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Age Effects in Giant Extragalactic HII Regions
Published online by Cambridge University Press: 12 April 2016
Extract
Spatial inhomogeneities for a sample of Giant Extragalactic HII Regions (GEHR) have been analyzed. The results indicate that, whitin the observational errors, the O/H and He/H abundance ratios are constant for a given GEHR. The Ne/O ratio on the other hand shows a trend with the evolution of the ionizing stellar clusters.
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- V. The Extragalactic ISM
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- Copyright © Springer-Verlag 1989