Development and calibration of the Moon-based EUV camera for Chang'e-3

被引：23

作者：

Chen, Bo ^{[1
]}

Song, Ke-Fei ^{[1
]}

Li, Zhao-Hui ^{[1
]}

Wu, Qing-Wen ^{[1
]}

Ni, Qi-Liang ^{[1
]}

Wang, Xiao-Dong ^{[1
]}

Xie, Jin-Jiang ^{[1
]}

Liu, Shi-Jie ^{[1
]}

He, Ling-Ping ^{[1
]}

He, Fei ^{[1
]}

Wang, Xiao-Guang ^{[1
]}

Chen, Bin ^{[1
]}

Zhang, Hong-Ji ^{[1
]}

Wang, Xiao-Dong ^{[1
]}

Wang, Hai-Feng ^{[1
]}

Zheng, Xin ^{[1
]}

E, Shu-Lin ^{[1
]}

Wang, Yong-Cheng ^{[1
]}

Yu, Tao ^{[1
]}

Sun, Liang ^{[1
]}

Wang, Jin-Ling ^{[1
]}

Wang, Zhi ^{[1
]}

Yang, Liang ^{[1
]}

Hu, Qing-Long ^{[1
]}

Qiao, Ke ^{[1
]}

Wang, Zhong-Su ^{[1
]}

Yang, Xian-Wei ^{[1
]}

Bao, Hai-Ming ^{[1
]}

Liu, Wen-Guang ^{[1
]}

Li, Zhe ^{[1
]}

Chen, Ya ^{[1
]}

Gao, Yang ^{[1
]}

Sun, Hui ^{[1
]}

Chen, Wen-Chang ^{[1
]}

机构：

[1] Chinese Acad Sci, Changchun Inst Opt Fine Mech & Phys, Changchun 130033, Peoples R China

来源：

RESEARCH IN ASTRONOMY AND ASTROPHYSICS | 2014年 / 14卷 / 12期

关键词：

Chang'e-3; EUV camera: development: calibration; Earth's plasmasphere; lunar exploration;

D O I：

10.1088/1674-4527/14/12/013

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The process of development and calibration for the first Moon-based extreme ultraviolet (EUV) camera to observe Earth's plasmasphere is introduced and the design, test and calibration results are presented. The EUV camera is composed of a multilayer film mirror, a thin film filter, a photon-counting imaging detector, a mechanism that can adjust the direction in two dimensions, a protective cover, an electronic unit and a thermal control unit. The center wavelength of the EUV camera is 30.2 nm with a bandwidth of 4.6 nm. The field of view is 14.7 degrees with an angular resolution of 0.08 degrees, and the sensitivity of the camera is 0.11 count s(-1) Rayleigh(-1). The geometric calibration, the absolute photometric calibration and the relative photometric calibration are carried out under different temperatures before launch to obtain a matrix that can correct geometric distortion and a matrix for relative photometric correction, which are used for in-orbit correction of the images to ensure their accuracy.

引用

页码：1654 / 1663

页数：10

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