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Fig. 1.

image

VϕVZ diagram for stars with [Fe/H] > −1.4 in Nissen & Schuster (2010). Vϕ is the Galactic rotational velocity component, Vϕ = VLSR + 232.8 km s−1, and VZ is the component perpendicular to the Galactic plane, VZ = WLSR. Stars from Nissen & Schuster (2010) belonging to the high-α sequence are shown with blue circles and those on the low-α sequence with filled red circles. G 112-43/44 is indicated with a black square. The three α-poor halo stars discussed in Sect. 4 are shown with asterisks. The green boxes indicate the location of the Helmi streams according to Koppelman et al. (2019b).

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