日本首次發現快速電波爆發,中興物理橋本哲也教授功不可沒
The first detection of a fast radio burst in Japan
日本東京大學池邊蒼太與國立中興大學橋本哲也教授的國際合作研究團隊,利用在JAXA 臼田宇宙空間観測所的64米無線電望遠鏡(圖中)探測到一道明亮且神祕的快速電波爆發(FRB; 左圖),這是日本首次發現FRB。這個FBR訊號來自於一個距離15億光年的星系,FRB就像宇宙中神祕的電波煙火,其產生的原因尚未確定。國立中興大學助理教授、研究論文作者橋本哲也(右圖)說:「探索FRB的起源是令人興奮的,因為每天都有1000多個未被人注意的神祕的煙火發生在天空中。能參與這個現代天文學中最重要的任務,我感到非常榮幸。 而且即使是一台80年代的電波望遠鏡也能進行這項尖端科學天文學研究,這也令我非常驚訝。」
A team of Japanese researchers, including Sota Ikebe at the University of Tokyo and Tetsuya Hashimoto at National Chung Hsing University, detected a bright, mysterious fast radio burst (FRB; Figure left) using a 64m radio telescope (Figure middle) at the Usuda Deep Space Center/JAXA. This is the first detection of an FRB in Japan, and the burst came from a galaxy at a distance of 1.5 billion light years. FRBs are like mysterious radio fireworks in the Universe, and their origins are yet unknown. “Uncovering the origin of FRBs is exciting because more than 1000 mysterious fireworks are happening daily in the sky, which no one had noticed before. It is my honor to work on one of the most important missions in modern astronomy,” says Tetsuya Hashimoto (Figure right), an Assistant Professor at National Chung Hsing University and an author of the research paper. “It was my big surprise that even an old radio telescope could conduct cutting-edge science in astronomy.”
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https://www.s.u-tokyo.ac.jp/en/press/2023/8249/