Abundance scaling in stars, nebulae and galaxies
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Nicholls, David; Sutherland, Ralph
; Dopita, Michael
; Kewley, Lisa
; Groves, Brent Allan
Description
We present a new basis for scaling abundances with totalmetallicity in nebular photoionizationmodels, based on extensive Milky Way stellar abundance data, to replace the uniform scalingnormally used in the analysis of HII regions. Our goal is to provide a single scalingmethod andlocal abundance reference standard for use in nebular modelling and its key inputs, the stellaratmosphere and evolutionary track models. We introduce a parametric enrichment factor, ζ, to describe how atomic abundances...[Show more]
Collections | ANU Research Publications |
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Date published: | 2017 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/231430 |
Source: | Monthly Notices of the Royal Astronomical Society |
DOI: | 10.1093/mnras/stw3235 |
Access Rights: | Open Access |
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01_Nicholls+_Abundance_scaling_in_stars%2C_2017.pdf | 2.5 MB | Adobe PDF | ![]() |
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