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High Resolution Studies of mJy and μJy Radio Sources

Published online by Cambridge University Press:  13 May 2016

S. Garrington ,
T. Muxlow  and
M. Garrett
S. Garrington
Affiliation:
MERLIN/VLBI National Facility, Jodrell Bank Observatory, Macclesfield SK11 9DL, UK
T. Muxlow
Affiliation:
MERLIN/VLBI National Facility, Jodrell Bank Observatory, Macclesfield SK11 9DL, UK
M. Garrett
Affiliation:
Joint Institute for VLBI in Europe, 7991 PD Dwingeloo, the Netherlands

Abstract

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VLBI observations can now be used to examine the milliarcsecond properties of mJy and sub-mJy radio sources. Here we describe a snapshot survey of compact mJy sources selected from the FIRST survey and the first EVN observations of a 6 arcmin square field centred on the Hubble Deep Field. At the few mJy level, a significant number of steep-spectrum sources appear to be very young low-luminosity radio galaxies. Older and fainter examples of this type of source are seen in the HDF, and are detected by the EVN. The VLBI observations of the HDF support the view that at least one of the putative distant, dusty starbursts harbours an AGN.

Type
The Inner Regions of Galaxies
Information
Symposium - International Astronomical Union , Volume 205: Galaxies and their Constituents at the Highest Angular Resolutions , 2001 , pp. 102 - 105
Copyright
Copyright © Astronomical Society of the Pacific 2001 

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