Superluminal motion in the double-lobed quasar 3C263

Details Superluminal motion in the double-lobed quasar 3C263 Superluminal motion in the double-lobed quasar 3C263

Jan 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987natur.325...36z&link_type=abstract

Nature (ISSN 0028-0836), vol. 325, Jan. 1, 1987, p. 36-38. NSF-supported research.

Astronomy and Astrophysics

Astronomy

27

Light Speed, Quasars, Relativistic Velocity, Stellar Motions, Radio Jets (Astronomy), Radio Sources (Astronomy), Relativity, Very Long Base Interferometry

Scientific paper

The authors report the detection of superluminal motion in the quasar 3C 263. The milliarc second structure of this source consists of two nearly unresolved components, whose separation is increasing at a rate of 0.06±0.02 mas yr-1. This corresponds to an expansion speed of 2.7±0.9 c (H0 = 55 km s-1Mpc-1, q0 = 0.05). This quasar is the weakest superluminal source found so far, and there are indications that superluminal motion occurs frequently in this class of weak-cored classical double sources.

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