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Observations of Extended Radio Sources Using a Multiple-beam Technique

Published online by Cambridge University Press:  12 April 2016

D.T. Emerson  and
U. Klein
D.T. Emerson
Affiliation:
Max-Planck-Institut für Radioastronomie, Bonn, F.R.G.
U. Klein
Affiliation:
Max-Planck-Institut für Radioastronomie, Bonn, F.R.G.

Extract

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The limiting sensitivity for conventional single-dish radio continuum observations of extended objects at wavelengths of a few cm is set mainly by weather; for much of the time a varying component of atmospheric attenuation, and hence thermal emission, causes deviations in the response of the receiver far in excess of any deviations due to receiver noise or receiver instabilities.

Type
Part VI: Other Image Improvement Methods
Information
International Astronomical Union Colloquium , Volume 49: Image Formation from Coherence Functions in Astronomy , 1979 , pp. 293 - 298
Copyright
Copyright © Reidel 1979