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The Radio Spectral Index of 3C58

Published online by Cambridge University Press:  26 May 2016

M. F. Bietenholz ,
N. Kassim  and
K. Weiler
M. F. Bietenholz
Affiliation:
Department of Physics and Astronomy, York University, Toronto, M3J 1P3, Ontario, Canada
N. Kassim
Affiliation:
Remote Sensing Division, Naval Research Laboratory, Washington, USA
K. Weiler
Affiliation:
Remote Sensing Division, Naval Research Laboratory, Washington, USA

Abstract

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We report on 74 MHz and 330 MHz VLA observations of the plerionic supernova remnant 3C58. The radio spectral index, α, is uniform across the remnant to within 0.18, indicating a single source for the accelerated electrons. We find no emission from any shell surrounding the remnant. Our 3σ brightness limit on shell emission surrounding 3C58 is < 1.3×10−21 W m−2 Hz−1 sr−1 at 330 MHz.

Type
Part 5: Galactic Surveys and Extended Emission
Information
Symposium - International Astronomical Union , Volume 199: The Universe at Low Radio Frequencies , 2002 , pp. 303 - 306
Copyright
Copyright © Astronomical Society of the Pacific 2002 

References

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