Left panel: W component of velocity as a function of [α/Fe] for the stars in the sample (open red circles represent stars on the thin disk sequence; solid red circles represent stars on the thick disk sequence). The two thin and thick black curves are running dispersions for the W component of the velocity of the thin and thick disk sequence stars, calculated as a function of [α/Fe] (over 50 stars). Right panel: W component of velocity as a function of age. Open blue circles represent thin disk stars and solid blue circles represent thick disk stars as defined in Fig. 5. The curve is a running dispersion calculated on 50 stars.
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