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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
earth and planetary sciences
Beating the spin-down limit on gravitational wave emission from the Vela pulsar
Astrophysical Journal, Volume 737, No. 2, Article 93, Year 2011
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Description
We present direct upper limits on continuous gravitational wave emission from the Vela pulsar using data from the Virgo detector's second science run. These upper limits have been obtained using three independent methods that assume the gravitational wave emission follows the radio timing. Two of the methods produce frequentist upper limits for an assumed known orientation of the star's spin axis and value of the wave polarization angle of, respectively, 1.9 × 10-24 and 2.2 × 10-24, with 95% confidence. The third method, under the same hypothesis, produces a Bayesian upper limit of 2.1 × 10-24, with 95% degree of belief. These limits are below the indirect spin-down limit of 3.3 × 10-24 for the Vela pulsar, defined by the energy loss rate inferred from observed decrease in Vela's spin frequency, and correspond to a limit on the star ellipticity of ∼10-3. Slightly less stringent results, but still well below the spin-down limit, are obtained assuming the star's spin axis inclination and the wave polarization angles are unknown. © 2011. The American Astronomical Society. All rights reserved.
Authors & Co-Authors
Allen, Bruce
Germany, Potsdam
Max-planck-institut Für Gravitationsphysik Albert-einstein-institut
Germany, Hannover
Gottfried Wilhelm Leibniz Universität Hannover
United States, Milwaukee
University of Wisconsin-milwaukee
Aulbert, Carsten
Germany, Potsdam
Max-planck-institut Für Gravitationsphysik Albert-einstein-institut
Germany, Hannover
Gottfried Wilhelm Leibniz Universität Hannover
Babak, Stanislav V.
Germany, Potsdam
Max-planck-institut Für Gravitationsphysik Albert-einstein-institut
Bauer, Th S.
Netherlands, Amsterdam
Fom-institute of Subatomic Physics - Nikhef
Biswas, Rahul
United States, Milwaukee
University of Wisconsin-milwaukee
Bitossi, Massimiliano
Italy, Pisa
Istituto Nazionale Di Fisica Nucleare, Sezione Di Pisa
Blackburn, Lindy L.
United States, Cambridge
Laser Interferometer Gravitational-wave Observatory
Blair, David Gerald
Australia, Perth
The University of Western Australia
Bock, Oliver
Germany, Potsdam
Max-planck-institut Für Gravitationsphysik Albert-einstein-institut
Germany, Hannover
Gottfried Wilhelm Leibniz Universität Hannover
Bouhou, Boutayeb
France, Paris
L'observatoire de Paris
Boyle, Michael
United States, Pasadena
California Institute of Technology
Brady, Patrick R.
United States, Milwaukee
University of Wisconsin-milwaukee
Brown, Duncan A.
United States, Syracuse
Syracuse University
Bulk, Tomasz
Poland, Warszawa
Polish Academy of Sciences
Poland, Warsaw
University of Warsaw
Buonanno, Alessandra
United States, College Park
University of Maryland, College Park
Cagnoli, Gianpietro
Italy, Sesto Fiorentino
Istituto Nazionale Di Fisica Nucleare, Sezione Di Firenze
Camp, Jordan B.
United States, Greenbelt
Nasa Goddard Space Flight Center
Cavalier, Fabien
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Chen, Yanbei
United States, Pasadena
California Institute of Technology
Christensen, Nelson L.
United States, Northfield
Carleton College, Usa
Colas, Jacques
Unknown Affiliation
Corsi, Alessandra
Italy, Rome
Istituto Nazionale Di Fisica Nucleare - Infn
Coughlin, Michael W.
United States, Northfield
Carleton College, Usa
Coulon, Jean Pierre
France, Paris
Cnrs Centre National de la Recherche Scientifique
Coward, David M.
Australia, Perth
The University of Western Australia
Davier, Michel
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
DeBra, Daniel B.
United States, Palo Alto
Stanford University
DeSalvo, Riccardo
United States, Cambridge
Laser Interferometer Gravitational-wave Observatory
Di Palma, Irene
Germany, Potsdam
Max-planck-institut Für Gravitationsphysik Albert-einstein-institut
Germany, Hannover
Gottfried Wilhelm Leibniz Universität Hannover
Dumas, Jean Charles
Australia, Perth
The University of Western Australia
Edgar, Matthew P.
United Kingdom, Glasgow
University of Glasgow
Engel, Ralph
United States, Cambridge
Laser Interferometer Gravitational-wave Observatory
Evans, Matthew J.
United States, Cambridge
Laser Interferometer Gravitational-wave Observatory
Mikal-Evans, Thomas Michael
United States, Livingston
Ligo Livingston
Fairhurst, Stephen
United Kingdom, Cardiff
Cardiff University
Farr, Benjamin F.
United States, Evanston
Northwestern University
Fehrmann, Henning
Germany, Potsdam
Max-planck-institut Für Gravitationsphysik Albert-einstein-institut
Germany, Hannover
Gottfried Wilhelm Leibniz Universität Hannover
Finn, Lee Samuel
United States, University Park
Pennsylvania State University
García, Javier A.
Unknown Affiliation
Garufi, Fabio S.
