- We describe the selection of a sample of 34 radio sources from the 6C survey (Hales, Baldwin and Warner 1993) from a region of sky covering 0.133 sr. The selection criteria for this sample, hereafter called 6C*, were chosen to optimise the chances of finding radio galaxies at redshift z > 4. Optical follow-up observations have already led to the discovery of the most distant known radio galaxy at z = 4.41 (Rawlings et al. 1996). We present VLA radio maps and derive radio spectra for all the 6C* objects.
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18 pages, LaTeX; also available at
http://www-astro.physics.ox.ac.uk/research/preprints/ To appear in MNRAS
A sample of 6C radio sources designed to find objects at redshift > 4: the radio data
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