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  The Einstein@Home search for radio pulsars and PSR J2007+2722 discovery

Allen, B., Knispel, B., Cordes, J. M., Deneva, J. S., Hessels, J. W. T., Anderson, D., et al. (2013). The Einstein@Home search for radio pulsars and PSR J2007+2722 discovery. Astrophysical Journal, 773(2): 91. doi:10.1088/0004-637X/773/2/91.

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Datensatz-Permalink: http://hdl.handle.net/11858/00-001M-0000-000E-E955-A Versions-Permalink: http://hdl.handle.net/11858/00-001M-0000-0014-A179-2
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1303.0028 (Preprint), 4MB
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 Urheber:
Allen, B.1, Autor              
Knispel, B.1, Autor              
Cordes, J. M., Autor
Deneva, J. S., Autor
Hessels, J. W. T., Autor
Anderson, D., Autor
Aulbert, C.1, Autor              
Bock, O.1, Autor              
Brazier, A., Autor
Chatterjee, S., Autor
Demorest, P. B., Autor
Eggenstein, H. B.2, Autor
Fehrmann, H.1, Autor              
Gotthelf, E. V., Autor
Hammer, D., Autor
Kaspi, V. M., Autor
Kramer, M., Autor
Lyne, A. G., Autor
Machenschalk, B.1, Autor              
McLaughlin, M. A., Autor
Messenger, C.1, Autor              Pletsch, H.1, Autor              Ransom, S. M., AutorStairs, I. H., AutorStappers, B. W., AutorBhat, N. D. R., AutorBogdanov, S., AutorCamilo, F., AutorChampion, D. J., AutorCrawford, F., AutorDesvignes, G., AutorFreire, P. C. C., AutorHeald, G., AutorJenet, F. A., AutorLazarus, P., AutorLee, K. J., Autorvan Leeuwen, J., AutorLynch, R., AutorPapa, M. A.2, Autor              Prix, R.1, Autor              Rosen, R., AutorScholz, P., AutorSiemens, X., AutorStovall, K., AutorVenkataraman, A., AutorZhu, W., Autor mehr..
Affiliations:
1Observational Relativity and Cosmology, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, escidoc:24011              
2Astrophysical Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, escidoc:24013              

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Schlagwörter: Astrophysics, Instrumentation and Methods for Astrophysics, astro-ph.IM, Astrophysics, Galaxy Astrophysics, astro-ph.GA, Astrophysics, High Energy Astrophysical Phenomena, astro-ph.HE
 Zusammenfassung: Einstein@Home aggregates the computer power of hundreds of thousands of volunteers from 192 countries, to search for new neutron stars using data from electromagnetic and gravitational-wave detectors. This paper presents a detailed description of the search for new radio pulsars using PALFA survey data from the Arecibo Observatory. The enormous computing power allows this search to cover a new region of parameter space; it can detect pulsars in binary systems with orbital periods as short as 11 min. We also describe the first Einstein@Home discovery, the 40.8 Hz isolated pulsar PSR J2007+2722, and provide a full timing model. PSR J2007+2722's pulse profile is remarkably wide with emission over almost the entire spin period. This neutron star is most likely a disrupted recycled pulsar, about as old as its characteristic spin-down age of 404 Myr. However there is a small chance that it was born recently, with a low magnetic field. If so, upper limits on the X-ray flux suggest but can not prove that PSR J2007+2722 is at least ~500 kyr old. In the future, we expect that the massive computing power provided by volunteers should enable many additional radio pulsar discoveries.

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 Datum: 2013-02-282013
 Publikationsstatus: Im Druck publiziert
 Seiten: 32 pages, 19 figures, 7 tables
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: -
 Identifikatoren: arXiv: 1303.0028
DOI: 10.1088/0004-637X/773/2/91
 Art des Abschluß: -

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Titel: Astrophysical Journal
Genre der Quelle: Zeitschrift
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Affiliations:
Ort, Verlag, Ausgabe: Chicago, IL : University of Chicago Press for the American Astronomical Society
Seiten: - Band / Heft: 773 (2) Artikelnummer: 91 Start- / Endseite: - Identifikator: ISSN: 0004-637X
CoNE: http://pubman.mpdl.mpg.de/cone/journals/resource/954922828215_2