The Japanese space gravitational wave antenna---DECIGO

doi:10.1088/0264-9381/23/8/S17

The Japanese space gravitational wave antenna—DECIGO

Seiji Kawamura et al 2006 Class. Quantum Grav. 23 S125-S131 doi: 10.1088/0264-9381/23/8/S17

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Seiji Kawamura¹, Takashi Nakamura², Masaki Ando³, Naoki Seto⁴, Kimio Tsubono³, Kenji Numata⁵, Ryuichi Takahashi¹, Shigeo Nagano⁶, Takehiko Ishikawa⁷, Mitsuru Musha⁸, Ken-ichi Ueda⁸, Takashi Sato⁹, Mizuhiko Hosokawa⁶, Kazuhiro Agatsuma³, Tomotada Akutsu³, Koh-suke Aoyanagi¹⁰, Koji Arai¹, Akito Araya¹¹, Hideki Asada¹², Yoichi Aso³, Takeshi Chiba¹³, Toshikazu Ebisuzaki¹⁴, Yoshiharu Eriguchi¹⁵, Masa-Katsu Fujimoto¹, Mitsuhiro Fukushima¹, Toshifumi Futamase¹⁶, Katsuhiko Ganzu², Tomohiro Harada², Tatsuaki Hashimoto¹⁷, Kazuhiro Hayama¹, Wataru Hikida¹⁸, Yoshiaki Himemoto³, Hisashi Hirabayashi¹⁷, Takashi Hiramatsu³, Kiyotomo Ichiki¹, Takeshi Ikegami¹⁹, Kaiki T Inoue²⁰, Kunihito Ioka², Koji Ishidoshiro³, Yousuke Itoh²¹, Shogo Kamagasako³, Nobuyuki Kanda²², Nobuki Kawashima²⁰, Hiroyuki Kirihara³, Kenta Kiuchi¹⁰, Shiho Kobayashi²³, Kazunori Kohri²⁴, Yasufumi Kojima²⁵, Keiko Kokeyama²⁶, Yoshihide Kozai²⁷, Hideaki Kudoh³, Hiroo Kunimori²⁸, Kazuaki Kuroda²⁹, Kei-ichi Maeda¹⁰, Hideo Matsuhara¹⁷, Yasushi Mino⁴, Osamu Miyakawa⁴, Shinji Miyoki²⁹, Hiromi Mizusawa³⁰, Toshiyuki Morisawa², Shinji Mukohyama³, Isao Naito³¹, Noriyasu Nakagawa³, Kouji Nakamura³¹, Hiroyuki Nakano²², Kenichi Nakao²², Atsushi Nishizawa³², Yoshito Niwa³², Choetsu Nozawa³⁰, Masatake Ohashi²⁹, Naoko Ohishi¹, Masashi Ohkawa⁹, Akira Okutomi³, Kenichi Oohara³⁰, Norichika Sago³³, Motoyuki Saijo³⁴, Masaaki Sakagami³², Shihori Sakata²⁶, Misao Sasaki¹⁸, Shuichi Sato¹, Masaru Shibata¹⁵, Hisaaki Shinkai³⁵, Kentaro Somiya³⁶, Hajime Sotani¹⁰, Naoshi Sugiyama¹, Hideyuki Tagoshi³³, Tadayuki Takahashi¹⁷, Hirotaka Takahashi³⁶, Ryutaro Takahashi¹, Tadashi Takano¹⁷, Takahiro Tanaka², Keisuke Taniguchi³⁷, Atsushi Taruya³, Hiroyuki Tashiro², Masao Tokunari³, Shinji Tsujikawa³, Yoshiki Tsunesada³⁸, Kazuhiro Yamamoto²⁹, Toshitaka Yamazaki¹, Jun'ichi Yokoyama³, Chul-Moon Yoo²², Shijun Yoshida¹⁰ and Taizoh Yoshino³⁹
¹ National Astronomical Observatory of Japan, Mitaka, Tokyo 181-8588, Japan
² Graduate School of Science, Kyoto University, Kyoto, Kyoto 606-8502, Japan
³ Graduate School of Science, The University of Tokyo, Bunkyo, Tokyo 113-0033, Japan
⁴ California Institute of Technology, M/C 130-33, Pasadena, CA 91125, USA
⁵ NASA Goddard Space Flight Center, Code 663, Greenbelt, MD 20771, USA
⁶ National Institute of Information and Communications Technology, Koganei, Tokyo 184-8795, Japan
⁷ Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, Tsukuba, Ibaraki 305-8505, Japan
⁸ Institute for Laser Science, The University of Electro-Communications, Chofu, Tokyo 182-8585, Japan
⁹ Faculty of Engineering, Niigata University, Niigata, Niigata 950-2181, Japan
¹⁰ Science and Engineering, Waseda University, Shinjuku, Tokyo 169-8555, Japan
¹¹ Earthquake Research Institute, The University of Tokyo, Bunkyo, Tokyo 113-0032, Japan
¹² Faculty of Science and Technology, Hirosaki University, Hirosaki, Aomori 036-8560, Japan
¹³ College of Humanities and Sciences, Nihon University Setagaya, Tokyo 156-8550, Japan
