Astronomy and Astrophysics – Astronomy
Scientific paper
Apr 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982aj.....87..602w&link_type=abstract
Astronomical Journal, vol. 87, Apr. 1982, p. 602-615. Research supported by the Rijksuniversiteit te Groningen, Nordisk Institut
Astronomy and Astrophysics
Astronomy
66
Astronomical Catalogs, Elliptical Galaxies, Radio Galaxies, Radio Jets (Astronomy), Circular Orbits, Eccentric Orbits, Galactic Clusters, Galactic Structure, Gravitational Effects, Interstellar Magnetic Fields, Red Shift, Tides
Scientific paper
It is suggested that a subclass of inversion-symmetric distorted extended radio sources (Z-shapes) have shapes produced by effects on large scales compared with the central engine. The subclass is defined by those sources whose underlying galaxies have a dumbbell or multiple nuclei optical morphology. New optical observations are presented which indicate that in one well-studied Z-shape source, NGC 326, there are two galaxies passing at a projected distance of about 10 kpc and that the gravitational coupling of the nonradio galaxy on the radio galaxy's atmosphere may be the mechanism which has realigned the jet direction. If the proposed interpretation is correct, some large-scale jet properties of double radio sources reveal more about properties of the gas distribution in galaxies and less about the central engine than heretofore supposed.
Gallagher Jay S.
Smarr Larry
Wirth Achim
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