publication . Preprint . 2014

The nature of extragalactic radio-jets from high-resolution radio-interferometric observations

Perucho, Manel;
Open Access English
  • Published: 05 Dec 2014
Extragalactic jets are a common feature of radio-loud active galaxies. The nature of the observed jets in relation to the bulk flow is still unclear. In particular it is not clear whether the observations of parsec-scale jets using the very long baseline interferometric technique (VLBI) reveal wave-like structures that develop and propagate along the jet, or trace the jet flow itself. In this contribution I review the evidence collected during the last years showing that the ridge-lines of helical radio-jets do not correspond to observational artifacts. This conclusion was reached by studying a number of VLBI observations of the radio jet in the quasar S5~0836+7...
arXiv: Astrophysics::High Energy Astrophysical PhenomenaAstrophysics::Cosmology and Extragalactic Astrophysics
free text keywords: Astrophysics - High Energy Astrophysical Phenomena, Astrophysics - Cosmology and Nongalactic Astrophysics
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