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Host galaxy contribution to the colours of 'red' quasars

Masci, F. J.; Webster, R. L.; Francis, Paul


We describe an algorithm that measures self-consistently the relative galaxy contribution in a sample of radio quasars from their optical spectra alone. This is based on a spectral fitting method which uses the size of the characteristic 4000 Å feature of elliptical galaxy spectral energy distributions. We apply this method to the Parkes half-Jansky flat-spectrum sample of Drinkwater et al. to determine whether emission from the host galaxy can significantly contribute to the very red optical...[Show more]

CollectionsANU Research Publications
Date published: 1998
Type: Journal article
Source: Monthly Notices of the Royal Astronomical Society
DOI: 10.1046/j.1365-8711.1998.02088.x
Access Rights: Open Access


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