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Radio Continuum Observations of Large Supernova Remnants

Published online by Cambridge University Press:  04 August 2017

W. Reich ,
E. Fürst  and
W. Sieber
W. Reich
Affiliation:
Max-Planck-Institut für Radioastronomie, Bonn, FRG
E. Fürst
Affiliation:
Max-Planck-Institut für Radioastronomie, Bonn, FRG
W. Sieber
Affiliation:
Max-Planck-Institut für Radioastronomie, Bonn, FRG

Extract

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Radio observations of large supernova remnants (SNRs) with high angular resolution have been provided by modern synthesis instruments preferentially at frequencies below 2 GHz. Since these instruments are sensitive mainly to unresolved emission spots, weak extended SNRs usually remain undetected. Besides this, there are numerous physical parameters, which can be studied more properly at higher frequencies. In particular, the polarization characteristics can be more easily analyzed and reduced to the intrinsic magnetic field orientation. In some cases foreground effects substantially disturb the SNR's field structure at low frequencies.

Type
IV. Old Supernova Remnants - Heating of the Interstellar Medium
Information
Symposium - International Astronomical Union , Volume 101: Supernova Remnants and Their X-Ray Emission , 1983 , pp. 377 - 379
Copyright
Copyright © Reidel 1983 

References

Bell, A.R.: 1978, Monthly Notices Roy. Astron. Soc. 182, pp. 147–156.CrossRefGoogle Scholar