Possible superluminal motion between two stationary components in the high-redshift quasar 1338+381

Details Possible superluminal motion between two stationary components in the high-redshift quasar 1338+381 Possible superluminal motion between two stationary components in the high-redshift quasar 1338+381

Jul 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998a%26a...335..145b&link_type=abstract

Astronomy and Astrophysics, v.335, p.145-151 (1998)

Astronomy and Astrophysics

Astrophysics

4

Galaxies: Jets, Cosmology: Observations, Galaxies: Distances And Redshifts, Quasars: Individual: 1338+381

Scientific paper

VLBI maps of the high-redshift quasar 1338+381 (z=3.1) have been made at five epochs between September 1992 and May 1994. They reveal structure with two well defined components separated by 3.6 milliarcseconds and suggest at one epoch a third weaker component in between. We have significant evidence that the two main components are stationary over the 1.7 year period of observations and might result from a bent jet structure, as in 4C 39.25. We propose a scenario in which the weaker third component moves between the two stationnary components at the high apparent velocity of 27+/-17 h(-1) c. We discuss briefly the location of this new compact F double sou rce in the mu - z diagram.

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