Nearby Seyfert galaxies are possible sources of cosmic rays above 4*10^19 eV: Updated Results

Details Nearby Seyfert galaxies are possible sources of cosmic rays above 4*10^19 eV: Updated Results Nearby Seyfert galaxies are possible sources of cosmic rays above 4*10^19 eV: Updated Results

2003-03-14

arxiv.org/abs/astro-ph/0303347v3

Astronomy and Astrophysics

Astrophysics

Pages: 4. Bibl: 21

Scientific paper

Arrival directions of 63 extensive air showers with energies 4*10^193 sigma (sigma is the parameter of Gaussian distribution) for Seyfert galaxies with redshifts z<0.01 (along with BL Lacertae objects). The Seyfert galaxies are characterized by moderate luminosities (L<10^46 erg/s) and weak radio and X-ray emission.

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