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题名: Searching for gravitational wave memory bursts with the Parkes Pulsar Timing Array
作者: Wang, J. B.1, 2, 3; Hobbs, G.3; Coles, W.4; Shannon, R. M.3; Zhu, X. J.3, 5; Madison, D. R.6, 7; Kerr, M.3; Ravi, V.3, 8; Keith, M. J.9; Manchester, R. N.3; Levin, Y.10; Bailes, M.11; Bhat, N. D. R.12; Burke-Spolaor, S.13; Dai, S.3, 14; Oslowski, S.15, 16; van Straten, W.11; Toomey, L.3; Wang, N.1, 17; Wen, L.5
刊名: MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
出版日期: 2015-01-11
卷号: 446, 期号:2, 页码:1657-1671
关键词: gravitational waves ; methods: data analysis ; pulsars: general
DOI: 10.1093/mnras/stu2137
文章类型: Article
英文摘要: Anisotropic bursts of gravitational radiation produced by events such as supermassive black hole mergers leave permanent imprints on space. Such gravitational wave 'memory' (GWM) signals are, in principle, detectable through pulsar timing as sudden changes in the apparent pulse frequency of a pulsar. If an array of pulsars is monitored as a GWM signal passes over the Earth, the pulsars would simultaneously appear to change pulse frequency by an amount that varies with their sky position in a quadrupolar fashion. Here, we describe a search algorithm for such events and apply the algorithm to approximately six years of data from the Parkes Pulsar Timing Array. We find no GWM events and set an upper bound on the rate for events which could have been detected. We show, using simple models of black hole coalescence rates, that this non-detection is not unexpected.
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Astronomy & Astrophysics
研究领域[WOS]: Astronomy & Astrophysics
关键词[WOS]: HOLE BINARY-SYSTEMS ; MILLISECOND PULSARS ; PRECISION ; LIMITS ; NOISE ; RADIATION ; PACKAGE ; TEMPO2
收录类别: SCI
语种: 英语
WOS记录号: WOS:000350272200043
Citation statistics:
内容类型: 期刊论文
URI标识: http://libir.pmo.ac.cn/handle/332002/15781
Appears in Collections:毫米波和亚毫米波技术实验室_期刊论文

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作者单位: 1.Chinese Acad Sci, Xinjiang Astron Observ, Urumqi 830011, Xinjiang, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Australia Telescope Natl Facil, CSIRO Astron & Space Sci, Epping, NSW 1710, Australia
4.Univ Calif San Diego, Elect & Comp Engn, La Jolla, CA 92093 USA
5.Univ Western Australia, Sch Phys, Crawley, WA 6009, Australia
6.Cornell Univ, Dept Astron, Ithaca, NY 14850 USA
7.Cornell Univ, Ctr Radiophys & Space Res, Ithaca, NY 14850 USA
8.Univ Melbourne, Sch Phys, Melbourne, Vic 3010, Australia
9.Univ Manchester, Jodrell Bank, Ctr Astrophys, Sch Phys & Astron, Manchester M13 9PL, Lancs, England
10.Monash Univ, Sch Phys, Clayton, Vic 3800, Australia
11.Swinburne Univ Technol, Ctr Astrophys & Supercomp, Hawthorn, Vic 3122, Australia
12.Curtin Univ Technol, Int Ctr Radio Astron Res, Bentley, WA 6102, Australia
13.CALTECH, Pasadena, CA 91125 USA
14.Peking Univ, Sch Phys, Dept Astron, Beijing 100871, Peoples R China
15.Max Planck Inst Radioastron, D-53121 Bonn, Germany
16.Univ Bielefeld, Dept Phys, D-33615 Bielefeld, Germany
17.Chinese Acad Sci, Key Lab Radio Astron, Nanjing 210008, Peoples R China
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