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Münster 2017 – scientific programme

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T: Fachverband Teilchenphysik

T 59: Gammaastronomie 3

T 59.4: Talk

Tuesday, March 28, 2017, 17:40–17:55, H 2

MAGIC observations of the enigmatic Gamma Cygni supernova remnant — •Marcel C. Strzys1, Shu Masuda2, Takayuki Saito2, and Ievgen Vovk1 for the MAGIC collaboration — 1Max-Planck-Institut für Physik, München — 2Kyoto University, Kyoto, Japan

Gamma Cygni (G78.2+2.1) is one of the first supernova remnants (SNR) detected in the high-energy gamma-ray band. It is a middle-aged SNR (≈ 7000 years old) situated in the Cygnus region. The high-energy observations by VERITAS and Fermi-LAT revealed a complex, energy-dependent morphology of the SNR in the GeV-TeV band, different from that observed in X-rays. G78.2+2.1 also hosts the pulsar PSR J2021+4026, which is the only variable gamma-ray pulsar known to date. Here we present the results from recent MAGIC observations of the Gamma Cygni nebula and pulsar complex. We discuss the TeV morphology of the source and possible origins of the gamma-ray emission in the multi-wavelength context.

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