Münster 2017 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 14: Gammaastronomie 1

T 14.3: Vortrag

Montag, 27. März 2017, 17:20–17:35, H 2

Observation tailored instrument response functions for the MAGIC telescopes — Christian Fruck, •Marcel C. Strzys, and Ievgen Vovk — Max-Planck-Institut für Physik, München

Over the recent years the sensitivity of Imaging Air Cherenkov Telescopes (IACTs) has greatly improved, enabling the observations of weaker sources, often having complex morphology. This creates a challenge to the traditional analysis techniques based on “aperture photometry” like approaches. Due to this, we develop more advanced likelihood analysis methods, which are common practice in space high-energy observatories, but rely on an accurate knowledge of the detector response. Here, we will report on the next step towards this goal - the software package describing the MAGIC off-axis performance for different energies. This package relies on Monte-Carlo simulations and provides the accurate description of the instrument. This allows to easily adapt the data analysis to any source shape or observational conditions. Though right now this method is developed for MAGIC, in the future it can be transferred also to other IACTs - such as the up-coming Cherenkov Telescope Array (CTA).