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The multicomponent model of the Crab Pulsar at energies above 25 GeV
- Source :
- Astronomy & Astrophysics. 499:847-850
- Publication Year :
- 2009
- Publisher :
- EDP Sciences, 2009.
-
Abstract
- We review a proposed multicomponent model to explain the features of the pulsed emission and spectrum of the Crab Pulsar, on the light of the recent detection of pulsed emission above 25 GeV from the MAGIC atmospheric Cherenkov telescope. This model explains the evolution of the pulse shape and of the phase-resolved spectra, ranging from the optical/UV to the GeV energy band, on the assumption that the observed emission is due to several components, which have spectra modelled as log-parabolic laws. We show that the new MAGIC data are well consistent with the prevision of our model.<br />4 pages, 3 figures. Accepted for publication in Astronomy and Astrophysics
- Subjects :
- High Energy Astrophysical Phenomena (astro-ph.HE)
Physics
Crab Pulsar
Astrophysics::High Energy Astrophysical Phenomena
FOS: Physical sciences
Astronomy and Astrophysics
Astrophysics
Astrophysics - Astrophysics of Galaxies
Spectral line
Pulse (physics)
law.invention
Telescope
Pulsar
Space and Planetary Science
law
Astrophysics of Galaxies (astro-ph.GA)
MAGIC (telescope)
Emission spectrum
Astrophysics - High Energy Astrophysical Phenomena
Electronic band structure
Subjects
Details
- ISSN :
- 14320746 and 00046361
- Volume :
- 499
- Database :
- OpenAIRE
- Journal :
- Astronomy & Astrophysics
- Accession number :
- edsair.doi.dedup.....37ab4bac1e0d756a238343a88d0da8de
- Full Text :
- https://doi.org/10.1051/0004-6361/200811599