2001ApJ...546..782M -
Astrophys. J., 546, 782-794 (2001/January-2)
NICMOS observations of low-redshift quasar host galaxies.
McLEOD K.K. and McLEOD B.A.
Abstract (from CDS):
We have obtained Near-Infrared Camera and Multi-Object Spectrometer images of 16 radio-quiet quasars observed as part of a project to investigate the ``luminosity/host-mass limit.'' The limit results were presented in a paper by McLeod, Rieke, & Storrie-Lombardi. In this paper, we present the images themselves, along with one- and two-dimensional analyses of the host galaxy properties. We find that our model-independent one-dimensional technique is reliable for use on ground-based data at low redshifts; that many radio-quiet quasars live in de Vaucouleurs-law hosts, although some of the techniques used to determine host type are questionable; that complex structure is found in many of the hosts, but that there are some hosts that are very smooth and symmetric; and that the nuclei radiate at ∼2%-20% of the Eddington rate based on the assumption that all galaxies have central black holes with a constant mass fraction of 0.6%. Despite targeting hard-to-resolve hosts, we have failed to find any that imply super-Eddington accretion rates.
Abstract Copyright:
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Journal keyword(s):
Galaxies: Active - Galaxies: Photometry - Infrared: Galaxies - Galaxies: Quasars: General
Simbad objects:
17
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