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The outer disk stellar populations in M31

Published online by Cambridge University Press:  01 December 2006

R. A. Johnson ,
D. Faria ,
A. M. N. Ferguson  and
J. C. Richardson
R. A. Johnson
Affiliation:
Astrophysics, Denys Wilkinson Building, Keble Road, Oxford OX1 3RH, UK email: [email protected]
D. Faria
Affiliation:
Institute of Astronomy, Madingley Road, Cambridge, UK
A. M. N. Ferguson
Affiliation:
Institute for Astronomy, ROE, Blackford Hill, Edinburgh, UK
J. C. Richardson
Affiliation:
Institute for Astronomy, ROE, Blackford Hill, Edinburgh, UK
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Abstract

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The outer regions of M31 contain significant substructure. Here we investigate the origins of the substructure in three fields close to the major axis of M31 using colour-magnitude diagrams produced from HST-ACS.

Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2 , Symposium S241: Stellar Populations as Building Blocks of Galaxies , December 2006 , pp. 349 - 350
Copyright
Copyright © International Astronomical Union 2007

References

Faria, D., Johnson, R.A., Ferguson, A.M.N., Irwin, M.J., Ibata, R.A., Johnston, K.V., Lewis, G.F., & Tanvir, N.R. 2007, AJ acceptedGoogle Scholar
Ferguson, A.M.N., Irwin, M.J., Ibata, R.A., Lewis, G.F., & Tanvir, N.R. 2002, AJ 124, 1452CrossRefGoogle Scholar
Ferguson, A.M.N., Johnson, R.A., Faria, D.C., Irwin, M.J., Ibata, R.A., Johnston, K.V., Lewis, G.F., & Tanvir, N.R. 2005, ApJL 622, 109CrossRefGoogle Scholar