Fermi LAT observation of supernova remnant HB9
@article{Araya2014FermiLO, title={Fermi LAT observation of supernova remnant HB9}, author={M. Araya}, journal={Monthly Notices of the Royal Astronomical Society}, year={2014}, volume={444}, pages={860-865} }
A 5.5-year Fermi LAT gamma-ray observation shows significant extended emission at the position of the supernova remnant HB9 (G160.9+2.6). The significance of the detection above the background for photon energies above 0.2 GeV is 16$\sigma$. The gamma-ray flux above 0.2 GeV is (2.23E-8) photons/cm$^2$ s, and the corresponding luminosity above 1 GeV is 1.4E33 erg/s (for a source distance of 1 kpc). The spectrum of the source is best described by a curved power-law (log-parabola). The gamma-ray…
16 Citations
Origin of the gamma-ray emission from supernova remnant HB9
- Physics
- 2021
HB9 (G160.9+2.6) is a mixed-morphology Galactic supernova remnant (SNR) at a distance of ∼0.6 kpc. Previous analyses revealed recombining plasma emission in X-rays and an expanding shell structure in…
GeV γ-ray EMISSION DETECTED BY FERMI-LAT PROBABLY ASSOCIATED WITH THE THERMAL COMPOSITE SUPERNOVA REMNANT KESTEVEN 41 IN A MOLECULAR ENVIRONMENT
- Physics
- 2015
Hadronic emission from supernova remnant (SNR)–molecular cloud (MC) association systems has been widely regarded as a probe of shock-accelerated cosmic-ray protons. Here, we report on the detection…
Discovery of recombining plasma inside the extended gamma-ray supernova remnant HB9
- PhysicsMonthly Notices of the Royal Astronomical Society
- 2019
We present the results from the Suzaku X-ray Imaging Spectrometer observation of the mixed-morphology supernova remnant (SNR) HB9 (G160.9+2.6). We discovered recombining plasma (RP) in the western…
MODELING THE MULTIWAVELENGTH EMISSION FROM G73.9+0.9: GAMMA RAYS FROM AN SNR–MC INTERACTION
- Physics
- 2015
G73.9+0.9 has been classified as a probable shell-type supernova remnant, though it has also been suggested that it could have a pulsar wind nebula (PWN). Here, a broadband model of the non-thermal…
X-ray emission from the mixed-morphology supernova remnant HB 9
- Physics
- 2020
We present the results of a spectral analysis of the central region of the mixed-morphology supernova remnant HB 9. A prior Ginga observation of this source detected a hard X-ray component above 4…
3FHL: The Third Catalog of Hard Fermi-LAT Sources
- Physics
- 2017
We present a catalog of sources detected above 10 GeV by the Fermi Large Area Telescope (LAT) in the first 7 years of data using the Pass 8 event-level analysis. This is the Third Catalog of Hard…
Search for New Cosmic-Ray Acceleration Sites within the 4FGL Catalog Galactic Plane Sources
- PhysicsThe Astrophysical Journal
- 2022
Cosmic rays are mostly composed of protons accelerated to relativistic speeds. When those protons encounter interstellar material, they produce neutral pions, which in turn decay into gamma-rays.…
Perspective on the Cosmic-ray Electron Spectrum above TeV
- Physics
- 2017
The AMS-02 has measured the cosmic-ray electron (plus positron) spectrum up to ∼TeV with unprecedented precision. The spectrum can be well described by a power law without any obvious features above…
GAMMA-RAY UPPER LIMITS ON MAGNETARS WITH SIX YEARS OF FERMI-LAT OBSERVATIONS
- Physics
- 2017
We report on the search for gamma-ray emission from 20 magnetars using six years of Fermi Large Area Telescope observations. No significant evidence for gamma-ray emission from any of the currently…
Evolution of High-energy Particle Distribution in Supernova Remnants
- PhysicsThe Astrophysical Journal
- 2019
Supernova remnants (SNRs) have been considered to be the dominant contributors to Galactic cosmic rays. However, the relation between high-energy particles trapped in SNRs and cosmic rays observed at…
References
SHOWING 1-10 OF 43 REFERENCES
FERMI-LAT STUDY OF GAMMA-RAY EMISSION IN THE DIRECTION OF SUPERNOVA REMNANT W49B
- Physics
- 2010
We present an analysis of the gamma-ray data obtained with the Large Area Telescope (LAT) on board the Fermi Gamma-ray Space Telescope in the direction of SNR W49B (G43.3−0.2). A bright unresolved…
THE LIKELY FERMI DETECTION OF THE SUPERNOVA REMNANT RCW 103
- Physics
- 2013
We report on the results from our γ-ray analysis of the supernova remnant (SNR) RCW 103 region. The data were taken with the Large Area Telescope on board the Fermi Gamma-ray Space Telescope. An…
FERMI-LAT DISCOVERY OF GeV GAMMA-RAY EMISSION FROM THE YOUNG SUPERNOVA REMNANT CASSIOPEIA A
- Physics
- 2010
We report on the first detection of GeV high-energy gamma-ray emission from a young supernova remnant (SNR) with the Large Area Telescope aboard the Fermi Gamma-ray Space Telescope. These…
FERMI LARGE AREA TELESCOPE OBSERVATIONS OF THE SUPERNOVA REMNANT G8.7−0.1
- Physics
- 2010
We present a detailed analysis of the GeV gamma-ray emission toward the supernova remnant (SNR) G8.7−0.1 with the Large Area Telescope (LAT) on board the Fermi Gamma-ray Space Telescope. An…
FERMI LARGE AREA TELESCOPE DETECTION OF SUPERNOVA REMNANT RCW 86
- Physics
- 2014
Using 5.4 yr Fermi Large Area Telescope data, we report the detection of GeV γ-ray emission from the shell-type supernova remnant RCW 86 (G315.4-2.3) with a significance of ∼5.1σ. The data slightly…
Detection of gamma-ray emission in the region of the supernova remnants G296.5+10.0 and G166.0+4.3
- Physics
- 2013
months of accumulated observations by the Large Area Telescope onboard the Fermi Gamma-ray Space Telescopein the region of the supernova remnants G296.5+10.0 (PKS 1209-51/52) and G166.0+4.3 (VRO…
FERMI LARGE AREA TELESCOPE OBSERVATIONS OF THE CYGNUS LOOP SUPERNOVA REMNANT
- Physics
- 2011
We present an analysis of the gamma-ray measurements by the Large Area Telescope onboard the Fermi Gamma-ray Space Telescope in the region of the supernova remnant (SNR) Cygnus Loop (G74.0−8.5). We…
FERMI LAT DISCOVERY OF EXTENDED GAMMA-RAY EMISSION IN THE DIRECTION OF SUPERNOVA REMNANT W51C
- Physics
- 2009
The discovery of bright gamma-ray emission coincident with supernova remnant (SNR) W51C is reported using the Large Area Telescope (LAT) onboard the Fermi Gamma-ray Space Telescope. W51C is a…
Gamma-Ray Production in Supernova Remnants
- Physics
- 1998
The bulk of cosmic rays of up to about 100 TeV are thought to be accelerated by the first-order Fermi mechanism at supernova shocks, producing a power-law spectrum. Both electrons and protons should…
FERMI LARGE AREA TELESCOPE DETECTION OF THE YOUNG SUPERNOVA REMNANT TYCHO
- Physics
- 2011
After almost three years of data taking in sky-survey mode, the Fermi Large Area Telescope has detected γ-ray emission toward Tycho's supernova remnant (SNR). The Tycho SNR is among the youngest…