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题名: Predicted values of braking indexes and second frequency derivatives for magnetars
作者: Gao, Z. F.1, 2; Zhao, X. J.3; Song, D. L.4; Liu, N.5; Wang, N.1, 2
刊名: ASTRONOMISCHE NACHRICHTEN
出版日期: 2014-08-01
卷号: 335, 期号:6-7, 页码:653-659
关键词: supernova remnants ; stars: magnetars ; stars: neutron
DOI: 10.1002/asna.201412088
文章类型: Article
英文摘要: 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
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Astronomy & Astrophysics
研究领域[WOS]: Astronomy & Astrophysics
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记录号: WOS:000343759800016
Citation statistics:
内容类型: 期刊论文
URI标识: http://libir.pmo.ac.cn/handle/332002/15666
Appears in Collections:暗物质和空间天文实验室_期刊论文

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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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