Super DIOS mission for exploring "dark baryon"

Kosuke Sato; Takaya Ohashi; Yoshitaka Ishisaki; Yuichiro Ezoe; Shinya Yamada; Noriko Y. Yamasaki; Kazuhisa Mitsuda; Manabu Ishida; Yoshitomo Maeda; Yuki Nakashima; Ikuyuki Mitsuishi; Yuzuru Tawara; Ryuichi Fujimoto; Takeshi G. Tsuru; Naomi Ota; Ken Osato; Shinya Nakashima; Yutaka Fujita; Daisuke Nagai; Kohji Yoshikawa; Nobuyuki Kawai; Kyoko Matsushita; Yuto Ichinohe; Yuusuke Uchida

doi:10.1117/12.2561681

13 December 2020 Super DIOS mission for exploring "dark baryon"

Kosuke Sato, Takaya Ohashi, Yoshitaka Ishisaki, Yuichiro Ezoe, Shinya Yamada, Noriko Y. Yamasaki, Kazuhisa Mitsuda, Manabu Ishida, Yoshitomo Maeda, Yuki Nakashima, Ikuyuki Mitsuishi, Yuzuru Tawara, Ryuichi Fujimoto, Takeshi G. Tsuru, Naomi Ota, Ken Osato, Shinya Nakashima, Yutaka Fujita, Daisuke Nagai, Kohji Yoshikawa, Nobuyuki Kawai, Kyoko Matsushita, Yuto Ichinohe, Yuusuke Uchida

Author Affiliations +

Proceedings Volume 11444, Space Telescopes and Instrumentation 2020: Ultraviolet to Gamma Ray; 114445O (2020) https://doi.org/10.1117/12.2561681
Event: SPIE Astronomical Telescopes + Instrumentation, 2020, Online Only

Conference Poster

Abstract

We are studying an improved DIOS (Diffuse Intergalactic Oxygen Surveyor) program, Super DIOS, which is accepted for establishing the Research Group in ISAS/JAXA, for a launch year after 2030. The aim of Super DIOS is an X-ray quantitative exploration of ”dark baryon” over several scales from circumgalactic medium, cluster outskirt to warm-hot intergalactic medium along the Cosmic web with mapping redshifted emission lines from mainly oxygen and other ions. These observations play key roles for investigating the physical condition, such as the energy flow and metal circulation, of most baryons in the Universe. This mission will perform wide field X-ray spectroscopy with a field of view of about 0.5–1 degree and energy resolution of a few eV with TES microcalorimeter, but with much improved angular resolution of about 10–15 arcseconds. We will also consider including a small gamma-ray burst monitor and a fast repointing system. We will have an international collaboration with US and Europe for all the onboard instruments.

Conference Presentation

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Kosuke Sato, Takaya Ohashi, Yoshitaka Ishisaki, Yuichiro Ezoe, Shinya Yamada, Noriko Y. Yamasaki, Kazuhisa Mitsuda, Manabu Ishida, Yoshitomo Maeda, Yuki Nakashima, Ikuyuki Mitsuishi, Yuzuru Tawara, Ryuichi Fujimoto, Takeshi G. Tsuru, Naomi Ota, Ken Osato, Shinya Nakashima, Yutaka Fujita, Daisuke Nagai, Kohji Yoshikawa, Nobuyuki Kawai, Kyoko Matsushita, Yuto Ichinohe, and Yuusuke Uchida "Super DIOS mission for exploring "dark baryon"", Proc. SPIE 11444, Space Telescopes and Instrumentation 2020: Ultraviolet to Gamma Ray, 114445O (13 December 2020); https://doi.org/10.1117/12.2561681

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