Unravelling Active Galactic Nuclei
A. Y. K. N. Oshlack, R. L. Webster, M. J. Drinkwater, M. T. Whiting, P. J. Francis, F. J. Masci
Abstract
A complete flat-spectrum radio-loud sample of AGN includes a significant fraction of Seyfert-like AGN including a NLS1. Analysis of their optical spectra suggests that the reddest continuum colours are either associated with AGN in nearby resolved galaxies, or distant quasars showing relatively narrow permitted emission lines.
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