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The Milliarcsecond Structure of Active Galactic Nuclei Observed with VLBI

Pearson, T. J. and Readhead, A. C. S. (1989) The Milliarcsecond Structure of Active Galactic Nuclei Observed with VLBI. In: Active Galactic Nuclei. IAU Symposium Proceedings Series. No.134. Kluwer , Dordrecht, pp. 525-528. ISBN 9780792302568. https://resolver.caltech.edu/CaltechAUTHORS:20181121-084638694

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Abstract

Very Long Baseline Interferometry at radio wavelengths is the only technique available for imaging the central few parsecs of powerful radio galaxies and quasars. VLBI observations have shown that in many nuclei radio-emitting material is collimated into a jet on a scale less than a parsec and ejected at relativistic velocities. The interpretation of the observations is complicated by the relativistic motion, however: the images are dominated by those parts of the source that are moving almost directly towards the observer, and thus amplified by relativistic aberration. Nonetheless, the VLBI images are vital for understanding the nature of the central engine, the cause of the collimation, and the physics of the jets.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
https://doi.org/10.1017/S0074180900141877DOIArticle
ORCID:
AuthorORCID
Pearson, T. J.0000-0001-5213-6231
Readhead, A. C. S.0000-0001-9152-961X
Additional Information:© 1989 by the IAU. This work was supported in part by the National Science Foundation under grant AST 85-09822.
Funders:
Funding AgencyGrant Number
NSFAST 85-09822
Series Name:IAU Symposium Proceedings Series
Issue or Number:134
Record Number:CaltechAUTHORS:20181121-084638694
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20181121-084638694
Official Citation:Pearson, T., & Readhead, A. (1989). The Milliarcsecond Structure of Active Galactic Nuclei Observed with VLBI. Symposium - International Astronomical Union, 134, 525-528. doi:10.1017/S0074180900141877
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:91125
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:21 Nov 2018 17:19
Last Modified:20 May 2020 21:24

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