Very-High-Energy γ-Ray Observations of a Strong Flaring Activity in M 87 in 2008 February
M 87 is the only known non blazar radio galaxy to emit very high energy (VHE) gamma-rays. During a monitoring program of M 87, a rapid flare in VHE gamma-rays was detected by the MAGIC telescope in early 2008. The flux was found to be variable above 350 GeV on atimescaleas short as 1 day at a significance level of 5.6σ. The highest measured flux
Mazin, D. et al.
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2008