The authors selected 16 core-dominated sources based on two criteria: (1) They have a core-jet VLBI morphology. (2) Previous observations at lower resolution indicated that there was extended structure on scales of ≥1arcsec. The sources were observed in the A configuration of the VLA at 6 and 2 cm with typical resolutions of ≡0arcsec.45 and ≡0arcsec.15 respectively. Contour plots of total intensity with E vectors superposed of four sources with jets are shown.
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