¹⁴ RIKEN, 2-1 Hirosawa Wako 351-0198, Japan
¹⁵ Graduate School of Arts and Science, The University of Tokyo, Komaba, Meguro, Tokyo 153-8902, Japan
¹⁶ Graduate School of Science, Tohoku University, Sendai 980-8578, Japan
¹⁷ Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, Sagamihara, Kanagawa 229-8510, Japan
¹⁸ Yukawa Institute for Theoretical Physics, Kyoto University, Kyoto, Kyoto 606-8502, Japan
¹⁹ National Institute of Advanced Industrial Science and Technology, Tsukuba, Ibaragi 305-8563, Japan
²⁰ School of Science and Engineering, Kinki University, Higashi-Osaka, Osaka 577-8502, Japan
²¹ University of Wisconsin–Milwaukee, Milwaukee, WI 53201-0413, USA
²² Graduate School of Science, Osaka City University, Osaka, Osaka 558-8585, Japan
²³ Astrophysics Research Institute, Liverpool John Moores University, Twelve Quays House, Egerton Wharf, Birkenhead L41 1LD, UK
²⁴ Harvard-Smithsonian Center for Astrophysics, Cambridge, MA 02138, USA
²⁵ Graduate School of Science, Hiroshima University, Higashi-hiroshima, Hiroshima 739-8526, Japan
²⁶ Graduate School of Humanities and Sciences, Ochanomizu University, Bunkyo, Tokyo 112-8610, Japan
²⁷ Gunma Astronomical Observatory, Agatsuma-gun, Gunma 377-0702, Japan
²⁸ National Institute of Information and Communications Technology, Bunkyo, Tokyo 113-0001, Japan
²⁹ Institute for Cosmic Ray Research, The University of Tokyo, Kashiwa, Chiba 277-8582, Japan
³⁰ Faculty of Science, Niigata University, Niigata, Niigata 950-2181, Japan
³¹ 1-30-25-1409 Numakage, Saitama-shi 336-0027, Japan
³² Faculty of Intergrated Human Studies, Kyoto University, Kyoto, Kyoto 606-8501, Japan
³³ Graduate School of Science, Osaka University, Toyonaka, Osaka 560-0043, Japan
³⁴ Observatoire de Paris—Section de Meudon, 5, Place Jules Janssen 92195 Meudon Cedex, France
³⁵ The INAMORI foundation, Kyoto, Kyoto 600-8411, Japan
³⁶ Max Planck Institute for Gravitational Physics, Am Muehlenberg 1, D-14476 Potsdam, Germany
³⁷ Department of Physics, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
³⁸ Graduate School of Science and Engineering, Tokyo Institute of Technology, Ookayama, Meguro, Tokyo 152-8550, Japan
³⁹ Nakamura-minami, Nerima, Tokyo 176-0025, Japan
E-mail: seiji.kawamura@nao.ac.jp

Abstract. DECi-hertz Interferometer Gravitational wave Observatory (DECIGO) is the future Japanese space gravitational wave antenna. It aims at detecting various kinds of gravitational waves between 1 mHz and 100 Hz frequently enough to open a new window of observation for gravitational wave astronomy. The pre-conceptual design of DECIGO consists of three drag-free satellites, 1000 km apart from each other, whose relative displacements are measured by a Fabry–Perot Michelson interferometer. We plan to launch DECIGO in 2024 after a long and intense development phase, including two pathfinder missions for verification of required technologies.

PACS number: 04.80.Nn

Print publication: Issue 8 (21 April 2006)
Received 3 October 2005, in final form 9 December 2005
Published 28 March 2006

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The Japanese space gravitational wave antenna—DECIGO

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