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Separating line emission from star formation, shocks, and AGN ionization in NGC 1068

D'Agostino, Joshua; Kewley, Lisa; Groves, Brent A.; Medling, Anne; DI TEODORO, ENRICO MARIA; Dopita, Michael; Thomas, Adam; Sutherland, Ralph; Garcia-Burillo, Santiago


In the optical spectra of galaxies, the separation of line emission from gas ionized by star formation and an active galactic nucleus (AGN), or by star formation and shocks, are very well-understood problems. However, separating line emission between AGN and shocks has proven difficult. With the aid of a new three-dimensional diagnostic diagram, we show the simultaneous separation of line emission from star formation, shocks, and AGN in NGC 1068, and quantify the ratio of star formation,...[Show more]

CollectionsANU Research Publications
Date published: 2019-06-10
Type: Journal article
Source: Monthly Notices of the Royal Astronomical Society
DOI: 10.1093/mnras/stz1611
Access Rights: Open Access


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