A radio and optical study of the radio galaxy PKS 0511-48

Details A radio and optical study of the radio galaxy PKS 0511-48 A radio and optical study of the radio galaxy PKS 0511-48

Feb 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985mnras.212..809s&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 212, Feb. 15, 1985, p. 809-816.

Astronomy and Astrophysics

Astronomy

5

Astronomical Spectroscopy, Radio Astronomy, Radio Galaxies, Visible Spectrum, Emission Spectra, Galactic Nuclei, Interstellar Gas

Scientific paper

The radio galaxy PSK 0511-48 has been mapped with the Fleurs Synthesis Telescope at 1415 MHz and the Molonglo Observatory Synthesis Telescope at 843 MHz. The source is resolved into at least three unrelated components. A central double source is apparently associated with a tidally disrupted galaxy with a long, bright, curved filament. Spectroscopic observations show this galaxy to have an emission-line spectrum typical of high-ionization narrow-line radio galaxies. This emission is extended over at least 100 kpc along the filament and rotates at up to 250 km/s with respect to the parent galaxy. The morphology and velocity structure of the arm are consistent with a tidal origin for such a feature.

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