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The Radio Spectral Index of 3C58
Published online by Cambridge University Press: 26 May 2016
Abstract
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