2010 Fiscal Year Final Research Report
Deciphering the Ancient Universe with Optical and Near Infrared Afterglow of Gamma-Ray Bursts
| Project Area | Deciphering the Ancient Universe with Gamma-Ray Bursts |
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| Project/Area Number |
19047003
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| Research Category |
Grant-in-Aid for Scientific Research on Priority Areas
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| Allocation Type | Single-year Grants |
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| Review Section |
Science and Engineering
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| Research Institution | Kyoto University |
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Principal Investigator |
OHTA Kouji 京都大学, 大学院・理学研究科, 教授 (50221825)
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| Co-Investigator(Kenkyū-buntansha) |
YAMADA Toru 東北大学, 大学院・理学研究科, 教授 (90271519)
YOSHIDA Michitoshi 広島大学, 宇宙科学センター, 教授 (90270446)
YANAGISAWA Kenshi 国立天文台, 岡山天体物理観測所, 助教 (90311183)
YONETOKU Daisuke 金沢大学, 数物科学系, 助教 (40345608)
HATTORI Takashi 国立天文台, ハワイ観測所, RCUH職員 (40450192)
MATSUHARA Hideo 宇宙科学研究所, 教授 (30219464)
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| Co-Investigator(Renkei-kenkyūsha) |
TOTANI Tomonori 京都大学, 大学院・理学研究科, 准教授 (90321588)
AOKI Kentaro 国立天文台台, ハワイ観測所, RCUH職員 (70413953)
WATANABE Junichi 国立天文台, 教授 (50201190)
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| Project Period (FY) |
2007 – 2010
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| Keywords | ガンマ線バースト / 天体形成史 / 銀河形成進化 / 宇宙再電離 / 初代星 / 重元素進化 / 光赤外線天文学 |
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| Research Abstract |
We developed optical and near infrared small/intermediate telescopes to make a rapid imaging observations of gamma-ray burst afterglows, aiming at exploring the Universe at cosmic age of 0.2-1 billion years by using gamma-ray bursts as a probe. We also improved the instruments for Subaru telescope to achieve efficient follow-up observations of candidates of distant gamma-ray bursts. In 2009, we detected the gamma-ray burst afterglow exploded at cosmic age of 0.6 billion years. This broke the distance record, and proved the feasibility of this study. In addition, we studied related subjects such as gamma-ray burst host galaxies, nature of supernova explosions, and evolution of galaxies at the early Universe.
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[Presentation]2009
Author(s)
青木賢太郎、他
Organizer
日本天文学会
Place of Presentation
堺市
Year and Date
2009-03-27
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