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An extremely bright gamma-ray pulsar in the Large Magellanic Cloud
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics. Oskar Klein Centre for Cosmoparticle Physics, Stockholm, Sweden .
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics. Oskar Klein Centre for Cosmoparticle Physics, Stockholm, Sweden .
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Number of Authors: 177
2015 (English)In: Science, Vol. 350, no 6262, 801-805 p.Article in journal (Refereed) Published
Abstract [en]

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.

Place, publisher, year, edition, pages
American Association for the Advancement of Science , 2015. Vol. 350, no 6262, 801-805 p.
National Category
Astronomy, Astrophysics and Cosmology
Identifiers
URN: urn:nbn:se:kth:diva-182046DOI: 10.1126/science.aac7400ISI: 000364897000041ScopusID: 2-s2.0-84946909678OAI: oai:DiVA.org:kth-182046DiVA: diva2:902891
Note

QC 20160212

Available from: 2016-02-12 Created: 2016-02-12 Last updated: 2016-02-12Bibliographically approved

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