Astronomy and Astrophysics – Astronomy
Scientific paper
Mar 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998aj....115..895l&link_type=abstract
The Astronomical Journal, Volume 115, Issue 3, pp. 895-908.
Astronomy and Astrophysics
Astronomy
7
Galaxies: Active, Galaxies: Clusters: General, Galaxies: Jets, Quasars: Individual: 3C 205
Scientific paper
Total intensity and linear polarization Very Long Baseline Array (VLBA) images of the high-redshift quasar 3C 205 at a wavelength of 18 cm reveal a complex curved hot-spot structure with polarization percentages frequently as high as 70%. A one-sided jet is detected emerging from the central component of the radio source. The VLBA images, in conjunction with images from connected-element instruments, are interpreted within the context of a ``bent jet'' model of the hot spot, in which the flow is assumed to be continuous around the observed bend. The data can be understood in terms of a collision between the incoming jet and a dense gaseous obstacle, most probably a galaxy belonging to the cluster of which 3C 205 is a part, and it is postulated that these bending phenomena occur frequently at high redshift.
Barthel Peter D.
Lonsdale Colin J.
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