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FST Observations of NGC 4945 and the Circinus Galaxy

Published online by Cambridge University Press:  25 April 2016

J. B. Whiteoak  and
J. D. Bunton
J. B. Whiteoak
Affiliation:
Division of Radiophysics, CSIRO, Sydney
J. D. Bunton
Affiliation:
School of Electrical Engineering, University of Sydney
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Abstract

The Fleurs synthesis telescope, which provides 20 arcsec resolution at 1.4 GHz, was used to map the continuum emission in NGC 4945 and the Circinus galaxy. Both objects have prominent small-diameter radio nuclei, containing 50% to 75% of the total intensity, superimposed on extended emission associated with the outer regions of the galaxies. The scale of the nuclei, together with the large velocity widths of the associated spectral-line profiles, are not unlike those encountered in the central region of the Galaxy.

Type
Contributions
Information
Publications of the Astronomical Society of Australia , Volume 6 , Issue 2 , 1985 , pp. 171 - 174
Copyright
Copyright © Astronomical Society of Australia 1985

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