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The structure of star clusters in the outer halo of M31

Tanvir, Nial R; Mackey, Alasdair; Ferguson, A. M. N.; Huxor, A; Reid, J I; Lewis, Geraint Francis; Irwin, M. J.; Chapman, S; Ibata, Rodrigo A; Wilkinson, Mark, I.; McConnachie, Alan W; Martin, N F; Davies, M B; Bridges, Terry C


We present a structural analysis of halo star clusters in M31 based on deep Hubble Space Telescope (HST) Advanced Camera for Surveys (ACS) imaging. The clusters in our sample span a range in galactocentric projected distance from 13 to 100kpc and thus reside in rather remote environments. Ten of the clusters are classical globulars, whilst four are from the Huxor et al. population of extended, old clusters. For most clusters, contamination by M31 halo stars is slight, and so the profiles can be...[Show more]

CollectionsANU Research Publications
Date published: 2012
Type: Journal article
Source: Monthly Notices of the Royal Astronomical Society
DOI: 10.1111/j.1365-2966.2012.20590.x


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