An Extremely Curved Relativistic Jet in PKS 2136+141
The Astrophysical Journal2006Vol. 647(1), pp. 172–184
Citations Over TimeTop 10% of 2006 papers
Abstract
Abstract. We report the discovery of an extremely curved jet in the high frequency peaking GPS quasar PKS 2136+141. Our multi-frequency VLBA images show a bending jet making a turn-around of 210 degrees on the plane of the sky, which is, to our knowledge, the largest ever observed change in a structural position angle of an extragalactic jet. Images taken at six different frequencies, from 2 to 43 GHz, beautifully reveal a spiral-like trajectory. We discuss possibilities to constrain the 3-D geometry of the source and suggest that it could be used as a testbed for models describing the bending of the relativistic jets. 1.
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