2 papers
astro-ph1999
Giant and `double-double' radio galaxies: Implications for the evolution of powerful radio sources and the IGM
A. P. Schoenmakers, A. G. de Bruyn, H. J. A. Röttgering +3
Giant radio sources form the linear size extreme of the extra-galactic radio source population. Using the WENSS survey, we have selected a complete sample of these sources. We have…
astro-ph1996
Can Flat Spectrum Radio Quasars make most of the overall gamma--ray background ?
A. Comastri, T. Di Girolamo, G. Setti
The contribution of discrete sources to the gamma--ray background is modeled. Flat spectrum radio quasars are known to make a substantial contribution to the hard (E > 100 MeV) bac…