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Intermediate Scale Structure

Published online by Cambridge University Press:  04 August 2017

I.W.A. Browne*
Affiliation:
Nuffield Radio Astronomy Laboratories, Jodrell Bank

Extract

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What does intermediate (arcsecond) scale structure tell us about the activity deep in the VLBI cores of galaxies and quasars? There are certain key areas where a knowledge of this structure is particularly relevant. One is in defining the relationships between the various classes of objects leading to unified schemes. A second is in the understanding of jet physics. For the latter it is very important to know if the material in the jets supplied from the nucleus is heavy or light, slow or fast, ejected one side at a time or symmetrically. The optimum resolution to study jet material is on the arcsecond (≡ kiloparsec) scale where very high dynamic range maps are possible and where it becomes feasible to find out something about the physical conditions in the surrounding medium from optical and X-ray observations.

Type
Research Article
Copyright
Copyright © Reidel 1984 

References

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