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Title: Observations of the young supernova remnant RX J1713.7–3946 with the Fermi Large Area Telescope

Journal Article · · The Astrophysical Journal
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Here, 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 0°.55 ± 0°.04 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.

Research Organization:
SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC02-76SF00515
OSTI ID:
1357232
Journal Information:
The Astrophysical Journal, Vol. 734, Issue 1; ISSN 0004-637X
Publisher:
Institute of Physics (IOP)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 203 works
Citation information provided by
Web of Science

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The supernova remnant W44: Confirmations and challenges for cosmic-ray acceleration journal May 2014
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Bell-instability-mediated Spectral Modulation of Hadronic Gamma-Rays from a Supernova Remnant Interacting with a Molecular Cloud journal February 2019
Electron Acceleration in Middle-age Shell-type γ -Ray Supernova Remnants journal April 2019
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Fermi – LARGE AREA TELESCOPE: ACCOMPLISHMENTS AND CHALLENGES conference February 2013
The origin of galactic cosmic rays journal June 2014
The Second Fermi Large area Telescope Catalog of Gamma-Ray Pulsars text January 2013
The origin of galactic cosmic rays journal November 2013
Neutrino astronomy: An update journal January 2014
HESS J1640-465 - an exceptionally luminous TeV ${\gamma}$-ray supernova remnant text January 2014
Analysis of GeV-band $\gamma$-ray emission from supernova remnant RX J1713.7-3946 text January 2015
H.E.S.S. observations of RX J1713.7−3946 with improved angular and spectral resolution: Evidence for gamma-ray emission extending beyond the X-ray emitting shell text January 2018
Neutrino Astronomy: An Update journal August 2012
NuSTAR Observations of the Supernova Remnant RX J1713.7–3946 text January 2019
HESS J1640-465 - an exceptionally luminous TeV gamma-ray supernova remnant text January 2014
The origin of galactic cosmic rays text January 2014
H.E.S.S. observations of RX J1713.7-3946 with improved angular and spectral resolution; evidence for gamma-ray emission extending beyond the X-ray emitting shell text January 2016
Hard and bright gamma-ray emission at the base of the Fermi bubbles text January 2019
Is the SNR HESS J1731-347 colliding with molecular clouds? text January 2019
NuSTAR observations of the supernova remnant RX J1713.7$-$3946 text January 2019
Gamma rays from reaccelerated particles at supernova remnant shocks text January 2019