Volume 421, Number 3, July III 2004
|Page(s)||839 - 846|
|Published online||29 June 2004|
Extreme superluminal motion in the curved Jet of PKS 1502+106*
Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai 200030, PR China
2 National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012, PR China
3 Istituto di Radioastronomia del CNR, via Gobetti 101, 40129 Bologna, Italy
Corresponding author: T. An, email@example.com
Accepted: 16 March 2004
In this paper we present a multifrequency and multiepoch study of PKS 1502+106 at radio frequencies. The analysis is based on an EVN (European VLBI Network) dataset at 5 GHz and archive VLBA (Very Long Baseline Array) datasets at 2.3, 8.3, 24.4 and 43.1 GHz over a period of 8 years. The source is characterized by a multi-component one-sided jet at all epochs. The high-resolution images at 5, 8.3, 24.4 and 43.1 GHz show a curved jet morphology in the source. The radio core brightness temperature approaches the equipartition limit. Superluminal motions of , , and are measured in four distinct components of the jet. Our analysis supports the idea that the relativistic jet in PKS 1502+106 is characterised by extreme beaming and that its radio properties are similar to those of γ-ray loud sources.
Key words: galaxies: jets / quasars: general / quasars: individual: PKS 1502+106
© ESO, 2004
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