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Red quasars: the plot thickens

Francis, Paul; Whiting, M.; Webster, R.


It is now well established that many flat-radio-spectrum sources have extremely red colours (Webster et al. 1995, Nature 375, 469). When this result was first reported it ignited considerable controversy: was this a vast, hitherto undetected population of red quasars? Three theories emerged to explain these red objects: They are faint high-redshift radio galaxies, and not quasars at all, They are normal blue quasars partially obscured by dust. The redness is caused by some bizarre red...[Show more]

CollectionsANU Research Publications
Date published: 1999
Type: Conference paper
Source: Bulletin of the American Astronomical Society


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