H.E.S.S. observations of the supernova remnant RCW 86
S. Hoppe (1), M. Lemoine-Goumard (2) (for the H.E.S.S. Collaboration), ((1) Max-Planck-Institut f\"ur Kernphysik, Heidelberg, Germany, (2), CENBG/CNRS-IN2P3, Universit\'e Bordeaux I, France)
TL;DR
This paper reports H.E.S.S. observations of the supernova remnant RCW 86, revealing a new extended very-high energy gamma-ray source and analyzing its properties in relation to multi-wavelength data.
Contribution
First detection of an extended VHE gamma-ray source associated with RCW 86 using H.E.S.S., providing insights into its morphology and spectrum.
Findings
Discovery of a new extended VHE gamma-ray source
Morphological and spectral analysis of the gamma-ray emission
Comparison with multi-wavelength properties of RCW 86
Abstract
The shell-type supernova remnant (SNR) RCW 86 - possibly associated with the historical supernova SN 185 - was observed during the past three years with the High Energy Stereoscopic System (H.E.S.S.), an array of four atmospheric-Cherenkov telescopes located in Namibia. The multi-wavelength properties of RCW 86, e.g. weak radio emission and North-East X-ray emission almost entirely consisting of synchroton radiation, resemble those of two very-high energy (VHE; > 100 GeV) gamma-ray emitting SNRs RX J1713.7-3946 and RX J0852-4622. The H.E.S.S. observations reveal a new extended source of VHE gamma-ray emission.The morphological and spectral properties of this new source will be presented.
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Taxonomy
TopicsAstrophysics and Cosmic Phenomena · Gamma-ray bursts and supernovae · Radio Astronomy Observations and Technology