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Preliminary design of the Kunlun Dark Universe Survey Telescope (KDUST)

Published online by Cambridge University Press:  30 January 2013

Xiangyan Yuan ,
Xiangqun Cui ,
Ding-qiang Su ,
Yongtian Zhu ,
Lifan Wang ,
Bozhong Gu ,
Xuefei Gong  and
Xinnan Li
Xiangyan Yuan*
Affiliation:
National Astronomical Observatories / Nanjing Institute of Astronomical Optics & Technology, Chinese Academy of Sciences, Nanjing 210042, China Key Laboratory of Astronomical Optics & Technology, Nanjing Institute of Astronomical Optics & Technology, Chinese Academy of Sciences, Nanjing 210042, China Chinese Center for Antarctic Astronomy
Xiangqun Cui
Affiliation:
National Astronomical Observatories / Nanjing Institute of Astronomical Optics & Technology, Chinese Academy of Sciences, Nanjing 210042, China Key Laboratory of Astronomical Optics & Technology, Nanjing Institute of Astronomical Optics & Technology, Chinese Academy of Sciences, Nanjing 210042, China Chinese Center for Antarctic Astronomy
Ding-qiang Su
Affiliation:
National Astronomical Observatories / Nanjing Institute of Astronomical Optics & Technology, Chinese Academy of Sciences, Nanjing 210042, China Dept. of Astronomy, Nanjing University, 22 Hankou Road, Nanjing 210093, P. R. China Key Laboratory of Modern Astronomy and Astrophysics (Nanjing University), Ministry of Education, P. R. China
Yongtian Zhu
Affiliation:
National Astronomical Observatories / Nanjing Institute of Astronomical Optics & Technology, Chinese Academy of Sciences, Nanjing 210042, China Key Laboratory of Astronomical Optics & Technology, Nanjing Institute of Astronomical Optics & Technology, Chinese Academy of Sciences, Nanjing 210042, China Chinese Center for Antarctic Astronomy
Lifan Wang
Affiliation:
Chinese Center for Antarctic Astronomy Purple Mountain Observatory, Chinese Academy of Sciences
Bozhong Gu
Affiliation:
National Astronomical Observatories / Nanjing Institute of Astronomical Optics & Technology, Chinese Academy of Sciences, Nanjing 210042, China Key Laboratory of Astronomical Optics & Technology, Nanjing Institute of Astronomical Optics & Technology, Chinese Academy of Sciences, Nanjing 210042, China
Xuefei Gong
Affiliation:
National Astronomical Observatories / Nanjing Institute of Astronomical Optics & Technology, Chinese Academy of Sciences, Nanjing 210042, China Key Laboratory of Astronomical Optics & Technology, Nanjing Institute of Astronomical Optics & Technology, Chinese Academy of Sciences, Nanjing 210042, China Chinese Center for Antarctic Astronomy
Xinnan Li
Affiliation:
National Astronomical Observatories / Nanjing Institute of Astronomical Optics & Technology, Chinese Academy of Sciences, Nanjing 210042, China Key Laboratory of Astronomical Optics & Technology, Nanjing Institute of Astronomical Optics & Technology, Chinese Academy of Sciences, Nanjing 210042, China
*
7 email: xyyuan@niaot.ac.cn
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Abstract

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From theoretical analysis and site testing work for 4 years on Dome A, Antarctica, we can reasonably predict that it is a very good astronomical site, as good as or even better than Dome C and suitable for observations ranging from optical to infrared & sub-mm wavelengths. After the Chinese Small Telescope ARray (CSTAR), which was composed of four small fixed telescopes with diameter of 145mm and the three Antarctic Survey Telescopes (AST3) with 500mm entrance diameter, the Kunlun Dark Universe Survey Telescope (KDUST) with diameter of 2.5m is proposed. KDUST will adopt an innovative optical system which can deliver very good image quality over a 2 square degree flat field of view. Some other features are: a fixed focus suitable for different instruments, active optics for miscollimation correction, a lens-prisms that can be used as an atmospheric dispersion corrector or as a very low-dispersion spectrometer when moved in / out of the main optical path without changing the performance of the system, and a compact structure to make easier transportation to Dome A. KDUST will be mounted on a tower with height 15m in order to make a full use of the superb free atmospheric seeing.

Keywords

Dome Aastronomical sitestelescopesKDUSTseeing
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 8 , Symposium S288: Astrophysics from Antarctica , August 2012 , pp. 271 - 274
Copyright
Copyright © International Astronomical Union 2013

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