Large-scale superluminal motion in the quasar 3C273

Details Large-scale superluminal motion in the quasar 3C273 Large-scale superluminal motion in the quasar 3C273

Dec 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991natur.354..374d&link_type=abstract

Nature (ISSN 0028-0836), vol. 354, Dec. 5, 1991, p. 374-376. Research supported by NSF.

Astronomy and Astrophysics

Astronomy

39

Quasars, Radio Telescopes, Relativistic Effects, Stellar Luminosity, Very Long Base Interferometry, Astronomical Maps, Line Of Sight, Stellar Models

Scientific paper

Observations of the quasar 3C273 have been made at 1.7 GHz using VLBI with a global network of 16 radio telescopes, resulting in a high-dynamic-range map of the jet with a ratio of peak brightness to rms noise level of 16,000:1. No counterjet is seen, a result which is just barely consistent with the standard model of a superluminal jet. The jet extends out to 220 pc. Comparison with an earlier image shows that superluminal motion extends out to at least 120 pc, three times farther than previously noted.

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