Astronomy and Astrophysics – Astronomy
Scientific paper
Apr 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986cajph..64..440r&link_type=abstract
(Conference on Jets from Stars and Galaxies, Toronto, Canada, June 24-27, 1985) Canadian Journal of Physics (ISSN 0008-4204), vo
Astronomy and Astrophysics
Astronomy
14
Radio Jets (Astronomy), Radio Sources (Astronomy), Astronomical Maps, Relativistic Velocity, Very Long Base Interferometry
Scientific paper
The alignment of Very Long Baseline Interferometry scale structure with arcsecond scale structure is examined for a much larger sample of core-dominated radio sources, and the distribution of observed misalignment angles is compared with theoretical distributions calculated from models using a range of intrinsic bend angles, xi, and Lorentz factors, gamma. The theoretical distributions produced by simple relativistic beam models are found to be consistent with the data. However, the values of xi and gamma required to fit the data are highly correlated, with equally good fits produced by gamma = 5, xi = 11 deg and gamma = 10, xi = 5 deg, for instance. Either xi or gamma must be known independently for an analysis of the misalignment angle distribution to provide a significant constraint on beam parameters.
Rusk C. M. A.
Rusk Raymond
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