Hamburg 2016 – wissenschaftliches Programm
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T: Fachverband Teilchenphysik
T 80: Gammaastronomie IV
T 80.8: Vortrag
Mittwoch, 2. März 2016, 18:35–18:50, VMP9 SR 27
Spectral, morphological and temporal analysis of the Galactic Center gamma-ray emission based on new observations with MAGIC — Christian Fruck1, •John E Ward2, and Ievgen Vovk1 for the MAGIC collaboration — 1Max-Planck-Institut für Physik, München, GERMANY — 2Institut de Fisica d'Altes Energies, Barcelona, SPAIN
During the past four years, MAGIC has observed the Galactic Center (GC) region at large zenith distance (58°-70°) for more than 60 h after quality cuts. Based on this data set we have studied the gamma-ray spectrum of the central source up to 40 TeV, and searched for time variability in its flux during the pericentre passage of the G2 object, which approached the central black as close as about 2000 Schwarzschild radii in 2013/14. These observations also gave us the opportunity to study the morphology of the extended TeV emission in the GC region.