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Changing physical conditions in star-forming galaxies between redshifts 0 < Z < 4: [O iii]/H beta evolution

Cullen, F.; Cirasuolo, M.; Kewley, Lisa; McLure, R. J.; Dunlop, J. S.; Bowler, R. A. A.


We investigate the redshift evolution of the [O III]/H Β nebular emission line ratio for a sample of galaxies spanning the redshift range 0 < z < 4. We compare the observed evolution to a set of theoretical models which account for the independent evolution of chemical abundance, ionization parameter and interstellar medium (ISM) pressure in star-forming galaxies with redshift. Accounting for selection effects in the combined data sets, we show that the evolution to higher [O III]/H Β ratios...[Show more]

CollectionsANU Research Publications
Date published: 2016
Type: Journal article
Source: Monthly Notices of the Royal Astronomical Society
DOI: 10.1093/mnras/stw1181
Access Rights: Open Access


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