Now showing items 1-5 of 5

    • Cosmological beam plasma instabilities 

      Shalaby, Mohamad (University of Waterloo, 2017-08-24)
      Blazars are the main source of extragalactic very high energy gamma-rays. These gamma rays annihilate on the extragalactic background light, producing electron-positron pair beams with TeV energies. The pair beams are very ...
    • Messier 87: A Laboratory for Exploring AGN Variability using the Event Horizon Telescope 

      Jeter, Britton (University of Waterloo, 2020-09-17)
      At a distance of 50 million light years at the heart of the Virgo cluster, lies the giant elliptical galaxy Messier 87. This galaxy has at its center a brilliant relativistic jet, observable at all wavelengths, and at the ...
    • Probing Accretion Turbulence in the Galactic Centre with EHT Polarimetry 

      Ni, Chunchong (University of Waterloo, 2019-01-09)
      We explore the origin and the influence of the interstellar scattering on the observation of Sgr A*, and the method to mitigate this scattering via Event Horizon Telescope (EHT) polarimetry. Interstellar scattering is due ...
    • Probing the dark universe with gravitational lensing 

      Karami, Mansour (University of Waterloo, 2018-09-17)
      Since its early success as an experimental test of the theory of general relativity in 1919, gravitational lensing has come a long way and is firmly established as an indispensable element for many astrophysical applications. ...
    • Semi-Analytic Radiatively Inefficient Accretion Flows in General Gravity 

      Georgiev, Boris (University of Waterloo, 2018-01-05)
      The Event Horizon Telescope is capable of observing black holes on event-horizon scales and we can use it to explore deviations from General Relativity. We replicate the results of a previous study using a Newtonian ...


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