Two-epoch observations of the core radio structure in extended quasars

Details Two-epoch observations of the core radio structure in extended quasars Two-epoch observations of the core radio structure in extended quasars

Oct 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985a%26a...151..131b&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 151, no. 1, Oct. 1985, p. 131-136.

Astronomy and Astrophysics

Astrophysics

21

Astronomical Maps, Quasars, Very Long Base Interferometry, Data Reduction, Galactic Structure, Jets, Morphology

Scientific paper

Very Long Baseline Interferometry (VLBI) maps of the parsec-scale structure in the cores of several large extended radio sources associated with quasars have been obtained at two epochs. The position angle of the small and large scale emission are found to be in good agreement. Two sided nuclear jets are detected as well as an upper limit of a times c for possible expansion velocities. These results are consistent with bulk relativistic core velocities, provided the source axes are near the plane of the sky.

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