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Constant cyclotron line energy in Hercules X-1 - Joint Insight-HXMT and NuSTAR observations

文献类型：期刊论文

作者Xiao, G. C.1,2; Ji, L.3; Staubert, R.3; Ge, M. Y.1; Zhang, S.1,2; Zhang, S. N.1,2; Santangelo, A.3; Ducci, L.3; Liao, J. Y.1; Guo, C. C.1,2
刊名JOURNAL OF HIGH ENERGY ASTROPHYSICS
出版日期2019-08-01
卷号23页码:29-32
ISSN号2214-4048
关键词Stars: neutron star Pulsars: binary(Her X-1) X-rays: stars
DOI10.1016/j.jheap.2019.09.002
英文摘要The long-term evolution of the centroid energy of the CRSF in Her X-1 is still a mystery. We report a new measurement from a campaign between Insight-HXMT and NuSTAR performed in February 2018. Generally, the two satellites show well consistent results of timing and spectral properties. The joint spectral analysis confirms that the previously observed long decay phase has ended, and that the line energy instead keeps constant around 37.5 keV after flux correction. (C) 2019 The Author(s). Published by Elsevier B.V.
WOS关键词X-RAY-SPECTRUM ; DISCOVERY
资助项目National Key R&D Program of China[2016YFA0400800] ; National Natural Science Foundation of China[11673023] ; National Natural Science Foundation of China[U1838201] ; National Natural Science Foundation of China[U1838202] ; National Natural Science Foundation of China[U1838104] ; China National Space Administration (CNSA) ; Chinese Academy of Sciences (CAS)
WOS研究方向Astronomy & Astrophysics
语种英语
出版者ELSEVIER
WOS记录号WOS:000495071100005
资助机构National Key R&D Program of China ; National Key R&D Program of China ; 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 Key R&D Program of China ; National Key R&D Program of China ; 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 Key R&D Program of China ; National Key R&D Program of China ; 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 Key R&D Program of China ; National Key R&D Program of China ; 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)
源URL[http://ir.bao.ac.cn/handle/114a11/28193]  
专题中国科学院国家天文台
通讯作者Ge, M. Y.
作者单位1.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.Inst Astron & Astrophys, Sand 1, D-72076 Tubingen, Germany
4.Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China
5.Beijing Normal Univ, Dept Astron, Beijing 100088, Peoples R China
6.Tsinghua Univ, Dept Engn Phys, Beijing 100084, Peoples R China
7.Chinese Acad Sci, Natl Astron Observ, Key Lab Space Astron & Technol, Beijing 100012, Peoples R China
8.Sabanaci Univ, Fac Engn & Nat Sci, TR-34956 Istanbul, Turkey
推荐引用方式
GB/T 7714		 Xiao, G. C.,Ji, L.,Staubert, R.,et al. Constant cyclotron line energy in Hercules X-1 - Joint Insight-HXMT and NuSTAR observations[J]. JOURNAL OF HIGH ENERGY ASTROPHYSICS,2019,23:29-32.
APA Xiao, G. C..,Ji, L..,Staubert, R..,Ge, M. Y..,Zhang, S..,...&Zhu, Y. X..(2019).Constant cyclotron line energy in Hercules X-1 - Joint Insight-HXMT and NuSTAR observations.JOURNAL OF HIGH ENERGY ASTROPHYSICS,23,29-32.
MLA Xiao, G. C.,et al."Constant cyclotron line energy in Hercules X-1 - Joint Insight-HXMT and NuSTAR observations".JOURNAL OF HIGH ENERGY ASTROPHYSICS 23(2019):29-32.

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