Predicted values of braking indexes and second frequency derivatives for magnetars

doi:10.1002/asna.201412088

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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
Source Publication	ASTRONOMISCHE NACHRICHTEN
Volume	335 Issue:6-7 Pages:653-659
Contribution Rank	1
Abstract	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
Keyword	Supernova Remnants Stars: Magnetars Stars: Neutron
Subtype	Article
DOI	10.1002/asna.201412088
WOS Headings	Science & Technology ; Physical Sciences
Indexed By	SCI
Language	英语
WOS Keyword	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
WOS Research Area	Astronomy & Astrophysics
WOS Subject	Astronomy & Astrophysics
WOS ID	WOS:000343759800016
Citation statistics	Cited Times:7[WOS] [WOS Record] [Related Records in WOS]
Document Type	期刊论文
Identifier	http://ir.xao.ac.cn/handle/45760611-7/594
Collection	射电天文研究室_脉冲星研究团组射电天文研究室其它
Affiliation	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
First Author Affilication	Xinjiang Astronomical Observatory, Chinese Academy of Sciences
Recommended Citation GB/T 7714	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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