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VSOP monitoring of the Quasar 1928+738
Authors:D W Murphy  S J Tingay  R A Preston  D L Meier  D L Jones  J C Guirado  A Polatidis  J E Conway  H Hirabayashi  H Kobayashi  Y Murata
Institution:1. Jet Propulsion Laboratory, MS 238-332, 4800 Oak Grove Drive, Pasadena, CA 91109, USA;2. Departamento Astronomia y Astrofisica, Universidad de Valencia, Dr. Molines 50, E-46100 Burjassot, Valencia, Spain;3. Joint Institute for VLBI in Europe, Postbus 2, 7990 AA, Dwingeloo, The Netherlands;4. Onsala Space Observatory, S-439 92 Onsala, Sweden;5. Institute of Space and Astronautical Science, 3-1-1 Yoshinodai, Sagamihara, Kanagawa 229–8510, Japan
Abstract:We present the results from a campaign to monitor the relatively low redshift (z=0.3) circumpolar superluminal quasar 1928+738 with VSOP during the first Announcement of Opportunity period. The four epochs of data show that there have been substantial structural changes in this source near the core on the time-scale of a few months.
Keywords:Radio continuum: galaxies  Quasars: individual (1928+738)
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