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Probing the physics of narrow-line regions of Seyfert galaxies: I. the case of NGC 5427

Dopita, Michael; Scharwachter, Julia; Shastri, Prajval; Kewley, Lisa; Davies, Rebecca; Sutherland, Ralph; Kharb, Preeti; Jose, Jessy; Hampton, Elise; Jin, Chichuan; Banfield, Julie; Basurah, Hassan; Fischer, Sebastian


Context. The spectra of the extended narrow-line regions (ENLRs) of Seyfert 2 galaxies probe the physics of the central active galaxy nucleus (AGN), since they encode the energy distribution of the ionising photons, the radiative flux and radiation pressure, nuclear chemical abundances and the mechanical energy input of the (unseen) central AGN. Aims. We aim to constrain the chemical abundance in the interstellar medium of the ENLR by measuring the abundance gradient in the circum-nuclear H II...[Show more]

CollectionsANU Research Publications
Date published: 2014
Type: Journal article
Source: Astronomy and Astrophysics
DOI: 10.1051/0004-6361/201423467


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