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Studying the simultaneous multiwavelength behaviour of candidate TeV blazars

Blazars, a subclass of active galactic nuclei (AGN) dominate the gamma-ray sky and are known for their extreme variability. Only a relatively small number of blazars have so far been detected to emit gamma-rays at TeV energies, detectable by ground-based gamma-ray observatories, such as H.E.S.S. in Namiia. The broadband (radio through gamma-ray) spectral properties of blazars can vary significantly, depending on their current state of activity. Therefore, quasi-simultaneous multiwavelength observations are crucial to model their high-energy emission. In this project, we aim to model the high-energy emission of so far TeV-undetected blazars in the keV - GeV range, in order to identify potential new targets for future TeV (H.E.S.S.) observations. The student will perform a multiwavelength spectral analysis, including Swift-XRT (X-ray) and Fermi-LAT (gamma-ray) data. By modeling the high-energy emission of blazars, predictions of the expected TeV emission can be derived. A basic knowledge of gamma-ray astronomy and programming (C++, python) is advantageous, but not mandatory.
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