An extremely curved relativistic jet in PKS 2136+141

Details An extremely curved relativistic jet in PKS 2136+141 An extremely curved relativistic jet in PKS 2136+141

2004-12-29

arxiv.org/abs/astro-ph/0412656v1

Astronomy and Astrophysics

Astrophysics

4 pages. 3 figures. Proceedings of the 7th European VLBI Network Symposium held in Toledo, Spain on October 12-15, 2004. Edito

Scientific paper

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.

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