Volume 358 - 36th International Cosmic Ray Conference (ICRC2019) - GRD - Gamma Ray Direct
Gamma-ray Spectral and Morphological study of HESS J1912+101 observed by MAGIC and Fermi-LAT
D. Green,* T. Nagayoshi, F. dePalma
*corresponding author
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Pre-published on: 2019 July 22
Published on:
Abstract
Very High Energy (VHE) $\gamma$ rays, typically from 50 GeV to tens of TeV, are excellent tracers of particle acceleration and critical in determining the nature of unassociated and unidentified TeV sources through measuring morphological and spectral information. Additionally, high energy (HE) $\gamma$ rays, typically from 100 MeV to hundreds of GeV, are further able to measure morphology and spectral information providing a continuous spectral observation, when combined with VHE data, for over 5 decades in energy. These combined measurements give a unique view into the underlying particle population of the acceleration region and can reveal the nature of unassociated and unidentified $\gamma$-ray sources. This non-thermal radiation is produced by either the underlying high-energy (HE) electron population at the acceleration location through inverse Compton (IC) scattering on local photon fields, non-thermal bremsstrahlung, and synchrotron radiation or the underlying high energy proton population interacting with the local interstellar medium (ISM) and producing $\gamma$ rays via $\pi^0$ production.
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