The correlated radio and optical asymmetries of powerful radio galaxies

Details The correlated radio and optical asymmetries of powerful radio galaxies The correlated radio and optical asymmetries of powerful radio galaxies

Dec 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991mnras.253..669l&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 253, Dec. 15, 1991, p. 669-674. Research supported by M

Astronomy and Astrophysics

Astronomy

42

Galactic Structure, Optical Depolarization, Radio Galaxies, Broken Symmetry, Emission Spectra, Radio Spectra, Spectral Resolution

Scientific paper

Radio continuum and polarization maps are presented of four 'classical double' radio galaxies overlaid on optical emission-line images. The sources (3C 247, 263.1, 280 and 299) are all small, powerful, and distant. In three cases, the emission-line gas lies on that side of the radio source for which the depolarization is stronger, the hotspot closer to the core, and the radio spectrum steeper. The origin of these features are discussed, and a nonsymmetrical distribution of gas around the host galaxy could account for the observed asymmetries.

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