The quasar 3C351 - VLA maps and a deep search for optical emission in the outer lobes

Details The quasar 3C351 - VLA maps and a deep search for optical emission in the outer lobes The quasar 3C351 - VLA maps and a deep search for optical emission in the outer lobes

Aug 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980aj.....85..973k&link_type=abstract

Astronomical Journal, vol. 85, Aug. 1980, p. 973-980. Research supported by the Natural Sciences and Engineering Research Counci

Astronomy and Astrophysics

Astronomy

10

Astronomical Maps, Light Emission, Quasars, Radio Astronomy, Electron Acceleration, Intergalactic Media, Visual Observation

Scientific paper

VLA radio maps of the quasar 3C35 1 (z = 0.371) at ∼2" and 0."4 resolution (a) show interaction with a relatively dense intergalactic medium, (b) show that there is electron acceleration within at least one of the radio lobes, and (c) imply that the intergalactic gas density is different on one side of the source than on the other. Striking similarities are found between the northern radio lobe of 3C351 and one of the outer hotspots of Cygnus A, and possibly other similar systems, in that the outer, on-axis hotspot is resolved and cusp-shaped, and the "secondary" off-axis hotspot is more compact. A search for optical emission in the outer lobes shows no emission stronger than 22m in the J band and ∼21m in the F band. There is also no evidence at these limits for a cluster of galaxies near the radio source, as is suggested by our conclusion that it is interacting with a medium of typical intracluster density.

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