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Fig. 2
Velocities of stars in the TGAS cross-matched to the RAVE sample described in Sects. 2.1 and 2.2, selected according to the RAVE metallicity [M/H] ≤ −1.5 dex. The subset of stars classified as belonging to the halo according to a two-component Gaussian kinematic model, are plotted with open circles.
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