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Investigations of 3C345

Published online by Cambridge University Press:  03 August 2017

J. A. Biretta  and
M. H. Cohen
J. A. Biretta
Affiliation:
Harvard - Smithsonian Center for Astrophysics
M. H. Cohen
Affiliation:
California Institute of Technology

Extract

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The well known superluminal source 3C345 is associated with a 16th magnitude quasar at z=0.595. The optical continuum is highly polarized and shows violent variations. At x-ray frequencies it is a weak source; while at radio frequencies it is bright and variable. The radio structure consists of a 200 kpc halo, a 20 kpc jet, and a very bright pc scale region which shows superluminal motion. Recent MkII VLBI monitoring (Biretta, Moore, Cohen 1986) at 2, 5, 11, and 22 GHz has provided accurate spectra, sizes, expansion rates, velocities, and trajectories for the superluminal knots and the “core.” Here we consider physical conditions in the emission regions and models for the kinematics.

Type
Extragalactic
Information
Symposium - International Astronomical Union , Volume 129: The Impact of VLBI on Astrophysics and Geophysics , 1988 , pp. 19 - 20
Copyright
Copyright © Reidel 1988 

References

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