High Angular Resolution Monitoring of Prominent AGN at 86 GHz
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We report results from 3mm-VLBI observations of 3C273 and 3C454.3 during the period 1994-1997. In both sources the images show superluminal motion in feature-rich jets. Due to the improved uv-coverage in the later experiments, the jets can be followed further out than previously. Comparision with maps obtained at longer wavelengths allows to determine spectral gradients along the jets. Opacity effects lead to transverse displacements of the jet ridgelines. These displacements appear to be different in 3C273 and 3C454.3.
4 pages, 3 figures, to appear in the Proceedings of the `Second Millimeter VLBI Science Workshop', held at IRAM, Granada (Spain) on May 27-29, 1999. Editors: A. Greve et al., IRAM Report (Grenoble: France), in press
4 pages, 3 figures, to appear in the Proceedings of the `Second Millimeter VLBI Science Workshop', held at IRAM, Granada (Spain) on May 27-29, 1999. Editors: A. Greve et al., IRAM Report (Grenoble: France), in press