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ES
E. Silva
Author with expertise in High-Energy Astrophysics and Particle Acceleration Studies
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OBSERVATIONS OF THE YOUNG SUPERNOVA REMNANT RX J1713.7–3946 WITH THE
FERMI
LARGE AREA TELESCOPE
A. Abdo
et al.
May 23, 2011
We present observations of the young supernova remnant (SNR) RX J1713.7−3946 with the Fermi Large Area Telescope (LAT). We clearly detect a source positionally coincident with the SNR. The source is extended with a best-fit extension of 055 ± 004 matching the size of the non-thermal X-ray and TeV gamma-ray emission from the remnant. The positional coincidence and the matching extended emission allow us to identify the LAT source with SNR RX J1713.7−3946. The spectrum of the source can be described by a very hard power law with a photon index of Γ = 1.5 ± 0.1 that coincides in normalization with the steeper H.E.S.S.-detected gamma-ray spectrum at higher energies. The broadband gamma-ray emission is consistent with a leptonic origin as the dominant mechanism for the gamma-ray emission.
Astronomy And Astrophysics
Nuclear And High Energy Physics
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Astronomy And Astrophysics
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