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Investigation of the Millisecond Pulsar Origins by their Spin Periods at the Wavebands of Radio, X-Ray, and gamma-Ray
Wang, De-Hua1; Zhang, Cheng-Min2,3,4,5; Wang, Shuang-Qiang6
2019-02-01
Source PublicationPUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC
ISSN0004-6280
Volume131Issue:996Pages:8
Corresponding AuthorWang, De-Hua(wangdh@gznu.edu.cn)
Abstract\To track the formation and evolution links of the millisecond pulsars (MSPs) powered by accretion and rotation in the Galactic field, we investigate the spin period (P) and spin-down power (over dot (E)) distributions of the MSPs observed at the wavebands of radio, X-ray, and gamma-ray. We find that all but one (119/120) of the gamma-ray MSPs have been detected with the radio signals (radio+gamma MSPs); on the contrary, nearly half of the radio MSPs (118/237) have not been detected with gamma-rays (radio-only MSPs). In addition, the radio+gamma MSPs are shown to be the relative faster and more energetic objects (< P > similar to 3.28 ms and < over dot (E)> similar to 4.5 x 10(34) erg s(-1)) compared with the radio-only MSPs (< P > similar to 4.70 ms and < over dot (E)> similar to 1.0 x 10(34) erg s(-1)), while the spin periods of these two MSP populations are compatible with the log-normal distributions by the statistical tests. Most rotation-powered MSPs (RMSPs) with the radio eclipsing (31/34) exhibit the radio+gamma signals, which share the faster spin (< P > similar to 2.78 ms) and larger spin-down power < over dot (E)> similar to 4.1 x 10(34) erg s(-1)) distributions than the non-eclipsing ones (< P > similar to 4.19 ms, < over dot (E)> similar to 2.4 x 10(34) erg s(-1)), implying the radio+gamma MSPs to be younger than the radio-only MSPs. It is noticed that the spin distribution of the accretion-powered X-ray MSPs shows a clustering phenomenon around similar to 1.6-2.0 ms, which is not observed in RMSPs, hinting that the RMSPs may experience the multiple possible origins. Particularly, all the three super-fast spinning RMSPs with P similar to 1.4-1.6 ms exhibit the non-eclipsing, and we argue that they may be the distinctive sources formed by the accretion induced collapse (AIC) of white dwarfs.
Keyword(stars:) pulsars: general stars: neutron gamma-rays: stars X-rays: binaries accretion accretion disks
DOI10.1088/1538-3873/aaecc7
WOS KeywordNEUTRON-STAR ; ORBITAL EVOLUTION ; SAX J1808.4-3658 ; MAGNETIC-FIELD ; ACCRETION ; BINARY ; ROTATION ; OUTBURST
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000453316700001
PublisherIOP PUBLISHING LTD
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Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/20563
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, Beijing 100101, Peoples R China
3.Univ Chinese Acad Sci, Sch Phys Sci, Beijing 101400, Peoples R China
4.Chinese Acad Sci, CAS Key Lab FAST, Beijing 100101, Peoples R China
5.Chinese Acad Sci, Key Lab Radio Astron, Beijing 100101, Peoples R China
6.Chinese Acad Sci, Xinjiang Astron Observ, Urumqi 830011, Peoples R China
Recommended Citation
GB/T 7714
Wang, De-Hua,Zhang, Cheng-Min,Wang, Shuang-Qiang. Investigation of the Millisecond Pulsar Origins by their Spin Periods at the Wavebands of Radio, X-Ray, and gamma-Ray[J]. PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC,2019,131(996):8.
APA Wang, De-Hua,Zhang, Cheng-Min,&Wang, Shuang-Qiang.(2019).Investigation of the Millisecond Pulsar Origins by their Spin Periods at the Wavebands of Radio, X-Ray, and gamma-Ray.PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC,131(996),8.
MLA Wang, De-Hua,et al."Investigation of the Millisecond Pulsar Origins by their Spin Periods at the Wavebands of Radio, X-Ray, and gamma-Ray".PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC 131.996(2019):8.
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