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arxiv: astro-ph/9906358 · v1 · submitted 1999-06-23 · 🌌 astro-ph

Helical motions in the jet of blazar 1156+295

X. Y. Hong , D. R. Jiang(Shanghai Astronomical Observatory) , L. I. Gurvits , M. A. Garrett , R. T. Schilizzi (Joint Institute for VLBI in Europe) , R. D. Nan (Beijinag Astronomical Observatory) This is my paper
classification 🌌 astro-ph
keywords blazarhelicalobservedanglearcsecond-scaledirectionexplainextension
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The blazar 1156+295 was observed by VLBA and EVN + MERLIN at 5 GHz in June 1996 and February 1997 respectively. The results show that the jet of the source has structural oscillations on the milliarcsecond scale and turns through a large angle to the direction of the arcsecond-scale extension. A helical jet model can explain most of the observed properties of the radio structure in 1156+295.

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