The compact spiral-like radio structure of the quasar 3 C 119

Details The compact spiral-like radio structure of the quasar 3 C 119 The compact spiral-like radio structure of the quasar 3 C 119

May 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991a%26a...245..449n&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 245, no. 2, May 1991, p. 449-453. Research supported by NNSFC and University o

Astronomy and Astrophysics

Astronomy

21

Quasars, Radio Sources (Astronomy), Centimeter Waves, Spirals, Very Long Base Interferometry

Scientific paper

The compact steep spectrum radio source, 3C 119, has been mapped at 18 cm with a resolution of 5 mas using a 10-station global VLBI network combined with MERLIN. The resulting high dynamic range image reveals a complex spiral-like structure in which a number of components are embedded. The overall physical extent of the source is about 300 pc. These new observations demonstrate that the structure is even more complex than had been derived earlier by Fanti et al. (1986). The physical conditions in the source are reevaluated, and the radio structure is briefly discussed in terms of three models: nonrelativistic and relativistic precessing jets, and a jet deflected by the walls of a cavity in the interstellar medium.

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