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Hurst parameter analysis of radio pulsar timing residuals
Na, X. S.1,2; Wang, N.3; Yuan, J. P.3; Liu, Z. Y.3; Esamdin, A.3; Pan, J.4; Xu, R. X.1,2
2011-04-01
Source PublicationMONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
ISSN0035-8711
Volume412Issue:4Pages:2678-2684
Contribution Rank3
Abstract

We analyse the timing residuals for 50 pulsars observed using the Nanshan 25-m radio telescope at Urumqi Observatory by determining the Hurst parameter for each data set using the rescaled range method. These pulsars have been observed over a time span of 5-8 yr and have been selected to have timing residuals that resemble white noise rather than smooth curves. The results are compared with those for shuffled residual series. Despite the noise-like appearance, some timing residual series showed Hurst parameters that deviated significantly from the shuffled series. We conclude that Hurst parameter analysis is capable of detecting long-term memory in timing residuals.

KeywordMethods: Statistical Pulsars: General
SubtypeArticle
Subject Area致密天体、高能和基础物理
DOI10.1111/j.1365-2966.2010.18104.x
WOS HeadingsScience & Technology ; Physical Sciences
Indexed BySCI
Language英语
Funding Project脉冲星研究团组
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000289295800043
Funding OrganizationNational Natural Science Foundation of China (10973002, 10935001) ; the National Basic Research Program of China (2009CB824800)
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.xao.ac.cn/handle/45760611-7/79
Collection射电天文研究室_脉冲星研究团组
射电天文研究室
光学天文与技术应用研究室
其它
Corresponding AuthorNa, X. S.
Affiliation1.Peking Univ, Sch Phys, Beijing 100871, Peoples R China
2.Peking Univ, State Key Lab Nucl Phys & Technol, Beijing 100871, Peoples R China
3.Natl Astron Observ, Urumqi Observ, Urumqi 830011, Peoples R China
4.Acad Sinica, Purple Mt Observ, Nanjing 210008, Peoples R China
Recommended Citation
GB/T 7714
Na, X. S.,Wang, N.,Yuan, J. P.,et al. Hurst parameter analysis of radio pulsar timing residuals[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2011,412(4):2678-2684.
APA Na, X. S..,Wang, N..,Yuan, J. P..,Liu, Z. Y..,Esamdin, A..,...&Xu, R. X..(2011).Hurst parameter analysis of radio pulsar timing residuals.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,412(4),2678-2684.
MLA Na, X. S.,et al."Hurst parameter analysis of radio pulsar timing residuals".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 412.4(2011):2678-2684.
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