IHEP OpenIR  > 硬X射线调制望远镜卫星  > HXMT.期刊论文
Simulation of the in-flight calibration of the collimator alignment and PSF for HXMT
Xiong ShaoLin; Li XinQiao; Qu JinLu; Lu FangJun
2010
通讯作者Xiong, SL
通讯作者单位Chinese Acad Sci, Inst High Energy Phys, Key Lab Particle Astrophys, Beijing 100049, Peoples R China.
关键词HXMT alignment PSF calibration
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.
出处SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY
卷号53页码:47-50
收录类别SCI
DOI10.1007/s11433-010-0047-8
WOS记录号WOS:000280291800010
WOS类目Physics
研究领域[WOS]Physics, Multidisciplinary ; Physics, Multidisciplinary ; Physics, Multidisciplinary ; Physics, Multidisciplinary
WOS关键词DIRECT DEMODULATION
研究领域[WOS]Physics, Multidisciplinary ; Physics, Multidisciplinary ; Physics, Multidisciplinary ; Physics, Multidisciplinary
ADS Bibcode2010SCPMA..53S..47X
ADS URLhttps://ui.adsabs.harvard.edu/#abs/2010SCPMA..53S..47X
ADS引文https://ui.adsabs.harvard.edu/#search/q=citations(%222010SCPMA..53S..47X%22)&sort=date%20desc%2C%20bibcode%20desc
引用统计
文献类型HXMT.期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/265654
专题硬X射线调制望远镜卫星_HXMT.期刊论文
作者单位Chinese Acad Sci, Inst High Energy Phys, Key Lab Particle Astrophys, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714
Xiong ShaoLin,Li XinQiao,Qu JinLu,et al. Simulation of the in-flight calibration of the collimator alignment and PSF for HXMT. 2010.
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