ORIGINS OF THE THICK DISK AS TRACED BY THE ALPHA ELEMENTS OF METAL-POOR GIANT STARS SELECTED FROM RAVE (ASTROPHYSICAL JOURNAL LETTERS, 2010)

(untitled) - Ruchti, G; Fulbright, J; Wyse, R; Gilmore, G; Bienayme, O; Binney, J; Bland-Hawthorn, J; Campbell, R; Freeman, K; Gibson, B; Grebel, E; Helmi, A; et al.