Astronomy and Astrophysics – Astronomy
Scientific paper
Apr 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992cha%26a..16..137q&link_type=abstract
(Acta Astronomica Sinica, vol. 32, no. 4, 1991, p. 369-379) Chinese Astronomy and Astrophysics (ISSN 0275-1062), vol. 16, no. 2,
Astronomy and Astrophysics
Astronomy
8
Extragalactic Radio Sources, Light Speed, Quasars, Radio Jets (Astronomy), Astronomical Models, Magnetic Field Configurations, Magnetohydrodynamic Stability, Magnitude, Very Long Base Interferometry
Scientific paper
In the typical superluminal source 3C 345, there are two radio knots C4 and C5 which move along two different curved orbits and which show acceleration near the core. An explanation of these observations is presented here. It is assumed that the knots follow spiral-shaped magnetic lines inside the jet. From simple geometrical consideration, with an appropriate form of the spiral and a suitable size of the velocity in space, the observed paths and velocities of these two knots can be well explained.
Hummel Christian A.
Krichbaum Th.
Qian Shan-Jie
Quirrenbach Andreas
Witzel Andreas
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