The large and small scale radio structure of 3C236

Details The large and small scale radio structure of 3C236 The large and small scale radio structure of 3C236

Jul 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985a%26a...148..243b&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 148, no. 2, July 1985, p. 243-253. Research supported by the Nederlandse Organ

Astronomy and Astrophysics

Astrophysics

48

Astronomical Maps, Galactic Nuclei, Galactic Structure, Radio Emission, Radio Galaxies, Very Long Base Interferometry, Astronomical Models, Galactic Evolution, Plasma Jets

Scientific paper

The radio emission of the largest known object in the universe, the radio galaxy 3C236, has been studied in detail with resolutions of 23 arcsec to 1 milliarcsec. The 40-arcmin overall structure has been observed with 4000:1 dynamic range using the Westerbork array, and the subarcsecond nuclear structure has been mapped with transatlantic VLBI arrays, in combination with MERLIN. Striking similarities between the large and small scale structures are found. Assuming a physical origin for these similarities, it is argued that a long-lasting asymmetric interaction of the energy flow with the core environment is responsible for the overall morphology in 3C236. The evolution of the radio galaxy is also discussed, and a scenario-dependent age of 10 to the 9th (+ or - 1 power) yr is proposed.

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