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arxiv: 0907.0994 · v1 · submitted 2009-07-06 · 🌌 astro-ph.HE

A TeV source in the 3C 66A/B region

Manel Errando , Elina Lindfors , Daniel Mazin , Elisa Prandini , Fabrizio Tavecchio (for the MAGIC Collaboration) This is my paper
classification 🌌 astro-ph.HE
keywords magicblazarj0223regionsourcestatsystarcmin
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The MAGIC telescope observed the region around the distant blazar 3C 66A for 54.2 hr in 2007 August-December. The observations resulted in the discovery of a gamma-ray source centered at celestial coordinates R.A. = 2h23m12s and decl.= 43deg 0.7arcmin (MAGIC J0223+430), coinciding with the nearby radio galaxy 3C 66B. A possible association of the excess with the blazar 3C 66A is discussed. The energy spectrum of MAGIC J0223+430 follows a power law with a normalization of (1.7+-0.3_stat+-0.6_syst) x 10^-11 TeV^-1 cm-2 s-1 at 300 GeV and a photon index of 3.10+-0.31_stat+-0:2syst.

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