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Triaxially deformed freely precessing neutron stars: continuous electromagnetic and gravitational radiation
Gao, Yong1,2; Shao, Lijing2,3; Xu, Rui2; Sun, Ling4,5; Liu, Chang1,2; Xu, Ren-Xin1,2
2020-10-01
Source PublicationMONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
ISSN0035-8711
Volume498Issue:2Pages:1826-1838
AbstractThe shape of a neutron star (NS) is closely linked to its internal structure and the equation of state of supranuclear matters. A rapidly rotating, asymmetric NS in the Milky Way undergoes free precession, making it a potential source for multimessenger observation. The free precession could manifest in (i) the spectra of continuous gravitational waves (GWs) in the kilohertz (kHz) band for ground-based GW detectors, and (ii) the timing behaviour and pulse-profile characteristics if the NS is monitored as a pulsar with radio and/or X-ray telescopes. We extend previous work and investigate in great detail the free precession of a triaxially deformed NS with analytical and numerical approaches. In particular, its associated continuous GWs and pulse signals are derived. Explicit examples are illustrated for the continuous GWs, as well as timing residuals in both time and frequency domains. These results are ready to be used for future multimessenger observation of triaxially deformed freely precessing NSs, in order to extract scientific implication as much as possible.
Keywordgravitational waves methods: analytical pulsars: general
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; Young Elite Scientists Sponsorship Program by the China Association for Science and Technology ; Young Elite Scientists Sponsorship Program by the China Association for Science and Technology ; Max Planck Partner Group Program - Max Planck Society ; Max Planck Partner Group Program - Max Planck Society ; High-performance Computing Platform of Peking University ; High-performance Computing Platform of Peking University ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; United States National Science Foundation ; United States National Science Foundation ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Young Elite Scientists Sponsorship Program by the China Association for Science and Technology ; Young Elite Scientists Sponsorship Program by the China Association for Science and Technology ; Max Planck Partner Group Program - Max Planck Society ; Max Planck Partner Group Program - Max Planck Society ; High-performance Computing Platform of Peking University ; High-performance Computing Platform of Peking University ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; United States National Science Foundation ; United States National Science Foundation ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Young Elite Scientists Sponsorship Program by the China Association for Science and Technology ; Young Elite Scientists Sponsorship Program by the China Association for Science and Technology ; Max Planck Partner Group Program - Max Planck Society ; Max Planck Partner Group Program - Max Planck Society ; High-performance Computing Platform of Peking University ; High-performance Computing Platform of Peking University ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; United States National Science Foundation ; United States National Science Foundation ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Young Elite Scientists Sponsorship Program by the China Association for Science and Technology ; Young Elite Scientists Sponsorship Program by the China Association for Science and Technology ; Max Planck Partner Group Program - Max Planck Society ; Max Planck Partner Group Program - Max Planck Society ; High-performance Computing Platform of Peking University ; High-performance Computing Platform of Peking University ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; United States National Science Foundation ; United States National Science Foundation
DOI10.1093/mnras/staa2476
WOS KeywordRIGID-BODY DYNAMICS ; WAVES ; QUATERNIONS ; EVOLUTION ; EMISSION ; BODIES
Language英语
Funding ProjectNational Natural Science Foundation of China[11975027] ; National Natural Science Foundation of China[11991053] ; National Natural Science Foundation of China[11721303] ; National Natural Science Foundation of China[11673002] ; Young Elite Scientists Sponsorship Program by the China Association for Science and Technology[2018QNRC001] ; Max Planck Partner Group Program - Max Planck Society ; High-performance Computing Platform of Peking University ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDB23010200] ; United States National Science Foundation[PHY-1764464] ; United States National Science Foundation[PHY-0823459]
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; Young Elite Scientists Sponsorship Program by the China Association for Science and Technology ; Young Elite Scientists Sponsorship Program by the China Association for Science and Technology ; Max Planck Partner Group Program - Max Planck Society ; Max Planck Partner Group Program - Max Planck Society ; High-performance Computing Platform of Peking University ; High-performance Computing Platform of Peking University ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; United States National Science Foundation ; United States National Science Foundation ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Young Elite Scientists Sponsorship Program by the China Association for Science and Technology ; Young Elite Scientists Sponsorship Program by the China Association for Science and Technology ; Max Planck Partner Group Program - Max Planck Society ; Max Planck Partner Group Program - Max Planck Society ; High-performance Computing Platform of Peking University ; High-performance Computing Platform of Peking University ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; United States National Science Foundation ; United States National Science Foundation ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Young Elite Scientists Sponsorship Program by the China Association for Science and Technology ; Young Elite Scientists Sponsorship Program by the China Association for Science and Technology ; Max Planck Partner Group Program - Max Planck Society ; Max Planck Partner Group Program - Max Planck Society ; High-performance Computing Platform of Peking University ; High-performance Computing Platform of Peking University ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; United States National Science Foundation ; United States National Science Foundation ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Young Elite Scientists Sponsorship Program by the China Association for Science and Technology ; Young Elite Scientists Sponsorship Program by the China Association for Science and Technology ; Max Planck Partner Group Program - Max Planck Society ; Max Planck Partner Group Program - Max Planck Society ; High-performance Computing Platform of Peking University ; High-performance Computing Platform of Peking University ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; United States National Science Foundation ; United States National Science Foundation
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000587746400020
PublisherOXFORD UNIV PRESS
Citation statistics
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/80779
Collection中国科学院国家天文台
Corresponding AuthorShao, Lijing
Affiliation1.Peking Univ, Sch Phys, Dept Astron, Beijing 100871, Peoples R China
2.Peking Univ, Kavli Inst Astron & Astrophys, Beijing 100871, Peoples R China
3.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
4.CALTECH, LIGO Lab, Pasadena, CA 91125 USA
5.Australian Natl Univ, Coll Sci, Ctr Gravitat Astrophys, Acton, ACT 2601, Australia
Recommended Citation
GB/T 7714
Gao, Yong,Shao, Lijing,Xu, Rui,et al. Triaxially deformed freely precessing neutron stars: continuous electromagnetic and gravitational radiation[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2020,498(2):1826-1838.
APA Gao, Yong,Shao, Lijing,Xu, Rui,Sun, Ling,Liu, Chang,&Xu, Ren-Xin.(2020).Triaxially deformed freely precessing neutron stars: continuous electromagnetic and gravitational radiation.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,498(2),1826-1838.
MLA Gao, Yong,et al."Triaxially deformed freely precessing neutron stars: continuous electromagnetic and gravitational radiation".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 498.2(2020):1826-1838.
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