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The inner radio jet of 3C273
Owens Valley Radio Observatory, California Institute of Technology, Pasadena, California, USA.
Onsala Space Observatory, Chalmers University of Technology, Gothenburg, Sweden & Owens Valley Radio Observatory, California Institute of Technology, Pasadena, California, USA.ORCID iD: 0000-0002-4826-019X
Owens Valley Radio Observatory, California Institute of Technology, Pasadena, California, USA.
Hartebeesthoek Radio Observatory, Johannesburg, South Africa.
1988 (English)In: Nature, ISSN 0028-0836, E-ISSN 1476-4687, Vol. 334, no 6181, 410-412 p.Article in journal (Refereed) Published
Abstract [en]

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°) of this quasar1. Dramatic improvement can now be achieved using larger arrays and antennas in the Southern Hemisphere2,3. 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 lproj∼125 h-;1 parsecs from the core. Superluminal motion exists out to at least lproj≈46h-1 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.

Place, publisher, year, edition, pages
London: Nature Publishing Group, 1988. Vol. 334, no 6181, 410-412 p.
National Category
Astronomy, Astrophysics and Cosmology
Identifiers
URN: urn:nbn:se:hh:diva-22807DOI: 10.1038/334410a0ISI: A1988P529200049Scopus ID: 2-s2.0-0003180020OAI: oai:DiVA.org:hh-22807DiVA: diva2:629857
Available from: 2013-06-17 Created: 2013-06-17 Last updated: 2015-08-18Bibliographically approved

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