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Structure of the compact radio component in 3C236

Nature volume 257, pages 99103 (11 September 1975) | Download Citation

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Abstract

The compact component in the giant radio galaxy 3C236 has been studied at 0.4, 2.7 and 8.1 GHz, with resolution of up to 0.13″. The overall structure is double and asymmetric. The extent is 0.8″ in a position angle of 121±4° which, within the uncertainties, is the same as that of the large outer 39′ double. No difference between the spectra of the subcomponents was detected. On a scale of 0.2″ there is fine structure. The radio subcomponents are almost certainly not confined and are thus the results of a relatively recent event in the nucleus of 3C236. Our results are compatible with continuous flow models which are well collimated along an axis whose alignment does not change significantly during the lifetime of the source.

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Author information

Affiliations

  1. National Radio Astronomy Observatory, Green Bank, West Virginia

    • E. B. Fomalount
  2. Sterrewacht, Huygens Laboratorium, Leiden, The Netherlands

    • G. K. Miley

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https://doi.org/10.1038/257099a0

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