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Leptonic and hadronic modeling of Fermi-LAT hard spectrum quasars and predictions for high-energy polarization
(IOP Publishing, 2018)
We present the results of a study of the time-averaged spectral energy distributions (SEDs) of eight flat spectrum
radio quasars (FSRQs) present in the second catalog of high energy sources detected beyond 50 GeV by the ...
Lorentz invariance violation effects on gamma-gamma absorption and compton scattering
(IOP Publishing, 2018)
In this paper, we consider the impact of the Lorentz invariance violation (LIV) on the γ − γ opacity of the universe to very high energy (VHE) gamma-rays, compared to the effect of local underdensities (voids) of the ...
H.E.S.S. and Fermi-LAT observations of PSR B1259-63/LS 2883 during its 2014 and 2017 periastron passages
(EDP Sciences, 2020)
Context. PSR B1259–63/LS 2883 is a gamma-ray binary system consisting of a pulsar in an eccentric orbit around a bright Oe stellar-type companion star that features a dense circumstellar disc. The bright broad-band emission ...
Monitoring of the radio galaxy M 87 during a low-emission state from 2012 to 2015 with MAGIC
(Oxford Univ Press, 2020)
M 87 is one of the closest (z = 0.004 36) extragalactic sources emitting at very high energies (VHE, E > 100 GeV). The aim of this work is to locate the region of the VHE gamma-ray emission and to describe the observed ...
Exploiting morphological data from Pulsar Wind Nebulae via a spatiotemporal leptonic transport code
(Oxford Univ Press, 2020)
The next era of ground-based Cherenkov telescope development will see a great increase in both quantity and quality of γ-ray morphological data. This initiated the development of a spatiotemporal leptonic transport code ...
HESS and Suzaku observations of the Vela X pulsar wind nebula
(EDP Sciences, 2019)
Context. Pulsar wind nebulae (PWNe) represent the most prominent population of Galactic very-high-energy gamma-ray sources and are thought to be an efficient source of leptonic cosmic rays. Vela X is a nearby middle-aged ...