NAOC Open IR
A Parametric Model to Reproduce the Background of the Insight-HXMT/HE Blind Detector
You, Yuan1,2; Liao, Jin-Yuan1; Zhang, Shuang-Nan1,2,3; Zhang, Shu1; Lu, Xue-Feng1; Zhang, Juan1; Li, Gang1; Chang, Zhi1; Chen, Yu-Peng1; Ge, Ming-Yu1; Guo, Cheng-Cheng1,2; Huang, Rui4; Huang, Yue1; Jin, Jing1; Li, Xiao-Bo1; Li, Xu-Fang1; Li, Zheng-Wei1; Liu, Cong-Zhan1; Lu, Fang-Jun1,5,6; Nie, Jian-Yin1; Song, Li-Ming1; Wang, Si-Fan4; Zhang, Yi-Fei1; Zhao, Hai-Sheng1
2021-10-01
Source PublicationASTROPHYSICAL JOURNAL SUPPLEMENT SERIES
ISSN0067-0049
Volume256Issue:2Pages:15
AbstractThe estimation of instrumental background is the basis of essentially all data analysis on observations with Insight-HXMT. The current Insight-HXMT/HE background model made by Liao et al. depends on the data from the HE blind detector, i.e., using historical data to make a preliminary estimation of the background spectra and using the real-time data from the blind detector to make a further modification. In order to decouple the dependence of background method on the blind detector, a parametric physical model has been developed to rebuild the light curve and spectrum of the HE blind detector. In this parametric model, several physical processes between the space environment and the satellite are considered to rebuild the prompt and delayed background signals of the HE blind detector. With the genetic algorithm and Markov Chain Monte Carlo procedure, the model parameters are determined by fitting the data from the HE blind detector. For all 62 energy bands in the range 28-334 keV for an exposure of 10 ks, the average systematic error of the background energy spectrum is similar to 2.2% and the average total error of spectrum estimation similar to 3.4%. It is found that more accurate background can be attained using this model than using the data from the Insight-HXMT/HE blind detector for exposures of less than 2 ks. These results show that the background of the Insight-HXMT/HE blind detector can be reproduced reliably with this parametric model and this method can also be applied to the background estimation of other detectors in principle.
Funding OrganizationChina National Space Administration (CNSA) ; China National Space Administration (CNSA) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; National Program on Key Research and Development Project ; National Program on Key Research and Development Project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; China National Space Administration (CNSA) ; China National Space Administration (CNSA) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; National Program on Key Research and Development Project ; National Program on Key Research and Development Project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; China National Space Administration (CNSA) ; China National Space Administration (CNSA) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; National Program on Key Research and Development Project ; National Program on Key Research and Development Project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; China National Space Administration (CNSA) ; China National Space Administration (CNSA) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; National Program on Key Research and Development Project ; National Program on Key Research and Development Project ; National Natural Science Foundation of China ; National Natural Science Foundation of China
DOI10.3847/1538-4365/ac16db
WOS KeywordCALIBRATION ; ONBOARD
Language英语
Funding ProjectChina National Space Administration (CNSA) ; Chinese Academy of Sciences (CAS) ; National Program on Key Research and Development Project[2016YFA0400802] ; National Natural Science Foundation of China[U1838202] ; National Natural Science Foundation of China[U1838201] ; National Natural Science Foundation of China[U1838110]
Funding OrganizationChina National Space Administration (CNSA) ; China National Space Administration (CNSA) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; National Program on Key Research and Development Project ; National Program on Key Research and Development Project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; China National Space Administration (CNSA) ; China National Space Administration (CNSA) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; National Program on Key Research and Development Project ; National Program on Key Research and Development Project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; China National Space Administration (CNSA) ; China National Space Administration (CNSA) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; National Program on Key Research and Development Project ; National Program on Key Research and Development Project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; China National Space Administration (CNSA) ; China National Space Administration (CNSA) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; National Program on Key Research and Development Project ; National Program on Key Research and Development Project ; National Natural Science Foundation of China ; National Natural Science Foundation of China
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000706852200001
PublisherIOP Publishing Ltd
Citation statistics
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/74817
Collection中国科学院国家天文台
Corresponding AuthorYou, Yuan; Liao, Jin-Yuan
Affiliation1.Chinese Acad Sci, Inst High Energy Phys, Key Lab Particle Astrophys, Beijing 100049, Peoples R China
2.Univ Chinese Acad Sci, Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
4.Tsinghua Univ, Dept Astron, Beijing 100084, Peoples R China
5.Xiangtan Univ, Key Lab Stellar & Interstellar Phys, Xiangtan 411105, Hunan, Peoples R China
6.Xiangtan Univ, Sch Phys & Optoelect, Xiangtan 411105, Hunan, Peoples R China
Recommended Citation
GB/T 7714
You, Yuan,Liao, Jin-Yuan,Zhang, Shuang-Nan,et al. A Parametric Model to Reproduce the Background of the Insight-HXMT/HE Blind Detector[J]. ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES,2021,256(2):15.
APA You, Yuan.,Liao, Jin-Yuan.,Zhang, Shuang-Nan.,Zhang, Shu.,Lu, Xue-Feng.,...&Zhao, Hai-Sheng.(2021).A Parametric Model to Reproduce the Background of the Insight-HXMT/HE Blind Detector.ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES,256(2),15.
MLA You, Yuan,et al."A Parametric Model to Reproduce the Background of the Insight-HXMT/HE Blind Detector".ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES 256.2(2021):15.
Files in This Item:
There are no files associated with this item.
Related Services
Recommend this item
Bookmark
Usage statistics
Export to Endnote
Google Scholar
Similar articles in Google Scholar
[You, Yuan]'s Articles
[Liao, Jin-Yuan]'s Articles
[Zhang, Shuang-Nan]'s Articles
Baidu academic
Similar articles in Baidu academic
[You, Yuan]'s Articles
[Liao, Jin-Yuan]'s Articles
[Zhang, Shuang-Nan]'s Articles
Bing Scholar
Similar articles in Bing Scholar
[You, Yuan]'s Articles
[Liao, Jin-Yuan]'s Articles
[Zhang, Shuang-Nan]'s Articles
Terms of Use
No data!
Social Bookmark/Share
All comments (0)
No comment.
 

Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.