The large-scale radio structure of 3C 120

Details The large-scale radio structure of 3C 120 The large-scale radio structure of 3C 120

Mar 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982apj...254..483b&link_type=abstract

Astrophysical Journal, Part 1, vol. 254, Mar. 15, 1982, p. 483-488. Research supported by the University of Washington.

Astronomy and Astrophysics

Astrophysics

20

Galactic Structure, Radio Galaxies, Interferometry, Luminosity, Relativistic Electron Beams, Video Equipment

Scientific paper

VLA maps and video camera images of 3C 120 are discussed. The radio structure at 6 and 20 cm extends approximately 25-30 arcsec (approximately 18 kpc) west of the nucleus and curves from a position angle of -96 deg near the nucleus to -63 deg at its end. The extended structure, which possesses a much steeper spectral index (alpha, approximately -0.6) than the nucleus (alpha, approximately 0) is seen as a large-scale extension of the milli-arcsecond structure observed with VLBI techniques. It is noted that, in many respects, 3C 120 is a low-luminosity member of the 'D2' class of radio sources. No general correspondence between the radio structure and the observed stellar and gaseous structures is found.

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