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Proceedings Paper

LiteBIRD: mission overview and design tradeoffs
Author(s): T. Matsumura; Y. Akiba; J. Borrill; Y. Chinone; M Dobbs; H. Fuke; M. Hasegawa; K. Hattori; M. Hattori; M. Hazumi; W. Holzapfel; Y. Hori; J. Inatani; M. Inoue; Y. Inoue; K. Ishidoshiro; H. Ishino; H. Ishitsuka; K. Karatsu; S. Kashima; N. Katayama; I. Kawano; A. Kibayashi; Y. Kibe; K. Kimura; N. Kimura; E. Komatsu; M. Kozu; K. Koga; A. Lee; H. Matsuhara; S. Mima; K. Mitsuda; K. Mizukami; H. Morii; T. Morishima; M. Nagai; R. Nagata; S. Nakamura; M. Naruse; T. Namikawa; K. Natsume; T. Nishibori; K. Nishijo; H. Nishino; A. Noda; T. Noguchi; H. Ogawa; S. Oguri; I. S. Ohta; N. Okada; C. Otani; P. Richards; S. Sakai; N. Sato; Y. Sato; Y. Segawa; Y. Sekimoto; K. Shinozaki; H. Sugita; A. Suzuki; T. Suzuki; O. Tajima; S. Takada; S. Takakura; Y. Takei; T. Tomaru; Y. Uzawa; T. Wada; H. Watanabe; Y. Yamada; H. Yamaguchi; N. Yamasaki; M. Yoshida; T. Yoshida; K. Yotsumoto
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Paper Abstract

We present the mission design of LiteBIRD, a next generation satellite for the study of B-mode polarization and inflation from cosmic microwave background radiation (CMB) detection. The science goal of LiteBIRD is to measure the CMB polarization with the sensitivity of δr = 0:001, and this allows testing the major single-field slow-roll inflation models experimentally. The LiteBIRD instrumental design is purely driven to achieve this goal. At the earlier stage of the mission design, several key instrumental specifications, e.g. observing band, optical system, scan strategy, and orbit, need to be defined in order to process the rest of the detailed design. We have gone through the feasibility studies for these items in order to understand the tradeoffs between the requirements from the science goal and the compatibilities with a satellite bus system. We describe the overview of LiteBIRD and discuss the tradeoffs among the choices of scientific instrumental specifications and strategies. The first round of feasibility studies will be completed by the end of year 2014 to be ready for the mission definition review and the target launch date is in early 2020s.

