EVN Observations of the BL Lac object ON 231
Abstract
New EVN images at 5.0 GHz and 8.4 GHz of ON 231 confirm the complex structure of the source, the identification of the core, the presence of components on the two sides of the core itself and a low brightness extension South-East of the main jet. The optical behaviour of the source is discussed in connection to changes in the radio structure.
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