Geometrical patterns of astrophysical jets

Details Geometrical patterns of astrophysical jets Geometrical patterns of astrophysical jets

Jan 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988a%26a...189...45z&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 189, no. 1-2, Jan. 1988, p. 45-50.

Astronomy and Astrophysics

Astronomy

9

Astronomical Models, Extragalactic Radio Sources, Radio Jets (Astronomy), Angular Velocity, Kelvin-Helmholtz Instability, Mach Number, Quasars, Velocity Distribution

Scientific paper

The observed morphological features of extragalactic radio jets include wiggles, pinches, and bends as well as 'C'- and 'S'-shaped symmetries. To gain understanding of these properties, several applicable models are reviewed, including helical and pinching instabilities, curvature due to variable jet velocity, and precession. It is found that different combinations of these models make it possible to reproduce these features and to deduce a number of important physical parameters, such as the Mach number, the density contrast, and the angular velocity of the parent galaxy.

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