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Simulation of the in-flight calibration of the collimator alignment and PSF for HXMT
Xiong SL(熊少林); Li XQ(李新乔); Qu JL(屈进禄); Lu FJ(卢方军); Xiong, SL; Li, XQ; Qu, JL; Lu, FJ
2010
发表期刊SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY
卷号53期号:1页码:#REF!
通讯作者Xiong, SL (reprint author), Chinese Acad Sci, Inst High Energy Phys, Key Lab Particle Astrophys, Beijing 100049, Peoples R China.
文章类型Article
摘要The Hard X-ray Modulation Telescope (HXMT) is an X-ray astronomical satellite in 1-250 keV, consisting of three collimated instruments. We present the in-flight calibration approach of the collimator alignment and Point Spread Function (PSF) for HXMT, using both the direct fitting method and the imaging method. According to observational simulations of the Crab Nebula, we find that these two methods produce almost the same calibration accuracy of the alignment, and with a one-day scanning observation, the alignment can be calibrated to better than 0.45' and 0.1' along the wide and narrow directions of the Field of View (FOV) for a detector module, which corresponds to a localization accuracy of better than 0.1' and meets the scientific requirement.
关键词HXMT alignment PSF calibration
学科领域Physics
DOI10.1007/s11433-010-0047-8
收录类别SCI
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000280291800010
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/225730
专题粒子天体物理中心
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GB/T 7714
Xiong SL,Li XQ,Qu JL,et al. Simulation of the in-flight calibration of the collimator alignment and PSF for HXMT[J]. SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,2010,53(1):#REF!.
APA 熊少林.,李新乔.,屈进禄.,卢方军.,Xiong, SL.,...&Lu, FJ.(2010).Simulation of the in-flight calibration of the collimator alignment and PSF for HXMT.SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,53(1),#REF!.
MLA 熊少林,et al."Simulation of the in-flight calibration of the collimator alignment and PSF for HXMT".SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY 53.1(2010):#REF!.
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