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PAndAS in the mist: The stellar and gaseous mass within the halos of M31 and M33

Lewis, Geraint Francis; Braun, R; McConnachie, Alan W; Irwin, M. J.; Ibata, Rodrigo A; Chapman, S; Chapman, S. C.; Ferguson, A. M. N.; Martin, Nicolas F; Fardal, Mark; Dubinski, John; Widrow, L. M.; Mackey, Alasdair; Babul, Arif; Tanvir, Nial R; Richards, M


Large-scale surveys of the prominent members of the Local Group have provided compelling evidence for the hierarchical formation of massive galaxies, revealing a wealth of substructure that is thought to be the debris from ancient and ongoing accretion events. In this paper, we compare two extant surveys of the M31-M33 subgroup of galaxies: the Pan-Andromeda Archaeological Survey of the stellar structure, and a combination of observations of the H I gaseous content, detected at 21 cm. Our key...[Show more]

CollectionsANU Research Publications
Date published: 2013
Type: Journal article
Source: Astrophysical Journal, The
DOI: 10.1088/0004-637X/763/1/4
Access Rights: Open Access


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