Statistics
Publications
22
Citations
1K
H-Index
19
Active since
1995
R. A. Johnson is an author at University of Cambridge specializing in astronomy, physics, and natural sciences.
Publications per year
1995–2012
22
22
The Stellar Populations of the M31 Halo Substructure
A. M. N. Ferguson, R. A. Johnson, Daniel Faria et al. · The Astrophysical Journal · 2005 · 97 citations · Full text
Natural Sciences, Astronomy, Physics +16
Jenna Richardson, A. M. N. Ferguson, R. A. Johnson et al. · The Astronomical Journal · 2008 · 95 citations · Full text
Natural Sciences, Astronomy, Physics +16
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