Pulsar Discovery by Global Volunteer Computing: Fig. 1

Knispel, B.; Allen, B.; Cordes, J. M.; Deneva, J. S.; Anderson, D.; Aulbert, C; Bhat, N. D. R.; Bock, O; Bogdanov, S; Brazier, A; Camilo, F.; Champion, D. J.; Chatterjee, S; Crawford, F.; Demorest, P. B.; Fehrmann, H.; Freire, P. C. C.; Gonzalez, M. E.; Hammer, D.; Hessels, J. W. T.; Jenet, F. A.; Kasian, L.; Kaspi, V M; Kramer, M.; Lazarus, P.; van Leeuwen, J.; Lorimer, D. R.; Lyne, A G; Machenschalk, B; McLaughlin, M. A.; Messenger, C.; Nice, D. J.; Papa, M. A.; Pletsch, H. J.; Prix, R; Ransom, S. M.; Siemens, X; Stairs, I. H.; Stappers, B. W.; Stovall, K.; Venkataraman, A.

doi:10.1126/science.1195253

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Pulsar Discovery by Global Volunteer Computing: Fig. 1

Author(s): B. Knispel , B. Allen , J. M. Cordes , J. S. Deneva , D. Anderson , C. Aulbert , N. D. R. Bhat , O. Bock , S. Bogdanov , A. Brazier , F. Camilo , D. J. Champion , S. Chatterjee , F. Crawford , P. B. Demorest , H. Fehrmann , P. C. C. Freire , M. E. Gonzalez , D. Hammer , J. W. T. Hessels , F. A. Jenet , L. Kasian , V. M. Kaspi , M. Kramer , P. Lazarus , J. van Leeuwen , D. R. Lorimer , A. G. Lyne , B. Machenschalk , M. A. McLaughlin , C. Messenger , D. J. Nice , M. A. Papa , H. J. Pletsch , R. Prix , S. M. Ransom , X. Siemens , I. H. Stairs , B. W. Stappers , K. Stovall , A. Venkataraman

Publication date Created: September 09 2010

Publication date (Electronic): August 12 2010

Journal: Science

Publisher: American Association for the Advancement of Science (AAAS)

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Abstract

Einstein@Home aggregates the computer power of hundreds of thousands of volunteers from 192 countries to mine large data sets. It has now found a 40.8-hertz isolated pulsar in radio survey data from the Arecibo Observatory taken in February 2007. Additional timing observations indicate that this pulsar is likely a disrupted recycled pulsar. PSR J2007+2722’s pulse profile is remarkably wide with emission over almost the entire spin period; the pulsar likely has closely aligned magnetic and spin axes. The massive computing power provided by volunteers should enable many more such discoveries.