http://arxiv.org/abs/1708.04047
PKS1510-089 is a flat spectrum radio quasar located at a redshift of 0.36. It is one of only a few such sources detected in very-high-energy (VHE, >100 GeV) gamma rays. Though PKS1510-089 is highly variable at GeV energies, until recently no variability has been observed in the VHE band. In 2015 May PKS1510-089 showed a high state in optical and in the GeV range. A VHE gamma-ray flare was detected with MAGIC at that time, showing the first instance of VHE gamma-ray flux variability on the time scale of days in this source. We will present the MAGIC results from this observation, discuss their temporal and spectral properties in the multi-wavelength context and present modelling of such emission in the external Compton scenario.
J. Sitarek, J. Gonzalez, V. Lindfors, et. al.
Tue, 15 Aug 17
36/59
Comments: Proceedings of the 35th International Cosmic Ray Conference (ICRC 2017), Bexco, Busan, Korea, PoS(ICRC2017)657