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The Optical/Near-IR Colours of Red Quasars

Francis, Paul; Whiting, Matthew T; Webster, Rachel L


We present quasi-simultaneous multi-colour optical/near-IR photometry for 157 radio selected quasars, forming an unbiassed sub-sample of the Parkes Flat-Spectrum Sample. Data are also presented for 12 optically selected QSOs, drawn from the Large Bright QSO Survey. The spectral energy distributions of the radio- and optically-selected sources are quite different. The optically selected QSOs are all very similar: they have blue spectral energy distributions curving downwards at shorter...[Show more]

CollectionsANU Research Publications
Date published: 2000
Type: Journal article
Source: Publications of the Astronomical Society of Australia


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