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

XIAO Hong; PENG Wen-Xi; WANG Huan-Yu; CUI Xing-Zhu; GUO Dong-Ya

doi:10.1088/1674-1137/39/10/106002

Chinese Physics C> 2015, Vol. 39> Issue(10) : 106002 DOI: 10.1088/1674-1137/39/10/106002

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

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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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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

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Received: 2015-02-02
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

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

Corresponding author: PENG Wen-Xi,

Corresponding author: WANG Huan-Yu,

Received Date: 2015-02-02
Accepted Date: 1900-01-01
Available Online: 2015-10-10

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.