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Polarization observations of 20 millisecond pulsars
W.M.Yan1,2; R.N.Manchester3; W.van Straten4; J.E.Reynolds3; G.Hobbs3; N.Wang1; M.Bailes4; N.D.R.Bhat4; S.Burke-Spolaor3,4; D.J.Champion3,5; W.A.Coles6; A.W.Hotan4,7; J.Khoo3; S Oslowski3,4; J.M.Sarkissian3; J.P.W.Verbiest4,5; D.R.B.Yardley3,8
Source PublicationMonthly Notices of the Royal Astronomical Society
Contribution Rank1

Polarization profiles are presented for 20 millisecond pulsars that are being observed as part of the Parkes Pulsar Timing Array project. The observations used the Parkes multibeam receiver with a central frequency of 1369 MHz and the Parkes digital filter bank pulsar signal-processing system PDFB2. Because of the large total observing time, the summed polarization profiles have very high signal-to-noise ratios and show many previously undetected profile features. 13 of the 20 pulsars show emission over more than half of the pulse period. Polarization variations across the profiles are complex, and the observed position angle variations are generally not in accord with the rotating vector model for pulsar polarization. Nevertheless, the polarization properties are broadly similar to those of normal (non-millisecond) pulsars, suggesting that the basic radio emission mechanism is the same in both classes of pulsar. The results support the idea that radio emission from millisecond pulsars originates high in the pulsar magnetosphere, probably close to the emission regions for high-energy X-ray and gamma-ray emission. Rotation measures were obtained for all 20 pulsars, eight of which had no previously published measurements.

KeywordPolarization Pulsars: General Radio Continuum: Stars
Subject Area致密天体、高能和基础物理
Indexed BySCI
Funding Project脉冲星研究团组
WOS IDWOS:000292977600021
Funding OrganizationRNM’s Australian Research Council Federation Fellowship (#FF0348478) ; Australian ResearchCouncil QEII Fellowship (#DP0878388) ; NSFC project 10673021 ; Knowledge Innovation Programme ofthe Chinese Academy of Sciences, grant no. KJCX2-YW-T09 ; National Basic Research Programme of China (973 Programme2009CB824800)
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Cited Times:58[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorW.M.Yan
Affiliation1.Urumqi Observatory, NAOC, 40-5 South Beijing Road, Urumqi, Xinjiang 830011, China
2.Graduate University of Chinese Academy of Sciences, 19A Yuquan Road, Beijing 100049, China
3.CSIRO Astronomy and Space Science, Australia Telescope National Facility, PO Box 76, Epping, NSW 1710, Australia
4.Centre for Astrophysics and Supercomputing, Swinburne University of Technology, PO Box 218, Hawthorn, VIC 3122, Australia
5.Max-Planck-Institut f¨ur Radioastronomie, Auf dem H¨ugel 69, 53121 Bonn, Germany
6.Electrical and Computer Engineering, University of California at San Diego, La Jolla, CA 92093, USA
7.Curtin Institute of Radio Astronomy, Curtin University, Bentley, WA 6102, Australia
8.Sydney Institute for Astronomy, School of Physics, The University of Sydney, NSW 2006, Australia
First Author AffilicationXinjiang Astronomical Observatory, Chinese Academy of Sciences
Corresponding Author AffilicationXinjiang Astronomical Observatory, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
W.M.Yan,R.N.Manchester,W.van Straten,et al. Polarization observations of 20 millisecond pulsars[J]. Monthly Notices of the Royal Astronomical Society,2011,414(3):2087-2100.
APA W.M.Yan.,R.N.Manchester.,W.van Straten.,J.E.Reynolds.,G.Hobbs.,...&D.R.B.Yardley.(2011).Polarization observations of 20 millisecond pulsars.Monthly Notices of the Royal Astronomical Society,414(3),2087-2100.
MLA W.M.Yan,et al."Polarization observations of 20 millisecond pulsars".Monthly Notices of the Royal Astronomical Society 414.3(2011):2087-2100.
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