Astronomy and Astrophysics – Astrophysics
Scientific paper
Jul 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981apj...247l..57j&link_type=abstract
Astrophysical Journal, Part 2 - Letters to the Editor, vol. 247, July 15, 1981, p. L57-L61. NSF-supported research.
Astronomy and Astrophysics
Astrophysics
24
Astronomical Models, Centimeter Waves, Galactic Nuclei, Galactic Radio Waves, Very Long Base Interferometry, Active Galaxies, Antenna Arrays, Galactic Structure
Scientific paper
Observations of eight galaxies with the VLA showed five to have extended radio emission which, in general, appears asymmetric and on a scale of only a few seconds of arc. Comparison of this structure with VLBI models of the milli-arcsec scale structure in the nuclei revealed close alignments between the position angles, suggesting a long-term dynamical connection between these different regions. This is very similar to the situation found in many active radio galaxies and quasars. If a common physical mechanism is indeed responsible for the similar radio structures seen in all of these objects, then it must be capable of operating over a range of at least 1,000,000, and probably much more, in radio luminosity.
Jones Llanwyn D.
Sramek Richard A.
Terzian Ye.
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