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Predicted values of braking indexes and second frequency derivatives for magnetars
Gao, Z. F.1,2; Zhao, X. J.3; Song, D. L.4; Liu, N.5; Wang, N.1,2
2014-08-01
发表期刊ASTRONOMISCHE NACHRICHTEN
卷号335期号:6-7页码:653-659
摘要To date, the observational determination of braking indexes of magnetars is still an open question due to the lack of long-term radio emission and strong timing noise. Based on the assumption that the real ages of magnetars are the ages of their host supernova remnants (SNRs), expanding diffuse gaseous nebulae resulting from explosions of massive stars, we obtain the sizes of the braking index n for 11 magnetar candidates with SNRs. According to our calculations, the magnetar braking indexes will be constrained within the range of about 1-40, assuming the measurements of SNRs are reliable. We also investigate the frequency parameters of magnetars with associated SNRs, and estimate possible wind luminosities for magnetars withn < 3 and magnetic field decay rates for magnetars withn > 3. (C) 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
文章类型Article
关键词Supernova Remnants Stars: Magnetars Stars: Neutron
WOS标题词Science & Technology ; Physical Sciences
DOI10.1002/asna.201412088
关键词[WOS]X-RAY PULSAR ; REPEATER SGR 1627-41 ; MAGNETIZED NEUTRON-STARS ; SOFT GAMMA-REPEATERS ; XMM-NEWTON OBSERVATIONS ; SUPERNOVA REMNANT ; 1E 1547.0-5408 ; IA SUPERNOVAE ; TIMING IRREGULARITIES ; CXOU J171405.7-381031
收录类别SCI
语种英语
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
WOS记录号WOS:000343759800016
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文献类型期刊论文
条目标识符http://libir.pmo.ac.cn/handle/332002/15716
专题暗物质和空间天文实验室
作者单位1.Chinese Acad Sci, Xinjiang Astron Observ, Urumqi 830011, Xinjiang, Peoples R China
2.Chinese Acad Sci, Key Lab Radio Astron, Nanjing 210008, Jiangshu, Peoples R China
3.Yi Li Normal Univ, Sch Phys Sci & Technol, Yining 835000, Xinjiang, Peoples R China
4.Informat Engn Univ, Zhengzhou 450001, Henan, Peoples R China
5.Nanchong Profess Tech Coll, Nanchong 637131, Sichuan, Peoples R China
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Gao, Z. F.,Zhao, X. J.,Song, D. L.,et al. Predicted values of braking indexes and second frequency derivatives for magnetars[J]. ASTRONOMISCHE NACHRICHTEN,2014,335(6-7):653-659.
APA Gao, Z. F.,Zhao, X. J.,Song, D. L.,Liu, N.,&Wang, N..(2014).Predicted values of braking indexes and second frequency derivatives for magnetars.ASTRONOMISCHE NACHRICHTEN,335(6-7),653-659.
MLA Gao, Z. F.,et al."Predicted values of braking indexes and second frequency derivatives for magnetars".ASTRONOMISCHE NACHRICHTEN 335.6-7(2014):653-659.
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