Point source detection performance of Hard X-ray Modulation Telescope imaging observation
Huo, ZX; Li, YM; Li XB(李小波); Li, XB; Zhou, JF
刊名RESEARCH IN ASTRONOMY AND ASTROPHYSICS
2015
卷号15期号:11页码:1905-1916
关键词methods: data analysis methods: numerical techniques: image processing instrumentation: high angular resolution
学科分类Astronomy & Astrophysics
DOI10.1088/1674-4527/15/11/012
文章类型Article
英文摘要The Hard X-ray Modulation Telescope (HXMT) will perform an all-sky survey in the hard X-ray band as well as deep imaging of a series of small sky regions. We expect various compact objects to be detected in these imaging observations. Point source detection performance of HXMT imaging observation depends not only on the instrument but also on the data analysis method that is applied since images are reconstructed from HXMT observed data with numerical methods. The denoising technique used plays an important part in the HXMT imaging data analysis pipeline along with demodulation and source detection. In this paper we have implemented several methods for denoising HXMT data and evaluated the point source detection performances in terms of sensitivities and location accuracies. The results show that direct demodulation with 1-fold cross-correlation should be the default reconstruction and regularization method, although both sensitivity and location accuracy could be further improved by selecting and tuning numerical methods in data analysis used for HXMT imaging observations.
类目[WOS]Astronomy & Astrophysics
收录类别SCI
WOS记录号WOS:000365467400012
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被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/228842
专题中国科学院高能物理研究所_粒子天体物理中心_期刊论文
中国科学院高能物理研究所_粒子天体物理中心
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Huo, ZX,Li, YM,Li XB,et al. Point source detection performance of Hard X-ray Modulation Telescope imaging observation[J]. RESEARCH IN ASTRONOMY AND ASTROPHYSICS,2015,15(11):1905-1916.
APA Huo, ZX,Li, YM,李小波,Li, XB,&Zhou, JF.(2015).Point source detection performance of Hard X-ray Modulation Telescope imaging observation.RESEARCH IN ASTRONOMY AND ASTROPHYSICS,15(11),1905-1916.
MLA Huo, ZX,et al."Point source detection performance of Hard X-ray Modulation Telescope imaging observation".RESEARCH IN ASTRONOMY AND ASTROPHYSICS 15.11(2015):1905-1916.
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