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A Radio Continuum Survey of the Magellanic Clouds

Published online by Cambridge University Press:  04 August 2017

B. Y. Mills  and
A. J. Turtle
B. Y. Mills
Affiliation:
School of Physics, University of Sydney, N.S.W. 2006, Australia
A. J. Turtle
Affiliation:
School of Physics, University of Sydney, N.S.W. 2006, Australia

Extract

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Continuum radio emission from the Large Magellanic Cloud was first detected just 30 years ago (Mills & Little, 1953). Subsequently, surveys of the Clouds were made after each new advance in southern hemisphere instrumentation and the principal surveys are listed and briefly described in Table I. They cover a range of frequencies from 19.7 MHz to 8.4 GHz. The early surveys at low frequencies were chiefly concerned with the overall synchrotron emission from the Clouds but, as resolution improved, emphasis has shifted to the individual sources, both emission nebulae and supernova remnants, which can be recognized as Cloud members. Of recent years the unique position of the Clouds for studying radio sources in external galaxies has been undermined by the development of powerful synthesis telescopes in the northern hemisphere; these have provided equivalent sensitivity and better spatial resolution on M31, and several other northern galaxies can also be studied effectively. However, with the commissioning of the Molonglo Observatory Synthesis Telescope (MOST) in 1981 the Clouds have been restored to their rightful place befitting the closest galaxies.

Type
Supernova Remnants, Radio Continuum, X-ray Sources
Information
Symposium - International Astronomical Union , Volume 108: Structure and Evolution of the Magellanic Clouds , 1984 , pp. 283 - 291
Copyright
Copyright © Reidel 1984 

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