Prospective results of CHANG'E-2 X-ray spectrometer

PENG Wen-Xi; WANG Huan-Yu; ZHANG Cheng-Mo; CUI Xing-Zhu; CAO Xue-Lei; ZHANG Jia-Yu; LIANG Xiao-Hua; WANG Jin-Zhou; GAO Min; YANG Jia-Wei; WU Ming-Ye

doi:10.1088/1674-1137/33/10/001

Chinese Physics C> 2009, Vol. 33> Issue(10) : 819-825 DOI: 10.1088/1674-1137/33/10/001

Prospective results of CHANG'E-2 X-ray spectrometer

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Abstract：
The Chinese second lunar satellite CE-2, which carries an X-ray spectrometer (XRS), will be launched at the end of 2010. In order to estimate the scientific results of XRS, we simulate the anticipated lunar X-ray spectra observed by XRS by using the expected mean solar X-ray flux in 2011. We also obtain the integration time and the spatial resolution required to achieve a certain significance level for the major lunar rock-forming elements in different solar activity conditions. It is expected that a spatial resolution of finer than 100 kilometers can be achieved for elements Mg, Al, Si, Ca, Ti, and Fe.

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PENG Wen-Xi, WANG Huan-Yu, ZHANG Cheng-Mo, CUI Xing-Zhu, CAO Xue-Lei, ZHANG Jia-Yu, LIANG Xiao-Hua, WANG Jin-Zhou, GAO Min, YANG Jia-Wei and WU Ming-Ye. Prospective results of CHANG'E-2 X-ray spectrometer[J]. Chinese Physics C, 2009, 33(10): 819-825. doi: 10.1088/1674-1137/33/10/001

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Received: 2009-01-06
Revised: 2009-03-25

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