Nature of Optical Jets of SS433

Details Nature of Optical Jets of SS433 Nature of Optical Jets of SS433

Dec 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998tx19.confe.427p&link_type=abstract

Abstracts of the 19th Texas Symposium on Relativistic Astrophysics and Cosmology, held in Paris, France, Dec. 14-18, 1998. Eds.:

Astronomy and Astrophysics

Astrophysics

Scientific paper

Relativistic jets of SS433 are unique because of optical emission lines. They are radiating by small clouds (10^8 cm) which have life times of ~10^3 of the gas-dynamical crushing time. Proofs are found that shock interactions of the clouds with environment strongly magnifies the survival time. Optical jets cease beyond ''crushing wall'' and become most bright in radio. The distance to the ''wall'' is determined by values of jet velocity, wind velocity and precession period. Beyond this distance the jets move in empty wake of previous precessional passage. From Balmer decrements and anisotropy of jets radiation it follows that the clouds collide with oblique shock waves. This is consequence of the precessional movement. Predicted here dynamics of the clouds expansion confirms that they do shock with the environment. So, main cause of uniqueness of the optical jets of SS433 is thought to be their precession.

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