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Rapidly rotating second-generation progenitors for the 'blue hook' stars of ? Centauri

Tailo, Marco; D'Antona, Francesca; Vesperini, Enrico; Di Criscienzo, M; Ventura, P; Milone, Antonino; Bellini, A; Dotter, Aaron; Decressin, Thibaut; D'Ercole, A; Caloi, V; Capuzzo-Dolcetta, Roberto

Description

Horizontal branch stars belong to an advanced stage in the evolution of the oldest stellar galactic population, occurring either as field halo stars or grouped in globular clusters. The discovery of multiple populations in clusters that were previously believed to have single populations gave rise to the currently accepted theory that the hottest horizontal branch members (the 'blue hook' stars, which had late helium-core flash ignition, followed by deep mixing) are the progeny of a helium-rich...[Show more]

CollectionsANU Research Publications
Date published: 2015
Type: Journal article
URI: http://hdl.handle.net/1885/98483
Source: Nature
DOI: 10.1038/nature14516

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