Astronomy and Astrophysics – Astrophysics
Scientific paper
Jan 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990apj...348..135w&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 348, Jan. 1, 1990, p. 135-140.
Astronomy and Astrophysics
Astrophysics
33
Blazars, Extragalactic Radio Sources, Galactic Nuclei, Galactic Structure, Polarized Radiation, Doppler Effect, Line Of Sight, Quasars, Radio Emission
Scientific paper
High dynamic range VLA imaging reveals, for the first time, that the blazar 3C 371 exhibits very low surface brightness twin radio lobes. These lobes straddle the dominant compact core and have a projected extent of about 42/h kpc. A weak component located in the western lobe shares the morphology, size, and inferred magnetic field configuration of radio source hot spots. A continuous wiggling jet connects this hot spot with the compact core. Double lobes, hot spots, and one-sided jets are traits of extended, edge-brightened radio sources. The discovery of corresponding components in 3C 371's extended emission suggests that this emission is an edge-brightened double, viewed at a large enough angle to the line of sight that the radio lobes do not overlap. A moderate viewing angle is consistent with 3C 371's low bolometric luminosity for a blazar. The diffuse radio halo that surrounds the twin lobes may be related to the fat bridges or bridge distortions shown by edge-brightened doubles with similar radio powers.
Lind Kevin R.
Wrobel Joan M.
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