Abstract:
Arrival directions of cosmic rays with energies $E_0\geq10^{19}\,$eV are analyzed in the supergalactic coordinates. It is shown that increased particle fluxes arrive from the supergalactic plane and regions symmetrically adjoining it at angles $\pm b_{SG}\approx6.5^\circ$. Relatively high densities of clusters of galaxies and quasars, which are related to the large-scale structure of the universe, are observed in these regions.