Rectilinear motions in 3C 345

Details Rectilinear motions in 3C 345 Rectilinear motions in 3C 345

Jun 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983apj...269l...1c&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 269, June 1, 1983, p. L1-L4.

Astronomy and Astrophysics

Astronomy

32

Quasars, Radio Astronomy, Stellar Motions, Astronomical Maps, Very Long Base Interferometry

Scientific paper

A position angle coincidence in 3C 345 between the elongation seen in 1971-1975 at 1-1.5 milli-arcsec from the core, and the outer component seen in 1978-1981 at 3.5-5 milli-arcsec, is found to provide evidence for rectilinear motion. The inner component seen in 1978-1981 at 1-2 milli-arcsec is determined to be at a different position angle. Results indicate that the observed curvature is caused by a change in orientation of the nozzle and not by components following a fixed curved path. The identification of the outer component seen in 1978-1981 with the 1971-1975 western component indicates a linear acceleration in 1974-1976.

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