DECIGO: THE JAPANESE SPACE GRAVITATIONAL WAVE ANTENNA

Keisuke Taniguchi,Takahiro Tanaka,Yoshiharu Eriguchi,Wataru Hikida,K Hayama,T Hashimoto,Masaaki Sakagami,Hiroo Kunimori,Hitoshi Kuninaka,Hiroyuki Kirihara,Motoyuki Saijo,Norichika Sago,Shinji Tsujikawa,Morio Toyoshima,Masao Tokunari,Hideaki Kudoh,Fenglei Hong,M Fujimoto,Kenichi Oohara,Kouji Onozato,Mitsuru Tokuda,Hiroyuki Tashiro,Atsushi Taruya, K Somiya,Isao Naito,N Nakagawa,Kouji Nakamura,Hiroyuki Nakano,F Kawazoe,Nobuki Kawashima,Shogo Kamagasako,Y Itoh,Shigeo Nagano,Kenichi Nakao,Mizuhiko Hosokawa,Takehiko Ishikawa,Shinichi Nakasuka,Yoshinori Nakayama,E Nishida,Kazutaka Nishiyama,M Fukushima,Toshifumi Futamase,A Nishizawa,Tomohiro Harada,Katsuhiko Ganzu,Y Niwa,Masatake Ohashi,N Ohishi,Masashi Ohkawa,Hisaaki Shinkai,Hideo Matsuhara,Shuichi Sato,Yoichi Aso,M Morimoto,Masaru Shibata,Kenta Kiuchi,K Agatsuma,Tomomi Akutsu,K Inoue,Takeshi Ikegami,Ryuichi Takahashi, Hiroyuki Ito,K Ishidoshiro,Kunihito Ioka,Mitsuru Musha,Kenichi Ueda,Ikkoh Funaki,Shigenori Moriwaki,Takeshi Takashima,Shinichiro Sakai,Takashi Sato,Werner Klaus,Akira Okutomi,Yasushi Mino,Shiho Kobayashi,Kenji Numata,Kimio Tsubono,Kazunori Kohri,Hiroyuki Koizumi,Yasufumi Kojima,K Kokeyama,Wataru Kokuyama,Kei Kotake,Yoshihide Kozai,Naoko Kishimoto,Taizoh Yoshino,Naoki Seto,Takashi Nakamura,Seiji Kawamura,Masaki Ando,Tadayuki Takahashi,Hideyuki Tagoshi,Naoshi Sugiyama,Shinji Mukohyama,Toshiyuki Morisawa,Tomoko Morioka,Shinji Miyoki,O Miyakawa, Junichi Miura,Hajime Sotani,Shijun Yoshida,Nobuyuki Kanda,Chulmoon Yoo,Keiichi Maeda,Kazuaki Kuroda,Kohsuke Aoyanagi,Koji Arai, Yuta Arase,Akito Araya,Hideki Asada,Takeshi Chiba,Kiyotomo Ichiki,Hideyuki Horisawa,Toshikazu Ebisuzaki,Junichi Yokoyama,Takashi Hiramatsu,Hisashi Hirabayashi,T Yamazaki,Kazuhiro Yamamoto,Hiroshi Yamakawa,T Takano,Takamori Akiteru,Hirotaka Takahashi,Kakeru Takahashi,Masayoshi Utashima,Misao Sasaki,S Sakata,Yoshiaki Himemoto,Y Tsunesada,Motohiro Enoki

Journal of Physics: Conference Series（2008）

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摘要

DECi-hertz Interferometer Gravitational wave Observatory (DECIGO) is the planned Japanese space gravitational wave antenna, aiming to detect gravitational waves from astrophysically and cosmologically significant sources mainly between 0.1 Hz and 10 Hz and thus to open a new window for gravitational wave astronomy and for the universe. DECIGO will consist of three drag-free spacecraft, 1000 km apart from each other, whose relative displacements are measured by a differential Fabry-Perot interferometer. We plan to launch DECIGO in middle of 2020s, after sequence of two precursor satellite missions, DECIGO pathfinder and Pre-DECIGO, for technology demonstration required to realize DECIGO and hopefully for detection of gravitational waves from our galaxy or nearby galaxies.

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关键词

fabry perot interferometer,gravitational wave,space missions,conceptual design

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