3C380 - A powerful radio source seen end-on?

Details 3C380 - A powerful radio source seen end-on? 3C380 - A powerful radio source seen end-on?

Jan 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991mnras.248...86w&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 248, Jan. 1, 1991, p. 86-90.

Astronomy and Astrophysics

Astronomy

32

Galactic Structure, Quasars, Radio Sources (Astronomy), Radio Spectra, Depolarization, Very Large Array (Vla), Very Long Base Interferometry

Scientific paper

New VLA, MERLIN, and VLBI observations are presented for 3C380, a powerful compact steep-spectrum radio source with complex extended structure, in an effort to clarify whether it is a larger source seen end-on or whether it is intrinsically of galactic dimensions and distorted. The extended structure, which could be a pair of overlapping lobes, exhibits a strong depolarization asymmetry of the kind found in powerful double sources, while the core exhibits superluminal motion with v(app) of about 8 c. Therefore 3C380 has features to be expected of a Fanaroff-Riley class II source seen approximately end-on. However, a detailed consideration of the new evidence shows that the source is intrinsically small with an overall extent of 60 kpc or less. This small size, together with several unusual features of the structure, suggests that it may be interacting strongly with the surrounding gas.

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