Italy, Naples
Istituto Nazionale Di Fisica Nucleare, Sezione Di Napoli
Italy, Naples
Università Degli Studi Di Napoli Federico Ii
Ghosh, Shaon
United States, Pullman
Washington State University Pullman
Gustafson, Richard H.
United States, Ann Arbor
University of Michigan, Ann Arbor
Hanna, Chad R.
United States, Cambridge
Laser Interferometer Gravitational-wave Observatory
Hello, Patrice
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Hendry, Martin A.
United Kingdom, Glasgow
University of Glasgow
Howell, Eric J.
Australia, Perth
The University of Western Australia
Husa, Sascha
Spain, Palma
Universitat de Les Illes Balears
Katsavounidis, Erotokritos
United States, Cambridge
Laser Interferometer Gravitational-wave Observatory
Khazanov, Efim A.
Russian Federation, Nizhny Novgorod
Institute of Applied Physics of the Russian Academy of Sciences
Kopparapu, Ravi Kumar
United States, University Park
Pennsylvania State University
Leroy, Nicolas
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
MacHenschalk, Bernd
Germany, Potsdam
Max-planck-institut Für Gravitationsphysik Albert-einstein-institut
Germany, Hannover
Gottfried Wilhelm Leibniz Universität Hannover
Mandel, Ilya
United States, Evanston
Northwestern University
Marchesoni, Fabio
Italy, Perugia
Istituto Nazionale Di Fisica Nucleare, Sezione Di Perugia
Matzner, Richard A.
United States, Austin
The University of Texas at Austin
McClelland, David E.
Australia, Canberra
The Australian National University
Melissinos, Adrian C.
United States, Rochester
University of Rochester
Meyer, Manuel S.
United States, Livingston
Ligo Livingston
Miller, John A.
United Kingdom, Glasgow
University of Glasgow
Mitselmakher, Guenakh V.
United States, Gainesville
University of Florida
Mueller, Guido
United States, Gainesville
University of Florida
Nelson, John R.
United Kingdom, Glasgow
University of Glasgow
Ott, Christian D.
United States, Pasadena
California Institute of Technology
Pan, Yi
United States, College Park
University of Maryland, College Park
Paoletti, Federico
Italy, Pisa
Istituto Nazionale Di Fisica Nucleare, Sezione Di Pisa
Papa, Maria Alessandra
United States, Milwaukee
University of Wisconsin-milwaukee
Germany, Potsdam
Max-planck-institut Für Gravitationsphysik Albert-einstein-institut
Patel, Pinkesh M.
United States, Cambridge
Laser Interferometer Gravitational-wave Observatory
Pathak, Dhruv
United Kingdom, Cardiff
Cardiff University
Peralta, Carlos
Germany, Potsdam
Max-planck-institut Für Gravitationsphysik Albert-einstein-institut
Pletsch, Holger J.
Germany, Potsdam
Max-planck-institut Für Gravitationsphysik Albert-einstein-institut
Germany, Hannover
Gottfried Wilhelm Leibniz Universität Hannover
Prato, Mirko
Italy, Genoa
Istituto Nazionale Di Fisica Nucleare, Sezione Di Genova
Rolland, Loïc
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Röver, Christian
Germany, Potsdam
Max-planck-institut Für Gravitationsphysik Albert-einstein-institut
Germany, Hannover
Gottfried Wilhelm Leibniz Universität Hannover
Scott, Susan M.
Australia, Canberra
The Australian National University
Seifert, Frank
United States, Cambridge
Laser Interferometer Gravitational-wave Observatory
Sengupta, Anand S.
United States, Cambridge
Laser Interferometer Gravitational-wave Observatory
Shawhan, Peter S.
United States, College Park
University of Maryland, College Park
Siemens, Xavier
United States, Milwaukee
University of Wisconsin-milwaukee
Sigg, Daniel
Unknown Affiliation
Singer, Leo P.
United States, Cambridge
Laser Interferometer Gravitational-wave Observatory
Szokoly, Gyula P.
Hungary, Budapest
Eötvös Loránd Tudományegyetem
Thomas, Peter Joerg W.
Unknown Affiliation
Thorne, Kip S.
United States, Pasadena
California Institute of Technology
Toncelli, Alessandra
Italy, Pisa
Istituto Nazionale Di Fisica Nucleare, Sezione Di Pisa
Italy, Pisa
Università Di Pisa
van den Broeck, Christian
United Kingdom, Cardiff
Cardiff University
Vaulin, Ruslan
United States, Milwaukee
University of Wisconsin-milwaukee
Veitch, John D.
United Kingdom, Cardiff
Cardiff University
Weinstein, Alan J.R.
United States, Cambridge
Laser Interferometer Gravitational-wave Observatory
Yamamoto, Kazuhiro
Germany, Potsdam
Max-planck-institut Für Gravitationsphysik Albert-einstein-institut
Germany, Hannover
Gottfried Wilhelm Leibniz Universität Hannover
Buchner, Sarah J.
South Africa, Krugersdorp
Hartebeesthoek Radio Astronomy Observatory
South Africa, Johannesburg
University of the Witwatersrand
Hotan, Aidan W.
Australia, Canberra
Commonwealth Scientific and Industrial Research Organisation
Statistics
Citations: 91
Authors: 91
Affiliations: 94
Identifiers
Doi:
10.1088/0004-637X/737/2/93
ISSN:
0004637X
Research Areas
Environmental