illustrating the general pattern of two patches of emission

illustrating the general pattern of two patches of emission...

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illustrating the general pattern of two patches of emission. The central galaxy (more specifically the nucleus) is implicated in powering the emission. More detailed radio maps show intricate structures in the emission, including jets pointing out from a submilliarcsecond core (generally shown to be less than a parsec in size, sometimes much less). Such structure is well shown in the
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Unformatted text preview: VLA map of Cygnus A by Perley et al. (1984 ApJLett 284, L35) shown here in a logarithmic display of their data from the NRAO Radio Universe CD-ROM with a superposition on the optical field for comparison....
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