An extremely bright gamma-ray pulsar in the Large Magellanic Cloud
Journal
Date Issued
2015
Author(s)
Fermi LAT Collaboration
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Ackermann, M.
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Albert, A.
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Baldini, L.
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Ballet, J.
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Barbiellini, G.
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Barbieri, C.
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Bastieri, D.
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Bellazzini, R.
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Bissaldi, E.
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Bonino, R.
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Lovellette, M. N.
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Lubrano, P.
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Maldera, S.
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Manfreda, A.
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Marshall, F.
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Martin, P.
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Mayer, M.
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Mazziotta, M. N.
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Michelson, P. F.
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Mirabal, N.
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Ohsugi, T.
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Mizuno, T.
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Monzani, M. E.
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Morselli, A.
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Moskalenko, I. V.
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Murgia, S.
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Naletto, G.
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Nuss, E.
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Orlando, E.
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Paneque, D.
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Pesce-Rollins, M.
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Piron, F.
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Pivato, G.
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Porter, T. A.
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Rainò, S.
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Rando, R.
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Sgrò, C.
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Razzano, M.
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Reimer, A.
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Reimer, O.
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Reposeur, T.
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Romani, R. W.
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Parkinson, P. M. Saz
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Schulz, A.
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Siskind, E. J.
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Smith, D. A.
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Spada, F.
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Spandre, G.
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Spinelli, P.
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Suson, D. J.
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Takahashi, H.
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Thayer, J. B.
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Thompson, D. J.
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Bottacini, E.
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Tibaldo, L.
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Torres, D. F.
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Uchiyama, Y.
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Vianello, G.
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Wood, K. S.
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Wood, M.
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Brandt, T. J.
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Bregeon, J.
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Bruel, P.
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Buehler, R.
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Caliandro, G. A.
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Cameron, R. A.
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Cecchi, C.
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Charles, E.
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Chekhtman, A.
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Cheung, C. C.
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Chiang, J.
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Chiaro, G.
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Ciprini, S.
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Cohen-Tanugi, J.
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Cuoco, A.
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Cutini, S.
•
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Desiante, F. de Palma R.
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Digel, S. W.
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Di Venere, L.
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Drell, P. S.
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Favuzzi, C.
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Fegan, S. J.
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Ferrara, E. C.
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Franckowiak, A.
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Funk, S.
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Fusco, P.
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Gargano, F.
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Gasparrini, D.
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Giglietto, N.
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Giordano, F.
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Godfrey, G.
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Grenier, I. A.
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Grondin, M. -H.
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Grove, J. E.
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Guillemot, L.
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Guiriec, S.
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Hagiwara, K.
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Harding, A. K.
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Hays, E.
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Hewitt, J. W.
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Hill, A. B.
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Horan, D.
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Johnson, T. J.
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Knödlseder, J.
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Kuss, M.
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Larsson, S.
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Latronico, L.
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Lemoine-Goumard, M.
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Li, J.
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Li, L.
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Longo, F.
•
Loparco, F.
Abstract
Pulsars are rapidly spinning, highly magnetized neutron stars, created in the gravitational collapse of massive stars. We report the detection of pulsed giga-electron volt gamma rays from the young pulsar PSR J0540-6919 in the Large Magellanic Cloud, a satellite galaxy of the Milky Way. This is the first gamma-ray pulsar detected in another galaxy. It has the most luminous pulsed gamma-ray emission yet observed, exceeding the Crab pulsar’s by a factor of 20. PSR J0540-6919 presents an extreme test case for understanding the structure and evolution of neutron star magnetospheres.
Volume
350
Issue
6262
Start page
801
Issn Identifier
0036-8075
Ads BibCode
2015Sci...350..801F
Rights
open.access
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