Prospective results of CHANGE-2 X-ray spectrometer

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.

作 者： 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   作者單位： Institute of High Energy Physics,CAS,Beijing 100049,China  刊 名： 中國物理C(英文版)  ISTIC 英文刊名： CHINESE PHYSICS　C  年，卷(期)： 2009 33(10)  分類號： O4  關(guān)鍵詞： moon   X-ray fluorescence   solar cycle  

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