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The Arcturus Moving Group: Its Place in the Galaxy
Mary E. K. Williams, Ken C. Freeman, Amina Helmi +1
The Arcturus moving group is a well-populated example of phase space substructure within the thick disk of our Galaxy. Traditionally regarded as the remains of a dissolved open clu…
Fashionably Late? Building up the Milky Way's Inner Halo
H. L. Morrison, A. Helmi, J. Sun +9
Using a sample of 248 metal-poor stars (RR Lyraes, red giants and RHB stars) which is remarkable for the accuracy of its 6-D kinematical data, we find a new component for the local…
Signatures of star streams in the phase space distribution of nearby halo stars
C. Dettbarn, B. Fuchs, C. Flynn +1
We have analyzed the phase space distribution of a sample of about 900 non--kinematically selected low metallicity stars in the solar vicinity. The stars primarily represent the th…