Welcome to the new version of CaltechAUTHORS. Login is currently restricted to library staff. If you notice any issues, please email coda@library.caltech.edu
Published 1984 | Published
Book Section - Chapter Open

Multi-Epoch Observations of Survey Sources


Five objects mapped as part of a VLBI survey have been re-observed at 5 GHz, and four of them have also been observed at 10 GHz. Three of the objects show no substantial structural variations: an upper limit of 2c can be placed on the apparent relative velocities of the components. One object (0711+356) shows structural variations which are mostly simply described in terms of a superluminal contraction. The remaining object (3C371, 1807+698) shows substantial structural variations which suggest that it probably is a superluminal source. The source 0710+439 is especially interesting as it consists of a central flat-spectrum core component straddled by two compact steep-spectrum components.

Additional Information

© 1984 by the IAU.

Attached Files

Published - multiepoch_observations_of_survey_sources.pdf


Files (366.8 kB)
Name Size Download all
366.8 kB Preview Download

Additional details

August 19, 2023
January 14, 2024