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• Kinematic Study of the Blazar 0716+714,
  U. Bach, T.P. Krichbaum, E. Ros, A. Witzel, J.A. Zensus, S. Britzen
  Future Directions in High Resolution Astronomy, ASP Conference Series, J. D. Romney & M. J. Reid (eds.), in press (2004)
  
  • Abstract We determined the kinematics at the jet of 0716+714 from a re-analyisis of multi-frequency VLBI data (5, 8.4, 15, 22 GHz) obtained during the last 10 years combined with data from the literature. For this intra-day variable blazar, only a lower limit of its distance is known (z larger than 0.3). We find that 0716+714 is a relatively fast superluminal source (with a Lorentz factor over 15), revising earlier results showing much slower motions. We discuss the new findings with emphasis on the interpretation of the observed rapid radio variability.

Eduardo Ros ros@mpifr-bonn.mpg.de

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