Shock ionization of line-emitting gas in the radio galaxy PKS 0349-27

Details Shock ionization of line-emitting gas in the radio galaxy PKS 0349-27 Shock ionization of line-emitting gas in the radio galaxy PKS 0349-27

May 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002newar..46..197k&link_type=abstract

New Astronomy Reviews, Volume 46, Issue 2-7, p. 197-201.

Astronomy and Astrophysics

Astronomy

1

Scientific paper

The FR II radio galaxy PKS 0349-27 contains a luminous emission-line nebula, extending over several tens of kpc around its host galaxy. We investigate the spatial distribution of the kinematics, line ratios and total emission-line flux of the gas by means of a detailed series of long-slit spectra that cover its entire extent. We show that the physical properties of the line-emitting gas, in particular its ionization properties, excitation state, dynamics and energetics, suggest a scenario involving auto-ionizing shocks as the dominant ionization mechanism.

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