- Zensus, J. A., et al.
The inner radio jet of 3C273
Ingår i: Nature. - London : Nature Publishing Group. - 0028-0836 .- 1476-4687. ; 334:6181, s. 410-412
- <p>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 (2<sup>°</sup>) of this quasar<sup>1</sup>. Dramatic improvement can now be achieved using larger arrays and antennas in the Southern Hemisphere<sup>2,3</sup>. 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 l<sub>proj</sub>∼125 h<sup>-;1</sup> parsecs from the core. Superluminal motion exists out to at least lproj≈46h<sup>-1</sup> 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. © 1988 Nature Publishing Group.</p>