Propagated spectra of ultrahigh energy cosmic-rays from a single source with luminosity LE,19 = 1046 erg s-1 located at a distance of D = 1 Gpc (black solid) or LE,19 = 1044 erg s-1 and D = 100 Mpc (green dashed). The injection spectral index is 2.0 in both cases. The observed Auger spectrum (Abraham et al. 2008b) is overlaid.
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