Karlsruhe 2024 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 60: Gamma astronomy 3

T 60.6: Vortrag

Mittwoch, 6. März 2024, 17:15–17:30, Geb. 30.22: kl. HS A

FACT - A Decade of TeV Observations — •Daniela Dorner¹ and Bernd Schleicher² for the FACT collaboration — ¹Universität Würzburg, Deutschland — ²ETH Zürich, Schweiz

Operational since October 2011, the First G-APD Cherenkov Telescope (FACT) has been monitoring bright TeV blazars. A design for remote and automatic operation and the usage of semiconductor photosensors maximize its duty cycle and minimize the gaps in the light curves. An unbiased observing strategy results in unique and unprecedented long-term gamma-ray light curves. Among other results, the time-series analysis of the blazar 1ES1959+650 and a long-term study of the index-vs-flux correlation of blazars will be showcased. The presentation summarizes the lessons learned from ten years of operation and the results of FACT's legacy data sample.

Keywords: Gamma-ray astronomy; IACTs; monitoring; AGN; blazars