The large- and small-scale structures of 3C 293

Details The large- and small-scale structures of 3C 293 The large- and small-scale structures of 3C 293

Sep 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981aj.....86.1294b&link_type=abstract

Astronomical Journal, vol. 86, Sept. 1981, p. 1294-1305. Research supported by the Natural Sciences and Engineering Research Co

Astronomy and Astrophysics

Astronomy

69

Galactic Radiation, Galactic Structure, Radio Galaxies, Antenna Arrays, Astronomical Maps, Fine Structure, Very Large Array (Vla)

Scientific paper

A Very Large Array (VLA) 1.465-GHz map of the radio galaxy 3C 293 shows that the source, which is unusual in that it is dominated by a steep-spectrum extended core, has a two-sided Z-shaped structure whose physical association with the galaxy VV 5-33-12 is now clear. The core is resolved by the Multi-Element Radio Linked Interferometer Network (MERLIN) at 1.666-GHz, and the VLA at 15.035 GHz, into an inner, two-sided structure within 1 kpc of the center of VV 5-33-12, and curved bridges of emission linking this structure to the large-scale emission. The major axis of the core lies 35 deg from the major axes of the emission bridges that make up the bar of the large-scale Z structure, and 60 deg from the minor axis of VV 5-33-12. Precessional and buoyant-refraction models for these misalignments are discussed.

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