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A New Model of NGC 6210 to Solve its Abundance Discrepancy Problem
Published online by Cambridge University Press: 08 August 2017
Abstract
We present a model that solves the abundance discrepancy problem for NGC 6210. The model proposes a high abundance of CNONe elements that lowers the temperature of the central parts of the nebula. The colder gas model reproduces the observed intensity of the strong [N ii] and [O iii] emission lines, and increases the predicted weak recombination lines towards their observed values. We examine how the usual nebular diagnostic line ratios depend on model abundances.
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- Copyright © International Astronomical Union 2017