2000•arXiv (Cornell University)Open access

Unravelling Active Galactic Nuclei

Alicia Oshlack, R. L. Webster, M. J. Drinkwater, M. T. Whiting, Paul Francis, Frank 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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Key concepts: Active galactic nucleus, Quasar, Physics, Astrophysics, Galaxy, Optical spectra, Spectral line, Emission spectrum