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Data Analysis of Chang'E-1 Gamma-Ray Spectrometer and Global Distribution of U, K, and Th Elemental Abundances
Zou Yongliao1; Zhang Liyan1; Liu Jianzhong1; Mu Lingli1; Ren Xin1; Zhang Guangliang1; Chang Jin2; Yan Jun1; Zhang Nan2; Zhang Hongbo1; Lu Chang1; Liu Jianjun1; Zuo Wei1; Su Yan1; Wen Weibin1; Bian Wei1; Wang Min1; Xu Chun1; Li Chunlai1; Ouyang Ziyuan1
2011-12-01
发表期刊ACTA GEOLOGICA SINICA-ENGLISH EDITION
卷号85期号:6页码:1299-1309
摘要Gamma-ray spectrometer (GRS) is one of the main payloads on the Chang'E-1 (CE-1) lunar probe, mainly aimed to detect the elemental abundances and distributions on the lunar surface. At 03:58 on 28 November 2007, it performed the first observation of the lunar gamma rays. As of 24 October 2008, 2105 h of effective gamma rays spectra had been acquired by CE-1 GRS, which covers the whole surface of the moon. This paper mainly describes the data processing procedures and methods of deriving the elemental abundances by using the CE-1 GRS time series corrected spectra: first, to bin data into pixels for mapping; then, to perform a background deduction of the cumulative spectra and obtain a peak area of the elements; and finally, to use the elemental abundances inversion model to produce the elemental abundances. Based on these processing methods, the global abundance maps of U, K, and Th at a 5 degrees x 5 degrees equal-area pixel are acquired by CE-1 GRS data. The paper gives a preliminary analysis of the uncertainties of the elemental abundances.
文章类型Article
关键词Chang'e-1 Payloads Gamma Rays Elemental Abundances
WOS标题词Science & Technology ; Physical Sciences
DOI10.1111/j.1755-6724.2011.00589.x
关键词[WOS]LUNAR-SURFACE ; MOON
收录类别SCI
语种英语
WOS研究方向Geology
WOS类目Geosciences, Multidisciplinary
WOS记录号WOS:000298536400008
引用统计
文献类型期刊论文
条目标识符http://libir.pmo.ac.cn/handle/332002/15971
专题暗物质和空间天文实验室
作者单位1.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
2.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Peoples R China
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Zou Yongliao,Zhang Liyan,Liu Jianzhong,et al. Data Analysis of Chang'E-1 Gamma-Ray Spectrometer and Global Distribution of U, K, and Th Elemental Abundances[J]. ACTA GEOLOGICA SINICA-ENGLISH EDITION,2011,85(6):1299-1309.
APA Zou Yongliao.,Zhang Liyan.,Liu Jianzhong.,Mu Lingli.,Ren Xin.,...&Ouyang Ziyuan.(2011).Data Analysis of Chang'E-1 Gamma-Ray Spectrometer and Global Distribution of U, K, and Th Elemental Abundances.ACTA GEOLOGICA SINICA-ENGLISH EDITION,85(6),1299-1309.
MLA Zou Yongliao,et al."Data Analysis of Chang'E-1 Gamma-Ray Spectrometer and Global Distribution of U, K, and Th Elemental Abundances".ACTA GEOLOGICA SINICA-ENGLISH EDITION 85.6(2011):1299-1309.
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