2 August 2014 LiteBIRD: mission overview and design tradeoffs
Author Affiliations +
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.
T. Matsumura, T. Matsumura, Y. Akiba, Y. Akiba, J. Borrill, J. Borrill, Y. Chinone, Y. Chinone, M Dobbs, M Dobbs, H. Fuke, H. Fuke, M. Hasegawa, M. Hasegawa, K. Hattori, K. Hattori, M. Hattori, M. Hattori, M. Hazumi, M. Hazumi, W. Holzapfel, W. Holzapfel, Y. Hori, Y. Hori, J. Inatani, J. Inatani, M. Inoue, M. Inoue, Y. Inoue, Y. Inoue, K. Ishidoshiro, K. Ishidoshiro, H. Ishino, H. Ishino, H. Ishitsuka, H. Ishitsuka, K. Karatsu, K. Karatsu, S. Kashima, S. Kashima, N. Katayama, N. Katayama, I. Kawano, I. Kawano, A. Kibayashi, A. Kibayashi, Y. Kibe, Y. Kibe, K. Kimura, K. Kimura, N. Kimura, N. Kimura, E. Komatsu, E. Komatsu, M. Kozu, M. Kozu, K. Koga, K. Koga, A. Lee, A. Lee, H. Matsuhara, H. Matsuhara, S. Mima, S. Mima, K. Mitsuda, K. Mitsuda, K. Mizukami, K. Mizukami, H. Morii, H. Morii, T. Morishima, T. Morishima, M. Nagai, M. Nagai, R. Nagata, R. Nagata, S. Nakamura, S. Nakamura, M. Naruse, M. Naruse, T. Namikawa, T. Namikawa, K. Natsume, K. Natsume, T. Nishibori, T. Nishibori, K. Nishijo, K. Nishijo, H. Nishino, H. Nishino, A. Noda, A. Noda, T. Noguchi, T. Noguchi, H. Ogawa, H. Ogawa, S. Oguri, S. Oguri, I. S. Ohta, I. S. Ohta, N. Okada, N. Okada, C. Otani, C. Otani, P. Richards, P. Richards, S. Sakai, S. Sakai, N. Sato, N. Sato, Y. Sato, Y. Sato, Y. Segawa, Y. Segawa, Y. Sekimoto, Y. Sekimoto, K. Shinozaki, K. Shinozaki, H. Sugita, H. Sugita, A. Suzuki, A. Suzuki, T. Suzuki, T. Suzuki, O. Tajima, O. Tajima, S. Takada, S. Takada, S. Takakura, S. Takakura, Y. Takei, Y. Takei, T. Tomaru, T. Tomaru, Y. Uzawa, Y. Uzawa, T. Wada, T. Wada, H. Watanabe, H. Watanabe, Y. Yamada, Y. Yamada, H. Yamaguchi, H. Yamaguchi, N. Yamasaki, N. Yamasaki, M. Yoshida, M. Yoshida, T. Yoshida, T. Yoshida, K. Yotsumoto, K. Yotsumoto, } "LiteBIRD: mission overview and design tradeoffs", Proc. SPIE 9143, Space Telescopes and Instrumentation 2014: Optical, Infrared, and Millimeter Wave, 91431F (2 August 2014); doi: 10.1117/12.2055794; https://doi.org/10.1117/12.2055794


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