنها پرداخت. در این مقالۀ مروری، انحراف از حل کِر نسبیت عام برای آزمون گرانش قوی نسبیت عام را در نظر می‌گیریم. ما تکنیک‌های سیاه‌چاله، طیف‌سنجی خط بازتابی پرتو ایکس، نگاشت طنین خط‌آهن، نوسان‌های شبه‌دوره‌ای و روش برازش پیوستار را به کار گرفته و سعی در حل مشکل تبهگنی داریم.
کلیدواژه‌ها
موضوعات
عنوان مقاله [English]
Review of testing black hole candidates with electromagnetic radiation
نویسنده [English]
- Masoumeh Ghasemi Nodehi
School of Astronomy, Institute for Research in Fundamental Sciences, 19395-5531 Tehran, Iran
چکیده [English]
Astrophysical black holes are thought to be Kerr solution of general relativity but there is not yet observational evidence to prove them. One can study the emission of electromagnetic waves around them to test their geometry of space time. In this review article, we consider the deviation from Kerr solution to test the strong gravity regime of General Relativity. We introduce and employ black hole shadow, X-ray reflection spectroscopy, iron line reverberation mapping, quasi-periodic oscillations, and continuum-fitting method to solve the degeneracy problem.
کلیدواژه‌ها [English]
- general relativity
- testing general relativity
- astrophysical black holes
- electromagnetic radiation
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