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Parsec-scale structures of radio galaxies in the 2-Jy sample
T. Venturi 1,
R. Morganti 2,
T. Tzioumis 3 and
J. Reynolds 3
Received 4 August 2000 / Accepted 25 August 2000
In this paper we present the results of VLBI observations of six radio galaxies belonging to the 2-Jy sample. The selected objects are 3C17, PKS 0620-52, PKS 0625-35, PKS 1318-43, PKS 1333-33 and 3C317. The first is a high power radio galaxy and the remainder are all low power objects. Our observations were carried out with a set of different arrays and frequencies, and cover a range of resolutions from a few mas to a few tens of mas.
Parsec-scale images are presented and discussed in the light of unification for radio loud galaxies. Estimates for the intrinsic plasma speeds in these objects in the proximity of the parsec-scale core and their orientation to the line of sight are in agreement with the predictions from unified models and with their optical and X-ray properties.
We will use Ho = 50 km s-1Mpc-1, qo = 0 and throughout the paper.
Key words: galaxies: general galaxies: quasars: general galaxies: structure radio continuum: galaxies
Send offprint requests to: T. Venturi (firstname.lastname@example.org)
Online publication: December 5, 2000