Parsec Scale Properties of Radio Sources

Details Parsec Scale Properties of Radio Sources Parsec Scale Properties of Radio Sources

2002-10-15

arxiv.org/abs/astro-ph/0210336v1

Proceedings of the 6th European VLBI Network Symposium, edited by E. Ros, R.W. Porcas, A.P Lobanov, and J.A. Zensus, 2002, p.

Astronomy and Astrophysics

Astrophysics

4 pages, 5 figures. Contributed paper to the 6th European VLBI Network Symposium held on June 25th-28th in Bonn (D)

Scientific paper

We present a new complete sample of radio sources selected from the B2 and 3CR catalogues, with no bias respect to the jet velocity and orientation. Using preliminary data we investigate the parsec scale properties of radio sources with different radio power and kpc scale morphology. We stress the evidence for high velocity pc scale jets in all sources and conclude that the properties of parsec scale jets are similar regardless of the source total power and large scale morphology. Moreover we show two epoch images of two nearby radio galaxies: a low power compact source and a CSO. The comparison of the two epoch images suggests that in both sources the size is increasing with time. We derive a possible advance speed and estimate their dynamic age.

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