Paper Details

Date Published: 2 August 2014
PDF: 8 pages
Proc. SPIE 9143, Space Telescopes and Instrumentation 2014: Optical, Infrared, and Millimeter Wave, 91431F (2 August 2014); doi: 10.1117/12.2055794
Show Author Affiliations
T. Matsumura, Japan Aerospace Exploration Agency (Japan)
Y. Akiba, The Graduate Univ. for Advanced Studies (Japan)
J. Borrill, Lawrence Berkeley National Lab. (United States)
Tohoku Univ. (Japan)
Y. Chinone, High Energy Accelerator Research Organization (Japan)
M Dobbs, McGill Univ. (Canada)
Canadian Institute for Advanced Research (Canada)
H. Fuke, Japan Aerospace Exploration Agency (Japan)
M. Hasegawa, High Energy Accelerator Research Organization (Japan)
K. Hattori, High Energy Accelerator Research Organization (Japan)
M. Hattori, Canadian Institute for Advanced Research (Canada)
M. Hazumi, The Graduate Univ. for Advanced Studies (Japan)
High Energy Accelerator Research Organization (Japan)
Kavli Institute for the Physics and Mathematics of the Universe (Japan)
W. Holzapfel, Univ. of California, Berkeley (United States)
Y. Hori, High Energy Accelerator Research Organization (Japan)
J. Inatani, National Astronomical Observatory of Japan (Japan)
M. Inoue, Osaka Prefecture Univ. (Japan)
Y. Inoue, The Graduate Univ. for Advanced Studies (Japan)
K. Ishidoshiro, Tohoku Univ. (Japan)
H. Ishino, Okayama Univ. (Japan)
H. Ishitsuka, The Graduate Univ. for Advanced Studies (Japan)
K. Karatsu, National Astronomical Observatory of Japan (Japan)
S. Kashima, National Astronomical Observatory of Japan (Japan)
N. Katayama, Kavli Institute for the Physics and Mathematics of the Universe (Japan)
I. Kawano, Japan Aerospace Exploration Agency (Japan)
A. Kibayashi, Okayama Univ. (Japan)
Y. Kibe, Okayama Univ. (Japan)
K. Kimura, Osaka Prefecture Univ. (Japan)
N. Kimura, High Energy Accelerator Research Organization (Japan)
E. Komatsu, Max-Planck-Institut für Astrophysik (Germany)
M. Kozu, Osaka Prefecture Univ. (Japan)
K. Koga, RIKEN (Japan)
A. Lee, Univ. of California, Berkeley (United States)
H. Matsuhara, Japan Aerospace Exploration Agency (Japan)
S. Mima, RIKEN (Japan)
K. Mitsuda, Japan Aerospace Exploration Agency (Japan)
K. Mizukami, Yokohama National Univ. (Japan)
H. Morii, High Energy Accelerator Research Organization (Japan)
T. Morishima, Tohoku Univ. (Japan)
M. Nagai, Univ. of Tsukuba (Japan)
R. Nagata, High Energy Accelerator Research Organization (Japan)
S. Nakamura, Yokohama National Univ. (Japan)
M. Naruse, Saitama Univ. (Japan)
T. Namikawa, Kyoto Univ. (Japan)
K. Natsume, Yokohama National Univ. (Japan)
T. Nishibori, Japan Aerospace Exploration Agency (Japan)
K. Nishijo, Japan Aerospace Exploration Agency (Japan)
H. Nishino, Kavli Institute for the Physics and Mathematics of the Universe (Japan)
A. Noda, Japan Aerospace Exploration Agency (Japan)
T. Noguchi, National Astronomical Observatory of Japan (Japan)
H. Ogawa, Osaka Prefecture Univ. (Japan)
S. Oguri, High Energy Accelerator Research Organization (Japan)
I. S. Ohta, Konan Univ. (Japan)
N. Okada, Osaka Prefecture Univ. (Japan)
C. Otani, RIKEN (Japan)
P. Richards, Univ. of California, Berkeley (United States)
S. Sakai, Japan Aerospace Exploration Agency (Japan)
N. Sato, High Energy Accelerator Research Organization (Japan)
Y. Sato, Japan Aerospace Exploration Agency (Japan)
Y. Segawa, The Graduate Univ. for Advanced Studies (Japan)
Y. Sekimoto, National Astronomical Observatory of Japan (Japan)
K. Shinozaki, Japan Aerospace Exploration Agency (Japan)
H. Sugita, Japan Aerospace Exploration Agency (Japan)
A. Suzuki, Univ. of California, Berkeley (United States)
T. Suzuki, High Energy Accelerator Research Organization (Japan)
O. Tajima, High Energy Accelerator Research Organization (Japan)
S. Takada, National Institute for Fusion Science (Japan)
S. Takakura, Osaka Univ. (Japan)
Y. Takei, Japan Aerospace Exploration Agency (Japan)
T. Tomaru, High Energy Accelerator Research Organization (Japan)
Y. Uzawa, National Institute of Information and Communications Technology (Japan)
T. Wada, Japan Aerospace Exploration Agency (Japan)
H. Watanabe, The Graduate Univ. for Advanced Studies (Japan)
Y. Yamada, Okayama Univ. (Japan)
H. Yamaguchi, High Energy Accelerator Research Organization (Japan)
N. Yamasaki, Japan Aerospace Exploration Agency (Japan)
M. Yoshida, High Energy Accelerator Research Organization (Japan)
T. Yoshida, Japan Aerospace Exploration Agency (Japan)
K. Yotsumoto, Japan Aerospace Exploration Agency (Japan)


Published in SPIE Proceedings Vol. 9143:
Space Telescopes and Instrumentation 2014: Optical, Infrared, and Millimeter Wave
Jacobus M. Oschmann; Mark Clampin; Giovanni G. Fazio; Howard A. MacEwen, Editor(s)

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