Emission line imaging of QSOs with high resolution

Details Emission line imaging of QSOs with high resolution Emission line imaging of QSOs with high resolution

2000-12-11

arxiv.org/abs/astro-ph/0012245v1

Astronomy and Astrophysics

Astrophysics

17 pages including 2 tables, 6 diagrams; to appear in AJ

Scientific paper

10.1086/318013

We report the first detection of emission line gas within the host galaxies of high redshift QSOs. This was done using narrow-band imaging at the redshifted wavelengths of [O III] and H alpha, using the PUEO adaptive optics camera of the CFHT. The QSOs are all radio-quiet or very compact radio sources. In all five observed QSOs, which have redshifts 0.9 to 2.4, we find extended line emission that lies within 0.5" (a few Kpc) of the nucleus. The emission (redshifted) equivalent widths range from 35 to 300A. Where there is radio structure, the line emission is aligned with it. We also report on continuum fluxes and possible companions. Two of the QSOs are very red, and have high resolved continuum flux.

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