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Proceedings Article

LiteBIRD: mission overview and design tradeoffs

[+] Author Affiliations
T. Matsumura, H. Fuke, I. Kawano, H. Matsuhara, K. Mitsuda, T. Nishibori, K. Nishijo, A. Noda, S. Sakai, Y. Sato, K. Shinozaki, H. Sugita, Y. Takei, T. Wada, N. Yamasaki, T. Yoshida, K. Yotsumoto

Japan Aerospace Exploration Agency (Japan)

Y. Akiba, M. Hazumi, Y. Inoue, H. Ishitsuka, Y. Segawa, H. Watanabe

The Graduate Univ. for Advanced Studies (Japan)

J. Borrill

Lawrence Berkeley National Lab. (United States)

Y. Chinone, M. Hasegawa, K. Hattori, Y. Hori, N. Kimura, H. Morii, R. Nagata, S. Oguri, N. Sato, T. Suzuki, O. Tajima, T. Tomaru, H. Yamaguchi, M. Yoshida

High Energy Accelerator Research Organization (Japan)

M Dobbs

McGill Univ. (Canada)

M. Hattori

Canadian Institute for Advanced Research (Canada)

W. Holzapfel, A. Lee, P. Richards, A. Suzuki

Univ. of California, Berkeley (United States)

J. Inatani, K. Karatsu, S. Kashima, T. Noguchi, Y. Sekimoto

National Astronomical Observatory of Japan (Japan)

M. Inoue, K. Kimura, M. Kozu, H. Ogawa, N. Okada

Osaka Prefecture Univ. (Japan)

K. Ishidoshiro, T. Morishima

Tohoku Univ. (Japan)

H. Ishino, A. Kibayashi, Y. Kibe, Y. Yamada

Okayama Univ. (Japan)

N. Katayama, H. Nishino

Kavli Institute for the Physics and Mathematics of the Universe (Japan)

E. Komatsu

Max-Planck-Institut für Astrophysik (Germany)

K. Koga, S. Mima, C. Otani

RIKEN (Japan)

K. Mizukami, S. Nakamura, K. Natsume

Yokohama National Univ. (Japan)

M. Nagai

Univ. of Tsukuba (Japan)

M. Naruse

Saitama Univ. (Japan)

T. Namikawa

Kyoto Univ. (Japan)

I. S. Ohta

Konan Univ. (Japan)

S. Takada

National Institute for Fusion Science (Japan)

S. Takakura

Osaka Univ. (Japan)

Y. Uzawa

National Institute of Information and Communications Technology (Japan)

Proc. SPIE 9143, Space Telescopes and Instrumentation 2014: Optical, Infrared, and Millimeter Wave, 91431F (August 2, 2014); doi:10.1117/12.2055794
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From Conference Volume 9143

  • Space Telescopes and Instrumentation 2014: Optical, Infrared, and Millimeter Wave
  • Jacobus M. Oschmann; Mark Clampin; Giovanni G. Fazio; Howard A. MacEwen
  • Montréal, Quebec, Canada | June 22, 2014

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. © (2014) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Citation

T. Matsumura ; Y. Akiba ; J. Borrill ; Y. Chinone ; M Dobbs, et al.
" LiteBIRD: mission overview and design tradeoffs ", Proc. SPIE 9143, Space Telescopes and Instrumentation 2014: Optical, Infrared, and Millimeter Wave, 91431F (August 2, 2014); doi:10.1117/12.2055794; http://dx.doi.org/10.1117/12.2055794


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