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Quantifying the effects of spatial resolution and noise on galaxy metallicity gradients

Acharyya, Ayan; Krumholz, Mark; Federrath, Christoph; Kewley, Lisa; Goldbaum, Nathan J.; Sharp, Rob


Metallicity gradients arc important diagnostics of galaxy evolution, because they record the history of events such as mergers, gas inflow, and star formation. However, the accuracy with which gradients can be measured is limited by spatial resolution and noise, and hence, measurements need to be corrected for such effects. We use high-resolution (similar to 20 pc) simulation of a face-on Milky Way mass galaxy, coupled with photoionization models, to produce a suite of synthetic high-resolution...[Show more]

CollectionsANU Research Publications
Date published: 2020-04-27
Type: Journal article
Source: Monthly Notices of the Royal Astronomical Society
DOI: 10.1093/mnras/staa1100
Access Rights: Open Access


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