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The stellar populations of the M31 halo substructure

Abstract:

We present the first results from our survey of stellar substructure in the outskirts of M31 using the Advanced Camera for Surveys on board the Hubble Space Telescope. We discuss the stellar populations associated with five prominent stellar overdensities discovered during the course of our panoramic ground-based imaging survey with the Isaac Newton Telescope Wide-Field Camera; a sixth pointing targets a region of "clean" halo. The color-magnitude diagrams, which contain between ≈10,000 and 9...

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Publication status:
Published

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Publisher copy:
10.1086/429371

Authors


Ferguson, AMN More by this author
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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Astrophysics
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Publisher:
Institute of Physics Publishing
Journal:
ASTROPHYSICAL JOURNAL
Volume:
622
Issue:
2
Pages:
L109-L112
Publication date:
2005-04-01
DOI:
EISSN:
1538-4357
ISSN:
0004-637X
URN:
uuid:e0fd5380-1450-4489-a964-5db981b87f11
Source identifiers:
25224
Local pid:
pubs:25224

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