Extensions around z=2 QSOs

Astronomy and Astrophysics – Astrophysics

Scientific paper

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uuencoded compressed postscript. The preprint is also available at http://www.ast.cam.ac.uk/preprint/PrePrint.html

Scientific paper

Based on an R-band imaging survey of 6 high redshift (z~2) and high luminosity (M<-28mag) QSOs, we report the detection of extensions in two radio-quiet and one radio-loud QSO. The extensions are most likely due to the host galaxies of these QSOs, with luminosities of at least 3-7 per cent of the QSO luminosity. The most likely values for the luminosity of the host galaxies lie in the range $6-18 per cent of the QSO luminosity.

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