The Crab Nebula super-flare in gamma-rays

A very strong gamma-ray flare was detected by AGILE on April 16, 2011 from the Crab Nebula.
The flux above 100 MeV reached the unprecedented value of F = (2000 +/- 370) 10^{-8} ph/cm^2/sec.
The Crab was then twice as bright as the Vela Pulsar! See ATel # 3286.


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