VLA source counts at 6-cm wavelength

Details VLA source counts at 6-cm wavelength VLA source counts at 6-cm wavelength

Feb 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983natur.301..686b&link_type=abstract

Nature, vol. 301, Feb. 24, 1983, p. 686-688. Research supported by Zonta International and NSF.

Astronomy and Astrophysics

Astronomy

28

Centimeter Waves, Cosmology, Radio Sources (Astronomy), High Resolution, Luminosity, Statistical Analysis

Scientific paper

Radio sources, whose characteristically high luminosity, and therefore detectability at great distances, allows them to be important indicators of the early Universe's structure and evolution, appear to evolve in time, and are orders of magnitude more common at redshifts greater than unity. The number of observed sources as a function of their flux constrains both their evolutionary behavior and proposed cosmological models. The VLA has been used to extend source counts to lower flux limits for the case of 13 widely separated fields at high galactic latitudes. The resulting differential source counts confirm the deviation at low flux levels from the uniform N= 60S to the -1.5 Omega distribution.

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