Estimating the masses of three neutron stars by twin kilohertz quasi-periodic oscillations and innermost stable circular orbits: constraining equations of state
文献类型:期刊论文
作者 | Shi, Chang-Sheng2; Zhang, Shuang-Nan1,3,4 |
刊名 | MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY |
出版日期 | 2020-05-01 |
卷号 | 494期号:3页码:4382-4392 |
ISSN号 | 0035-8711 |
关键词 | accretion, accretion discs MHD X-rays: binaries stars: neutron stars: magnetic field equation of state |
DOI | 10.1093/mnras/staa802 |
英文摘要 | We test the magnetohydrodynamics (MHD) model derived by Shi, Zhang and Li by the like-standard deviations of the twin kilohertz (kHz) quasi-periodic oscillation (QPO) frequencies when the modes of the MHD waves in the MHD model are recalculated. A group of approximate equations derived from the MILD equations in the MILD model are proposed. Consequently, the dependence of the twin kHz QPO frequencies on several neutron star (NS) parameters is determined by the approximate equations. Based on the selection criterion that NS parameters corresponding to the minimum like-standard deviation are the most reasonable parameters, the masses of the three NSs in 4U 0614+09, 4U 1636-53 and 4U 1608-52 are estimated as M < 2.60 M-circle dot, 2.00 M-circle dot < M < 2.31 M-circle dot and 2.17 M-circle dot < M < 2.62 M-circle dot, respectively. According to these NS masses, some equations of state for the nuclear matter in compact stars can be ruled out. |
WOS关键词 | ATOLL SOURCE STATES ; X-RAY BINARIES ; BLACK-HOLES ; 4U 1636-53 ; OF-STATE ; FREQUENCY ; MODEL ; ACCRETION ; PULSARS ; RADII |
资助项目 | National Program on Key Research and Development Project[2016YFA0400802] ; National Natural Science Foundation of China[11563003] ; National Natural Science Foundation of China[U1838202] ; program of China Scholarships Council[201907565014] ; Key Research Program of Frontier Sciences, CAS[QYZDY-SSW-SLH008] |
WOS研究方向 | Astronomy & Astrophysics |
语种 | 英语 |
出版者 | OXFORD UNIV PRESS |
WOS记录号 | WOS:000535882100099 |
资助机构 | 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 ; program of China Scholarships Council ; program of China Scholarships Council ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier 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 ; program of China Scholarships Council ; program of China Scholarships Council ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier 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 ; program of China Scholarships Council ; program of China Scholarships Council ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier 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 ; program of China Scholarships Council ; program of China Scholarships Council ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS |
源URL | [http://ir.bao.ac.cn/handle/114a11/54745] |
专题 | 中国科学院国家天文台 |
通讯作者 | Shi, Chang-Sheng |
作者单位 | 1.Chinese Acad Sci, Inst High Energy Phys, Key Lab Particle Astrophys, Beijing 100049, Peoples R China 2.Hainan Univ, Sch Sci, Haikou 570228, Hainan, Peoples R China 3.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China 4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China |
推荐引用方式 GB/T 7714 | Shi, Chang-Sheng,Zhang, Shuang-Nan. Estimating the masses of three neutron stars by twin kilohertz quasi-periodic oscillations and innermost stable circular orbits: constraining equations of state[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2020,494(3):4382-4392. |
APA | Shi, Chang-Sheng,&Zhang, Shuang-Nan.(2020).Estimating the masses of three neutron stars by twin kilohertz quasi-periodic oscillations and innermost stable circular orbits: constraining equations of state.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,494(3),4382-4392. |
MLA | Shi, Chang-Sheng,et al."Estimating the masses of three neutron stars by twin kilohertz quasi-periodic oscillations and innermost stable circular orbits: constraining equations of state".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 494.3(2020):4382-4392. |
入库方式: OAI收割
来源:国家天文台
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