A search for Extragalactic Sources of Ultrahigh-Energy Cosmic Rays

Details A search for Extragalactic Sources of Ultrahigh-Energy Cosmic Rays A search for Extragalactic Sources of Ultrahigh-Energy Cosmic Rays

2008-03-05

arxiv.org/abs/0803.0612v1

Pisma Zh.Eksp.Teor.Fiz.87:215,2008; JETP Lett.87:185,2008

Astronomy and Astrophysics

Astrophysics

5 pages, 5 figures

Scientific paper

10.1134/S0021364008040012

Possible extragalactic sources of cosmic rays at energies above 4*10^{19} eV detected with the Yakutsk array are sought. Correlation of the shower arrival directions with objects from Veron's catalog that are located closer than 100 Mpc from the Earth confirms the observations at the Pierre Auger observatory, as well as the Greisen-Zatsepin-Kuzmin effect on ultrahigh-energy cosmic rays. The detailed analysis of the data reveals the classes of objects belonging to the active galactic nuclei that are probable sources of ultrahigh-energy cosmic rays.

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