Abstract

Recent independent imaging surveys of the hosts of radio-loud quasars have not been in agreement over the resemblance between radio-loud quasar hosts and bright radio galaxies. Some authors claim that the mean absolute magnitude of radio-loud quasar host galaxies is up to a magnitude brighter than the mean magnitude of bright radio galaxies, while other authors claim that they are identical. These studies are an important test of «Grand Unified Schemes» for active galactic nuclei (AGN), which predict that the orientation-independent properties of radio-loud quasars (such as host morphology) should match those of bright radio galaxies

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