Structure design of the telescope for Small-JASMINE program

Shin Utsunomiya; Susumu Yasuda; Taihei Yano; Yoshito Niwa; Yukiyasu Kobayashi; Shingo Kashima; Naoteru Goda; Yoshiyuki Yamada

doi:10.1117/12.2055929

2 August 2014 Structure design of the telescope for Small-JASMINE program

Shin Utsunomiya, Susumu Yasuda, Taihei Yano, Yoshito Niwa, Yukiyasu Kobayashi, Shingo Kashima, Naoteru Goda, Yoshiyuki Yamada

Author Affiliations +

Proceedings Volume 9143, Space Telescopes and Instrumentation 2014: Optical, Infrared, and Millimeter Wave; 91430Z (2014) https://doi.org/10.1117/12.2055929
Event: SPIE Astronomical Telescopes + Instrumentation, 2014, Montréal, Quebec, Canada

Abstract

Small-JASMINE program (Japan Astrometry Satellite Mission for INfrared Exploration) is one of applicants for JAXA (Japan Aerospace Exploration Agency) space science missions launched by Epsilon Launch Vehicles, and now being reviewed in the Science Committee of ISAS (Institute of Space and Astronautical Science), JAXA. Telescope of 300 mm aperture diameter will focus to the central region of the Milky Way Galactic. The target of Small-JASMINE is to obtain reliable measurements of extremely small stellar motions with the highest accuracy of 10 μ arcseconds and to provide precise distances and velocities of multitudes of stars up to 30,000 light years. Preliminary Structure design of Small- JASMINE has been done and indicates to satisfy all of requirements from the mission requirement, the system requirement, Epsilon Launch conditions and interfaces of the small science satellite standard bus. High margin of weight for the mission allows using all super invar structure that may reduce unforeseen thermal distortion risk especially caused by connection of different materials. Thermal stability of the telescope is a key issue and should be verified in a real model at early stage of the development.

Citation Download Citation

Shin Utsunomiya, Susumu Yasuda, Taihei Yano, Yoshito Niwa, Yukiyasu Kobayashi, Shingo Kashima, Naoteru Goda, and Yoshiyuki Yamada "Structure design of the telescope for Small-JASMINE program", Proc. SPIE 9143, Space Telescopes and Instrumentation 2014: Optical, Infrared, and Millimeter Wave, 91430Z (2 August 2014); https://doi.org/10.1117/12.2055929

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