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The Origin of the Double Main Sequence in ω Centauri: Helium Enrichment Due to Gas Fueling from its Ancient Host Galaxy?

Bekki, Kenji; Norris, John

Description

Recent observational studies of ω Centauri by the Hubble Space Telescope have discovered a double main sequence in the color-magnitude diagrams (CMDs) of its stellar populations. These observations suggest that the stellar population with the blue main s

CollectionsANU Research Publications
Date published: 2006
Type: Journal article
URI: http://hdl.handle.net/1885/26215
Source: Astrophysical Journal, The
DOI: 10.1086/500413

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