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
Source Publicationactageologicasinica
AbstractGamma-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°×5° equal-area pixel are acquired by CE-1 GRS data. The paper gives a preliminary analysis of the uncertainties of the elemental abundances.
Document Type期刊论文
First Author AffilicationNational Astronomical Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Zou Yongliao,Zhang Liyan,Liu Jianzhong,et al. dataanalysisofchange1gammarayspectrometerandglobaldistributionofukandthelementalabundances[J]. actageologicasinica,2011,085(006):1299.
APA Zou Yongliao.,Zhang Liyan.,Liu Jianzhong.,Mu Lingli.,Ren Xin.,...&Ouyang Ziyuan.(2011).dataanalysisofchange1gammarayspectrometerandglobaldistributionofukandthelementalabundances.actageologicasinica,085(006),1299.
MLA Zou Yongliao,et al."dataanalysisofchange1gammarayspectrometerandglobaldistributionofukandthelementalabundances".actageologicasinica 085.006(2011):1299.
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