期刊
SCIENCE
卷 323, 期 5922, 页码 1688-1693出版社
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/science.1169101
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资金
- NASA
- Department of Energy in the United States
- Commissariat a lEnergie Atomique
- Centre National de la Recherche Scientifique/Institut National de Physique Nucleaire et de Physique des Particules in France
- Agenzia Spaziale Italiana
- Istituto Nazionale di Fisica Nucleare in Italy
- Ministry of Education, Culture, Sports, Science and Technology (MEXT)
- High Energy Accelerator Research Organization (KEK)
- Japan Aerospace Exploration Agency (JAXA) in Japan
- K. A. Wallenberg Foundation
- Swedish Research Council
- Swedish National Space Board in Sweden
- Deutsches Zentrum fur Luftund Raumfahrt in Germany
- STFC [PP/D000920/1, ST/G002630/1, ST/F006489/1] Funding Source: UKRI
- Science and Technology Facilities Council [ST/F006489/1, ST/G002630/1, PP/D000920/1] Funding Source: researchfish
- ICREA Funding Source: Custom
Gamma-ray bursts (GRBs) are highly energetic explosions signaling the death of massive stars in distant galaxies. The Gamma-ray Burst Monitor and Large Area Telescope onboard the Fermi Observatory together record GRBs over a broad energy range spanning about 7 decades of gamma-ray energy. In September 2008, Fermi observed the exceptionally luminous GRB 080916C, with the largest apparent energy release yet measured. The high-energy gamma rays are observed to start later and persist longer than the lower energy photons. A simple spectral form fits the entire GRB spectrum, providing strong constraints on emission models. The known distance of the burst enables placing lower limits on the bulk Lorentz factor of the outflow and on the quantum gravity mass.
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