On-orbit calibration of soft X-ray detector on Chang'E-2 satellite

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XIAO Hong, PENG Wen-Xi, WANG Huan-Yu, CUI Xing-Zhu and GUO Dong-Ya. On-orbit calibration of soft X-ray detector on Chang'E-2 satellite[J]. Chinese Physics C, 2015, 39(10): 106002. doi: 10.1088/1674-1137/39/10/106002
XIAO Hong, PENG Wen-Xi, WANG Huan-Yu, CUI Xing-Zhu and GUO Dong-Ya. On-orbit calibration of soft X-ray detector on Chang'E-2 satellite[J]. Chinese Physics C, 2015, 39(10): 106002.  doi: 10.1088/1674-1137/39/10/106002 shu
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Received: 2015-02-02
Revised: 1900-01-01
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On-orbit calibration of soft X-ray detector on Chang'E-2 satellite

    Corresponding author: PENG Wen-Xi,
    Corresponding author: WANG Huan-Yu,

Abstract: The X-ray spectrometer is one of the satellite payloads on the Chang'E-2 satellite. The soft X-ray detector is one of the devices on the X-ray spectrometer, designed to detect the major rock-forming elements within the 0.5-10 keV range on the lunar surface. In this paper, energy linearity and energy resolution calibration is done using a weak 55Fe source. Temperature and time effects are found not to give a large error. The total uncertainty of calibration is estimated to be within 5% after correction.

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