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T: Fachverband Teilchenphysik

T 105: Kosmische Strahlung V

T 105.9: Vortrag

Donnerstag, 3. März 2016, 18:45–19:00, VMP9 SR 29

Calibrating the Auger Engineering Radio Array at the Pierre Auger Observatory using an Octocopter — •Florian Briechle, Martin Erdmann, and Raphael Krause — III. Physikalisches Institut A, RWTH Aachen University, Germany

With the Auger Engineering Radio Array (AERA) at the Pierre Auger Observatory radio emission of extensive air showers induced by ultra high energy cosmic rays is observed. Characteristics of the primary cosmic ray, e.g., arrival direction, mass or energy, can be measured this way. To produce high quality data, the detector needs to be well understood and calibrated. A useful tool for calibration campaigns is an octocopter. With it, a calibration source can be placed above the array, which makes this a very flexible method useful for different types of calibrations. Special focus is put on the position reconstruction and the position accuracy of the octocopter during the calibration flights. A new optical method using two cameras for these position reconstructions is presented. Results of a measurement campaign in spring 2015 are presented. In this campaign, the sensitivity of the AERA stations as well as timing characteristics were measured. The results of the sensitivity measurement are compared to simulations.