Astronomy and Astrophysics – Astrophysics – Solar and Stellar Astrophysics
Scientific paper
2011-03-24
Astronomy and Astrophysics
Astrophysics
Solar and Stellar Astrophysics
5 pages, 4 figures, contribution to conference HEA-2010, Moscow, December, 2010
Scientific paper
The problem of the interaction between the precessing mildly relativistic radio jets of SS433 and an ambient medium has been often invoked in interpretations of the jets behaviour. The dynamical interaction could be responsible for disagreements between the kinematic model and observations of the jets. To estimate the relative ram pressure of the jet and impinging matter we used the profile along the radio jets of brightness of synchrotron radiation. From this we estimated magnitude of possible deceleration and twisting of the jets, and compare model locus of the jets with observations. The magnitude is enough big to be observed, that addresses an applicability of the kinematic model, based mostly on the optical observations, to the radio jets and a problem of the kinematic distance to the object in particular.
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