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2011MNRAS.418...74H - Mon. Not. R. Astron. Soc., 418, 74-89 (2011/November-3)
AzTEC 1.1-mm images of 16 radio galaxies at 0.5 < z < 5.2 and a quasar at z= 6.3.
HUMPHREY A., ZEBALLOS M., ARETXAGA I., HUGHES D.H., YUN M.S., CYBULSKI R., WILSON G.W., AUSTERMANN J., EZAWA H., KAWABE R., KOHNO K., PERERA T., SCOTT K., SANCHEZ-ARGUELLES D. and GUTERMUTH R.
Abstract (from CDS):
We also present new Spitzer imaging observations of several active galaxies in our sample. Combining these with archival data, we examine the mid-infrared colours of our sample. We find that radio galaxies for which we have detected a probable 1.1-mm counterpart have mid-infrared colours consistent with dusty starbursts, and are usually bluer than high-z Spitzer-selected active galaxies. In addition, we find arcs of 24-µm sources extending across ∼ 200-500 kpc, apparently associated with three of the radio galaxies.
Abstract Copyright: 2011 The Authors Monthly Notices of the Royal Astronomical Society2011 RAS
Journal keyword(s): galaxies: active - galaxies: high-redshift - quasars: general - galaxies: starburst - cosmology: observations
Simbad objects: 21
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