Development of a method for aligning lobster eye optics onboard HiZ-GUNDAM with visible light and shape measurements

Hatsune Goto; Daisuke Yonetoku; Naoki Ogino; Shuta Takahashi; Tomoya Sato; Kazuma Mukai; Makoto Arimoto; Tatsuya Sawano; Tatehiro Mihara; Takanori Sakamoto; Jin Li; Yoshitomo Maeda; Akihiro Doi

doi:10.1117/12.2627445

31 August 2022 Development of a method for aligning lobster eye optics onboard HiZ-GUNDAM with visible light and shape measurements

Hatsune Goto, Daisuke Yonetoku, Naoki Ogino, Shuta Takahashi, Tomoya Sato, Kazuma Mukai, Makoto Arimoto, Tatsuya Sawano, Tatehiro Mihara, Takanori Sakamoto, Jin Li, Yoshitomo Maeda, Akihiro Doi

Author Affiliations +

Proceedings Volume 12181, Space Telescopes and Instrumentation 2022: Ultraviolet to Gamma Ray; 121815J (2022) https://doi.org/10.1117/12.2627445
Event: SPIE Astronomical Telescopes + Instrumentation, 2022, Montréal, Québec, Canada

Conference Poster

Abstract

HiZ-GUNDAM is a future satellite mission for gamma-ray burst observations. One of the mission instruments is the wide-field X-ray monitor with a field of view (FoV) of 0.5 steradian at 0.4 to 4.0 keV, consisting of Lobster Eye Optics (LEO) and focal-imaging pixel sensors. LEOs need to be spatially well-aligned to achieve both a wide FoV and fine accuracy in determining the location of X-ray transients. An alignment method is being investigated with visible light and shape measurements. We developed a titanium frame for positioning two LEO segments and estimated visible light on LEOs. We will report development of the alignment method.

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Hatsune Goto, Daisuke Yonetoku, Naoki Ogino, Shuta Takahashi, Tomoya Sato, Kazuma Mukai, Makoto Arimoto, Tatsuya Sawano, Tatehiro Mihara, Takanori Sakamoto, Jin Li, Yoshitomo Maeda, and Akihiro Doi "Development of a method for aligning lobster eye optics onboard HiZ-GUNDAM with visible light and shape measurements", Proc. SPIE 12181, Space Telescopes and Instrumentation 2022: Ultraviolet to Gamma Ray, 121815J (31 August 2022); https://doi.org/10.1117/12.2627445

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