95 citations · 95 across the 3 of their papers we have counts for
4 papers
The Nature and Origin of Substructure in the Outskirts of M31. I. Surveying the Stellar Content with HST/ACS
J. C. Richardson, A. M. N. Ferguson, R. A. Johnson +6
We present the largest and most detailed survey to date of the stellar populations in the outskirts of M31 based on the analysis of 14 deep HST/ACS pointings spanning the range 11.…
Metallicity and mean age across M33
M. -R. L. Cioni, M. Irwin, A. M. N. Ferguson +6
New wide-field near-infrared (NIR) imaging observations of M33 were obtained from UKIRT. These show a large population of intermediate-age stars considerably improving on previous…
Inside the whale: the structure and dynamics of the isolated Cetus dwarf spheroidal
G. F. Lewis, R. A. Ibata, S. C. Chapman +4
This paper presents a study of the Cetus dwarf, an isolated dwarf galaxy within the Local Group. A matched-filter analysis of the INT/WFC imaging of this system reveals no evidence…
A Keck/Deimos Survey of Red Giant Branch Stars in the Outskirts of M31
Annette Ferguson, Scott Chapman, Rodrigo Ibata +3
We are using the DEIMOS multi-object spectrograph on the Keck II 10m telescope to conduct a spectroscopic survey of red giant branch stars in the outskirts of M31. To date, velocit…