Multi-frequency VSOP and VLBI observations of the quasar 3C309.1

Details Multi-frequency VSOP and VLBI observations of the quasar 3C309.1 Multi-frequency VSOP and VLBI observations of the quasar 3C309.1

2006-12-20

arxiv.org/abs/astro-ph/0612573v1

PoS8thEVN:020,2006

Astronomy and Astrophysics

Astrophysics

6 pages, 3 figures, to appear in the proceedings of the 8th EVN Symposium held in Torun, Poland, Sep. 26-29, 2006

Scientific paper

We present multi-frequency observational results for the Compact Steep-Spectrum (CSS) quasar 3C309.1. The observations were carried out with the VSOP at 1.6 and 4.8GHz and the VLBA at 15.4GHz. The source has a distorted, one-sided radio jet. Relativistics effects and physical properties are discussed. Comparing the predicted and observed X-ray fluxes in the framework of the synchrotron self-Compton model we derive the beaming factor for 3C309.1. The complex structure of the jet may be explained by a relativistic helical flow in a heterogeneous, clumpy ISM.

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