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Relativistic Jets in Low Power Radio Galaxies

Published online by Cambridge University Press:  12 April 2016

G. Giovannini ,
E. Arbizzani ,
L. Feretti ,
T. Venturi ,
W.D. Cotton ,
L. Lara  and
G.B. Taylor
G. Giovannini
Affiliation:
Istituto di Radioastronomia, 40129 Bologna, Italy Dipartimento di Astronomia, Universitá di Bologna, 40126 Bologna, Italy
E. Arbizzani
Affiliation:
Istituto di Radioastronomia, 40129 Bologna, Italy
L. Feretti
Affiliation:
Istituto di Radioastronomia, 40129 Bologna, Italy
T. Venturi
Affiliation:
Istituto di Radioastronomia, 40129 Bologna, Italy
W.D. Cotton
Affiliation:
National Radio Astronomy Observatory, Charlottesville, VA 22903, U.S.A.
L. Lara
Affiliation:
Instituto de Astrofísica de Andalucía, CSIC, 18080 Granada, Spain
G.B. Taylor
Affiliation:
National Radio Astronomy Observatory, Socorro, NM 87801, U.S.A.

Abstract

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From VLBI observations of 11 FR I radio galaxies we find that: 1. parsec scale jets are relativistic; 2. 3C 264 shows a relativistic jet decelerating moving from the core to the extended lobes; 3. 3C 338 is a source with asymmetric parsec scale structure and morphological changes, implying proper motion on both sides of the source; 4. 1144+35 is an extended low power radio galaxy with an apparent superluminal motion in its parsec scale radio structure.

Type
Research Article
Information
International Astronomical Union Colloquium , Volume 164: Radio Emission from Galactic and Extragalactic Compact Sources , 1998 , pp. 85 - 86
Copyright
Copyright © Astronomical Society of the Pacific 1998

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