Journal
SCIENCE
Volume 325, Issue 5942, Pages 840-844Publisher
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/science.1175558
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Funding
- NASA
- U.S. Department of Energy
- Commissariat a l Energie Atomique and CNRS/Institut National de Physique Nucleaire et de Physique des Particules (France)
- Agenzia Spaziale Italiana
- Istituto Nazionale di Astrofisica (Italy)
- Ministry of Education, Culture, Sports, Science and Technology
- High Energy Accelerator Research Organization (KEK)
- Japan Aerospace Exploration Agency (Japan)
- K. A. Wallenberg Foundation
- Swedish Research Council
- National Space Board (Sweden)
- ICREA Funding Source: Custom
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Pulsars are rapidly rotating, highly magnetized neutron stars emitting radiation across the electromagnetic spectrum. Although there are more than 1800 known radio pulsars, until recently only seven were observed to pulse in gamma rays, and these were all discovered at other wavelengths. The Fermi Large Area Telescope (LAT) makes it possible to pinpoint neutron stars through their gamma-ray pulsations. We report the detection of 16 gamma-ray pulsars in blind frequency searches using the LAT. Most of these pulsars are coincident with previously unidentified gamma-ray sources, and many are associated with supernova remnants. Direct detection of gamma-ray pulsars enables studies of emission mechanisms, population statistics, and the energetics of pulsar wind nebulae and supernova remnants.
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