Aachen 2019 – scientific programme

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T: Fachverband Teilchenphysik

T 39: Gamma-Astronomie I

T 39.1: Group Report

Tuesday, March 26, 2019, 16:00–16:20, S14

FACT - Highlights from an Unbiased Monitoring Program — •Thomas Bretz for the FACT Collaboration collaboration — RWTH Aachen, III. Physikalisches Institut A, Germany

The First G-APD Cherenkov Telescope (FACT) has been monitoring bright sources at TeV energies since more than seven years, collecting a total of more than 12000 hours of physics data. Thanks to the usage of silicon-based photosensors, the duty cycle of the instrument is maximized and the gaps in the light curves are minimized. Combined with the observing strategy of unbiased monitoring, an unprecedented data sample has been obtained.

This allows not only for systematic studies of the variability of the sources, but also triggers a lot of multi-wavelength observations. Recent results from these studies will be presented.