Current status of space gravitational wave antenna DECIGO and B-DECIGO
Creators: name: Kawamura, Seiji
name: Ando, Masaki
name: Seto, Naoki
name: Sato, Shuichi
name: Musha, Mitsuru
name: Kawano, Isao
name: Yokoyama, Jun’ichi
name: Tanaka, Takahiro
name: Ioka, Kunihito
name: Akutsu, Tomotada
name: Takashima, Takeshi
name: Agatsuma, Kazuhiro
name: Araya, Akito
name: Aritomi, Naoki
name: Asada, Hideki
name: Chiba, Takeshi
name: Eguchi, Satoshi
name: Enoki, Motohiro
name: Fujimoto, Masa-Katsu
name: Fujita, Ryuichi
name: Futamase, Toshifumi
name: Harada, Tomohiro
name: Hayama, Kazuhiro
name: Himemoto, Yoshiaki
name: Hiramatsu, Takashi
name: Hong, Feng-Lei
name: Hosokawa, Mizuhiko
name: Ichiki, Kiyotomo
name: Ikari, Satoshi
name: Ishihara, Hideki
name: Ishikawa, Tomohiro
name: Itoh, Yousuke
name: Ito, Takahiro
name: Iwaguchi, Shoki
name: Izumi, Kiwamu
name: Kanda, Nobuyuki
name: Kanemura, Shinya
name: Kawazoe, Fumiko
name: Kobayashi, Shiho
name: Kohri, Kazunori
name: Kojima, Yasufumi
name: Kokeyama, Keiko
name: Kotake, Kei
name: Kuroyanagi, Sachiko
name: Maeda, Kei-Ichi
name: Matsushita, Shuhei
name: Michimura, Yuta
name: Morimoto, Taigen
name: Mukohyama, Shinji
name: Nagano, Koji
name: Nagano, Shigeo
name: Naito, Takeo
name: Nakamura, Kouji
name: Nakamura, Takashi
name: Nakano, Hiroyuki
name: Nakao, Kenichi
name: Nakasuka, Shinichi
name: Nakayama, Yoshinori
name: Nakazawa, Kazuhiro
name: Nishizawa, Atsushi
name: Ohkawa, Masashi
name: Oohara, Kenichi
name: Sago, Norichika
name: Saijo, Motoyuki
name: Sakagami, Masaaki
name: Sakai, Shin-Ichiro
name: Sato, Takashi
name: Shibata, Masaru
name: Shinkai, Hisaaki
name: Shoda, Ayaka
name: Somiya, Kentaro
name: Sotani, Hajime
name: Takahashi, Ryutaro
name: Takahashi, Hirotaka
name: Akiteru, Takamori
name: Taniguchi, Keisuke
name: Taruya, Atsushi
name: Tsubono, Kimio
name: Tsujikawa, Shinji
name: Ueda, Akitoshi
name: Ueda, Ken-Ichi
name: Watanabe, Izumi
name: Yagi, Kent
name: Yamada, Rika
name: Yokoyama, Shuichiro
name: Yoo, Chul-Moon
name: Zhu, Zong-Hong
Publisher: name: Oxford : Oxford Univ. Press
Year: 2021
Subjects: subject: F30 Instrumentation and technique
subject: F31 Expectation and estimation of gravitational radiation
subject: Dewey Decimal Classification::500 | Naturwissenschaften::530 | Physik

description: The Deci-hertz Interferometer Gravitational Wave Observatory (DECIGO) is a future Japanese space mission with a frequency band of 0.1 Hz to 10 Hz. DECIGO aims at the detection of primordial gravitational waves, which could have been produced during the inflationary period right after the birth of the Universe. There are many other scientific objectives of DECIGO, including the direct measurement of the acceleration of the expansion of the Universe, and reliable and accurate predictions of the timing and locations of neutron star/black hole binary coalescences. DECIGO consists of four clusters of observatories placed in heliocentric orbit. Each cluster consists of three spacecraft, which form three Fabry-Pérot Michelson interferometers with an arm length of 1000 km. Three DECIGO clusters will be placed far from each other, and the fourth will be placed in the same position as one of the other three to obtain correlation signals for the detection of primordial gravitational waves. We plan to launch B-DECIGO, which is a scientific pathfinder for DECIGO, before DECIGO in the 2030s to demonstrate the technologies required for DECIGO, as well as to obtain fruitful scientific results to further expand multi-messenger astronomy.