TSUBAME: toward the Frontier of X-ray/Gamma-ray Polarimetry in Astronomy
スポンサーリンク
概要
- 論文の詳細を見る
“TSUBAME” is a university-built small satellite mission to measure polarization of hard X-ray photons (30-200 keV) from gamma-ray bursts (GRBs) using azimuthal anisotropy of Compton-scattered photons. Polarimetry in the hard X-ray and soft γ-ray bands should provide crucial information for understanding the high-energy emission mechanisms and the distribution of magnetic fields and radiation fields in the astrophysical sources. TSUBAME has two instruments: the Wide-field Burst Monitor (WBM) and the Hard X-ray Compton Polarimeter (HXCP). The WBM determines on board the direction of the burst occurrence with an accuracy of 10 degrees, then using a high speed attitude control device, the HXCP is pointed to the GRB within 15 seconds after the burst occurrence to promptly detect polarized X-ray photons from the GRB. We present an overview of the TSUBAME mission, its estimated scientific capability for detecting GRBs and measuring their X-ray polarization, development of multi-anode photomultiplier tubes that use ultra bi-alkali photocathodes, and the future plans of this mission.
著者
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KAWAI Nobuyuki
Department of Neurological Surgery, Kagawa University Faculty of Medicine
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TOIZUMI Takahiro
Department of Physics, Faculty of Science, Tokyo Institute of Technology
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KATAOKA Jun
Department of Physics, Faculty of Science, Tokyo Institute of Technology
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TSUBUKU Yoshihiro
Department of Physics, Faculty of Science, Tokyo Institute of Technology
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KOBAYASHI Mitsuyoshi
Department of Physics, Faculty of Science, Tokyo Institute of Technology
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YATSU Yoichi
Department of Physics, Faculty of Science, Tokyo Institute of Technology
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ARIMOTO Makoto
Department of Physics, Faculty of Science, Tokyo Institute of Technology
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SHIMOKAWABE Takashi
Department of Physics, Faculty of Science, Tokyo Institute of Technology
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OMAGARI Kuniyuki
Department of Mechanical and Aerospace Engineering,, Tokyo Institute of Technology
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FUJIWARA Ken
Department of Mechanical and Aerospace Engineering,, Tokyo Institute of Technology
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ASHIDA Hiroki
Department of Mechanical and Aerospace Engineering,, Tokyo Institute of Technology
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NISHIDA Junichi
Department of Mechanical and Aerospace Engineering,, Tokyo Institute of Technology
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FUJIHASHI Kota
Department of Mechanical and Aerospace Engineering,, Tokyo Institute of Technology
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INAGAWA Shinich
Department of Mechanical and Aerospace Engineering,, Tokyo Institute of Technology
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MIURA Yoshiyuki
Department of Mechanical and Aerospace Engineering,, Tokyo Institute of Technology
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MATSUNAGA Saburo
Department of Mechanical and Aerospace Engineering,, Tokyo Institute of Technology
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