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arXiv 2608.20806astro-ph.IMastro-ph.EP

嫦娥七号月球着陆器光学相机-望远镜:来自月球的光学天文学

Chang'e 7 Lunar Lander Optical Camera-Telescope: Optical Astronomy from the Moon

Quentin Andrew Parker, Partha Sarathi Pal, Junhao Chen, Meng Su, SeyedAbdolreza Sadjadi, Andreas Ritter, Andy C. T. Kong, Zhengjie Tian, Haoyang Yuan, Suijian Xue, Steve Durst

AI总结:

该研究介绍了嫦娥七号搭载的一款轻量化大视场光学相机-望远镜的设计、性能及模拟观测能力,该相机由多方合作研发,将用于月球南极的天文观测。

AI中文摘要:

我们报告了嫦娥七号月球任务(2026年8月发射,预计2026年11月末月面着陆)所搭载的一款新型轻量化大视场光学相机-望远镜的设计与制造。该相机可在420-696nm光学波长范围内获取静态全色图像。该相机是在中国国家航天局(CNSA)的小型月球天文观测站计划下设计与建造的,由夏威夷国际月球观测协会(ILOA)、香港大学空间研究实验室(LSR)以及北京空间机电研究所(BISME)合作完成。该相机旨在满足任务的科学目标,以在月球南极的宽温度范围内实现可持续的天文观测运行。我们报告了其设计与地面初步性能,同时结合对相机模拟输出的分析,考虑到该相机孔径适中、视场宽,其灵敏度和角分辨率有限,由此说明从月球表面可开展的天文观测范围。

英文摘要:

We report the design and manufacture of a new, lightweight, wide-field, optical camera-telescope on board the Chang'e 7 lunar mission (launched in August 2026 and due for lunar touchdown in late November 2026). The camera is capable of static, panchromatic imagery within a $420-696~nm$ optical wavelength range. The camera was designed and built under the small lunar astronomy observation station program of the Chinese National Space Agency (CNSA) as a collaboration between the International Lunar Observatory Association of Hawaii (ILOA), the Laboratory for Space Research (LSR) of the University of Hong Kong (HKU) and the Beijing Institute of Space Mechanics and Electricity (BISME). The camera has been built to meet science goals of the mission for sustainable astronomical operation over a large range of temperatures from the Moon's south pole. We report on the design and ground based preliminary performance, together with an analysis of the camera's simulated output to indicate the range of astronomical observations possible from the lunar surface given the camera's limited sensitivity and angular resolution given the modest aperture and wide field of view.

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