PKS 0400 - 181: - A classical radio double from a spiral galaxy?

Details PKS 0400 - 181: - A classical radio double from a spiral galaxy? PKS 0400 - 181: - A classical radio double from a spiral galaxy?

Nov 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983mnras.205..819s&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 205, Nov. 1983, p. 819-827.

Astronomy and Astrophysics

Astronomy

6

Galactic Structure, Radio Sources (Astronomy), Spiral Galaxies, Astronomical Maps, Astronomical Photography, Infrared Spectrometers, Line Spectra

Scientific paper

The radio source PKS 0400-181 has a classical edge-brightened double-lobe structure, similar to that of Cygnus A. No radio core has been detected, but the radio centroid is located just 2.8 arcsec from the centre of a 16th mag spiral galaxy. CCD observations reveal the presence of a very red and slightly extended (2.5×1.3 arcsec2) object superimposed on the image of the spiral and 1.5 arcsec from the radio centroid. The properties of this red object and of the radio source are consistent with a powerful radio galaxy at a redshift of ≈0.5; the spiral galaxy is probably a foreground object located by chance along the line-of-sight.

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