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Optical Line Studies of the Nuclei of NGC 4945 and 5128

Published online by Cambridge University Press:  25 April 2016

J. B. Whiteoak
Affiliation:
Division of Radiophysics, CSIRO, Sydney
F. F. Gardner
Affiliation:
Division of Radiophysics, CSIRO, Sydney

Extract

Microwave line investigations have shown that several bright southern galaxies contain dense molecular clouds overlying bright radio nuclei (see e.g. Whiteoak 1978). In terms of general kinematic models of galaxies the clouds have velocities that are anomalous, being consistent with radial motions both towards and away from the nucleus. To extend our knowledge of these motions we are investigating the distribution of optical spectral lines near the nuclei of the galaxies. We present here preliminary results for NGC 4945 and 5128.

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Copyright
Copyright © Astronomical Society of Australia 1979

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References

Boksenberg, A., in Auxiliary Instrumentation for Large Telescopes. Proc. ESO/CERN Conf., May 1972 (Ed. Lausten, E. and Reiz, A.), p. 295 (1972).Google Scholar
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