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タムラ タダヒサ
Tamura Tadahisa 田村 忠久 所属 神奈川大学 工学部 応用物理学科 神奈川大学大学院 工学研究科 工学専攻(応用物理学領域) 職種 教授 |
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言語種別 | 英語 |
発行・発表の年月 | 2022/07 |
形態種別 | 学術雑誌 |
査読 | 査読あり |
標題 | CALET Search for Electromagnetic Counterparts of Gravitational Waves during the LIGO/Virgo O3 Run |
執筆形態 | 共著 |
掲載誌名 | The Astrophysical Journal |
掲載区分 | 国外 |
出版社・発行元 | The American Astronomical Society |
巻・号・頁 | 933(85),pp.1-16 |
著者・共著者 | O. Adriani, et al. |
概要 | The CALorimetric Electron Telescope (CALET) on the International Space Station consists of a high-energy cosmic-ray CALorimeter (CAL) and a lower-energy CALET Gamma-ray Burst Monitor (CGBM). CAL is sensitive to electrons up to 20 TeV, cosmic-ray nuclei from Z = 1 through Z~40, and gamma rays over the range 1 GeV - 10 TeV. CGBM observes gamma rays from 7 keV to 20 MeV. The combined CAL-CGBM instrument has conducted a search for gamma-ray bursts since 2015 October. We report here on the results of a search for X-ray/gamma-ray counterparts to gravitational-wave events reported during the LIGO/Virgo observing run O3. No events have been detected that pass all acceptance criteria. We describe the components, performance, and triggering algorithms of the CGBM and the high-energy CAL consisting of a charge detection module, imaging calorimeter, and the fully active total absorption calorimeter. The analysis procedure is described and upper limits to the time-averaged fluxes are presented. |