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Evolution Of Compact Radio-Loud AGNs

Published online by Cambridge University Press:  01 August 2006

M. Kunert-Bajraszewska ,
A. Marecki  and
P. Thomasson
M. Kunert-Bajraszewska
Affiliation:
Toruń Centre for Astronomy, N. Copernicus University, PL-87-100 Toruń, Poland
A. Marecki
Affiliation:
Toruń Centre for Astronomy, N. Copernicus University, PL-87-100 Toruń, Poland
P. Thomasson
Affiliation:
Jodrell Bank Observatory, University of Manchester, Macclesfield, Cheshire, SK11 9DL, UK
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Abstract

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Multifrequency MERLIN, VLBA and VLA radio observations of Compact Steep Spectrum (CSS) radio sources are discussed. According to the theory of the evolution of CSS sources, they are the precursors of larger/older radio-loud AGNs. However, our observations reveal a small number of strong candidates for compact faders, which support an alternative idea that some small-scale, radio sources are short-lived phenomena.

Keywords

galaxies: activegalaxies: evolution
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2 , Symposium S235: Galaxy Evolution Across the Hubble Time , August 2006 , pp. 115
Copyright
Copyright © International Astronomical Union 2007

References

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