Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002evn..conf...89f&link_type=abstract
6th European VLBI Network Symposium on New Developments in VLBI Science and Technology, held in Bonn, June 25th-28th 2002, proce
Astronomy and Astrophysics
Astronomy
4
Scientific paper
Sub-milliarcsecond resolution images of the extremely distant quasar 1351 - 018 (z = 3.707) were made using the VLBI Space Observatory Programme (VSOP) at two epochs. The high angular resolution of VSOP at 5 GHz allowed us to identify a jet component within 1 mas from the quasar radio core. The inner jet position angle is misaligned by 130° with respect to the 10-mas scale jet. The position of the innermost jet component has changed significantly over a period of less than 3 years, implying a proper motion of 0.18 mas/year which corresponds to an apparently superluminal speed. We present our imaging results and discuss the potential importance of the detection of superluminal motion in high redshift quasars.
Frey Sabine
Gabanyi K.
Gurvits Leonid I.
Kawaguchi Noriyuki
Lobanov Andrei P.
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