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Evolution implications of neutron star magnetic fields: inferred from pulsars and cyclotron lines of HMXBs
Ye, Chang-Qing1; Wang, De-Hua1; Zhang, Cheng-Min2,3,4; Diao, Zhen-Qi1
2019-11-01
Source PublicationASTROPHYSICS AND SPACE SCIENCE
ISSN0004-640X
Volume364Issue:11Pages:7
Corresponding AuthorWang, De-Hua()
AbstractThe evolution of neutron star (NS) magnetic field (B-field) has long been an important topic, which is still not yet settled down. Here, we analyze the NS B-fields inferred by the cyclotron resonance scattering features (CRSFs) for the high mass X-ray binaries (HMXBs) and by the magnetic dipole model for the spin-down pulsars. We find that the B-fields of both the 32 NS-HMXBs and 28 young pulsars with the supernova remnants follow the log-normal distributions, with the average values of 3.4 x 10(12) G and 4.1 x 10(12) G respectively, which are further verified to come from the same continuous distribution by the statistical tests. These results declaim that the two methods of measuring NS B-fields are reliable for the above two groups of samples. In addition, since the NS-HMXBs have experienced the spin-down phase as the normal pulsars without accretion and then the spin-up phase by accretion, their ages should be about million years (Myrs). Our statistical facts imply that the B-fields of NS-HMXBs have little decayed in their non-accretion spin-down phases of similar to Myrs, as well as in their accretion phases of similar to 0.1 Myrs.
KeywordX-rays: binaries Stars: neutron Pulsars: general Magnetic field
DOI10.1007/s10509-019-3690-1
WOS KeywordRESONANCE SCATTERING FEATURE ; X-RAY BINARIES ; ABSORPTION-LINE ; VELA X-1 ; GINGA OBSERVATIONS ; ORBITAL PERIOD ; DISCOVERY ; MASS ; ACCRETION ; SPECTRUM
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000497690200001
PublisherSPRINGER
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Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/35251
Collection中国科学院紫金山天文台
Corresponding AuthorWang, De-Hua
Affiliation1.Guizhou Normal Univ, Sch Phys & Elect Sci, Guiyang 550001, Guizhou, Peoples R China
2.Chinese Acad Sci, Natl Astron Observ, CAS Key Lab FAST, Beijing 100012, Peoples R China
3.Univ Chinese Acad Sci, Sch Phys Sci, Beijing 100049, Peoples R China
4.Chinese Acad Sci, Key Lab Radio Astron, Beijing 100012, Peoples R China
Recommended Citation
GB/T 7714
Ye, Chang-Qing,Wang, De-Hua,Zhang, Cheng-Min,et al. Evolution implications of neutron star magnetic fields: inferred from pulsars and cyclotron lines of HMXBs[J]. ASTROPHYSICS AND SPACE SCIENCE,2019,364(11):7.
APA Ye, Chang-Qing,Wang, De-Hua,Zhang, Cheng-Min,&Diao, Zhen-Qi.(2019).Evolution implications of neutron star magnetic fields: inferred from pulsars and cyclotron lines of HMXBs.ASTROPHYSICS AND SPACE SCIENCE,364(11),7.
MLA Ye, Chang-Qing,et al."Evolution implications of neutron star magnetic fields: inferred from pulsars and cyclotron lines of HMXBs".ASTROPHYSICS AND SPACE SCIENCE 364.11(2019):7.
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