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Searching for Supernova Remnants

Published online by Cambridge University Press:  05 March 2013

A. Walker  and
W. J. Zealey
A. Walker
Affiliation:
Department of Physics, University of Wollongong, Northfields Avenue, Wollongong, NSW 2522, Australia; [email protected]
W. J. Zealey
Affiliation:
Department of Physics, University of Wollongong, Northfields Avenue, Wollongong, NSW 2522, Australia; [email protected]
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Abstract

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The UKST/AAO Galactic Plane Hα Survey has the potential to discover many new objects not visible on red plates taken in past surveys. Recent radio surveys have identified large numbers of new supernova remnants, very few of which have been optically identified. Here we will discuss our plans to use this survey to search for optical emission from both new and known supernova remnants. Observations of these objects in the optical and radio wavelengths will reveal important information about the physical and chemical properties of supernova remnants, and their role in the evolution of the galaxy. We also present a composite image of a newly discovered Hα shell around the Coalsack, named the Coalsack Loop. This object has been detected in radio emission and may represent the remains of an old supernova remnant.

Keywords

surveysISM: bubblesISM: generalsupernova remnants
Type
Research Article
Information
Publications of the Astronomical Society of Australia , Volume 15 , Issue 1 , 1998 , pp. 79 - 82
Copyright
Copyright © Astronomical Society of Australia 1998

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