Bonn 2020 – scientific programme
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T: Fachverband Teilchenphysik
T 100: Gamma astronomy II
T 100.4: Talk
Friday, April 3, 2020, 11:45–12:00, H-HS XVI
First results from IceAct - SiPM based Imaging Air Cherenkov Telescopes for IceCube — •Merlin Schaufel1, Jan Audehm2, Thomas Bretz2, Johannes Buscher1, Giang Do2, Adrianna García2, Erik Ganster1, Maurice Günder1, Yuriy Popovych1, Florian Rehbein2, Martin Rongen1, and Christopher Wiebusch1 for the IceCube collaboration — 1III. Physikalisches Institut 3B, RWTH Aachen, Deutschland — 2III. Physikalisches Institut 3A, RWTH Aachen, Deutschland
The development of cost effective and compact Silicon Photomultipliers (SiPM) based Imaging Air Cherenkov Telescopes enables new measurements using a hybrid configuration with ground based detectors. IceAct is a proposed surface array of such telescopes above IceCube. During January 2019, two new versions of IceAct telescope demonstrators featuring 61 SiPM pixels and improved optics were installed in the center of the IceTop surface detector at the geographic South Pole. Combining information from these telescopes and IceCube, it is possible to test the performance in primary particle discrimination, energy calibration, and veto capabilities. We present the status of the project and first results from coincident and stereoscopic data taken during the antarctic winter 2019.