A Deep 6-Centimeter Radio Source Survey

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Science  06 Jul 1984:
Vol. 225, Issue 4657, pp. 23-28
DOI: 10.1126/science.225.4657.23


The Very Large Array has been used to survey a small region of sky at a wavelength of 6 centimeters down to a completeness level of 60 microjanskys—about 100 times weaker than the faintest radio sources that have been detected with other instruments. The observed source count at flux densities below 100 millijanskys converges in a manner similar to the lower frequency counts, although there is some evidence for an excess of sources weaker than 100 microjanskys. The sources in the survey are preferentially identified with faint galaxies.