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The SAMI galaxy survey: Spatially resolved metallicity and ionization mapping

Poetrodjojo, Henry; Groves, Brent Allan; Kewley, Lisa; Medling, Anne; Sweet, Sarah; van de Sande, J.; Sanchez, Sebastian F.; Bland-Hawthorn, Joss; Brough, Sarah; Bryant, J.; Cortese, L.; Croom, S.; Lopez-Sanchez, A. R.; Richards, Samuel N.; Lawrence, J.; Lawrence, J. S.; Lorente, N. P. F.; Scott, Nicholas


We present gas-phasemetallicity and ionization parameter maps of 25 star-forming face-on spiral galaxies from the SAMI Galaxy Survey Data Release 1. Self-consistent metallicity and ionization parameter maps are calculated simultaneously through an iterative process to account for the interdependence of the strong emission line diagnostics involving ([O II]+[O III])/Hβ (R23) and [O III]/[O II](O32). The maps are created on a spaxel-by-spaxel basis because HII regions are not resolved at the SAMI...[Show more]

CollectionsANU Research Publications
Date published: 2018-07-05
Type: Journal article
Source: Monthly Notices of the Royal Astronomical Society
DOI: 10.1093/mnras/sty1782
Access Rights: Open Access


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