Würzburg 2018 – scientific programme

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T: Fachverband Teilchenphysik

T 30: Gammaastronomie I

T 30.2: Talk

Tuesday, March 20, 2018, 16:50–17:05, Philo-HS7

Possibilities and challenges of Very-Large Zenith-Angle Observations with MAGIC — •Juliane van Scherpenberg for the MAGIC collaboration — Max-Planck-Institut für Physik, München

The MAGIC Telescopes are a system of two Imaging Air Cherenkov Telescopes (IACTs) located at the Roque de los Muchachos observatory on the Canary Island of La Palma. MAGIC can observe very-high energy (VHE) gamma-rays from around 50 GeV to 50 TeV. Recently the feasibilty of performing observations at very large zenith angles (VLZA) has been investigated to extent observations up to the highest gamma-ray energy regime. However, measurements of this kind bear many challenges. The calibration of the atmosphere needs to be well understood as well as more technical restrictions concerning for example the quality of directional reconstruction at very high zenith angles. I will present the current efforts that are made to evaluate the possibilities and limits of VLZA observations with MAGIC and future IACTs.