Very extended ionized gas in radio galaxies. IV - PKS 2152-69

Details Very extended ionized gas in radio galaxies. IV - PKS 2152-69 Very extended ionized gas in radio galaxies. IV - PKS 2152-69

Nov 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988mnras.235..403t&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 235, Nov. 15, 1988, p. 403-423.

Astronomy and Astrophysics

Astrophysics

44

Elliptical Galaxies, Ionized Gases, Radio Galaxies, Active Galactic Nuclei, Astronomical Spectroscopy, Charge Coupled Devices, Cooling Flows (Astrophysics), Emission Spectra

Scientific paper

Optical, radio, and UV observations of PKS 2152-69 reveal a system of low-ionization filaments extending out to a maximum radius of 20 arcsec and, to the north-east, a luminous cloud at a distance of 10 arcsec from the nucleus. In addition to emission lines of extremely high ionization, the cloud has a continuum that is considerably bluer than that of the underlying stellar population. The radial ionization gradient noted suggests that the nucleus provides the ionizing energy for the cloud, and the tangential ionization gradient suggests that this energy is directed toward it in an intense radiation or plasma beam.

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