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Electronic control design of a two-channel imaging system of a 1.2-meter-aperture telescope
Chen, Jin-Ting1; Zhang, Hong-Fei1; Jia, Ming-Hao1; Chen, Ya-Qi1; Xu, Yi-Ling1; Zhang, Guang-Yu1; Feng, Yi1; Sheng, Zhen-Feng2; Yang, Chen-Wei2; Xu L(许良)3; Ding YC(丁永超)3; Chang L(常亮)3; Wang, Jian1
会议录名称Proceedings of SPIE - The International Society for Optical Engineering - Ground-Based and Airborne Telescopes VII
2018
卷号10700
DOI10.1117/12.2312381
会议录编者/会议主办者SPIE - The International Society for Optical Engineering
产权排序第3完成单位
收录类别EI
会议名称Ground-Based and Airborne Telescopes VII 2018
会议日期2018-06-10
会议地点Austin, TX, United states
会议赞助商4D Technology; Andor Technology, Ltd.; Astronomical Consultants and Equipment, Inc.; et al.; Giant Magellan Telescope; GPixel, Inc.
关键词Imaging System Focusing Device Electronic Control Guiding System
摘要

The Astronomical Imaging System of a 1.2-meter-aperture Telescope is a multi-band imaging system with red and blue channels. The mass and structure of AGN central black hole are studied by observing the change of AGN spectral line. We designed an optical system with dual channels, changing the focal length ratio of telescope from f/8.429 to f/5 through the lens, and divide the optical path into red and blue channels through the beam splitter. The red waveband is 650nm1000nm and the blue waveband is 400nm-650nm. Each channel has a CCD camera. We set up focusing lens before the camera of blue channel to compensate the difference focusing length between red and blue channel after the red channel being focused by adjusting the telescope. For the realization of three groups of broadband photometry and twenty-four groups of narrowband photometry, an automatic filter wheel system is designed to switch the filter. At the same time, in order to reduce the influence of temperature drift of the filter, a constant temperature adjusting system for filter wheel box is carried out. In order to overcome the issue that the telescope itself does not have enough tracking accuracy, a guiding system for the imaging system is designed and implemented. Finally, we designed and implemented a multi-level software control system so that the users can remotely control the telescope.

语种英语
学科领域天体测量学
学科门类理学 ; 理学::天文学
文章类型Conference article (CA)
出版者SPIE
ISBN号9781510619531
ISSN号0277-786X
URL查看原文
EI入藏号20183305684485
EI主题词Imaging Systems
EI分类号601.2machine Components - 705electric Generators And Motors - 714.2semiconductor Devices And Integrated Circuits - 741.3optical Devices And Systems - 746imaging Techniques - 941.4optical Variables Measurements
引用统计
文献类型会议论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/17364
专题丽江天文观测站(南方基地)
通讯作者Zhang, Hong-Fei
作者单位1.State Key Laboratory of Technologies of Particle Detection and Electronics, Department of Modern Physics, University of Science and Technology of China, Hefei, 230026, China
2.Department of Astronomy, University of Science and Technology of China, Chinese Academy of Sciences, Hefei, 230026, China
3.Yunnan Observatories, Chinese Academy of Sciences, Kunming, 650011, China
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GB/T 7714
Chen, Jin-Ting,Zhang, Hong-Fei,Jia, Ming-Hao,et al. Electronic control design of a two-channel imaging system of a 1.2-meter-aperture telescope[C]//SPIE - The International Society for Optical Engineering:SPIE,2018.
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