Detached nuclear-like activity in the radio galaxy PKS 2152 69

Details Detached nuclear-like activity in the radio galaxy PKS 2152 69 Detached nuclear-like activity in the radio galaxy PKS 2152 69

Feb 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987natur.325..504t&link_type=abstract

Nature (ISSN 0028-0836), vol. 325, Feb. 5, 1987, p. 504-507.

Astronomy and Astrophysics

Astronomy

36

Astronomical Spectroscopy, Galactic Nuclei, Interstellar Gas, Radio Galaxies, Astronomical Maps, Clouds, Emission Spectra, Energy Transfer, Line Spectra

Scientific paper

This letter reports the discovery of a bright cloud of gas at a projected distance of 8 kpc from the nucleus and approximately along the radio axis of the radio galaxy PKS 2152-69. It is shown to radiate a nebular spectrum including lines from the highly ionized species He+, Ca4+, Fe6+ and Fe9+. A compact source of optical continuum radiation within the cloud has an energy distribution which is considerably bluer than the residual light from the underlying galaxy.

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