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Proceedings Paper

Introduction to the Chinese Giant Solar Telescope
Author(s): Zhong Liu; Yuanyong Deng; Zhenyu Jin; Haisheng Ji
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Paper Abstract

In order to detect the fine structures of solar magnetic field and dynamic field, an 8 meter solar telescope has been proposed by Chinese solar community. Due to the advantages of ring structure in polarization detection and thermal control, the current design of CGST (Chinese Giant Solar Telescope) is an 8 meter ring solar telescope. The spatial resolution of CGST is equivalent to an 8 meter diameter telescope, and the light-gathering power equivalent to a 5 meter full aperture telescope. The integrated simulation of optical system and imaging ability such as optical design, MCAO, active maintenance of primary mirror were carried out in this paper. Mechanical system was analyzed by finite element method too. The results of simulation and analysis showed that the current design could meet the demand of most science cases not only in infrared band but also in near infrared band and even in visible band. CGST was proposed by all solar observatories in Chinese Academy of Sciences and several overseas scientists. It is supported by CAS and NSFC (National Natural Science Foundation of China) as a long term astronomical project.

Paper Details

Date Published: 17 September 2012
PDF: 9 pages
Proc. SPIE 8444, Ground-based and Airborne Telescopes IV, 844405 (17 September 2012); doi: 10.1117/12.926033
Show Author Affiliations
Zhong Liu, Yunnan Astronomical Observatory (China)
Yuanyong Deng, National Astronomical Observatories (China)
Zhenyu Jin, Yunnan Astronomical Observatory (China)
Haisheng Ji, Purple Mountain Observatory (China)


Published in SPIE Proceedings Vol. 8444:
Ground-based and Airborne Telescopes IV
Larry M. Stepp; Roberto Gilmozzi; Helen J. Hall, Editor(s)

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