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T: Fachverband Teilchenphysik

T 21: Experimentelle Methoden der Astroteilchenphysik I

T 21.1: Gruppenbericht

Montag, 19. März 2018, 16:00–16:20, Z6 - SR 2.013

Intensity interferometry with CTA - Experiments towards long-baseline interferometry — •Peter Deiml¹, Gisela Anton¹, Stefan Funk¹, Dmitry Malyshev¹, Thilo Michel¹, Felix Pfeifer¹, Raimund Schneider², Joachim von Zanthier², Adrian Zink¹, and Andreas Zmija¹ — ¹Erlangen Centre for Astroparticle Physics, Universität Erlangen-Nürnberg, 91058 Erlangen — ²Institut für Optik, Information und Photonik, Universität Erlangen-Nürnberg, 91058 Erlangen

Intensity interferometry forms an image of a stellar source by correlating photon signals which are measured independently at different positions and different times. By use of kilometric arrays of air Cherenkov telescopes like the future Cherenkov Telescope Array (CTA) one may increase the spatial resolution by an order of magnitude. We review the theory of intensity interferometry and the new possibilities offered by such an array as well as the problems that arise. Moreover, we present the first correlations using IceAct telescopes which are originally part of the IceCube experiment at the south pole.