FFAST mission to study the evolution of the universe in hard x-ray

Hiroshi Tsunemi; Hideyo Kunieda; Masayuki Itoh; Shinji Mitani; Isao Kawano; Masanobu Ozaki; Koji Mori; Yoshihiro Ueda

doi:10.1117/12.925096

17 September 2012 FFAST mission to study the evolution of the universe in hard x-ray

Hiroshi Tsunemi, Hideyo Kunieda, Masayuki Itoh, Shinji Mitani, Isao Kawano, Masanobu Ozaki, Koji Mori, Yoshihiro Ueda

Author Affiliations +

Proceedings Volume 8443, Space Telescopes and Instrumentation 2012: Ultraviolet to Gamma Ray; 844314 (2012) https://doi.org/10.1117/12.925096
Event: SPIE Astronomical Telescopes + Instrumentation, 2012, Amsterdam, Netherlands

Abstract

A “formation flight astronomical survey telescope” (FFAST) is a new project that will cover a large sky area in hard X-ray. In particular, it will focus on the energy range up to 80 keV. It consists of two small satellites that will go in a formation flight. One is an X-ray telescope satellite carrying a “super mirror” and the other is a detector satellite carrying an SDCCD. Two satellites are put into a low earth orbit. They are in a formation flight with a separation of 20 m. Since two satellites are put into Keplerian orbit, the observation direction is moving the sky rather than pointing to a fixed direction. This project will survey a large sky area at hard X-ray region to study the evolution of the universe.

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Hiroshi Tsunemi, Hideyo Kunieda, Masayuki Itoh, Shinji Mitani, Isao Kawano, Masanobu Ozaki, Koji Mori, and Yoshihiro Ueda "FFAST mission to study the evolution of the universe in hard x-ray", Proc. SPIE 8443, Space Telescopes and Instrumentation 2012: Ultraviolet to Gamma Ray, 844314 (17 September 2012); https://doi.org/10.1117/12.925096

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