Giant AGN Flares and Cosmic Ray Bursts

Details Giant AGN Flares and Cosmic Ray Bursts Giant AGN Flares and Cosmic Ray Bursts

2008-02-07

arxiv.org/abs/0802.1074v3

Astrophys.J.693:329-332,2009

Astronomy and Astrophysics

Astrophysics

Obtained a more constraining prediction for photon counterparts of the predicted AGN flares, elaborated the discussion of AGN

Scientific paper

10.1088/0004-637X/693/1/329

We predict a new class of very intense, short-duration AGN flares capable of accelerating the highest energy cosmic rays, resulting from the tidal disruption of a star or from a disk instability. The rate and power of these flares readily explains the observed flux and density statistics of UHECRs. The photon bursts produced by the predicted AGN flares are discussed; they may soon be detectable. Observations are shown to exclude that continuous jets of powerful Active Galactic Nuclei are the sole source of ultrahigh energy cosmic rays; the stringent requirements for Gamma Ray Bursts to be the source are delineated.

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