The inner radio jet of 3C273

Details The inner radio jet of 3C273 The inner radio jet of 3C273

Aug 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988natur.334..410z&link_type=abstract

Nature (ISSN 0028-0836), vol. 334, Aug. 4, 1988, p. 410-412. Research supported by NSF and Naturvetenskapliga Forskningsradet.

Astronomy and Astrophysics

Astronomy

48

Quasars, Radio Jets (Astronomy), Line Spectra, Southern Hemisphere, Very Long Base Interferometry

Scientific paper

Radio maps of 3C273 obtained with very long baseline interferometry (VLBI) have been limited by low dynamic range and poor north-south resolution resulting from the low declination of this quasar. Dramatic improvement can now be achieved using larger arrays and antennas in the Southern Hemisphere. A new VLBI map, made at 5 GHz with angular resolution and dynamic range unsurpassed at this frequency for this source, shows a narrow jet extending to a projected distance of about 125/h parsecs from the core. Superluminal motion exists out to at least roughly 46/h parsecs. Successive superluminal components emerge from the core and appear to move on a fixed curved path with similar speeds of about 1 milliarcseconds per year.

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